1 | /* $Id: IEMN8veRecompilerEmit.h 104402 2024-04-23 09:49:16Z vboxsync $ */
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2 | /** @file
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3 | * IEM - Interpreted Execution Manager - Native Recompiler Inlined Emitters.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2023 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.alldomusa.eu.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #ifndef VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
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29 | #define VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h
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30 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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31 | # pragma once
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32 | #endif
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33 |
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34 | #include "IEMN8veRecompiler.h"
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35 |
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36 |
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37 | /** @defgroup grp_iem_n8ve_re_inline Native Recompiler Inlined Emitters
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38 | * @ingroup grp_iem_n8ve_re
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39 | * @{
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40 | */
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41 |
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42 | /**
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43 | * Emit a simple marker instruction to more easily tell where something starts
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44 | * in the disassembly.
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45 | */
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46 | DECL_INLINE_THROW(uint32_t)
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47 | iemNativeEmitMarker(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
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48 | {
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49 | #ifdef RT_ARCH_AMD64
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50 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
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51 | if (uInfo == 0)
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52 | {
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53 | /* nop */
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54 | pbCodeBuf[off++] = 0x90;
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55 | }
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56 | else
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57 | {
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58 | /* nop [disp32] */
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59 | pbCodeBuf[off++] = 0x0f;
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60 | pbCodeBuf[off++] = 0x1f;
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61 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, 0, 5);
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62 | pbCodeBuf[off++] = RT_BYTE1(uInfo);
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63 | pbCodeBuf[off++] = RT_BYTE2(uInfo);
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64 | pbCodeBuf[off++] = RT_BYTE3(uInfo);
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65 | pbCodeBuf[off++] = RT_BYTE4(uInfo);
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66 | }
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67 | #elif defined(RT_ARCH_ARM64)
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68 | /* nop */
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69 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
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70 | if (uInfo == 0)
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71 | pu32CodeBuf[off++] = ARMV8_A64_INSTR_NOP;
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72 | else
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73 | pu32CodeBuf[off++] = Armv8A64MkInstrMovZ(ARMV8_A64_REG_XZR, (uint16_t)uInfo);
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74 |
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75 | RT_NOREF(uInfo);
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76 | #else
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77 | # error "port me"
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78 | #endif
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79 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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80 | return off;
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81 | }
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82 |
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83 |
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84 | /**
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85 | * Emit a breakpoint instruction.
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86 | */
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87 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitBrkEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t uInfo)
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88 | {
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89 | #ifdef RT_ARCH_AMD64
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90 | pCodeBuf[off++] = 0xcc;
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91 | RT_NOREF(uInfo); /** @todo use multibyte nop for info? */
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92 |
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93 | #elif defined(RT_ARCH_ARM64)
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94 | pCodeBuf[off++] = Armv8A64MkInstrBrk(uInfo & UINT32_C(0xffff));
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95 |
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96 | #else
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97 | # error "error"
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98 | #endif
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99 | return off;
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100 | }
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101 |
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102 |
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103 | /**
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104 | * Emit a breakpoint instruction.
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105 | */
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106 | DECL_INLINE_THROW(uint32_t) iemNativeEmitBrk(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uInfo)
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107 | {
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108 | #ifdef RT_ARCH_AMD64
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109 | off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
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110 | #elif defined(RT_ARCH_ARM64)
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111 | off = iemNativeEmitBrkEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, uInfo);
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112 | #else
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113 | # error "error"
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114 | #endif
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115 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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116 | return off;
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117 | }
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118 |
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119 |
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120 | /*********************************************************************************************************************************
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121 | * Loads, Stores and Related Stuff. *
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122 | *********************************************************************************************************************************/
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123 |
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124 | #ifdef RT_ARCH_AMD64
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125 | /**
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126 | * Common bit of iemNativeEmitLoadGprByGpr and friends.
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127 | */
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128 | DECL_FORCE_INLINE(uint32_t)
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129 | iemNativeEmitGprByGprDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, uint8_t iGprBase, int32_t offDisp)
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130 | {
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131 | if (offDisp == 0 && (iGprBase & 7) != X86_GREG_xBP) /* Can use encoding w/o displacement field. */
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132 | {
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133 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM0, iGprReg & 7, iGprBase & 7);
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134 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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135 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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136 | }
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137 | else if (offDisp == (int8_t)offDisp)
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138 | {
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139 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, iGprBase & 7);
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140 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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141 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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142 | pbCodeBuf[off++] = (uint8_t)offDisp;
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143 | }
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144 | else
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145 | {
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146 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, iGprBase & 7);
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147 | if ((iGprBase & 7) == X86_GREG_xSP) /* for RSP/R12 relative addressing we have to use a SIB byte. */
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148 | pbCodeBuf[off++] = X86_SIB_MAKE(X86_GREG_xSP, X86_GREG_xSP, 0); /* -> [RSP/R12] */
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149 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
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150 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
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151 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
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152 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
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153 | }
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154 | return off;
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155 | }
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156 | #endif /* RT_ARCH_AMD64 */
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157 |
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158 | /**
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159 | * Emits setting a GPR to zero.
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160 | */
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161 | DECL_INLINE_THROW(uint32_t)
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162 | iemNativeEmitGprZero(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
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163 | {
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164 | #ifdef RT_ARCH_AMD64
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165 | /* xor gpr32, gpr32 */
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166 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
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167 | if (iGpr >= 8)
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168 | pbCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
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169 | pbCodeBuf[off++] = 0x33;
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170 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
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171 |
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172 | #elif defined(RT_ARCH_ARM64)
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173 | /* mov gpr, #0x0 */
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174 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
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175 | pu32CodeBuf[off++] = UINT32_C(0xd2800000) | iGpr;
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176 |
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177 | #else
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178 | # error "port me"
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179 | #endif
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180 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
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181 | return off;
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182 | }
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183 |
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184 |
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185 | /**
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186 | * Variant of iemNativeEmitLoadGpr32Imm where the caller ensures sufficent
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187 | * buffer space.
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188 | *
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189 | * Max buffer consumption:
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190 | * - AMD64: 6 instruction bytes.
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191 | * - ARM64: 2 instruction words (8 bytes).
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192 | *
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193 | * @note The top 32 bits will be cleared.
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194 | */
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195 | DECL_FORCE_INLINE(uint32_t)
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196 | iemNativeEmitLoadGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t uImm32)
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197 | {
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198 | #ifdef RT_ARCH_AMD64
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199 | if (uImm32 == 0)
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200 | {
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201 | /* xor gpr, gpr */
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202 | if (iGpr >= 8)
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203 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
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204 | pCodeBuf[off++] = 0x33;
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205 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
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206 | }
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207 | else
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208 | {
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209 | /* mov gpr, imm32 */
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210 | if (iGpr >= 8)
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211 | pCodeBuf[off++] = X86_OP_REX_B;
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212 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
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213 | pCodeBuf[off++] = RT_BYTE1(uImm32);
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214 | pCodeBuf[off++] = RT_BYTE2(uImm32);
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215 | pCodeBuf[off++] = RT_BYTE3(uImm32);
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216 | pCodeBuf[off++] = RT_BYTE4(uImm32);
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217 | }
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218 |
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219 | #elif defined(RT_ARCH_ARM64)
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220 | if ((uImm32 >> 16) == 0)
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221 | /* movz gpr, imm16 */
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222 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32, 0, false /*f64Bit*/);
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223 | else if ((uImm32 & UINT32_C(0xffff)) == 0)
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224 | /* movz gpr, imm16, lsl #16 */
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225 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32 >> 16, 1, false /*f64Bit*/);
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226 | else if ((uImm32 & UINT32_C(0xffff)) == UINT32_C(0xffff))
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227 | /* movn gpr, imm16, lsl #16 */
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228 | pCodeBuf[off++] = Armv8A64MkInstrMovN(iGpr, ~uImm32 >> 16, 1, false /*f64Bit*/);
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229 | else if ((uImm32 >> 16) == UINT32_C(0xffff))
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230 | /* movn gpr, imm16 */
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231 | pCodeBuf[off++] = Armv8A64MkInstrMovN(iGpr, ~uImm32, 0, false /*f64Bit*/);
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232 | else
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233 | {
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234 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGpr, uImm32 & UINT32_C(0xffff), 0, false /*f64Bit*/);
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235 | pCodeBuf[off++] = Armv8A64MkInstrMovK(iGpr, uImm32 >> 16, 1, false /*f64Bit*/);
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236 | }
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237 |
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238 | #else
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239 | # error "port me"
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240 | #endif
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241 | return off;
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242 | }
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243 |
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244 |
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245 | /**
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246 | * Variant of iemNativeEmitLoadGprImm64 where the caller ensures sufficent
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247 | * buffer space.
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248 | *
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249 | * Max buffer consumption:
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250 | * - AMD64: 10 instruction bytes.
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251 | * - ARM64: 4 instruction words (16 bytes).
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252 | */
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253 | DECL_FORCE_INLINE(uint32_t)
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254 | iemNativeEmitLoadGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint64_t uImm64)
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255 | {
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256 | #ifdef RT_ARCH_AMD64
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257 | if (uImm64 == 0)
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258 | {
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259 | /* xor gpr, gpr */
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260 | if (iGpr >= 8)
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261 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
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262 | pCodeBuf[off++] = 0x33;
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263 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGpr & 7, iGpr & 7);
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264 | }
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265 | else if (uImm64 <= UINT32_MAX)
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266 | {
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267 | /* mov gpr, imm32 */
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268 | if (iGpr >= 8)
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269 | pCodeBuf[off++] = X86_OP_REX_B;
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270 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
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271 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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272 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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273 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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274 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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275 | }
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276 | else if (uImm64 == (uint64_t)(int32_t)uImm64)
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277 | {
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278 | /* mov gpr, sx(imm32) */
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279 | if (iGpr < 8)
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280 | pCodeBuf[off++] = X86_OP_REX_W;
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281 | else
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282 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
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283 | pCodeBuf[off++] = 0xc7;
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284 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGpr & 7);
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285 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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286 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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287 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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288 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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289 | }
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290 | else
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291 | {
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292 | /* mov gpr, imm64 */
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293 | if (iGpr < 8)
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294 | pCodeBuf[off++] = X86_OP_REX_W;
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295 | else
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296 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
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297 | pCodeBuf[off++] = 0xb8 + (iGpr & 7);
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298 | pCodeBuf[off++] = RT_BYTE1(uImm64);
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299 | pCodeBuf[off++] = RT_BYTE2(uImm64);
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300 | pCodeBuf[off++] = RT_BYTE3(uImm64);
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301 | pCodeBuf[off++] = RT_BYTE4(uImm64);
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302 | pCodeBuf[off++] = RT_BYTE5(uImm64);
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303 | pCodeBuf[off++] = RT_BYTE6(uImm64);
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304 | pCodeBuf[off++] = RT_BYTE7(uImm64);
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305 | pCodeBuf[off++] = RT_BYTE8(uImm64);
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306 | }
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307 |
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308 | #elif defined(RT_ARCH_ARM64)
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309 | /*
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310 | * Quick simplification: Do 32-bit load if top half is zero.
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311 | */
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312 | if (uImm64 <= UINT32_MAX)
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313 | return iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGpr, (uint32_t)uImm64);
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314 |
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315 | /*
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316 | * We need to start this sequence with a 'mov grp, imm16, lsl #x' and
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317 | * supply remaining bits using 'movk grp, imm16, lsl #x'.
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318 | *
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319 | * The mov instruction is encoded 0xd2800000 + shift + imm16 + grp,
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320 | * while the movk is 0xf2800000 + shift + imm16 + grp, meaning the diff
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321 | * is 0x20000000 (bit 29). So, we keep this bit in a variable and set it
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322 | * after the first non-zero immediate component so we switch to movk for
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323 | * the remainder.
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324 | */
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325 | unsigned cZeroHalfWords = !( uImm64 & UINT16_MAX)
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326 | + !((uImm64 >> 16) & UINT16_MAX)
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327 | + !((uImm64 >> 32) & UINT16_MAX)
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328 | + !((uImm64 >> 48) & UINT16_MAX);
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329 | unsigned cFfffHalfWords = cZeroHalfWords >= 2 ? 0 /* skip */
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330 | : ( (uImm64 & UINT16_MAX) == UINT16_MAX)
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331 | + (((uImm64 >> 16) & UINT16_MAX) == UINT16_MAX)
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332 | + (((uImm64 >> 32) & UINT16_MAX) == UINT16_MAX)
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333 | + (((uImm64 >> 48) & UINT16_MAX) == UINT16_MAX);
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334 | if (cFfffHalfWords <= cZeroHalfWords)
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335 | {
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336 | uint32_t fMovBase = UINT32_C(0xd2800000) | iGpr;
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337 |
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338 | /* movz gpr, imm16 */
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339 | uint32_t uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
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340 | if (uImmPart || cZeroHalfWords == 4)
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341 | {
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342 | pCodeBuf[off++] = fMovBase | (UINT32_C(0) << 21) | (uImmPart << 5);
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343 | fMovBase |= RT_BIT_32(29);
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344 | }
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345 | /* mov[z/k] gpr, imm16, lsl #16 */
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346 | uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
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347 | if (uImmPart)
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348 | {
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349 | pCodeBuf[off++] = fMovBase | (UINT32_C(1) << 21) | (uImmPart << 5);
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350 | fMovBase |= RT_BIT_32(29);
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351 | }
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352 | /* mov[z/k] gpr, imm16, lsl #32 */
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353 | uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
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354 | if (uImmPart)
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355 | {
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356 | pCodeBuf[off++] = fMovBase | (UINT32_C(2) << 21) | (uImmPart << 5);
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357 | fMovBase |= RT_BIT_32(29);
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358 | }
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359 | /* mov[z/k] gpr, imm16, lsl #48 */
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360 | uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
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361 | if (uImmPart)
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362 | pCodeBuf[off++] = fMovBase | (UINT32_C(3) << 21) | (uImmPart << 5);
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363 | }
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364 | else
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365 | {
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366 | uint32_t fMovBase = UINT32_C(0x92800000) | iGpr;
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367 |
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368 | /* find the first half-word that isn't UINT16_MAX. */
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369 | uint32_t const iHwNotFfff = (uImm64 & UINT16_MAX) != UINT16_MAX ? 0
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370 | : ((uImm64 >> 16) & UINT16_MAX) != UINT16_MAX ? 1
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371 | : ((uImm64 >> 32) & UINT16_MAX) != UINT16_MAX ? 2 : 3;
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372 |
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373 | /* movn gpr, imm16, lsl #iHwNotFfff*16 */
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374 | uint32_t uImmPart = (uint32_t)(~(uImm64 >> (iHwNotFfff * 16)) & UINT32_C(0xffff)) << 5;
|
---|
375 | pCodeBuf[off++] = fMovBase | (iHwNotFfff << 21) | uImmPart;
|
---|
376 | fMovBase |= RT_BIT_32(30) | RT_BIT_32(29); /* -> movk */
|
---|
377 | /* movk gpr, imm16 */
|
---|
378 | if (iHwNotFfff != 0)
|
---|
379 | {
|
---|
380 | uImmPart = (uint32_t)((uImm64 >> 0) & UINT32_C(0xffff));
|
---|
381 | if (uImmPart != UINT32_C(0xffff))
|
---|
382 | pCodeBuf[off++] = fMovBase | (UINT32_C(0) << 21) | (uImmPart << 5);
|
---|
383 | }
|
---|
384 | /* movk gpr, imm16, lsl #16 */
|
---|
385 | if (iHwNotFfff != 1)
|
---|
386 | {
|
---|
387 | uImmPart = (uint32_t)((uImm64 >> 16) & UINT32_C(0xffff));
|
---|
388 | if (uImmPart != UINT32_C(0xffff))
|
---|
389 | pCodeBuf[off++] = fMovBase | (UINT32_C(1) << 21) | (uImmPart << 5);
|
---|
390 | }
|
---|
391 | /* movk gpr, imm16, lsl #32 */
|
---|
392 | if (iHwNotFfff != 2)
|
---|
393 | {
|
---|
394 | uImmPart = (uint32_t)((uImm64 >> 32) & UINT32_C(0xffff));
|
---|
395 | if (uImmPart != UINT32_C(0xffff))
|
---|
396 | pCodeBuf[off++] = fMovBase | (UINT32_C(2) << 21) | (uImmPart << 5);
|
---|
397 | }
|
---|
398 | /* movk gpr, imm16, lsl #48 */
|
---|
399 | if (iHwNotFfff != 3)
|
---|
400 | {
|
---|
401 | uImmPart = (uint32_t)((uImm64 >> 48) & UINT32_C(0xffff));
|
---|
402 | if (uImmPart != UINT32_C(0xffff))
|
---|
403 | pCodeBuf[off++] = fMovBase | (UINT32_C(3) << 21) | (uImmPart << 5);
|
---|
404 | }
|
---|
405 | }
|
---|
406 |
|
---|
407 | #else
|
---|
408 | # error "port me"
|
---|
409 | #endif
|
---|
410 | return off;
|
---|
411 | }
|
---|
412 |
|
---|
413 |
|
---|
414 | /**
|
---|
415 | * Emits loading a constant into a 64-bit GPR
|
---|
416 | */
|
---|
417 | DECL_INLINE_THROW(uint32_t)
|
---|
418 | iemNativeEmitLoadGprImm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint64_t uImm64)
|
---|
419 | {
|
---|
420 | #ifdef RT_ARCH_AMD64
|
---|
421 | off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 10), off, iGpr, uImm64);
|
---|
422 | #elif defined(RT_ARCH_ARM64)
|
---|
423 | off = iemNativeEmitLoadGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGpr, uImm64);
|
---|
424 | #else
|
---|
425 | # error "port me"
|
---|
426 | #endif
|
---|
427 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
428 | return off;
|
---|
429 | }
|
---|
430 |
|
---|
431 |
|
---|
432 | /**
|
---|
433 | * Emits loading a constant into a 32-bit GPR.
|
---|
434 | * @note The top 32 bits will be cleared.
|
---|
435 | */
|
---|
436 | DECL_INLINE_THROW(uint32_t)
|
---|
437 | iemNativeEmitLoadGprImm32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t uImm32)
|
---|
438 | {
|
---|
439 | #ifdef RT_ARCH_AMD64
|
---|
440 | off = iemNativeEmitLoadGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, iGpr, uImm32);
|
---|
441 | #elif defined(RT_ARCH_ARM64)
|
---|
442 | off = iemNativeEmitLoadGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iGpr, uImm32);
|
---|
443 | #else
|
---|
444 | # error "port me"
|
---|
445 | #endif
|
---|
446 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
447 | return off;
|
---|
448 | }
|
---|
449 |
|
---|
450 |
|
---|
451 | /**
|
---|
452 | * Emits loading a constant into a 8-bit GPR
|
---|
453 | * @note The AMD64 version does *NOT* clear any bits in the 8..63 range,
|
---|
454 | * only the ARM64 version does that.
|
---|
455 | */
|
---|
456 | DECL_INLINE_THROW(uint32_t)
|
---|
457 | iemNativeEmitLoadGpr8Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint8_t uImm8)
|
---|
458 | {
|
---|
459 | #ifdef RT_ARCH_AMD64
|
---|
460 | /* mov gpr, imm8 */
|
---|
461 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
462 | if (iGpr >= 8)
|
---|
463 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
464 | else if (iGpr >= 4)
|
---|
465 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
466 | pbCodeBuf[off++] = 0xb0 + (iGpr & 7);
|
---|
467 | pbCodeBuf[off++] = RT_BYTE1(uImm8);
|
---|
468 |
|
---|
469 | #elif defined(RT_ARCH_ARM64)
|
---|
470 | /* movz gpr, imm16, lsl #0 */
|
---|
471 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
472 | pu32CodeBuf[off++] = UINT32_C(0xd2800000) | (UINT32_C(0) << 21) | ((uint32_t)uImm8 << 5) | iGpr;
|
---|
473 |
|
---|
474 | #else
|
---|
475 | # error "port me"
|
---|
476 | #endif
|
---|
477 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
478 | return off;
|
---|
479 | }
|
---|
480 |
|
---|
481 |
|
---|
482 | #ifdef RT_ARCH_AMD64
|
---|
483 | /**
|
---|
484 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
485 | */
|
---|
486 | DECL_FORCE_INLINE(uint32_t)
|
---|
487 | iemNativeEmitGprByVCpuDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, uint32_t offVCpu)
|
---|
488 | {
|
---|
489 | if (offVCpu < 128)
|
---|
490 | {
|
---|
491 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
492 | pbCodeBuf[off++] = (uint8_t)(int8_t)offVCpu;
|
---|
493 | }
|
---|
494 | else
|
---|
495 | {
|
---|
496 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
497 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offVCpu);
|
---|
498 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offVCpu);
|
---|
499 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offVCpu);
|
---|
500 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offVCpu);
|
---|
501 | }
|
---|
502 | return off;
|
---|
503 | }
|
---|
504 |
|
---|
505 | #elif defined(RT_ARCH_ARM64)
|
---|
506 |
|
---|
507 | /**
|
---|
508 | * Common bit of iemNativeEmitLoadGprFromVCpuU64Ex and friends.
|
---|
509 | *
|
---|
510 | * @note Loads can use @a iGprReg for large offsets, stores requires a temporary
|
---|
511 | * registers (@a iGprTmp).
|
---|
512 | * @note DON'T try this with prefetch.
|
---|
513 | */
|
---|
514 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
515 | iemNativeEmitGprByVCpuLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprReg, uint32_t offVCpu,
|
---|
516 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
517 | {
|
---|
518 | /*
|
---|
519 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
520 | * try use those if we can, otherwise we have to use the temporary register
|
---|
521 | * help with the addressing.
|
---|
522 | */
|
---|
523 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
524 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
525 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
526 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
527 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
528 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
529 | else if (!ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation) || iGprTmp != UINT8_MAX)
|
---|
530 | {
|
---|
531 | /* The offset is too large, so we must load it into a register and use
|
---|
532 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
533 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
534 | if (iGprTmp == UINT8_MAX)
|
---|
535 | iGprTmp = iGprReg;
|
---|
536 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, offVCpu);
|
---|
537 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, iGprTmp);
|
---|
538 | }
|
---|
539 | else
|
---|
540 | # ifdef IEM_WITH_THROW_CATCH
|
---|
541 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
542 | # else
|
---|
543 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
544 | # endif
|
---|
545 |
|
---|
546 | return off;
|
---|
547 | }
|
---|
548 |
|
---|
549 | /**
|
---|
550 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
551 | */
|
---|
552 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
553 | iemNativeEmitGprByVCpuLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
554 | uint32_t offVCpu, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
555 | {
|
---|
556 | /*
|
---|
557 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
558 | * try use those if we can, otherwise we have to use the temporary register
|
---|
559 | * help with the addressing.
|
---|
560 | */
|
---|
561 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
562 | {
|
---|
563 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
564 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
565 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
566 | }
|
---|
567 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
568 | {
|
---|
569 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
570 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
571 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
572 | }
|
---|
573 | else
|
---|
574 | {
|
---|
575 | /* The offset is too large, so we must load it into a register and use
|
---|
576 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
577 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
578 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, offVCpu);
|
---|
579 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
580 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
581 | IEMNATIVE_REG_FIXED_TMP0);
|
---|
582 | }
|
---|
583 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
584 | return off;
|
---|
585 | }
|
---|
586 |
|
---|
587 | #endif /* RT_ARCH_ARM64 */
|
---|
588 |
|
---|
589 |
|
---|
590 | /**
|
---|
591 | * Emits a 64-bit GPR load of a VCpu value.
|
---|
592 | */
|
---|
593 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
594 | iemNativeEmitLoadGprFromVCpuU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
595 | {
|
---|
596 | #ifdef RT_ARCH_AMD64
|
---|
597 | /* mov reg64, mem64 */
|
---|
598 | if (iGpr < 8)
|
---|
599 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
600 | else
|
---|
601 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
602 | pCodeBuf[off++] = 0x8b;
|
---|
603 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off,iGpr, offVCpu);
|
---|
604 |
|
---|
605 | #elif defined(RT_ARCH_ARM64)
|
---|
606 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
607 |
|
---|
608 | #else
|
---|
609 | # error "port me"
|
---|
610 | #endif
|
---|
611 | return off;
|
---|
612 | }
|
---|
613 |
|
---|
614 |
|
---|
615 | /**
|
---|
616 | * Emits a 64-bit GPR load of a VCpu value.
|
---|
617 | */
|
---|
618 | DECL_INLINE_THROW(uint32_t)
|
---|
619 | iemNativeEmitLoadGprFromVCpuU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
620 | {
|
---|
621 | #ifdef RT_ARCH_AMD64
|
---|
622 | off = iemNativeEmitLoadGprFromVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGpr, offVCpu);
|
---|
623 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
624 |
|
---|
625 | #elif defined(RT_ARCH_ARM64)
|
---|
626 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
627 |
|
---|
628 | #else
|
---|
629 | # error "port me"
|
---|
630 | #endif
|
---|
631 | return off;
|
---|
632 | }
|
---|
633 |
|
---|
634 |
|
---|
635 | /**
|
---|
636 | * Emits a 32-bit GPR load of a VCpu value.
|
---|
637 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
638 | */
|
---|
639 | DECL_INLINE_THROW(uint32_t)
|
---|
640 | iemNativeEmitLoadGprFromVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
641 | {
|
---|
642 | #ifdef RT_ARCH_AMD64
|
---|
643 | /* mov reg32, mem32 */
|
---|
644 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
645 | if (iGpr >= 8)
|
---|
646 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
647 | pbCodeBuf[off++] = 0x8b;
|
---|
648 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
649 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
650 |
|
---|
651 | #elif defined(RT_ARCH_ARM64)
|
---|
652 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
653 |
|
---|
654 | #else
|
---|
655 | # error "port me"
|
---|
656 | #endif
|
---|
657 | return off;
|
---|
658 | }
|
---|
659 |
|
---|
660 |
|
---|
661 | /**
|
---|
662 | * Emits a 16-bit GPR load of a VCpu value.
|
---|
663 | * @note Bits 16 thru 63 in the GPR will be zero after the operation.
|
---|
664 | */
|
---|
665 | DECL_INLINE_THROW(uint32_t)
|
---|
666 | iemNativeEmitLoadGprFromVCpuU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
667 | {
|
---|
668 | #ifdef RT_ARCH_AMD64
|
---|
669 | /* movzx reg32, mem16 */
|
---|
670 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
671 | if (iGpr >= 8)
|
---|
672 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
673 | pbCodeBuf[off++] = 0x0f;
|
---|
674 | pbCodeBuf[off++] = 0xb7;
|
---|
675 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
676 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
677 |
|
---|
678 | #elif defined(RT_ARCH_ARM64)
|
---|
679 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Half, sizeof(uint16_t));
|
---|
680 |
|
---|
681 | #else
|
---|
682 | # error "port me"
|
---|
683 | #endif
|
---|
684 | return off;
|
---|
685 | }
|
---|
686 |
|
---|
687 |
|
---|
688 | /**
|
---|
689 | * Emits a 8-bit GPR load of a VCpu value.
|
---|
690 | * @note Bits 8 thru 63 in the GPR will be zero after the operation.
|
---|
691 | */
|
---|
692 | DECL_INLINE_THROW(uint32_t)
|
---|
693 | iemNativeEmitLoadGprFromVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
694 | {
|
---|
695 | #ifdef RT_ARCH_AMD64
|
---|
696 | /* movzx reg32, mem8 */
|
---|
697 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
698 | if (iGpr >= 8)
|
---|
699 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
700 | pbCodeBuf[off++] = 0x0f;
|
---|
701 | pbCodeBuf[off++] = 0xb6;
|
---|
702 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
703 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
704 |
|
---|
705 | #elif defined(RT_ARCH_ARM64)
|
---|
706 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint8_t));
|
---|
707 |
|
---|
708 | #else
|
---|
709 | # error "port me"
|
---|
710 | #endif
|
---|
711 | return off;
|
---|
712 | }
|
---|
713 |
|
---|
714 |
|
---|
715 | /**
|
---|
716 | * Emits a store of a GPR value to a 64-bit VCpu field.
|
---|
717 | */
|
---|
718 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
719 | iemNativeEmitStoreGprToVCpuU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGpr, uint32_t offVCpu,
|
---|
720 | uint8_t iGprTmp = UINT8_MAX)
|
---|
721 | {
|
---|
722 | #ifdef RT_ARCH_AMD64
|
---|
723 | /* mov mem64, reg64 */
|
---|
724 | if (iGpr < 8)
|
---|
725 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
726 | else
|
---|
727 | pCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
728 | pCodeBuf[off++] = 0x89;
|
---|
729 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iGpr, offVCpu);
|
---|
730 | RT_NOREF(iGprTmp);
|
---|
731 |
|
---|
732 | #elif defined(RT_ARCH_ARM64)
|
---|
733 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Dword, sizeof(uint64_t), iGprTmp);
|
---|
734 |
|
---|
735 | #else
|
---|
736 | # error "port me"
|
---|
737 | #endif
|
---|
738 | return off;
|
---|
739 | }
|
---|
740 |
|
---|
741 |
|
---|
742 | /**
|
---|
743 | * Emits a store of a GPR value to a 64-bit VCpu field.
|
---|
744 | */
|
---|
745 | DECL_INLINE_THROW(uint32_t)
|
---|
746 | iemNativeEmitStoreGprToVCpuU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
747 | {
|
---|
748 | #ifdef RT_ARCH_AMD64
|
---|
749 | off = iemNativeEmitStoreGprToVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGpr, offVCpu);
|
---|
750 | #elif defined(RT_ARCH_ARM64)
|
---|
751 | off = iemNativeEmitStoreGprToVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iGpr, offVCpu,
|
---|
752 | IEMNATIVE_REG_FIXED_TMP0);
|
---|
753 | #else
|
---|
754 | # error "port me"
|
---|
755 | #endif
|
---|
756 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
757 | return off;
|
---|
758 | }
|
---|
759 |
|
---|
760 |
|
---|
761 | /**
|
---|
762 | * Emits a store of a GPR value to a 32-bit VCpu field.
|
---|
763 | */
|
---|
764 | DECL_INLINE_THROW(uint32_t)
|
---|
765 | iemNativeEmitStoreGprToVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
766 | {
|
---|
767 | #ifdef RT_ARCH_AMD64
|
---|
768 | /* mov mem32, reg32 */
|
---|
769 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
770 | if (iGpr >= 8)
|
---|
771 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
772 | pbCodeBuf[off++] = 0x89;
|
---|
773 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
774 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
775 |
|
---|
776 | #elif defined(RT_ARCH_ARM64)
|
---|
777 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t));
|
---|
778 |
|
---|
779 | #else
|
---|
780 | # error "port me"
|
---|
781 | #endif
|
---|
782 | return off;
|
---|
783 | }
|
---|
784 |
|
---|
785 |
|
---|
786 | /**
|
---|
787 | * Emits a store of a GPR value to a 16-bit VCpu field.
|
---|
788 | */
|
---|
789 | DECL_INLINE_THROW(uint32_t)
|
---|
790 | iemNativeEmitStoreGprToVCpuU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
791 | {
|
---|
792 | #ifdef RT_ARCH_AMD64
|
---|
793 | /* mov mem16, reg16 */
|
---|
794 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
795 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
796 | if (iGpr >= 8)
|
---|
797 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
798 | pbCodeBuf[off++] = 0x89;
|
---|
799 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
800 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
801 |
|
---|
802 | #elif defined(RT_ARCH_ARM64)
|
---|
803 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t));
|
---|
804 |
|
---|
805 | #else
|
---|
806 | # error "port me"
|
---|
807 | #endif
|
---|
808 | return off;
|
---|
809 | }
|
---|
810 |
|
---|
811 |
|
---|
812 | /**
|
---|
813 | * Emits a store of a GPR value to a 8-bit VCpu field.
|
---|
814 | */
|
---|
815 | DECL_INLINE_THROW(uint32_t)
|
---|
816 | iemNativeEmitStoreGprToVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr, uint32_t offVCpu)
|
---|
817 | {
|
---|
818 | #ifdef RT_ARCH_AMD64
|
---|
819 | /* mov mem8, reg8 */
|
---|
820 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
821 | if (iGpr >= 8)
|
---|
822 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
823 | pbCodeBuf[off++] = 0x88;
|
---|
824 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGpr, offVCpu);
|
---|
825 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
826 |
|
---|
827 | #elif defined(RT_ARCH_ARM64)
|
---|
828 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, iGpr, offVCpu, kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t));
|
---|
829 |
|
---|
830 | #else
|
---|
831 | # error "port me"
|
---|
832 | #endif
|
---|
833 | return off;
|
---|
834 | }
|
---|
835 |
|
---|
836 |
|
---|
837 | /**
|
---|
838 | * Emits a store of an immediate value to a 64-bit VCpu field.
|
---|
839 | *
|
---|
840 | * @note Will allocate temporary registers on both ARM64 and AMD64.
|
---|
841 | */
|
---|
842 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
843 | iemNativeEmitStoreImmToVCpuU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint64_t uImm, uint32_t offVCpu)
|
---|
844 | {
|
---|
845 | #ifdef RT_ARCH_AMD64
|
---|
846 | /* mov mem32, imm32 */
|
---|
847 | uint8_t const idxRegImm = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
848 | off = iemNativeEmitStoreGprToVCpuU64Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, idxRegImm, offVCpu);
|
---|
849 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
850 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
851 |
|
---|
852 | #elif defined(RT_ARCH_ARM64)
|
---|
853 | uint8_t const idxRegImm = uImm == 0 ? ARMV8_A64_REG_XZR : iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
854 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, idxRegImm, offVCpu, kArmv8A64InstrLdStType_St_Dword, sizeof(uint64_t));
|
---|
855 | if (idxRegImm != ARMV8_A64_REG_XZR)
|
---|
856 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
857 |
|
---|
858 | #else
|
---|
859 | # error "port me"
|
---|
860 | #endif
|
---|
861 | return off;
|
---|
862 | }
|
---|
863 |
|
---|
864 |
|
---|
865 | /**
|
---|
866 | * Emits a store of an immediate value to a 32-bit VCpu field.
|
---|
867 | *
|
---|
868 | * @note ARM64: Will allocate temporary registers.
|
---|
869 | */
|
---|
870 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
871 | iemNativeEmitStoreImmToVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t uImm, uint32_t offVCpu)
|
---|
872 | {
|
---|
873 | #ifdef RT_ARCH_AMD64
|
---|
874 | /* mov mem32, imm32 */
|
---|
875 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
876 | pCodeBuf[off++] = 0xc7;
|
---|
877 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
878 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
879 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
880 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
881 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
882 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
883 |
|
---|
884 | #elif defined(RT_ARCH_ARM64)
|
---|
885 | uint8_t const idxRegImm = uImm == 0 ? ARMV8_A64_REG_XZR : iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
886 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, idxRegImm, offVCpu, kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t));
|
---|
887 | if (idxRegImm != ARMV8_A64_REG_XZR)
|
---|
888 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
889 |
|
---|
890 | #else
|
---|
891 | # error "port me"
|
---|
892 | #endif
|
---|
893 | return off;
|
---|
894 | }
|
---|
895 |
|
---|
896 |
|
---|
897 |
|
---|
898 | /**
|
---|
899 | * Emits a store of an immediate value to a 16-bit VCpu field.
|
---|
900 | *
|
---|
901 | * @note ARM64: A idxTmp1 is always required! The idxTmp2 depends on whehter the
|
---|
902 | * offset can be encoded as an immediate or not. The @a offVCpu immediate
|
---|
903 | * range is 0..8190 bytes from VMCPU and the same from CPUMCPU.
|
---|
904 | */
|
---|
905 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
906 | iemNativeEmitStoreImmToVCpuU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint16_t uImm, uint32_t offVCpu,
|
---|
907 | uint8_t idxTmp1 = UINT8_MAX, uint8_t idxTmp2 = UINT8_MAX)
|
---|
908 | {
|
---|
909 | #ifdef RT_ARCH_AMD64
|
---|
910 | /* mov mem16, imm16 */
|
---|
911 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
912 | pCodeBuf[off++] = 0xc7;
|
---|
913 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
914 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
915 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
916 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
917 |
|
---|
918 | #elif defined(RT_ARCH_ARM64)
|
---|
919 | if (idxTmp1 != UINT8_MAX)
|
---|
920 | {
|
---|
921 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmp1, uImm);
|
---|
922 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, idxTmp1, offVCpu, kArmv8A64InstrLdStType_St_Half,
|
---|
923 | sizeof(uint16_t), idxTmp2);
|
---|
924 | }
|
---|
925 | else
|
---|
926 | # ifdef IEM_WITH_THROW_CATCH
|
---|
927 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
928 | # else
|
---|
929 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
930 | # endif
|
---|
931 |
|
---|
932 | #else
|
---|
933 | # error "port me"
|
---|
934 | #endif
|
---|
935 | return off;
|
---|
936 | }
|
---|
937 |
|
---|
938 |
|
---|
939 | /**
|
---|
940 | * Emits a store of an immediate value to a 8-bit VCpu field.
|
---|
941 | */
|
---|
942 | DECL_INLINE_THROW(uint32_t)
|
---|
943 | iemNativeEmitStoreImmToVCpuU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t bImm, uint32_t offVCpu)
|
---|
944 | {
|
---|
945 | #ifdef RT_ARCH_AMD64
|
---|
946 | /* mov mem8, imm8 */
|
---|
947 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
948 | pbCodeBuf[off++] = 0xc6;
|
---|
949 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, 0, offVCpu);
|
---|
950 | pbCodeBuf[off++] = bImm;
|
---|
951 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
952 |
|
---|
953 | #elif defined(RT_ARCH_ARM64)
|
---|
954 | /* Cannot use IEMNATIVE_REG_FIXED_TMP0 for the immediate as that's used by iemNativeEmitGprByVCpuLdSt. */
|
---|
955 | uint8_t const idxRegImm = iemNativeRegAllocTmpImm(pReNative, &off, bImm);
|
---|
956 | off = iemNativeEmitGprByVCpuLdSt(pReNative, off, idxRegImm, offVCpu, kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t));
|
---|
957 | iemNativeRegFreeTmpImm(pReNative, idxRegImm);
|
---|
958 |
|
---|
959 | #else
|
---|
960 | # error "port me"
|
---|
961 | #endif
|
---|
962 | return off;
|
---|
963 | }
|
---|
964 |
|
---|
965 |
|
---|
966 | /**
|
---|
967 | * Emits a load effective address to a GRP of a VCpu field.
|
---|
968 | */
|
---|
969 | DECL_INLINE_THROW(uint32_t)
|
---|
970 | iemNativeEmitLeaGprByVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t offVCpu)
|
---|
971 | {
|
---|
972 | #ifdef RT_ARCH_AMD64
|
---|
973 | /* lea gprdst, [rbx + offDisp] */
|
---|
974 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
975 | if (iGprDst < 8)
|
---|
976 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
977 | else
|
---|
978 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
979 | pbCodeBuf[off++] = 0x8d;
|
---|
980 | off = iemNativeEmitGprByVCpuDisp(pbCodeBuf, off, iGprDst, offVCpu);
|
---|
981 |
|
---|
982 | #elif defined(RT_ARCH_ARM64)
|
---|
983 | if (offVCpu < (unsigned)_4K)
|
---|
984 | {
|
---|
985 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
986 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PVMCPU, offVCpu);
|
---|
987 | }
|
---|
988 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)_4K)
|
---|
989 | {
|
---|
990 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
991 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
992 | offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx));
|
---|
993 | }
|
---|
994 | else
|
---|
995 | {
|
---|
996 | Assert(iGprDst != IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
997 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, offVCpu);
|
---|
998 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
999 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, IEMNATIVE_REG_FIXED_PCPUMCTX, iGprDst);
|
---|
1000 | }
|
---|
1001 |
|
---|
1002 | #else
|
---|
1003 | # error "port me"
|
---|
1004 | #endif
|
---|
1005 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1006 | return off;
|
---|
1007 | }
|
---|
1008 |
|
---|
1009 |
|
---|
1010 | /** This is just as a typesafe alternative to RT_UOFFSETOF. */
|
---|
1011 | DECL_FORCE_INLINE(uint32_t) iemNativeVCpuOffsetFromStamCounterPtr(PVMCPU pVCpu, PSTAMCOUNTER pStamCounter)
|
---|
1012 | {
|
---|
1013 | uintptr_t const off = (uintptr_t)pStamCounter - (uintptr_t)pVCpu;
|
---|
1014 | Assert(off < sizeof(VMCPU));
|
---|
1015 | return off;
|
---|
1016 | }
|
---|
1017 |
|
---|
1018 |
|
---|
1019 | /** This is just as a typesafe alternative to RT_UOFFSETOF. */
|
---|
1020 | DECL_FORCE_INLINE(uint32_t) iemNativeVCpuOffsetFromU64Ptr(PVMCPU pVCpu, uint64_t *pu64)
|
---|
1021 | {
|
---|
1022 | uintptr_t const off = (uintptr_t)pu64 - (uintptr_t)pVCpu;
|
---|
1023 | Assert(off < sizeof(VMCPU));
|
---|
1024 | return off;
|
---|
1025 | }
|
---|
1026 |
|
---|
1027 |
|
---|
1028 | /**
|
---|
1029 | * Emits code for incrementing a statistics counter (STAMCOUNTER/uint64_t) in VMCPU.
|
---|
1030 | *
|
---|
1031 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1032 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1033 | * encoded as an immediate.
|
---|
1034 | */
|
---|
1035 | DECL_FORCE_INLINE(uint32_t)
|
---|
1036 | iemNativeEmitIncStamCounterInVCpuEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1037 | {
|
---|
1038 | #ifdef RT_ARCH_AMD64
|
---|
1039 | /* inc qword [pVCpu + off] */
|
---|
1040 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
1041 | pCodeBuf[off++] = 0xff;
|
---|
1042 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
1043 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
1044 |
|
---|
1045 | #elif defined(RT_ARCH_ARM64)
|
---|
1046 | /* Determine how we're to access pVCpu first. */
|
---|
1047 | uint32_t const cbData = sizeof(STAMCOUNTER);
|
---|
1048 | if (offVCpu < _4K * cbData && !(offVCpu & (cbData - 1)))
|
---|
1049 | {
|
---|
1050 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1051 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1,
|
---|
1052 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1053 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1054 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1,
|
---|
1055 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1056 | }
|
---|
1057 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData) && !(offVCpu & (cbData - 1)))
|
---|
1058 | {
|
---|
1059 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1060 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1061 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1062 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1063 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1064 | }
|
---|
1065 | else
|
---|
1066 | {
|
---|
1067 | /* The offset is too large, so we must load it into a register and use
|
---|
1068 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
1069 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmp2, offVCpu);
|
---|
1070 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1071 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1072 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Dword, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1073 | }
|
---|
1074 |
|
---|
1075 | #else
|
---|
1076 | # error "port me"
|
---|
1077 | #endif
|
---|
1078 | return off;
|
---|
1079 | }
|
---|
1080 |
|
---|
1081 |
|
---|
1082 | /**
|
---|
1083 | * Emits code for incrementing a statistics counter (STAMCOUNTER/uint64_t) in VMCPU.
|
---|
1084 | *
|
---|
1085 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1086 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1087 | * encoded as an immediate.
|
---|
1088 | */
|
---|
1089 | DECL_FORCE_INLINE(uint32_t)
|
---|
1090 | iemNativeEmitIncStamCounterInVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1091 | {
|
---|
1092 | #ifdef RT_ARCH_AMD64
|
---|
1093 | off = iemNativeEmitIncStamCounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1094 | #elif defined(RT_ARCH_ARM64)
|
---|
1095 | off = iemNativeEmitIncStamCounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 4+3), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1096 | #else
|
---|
1097 | # error "port me"
|
---|
1098 | #endif
|
---|
1099 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1100 | return off;
|
---|
1101 | }
|
---|
1102 |
|
---|
1103 |
|
---|
1104 | /**
|
---|
1105 | * Emits code for incrementing an unsigned 32-bit statistics counter in VMCPU.
|
---|
1106 | *
|
---|
1107 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1108 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1109 | * encoded as an immediate.
|
---|
1110 | */
|
---|
1111 | DECL_FORCE_INLINE(uint32_t)
|
---|
1112 | iemNativeEmitIncU32CounterInVCpuEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1113 | {
|
---|
1114 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1115 | #ifdef RT_ARCH_AMD64
|
---|
1116 | /* inc dword [pVCpu + offVCpu] */
|
---|
1117 | pCodeBuf[off++] = 0xff;
|
---|
1118 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 0, offVCpu);
|
---|
1119 | RT_NOREF(idxTmp1, idxTmp2);
|
---|
1120 |
|
---|
1121 | #elif defined(RT_ARCH_ARM64)
|
---|
1122 | /* Determine how we're to access pVCpu first. */
|
---|
1123 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1124 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1125 | {
|
---|
1126 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1127 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmp1,
|
---|
1128 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1129 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1130 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmp1,
|
---|
1131 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1132 | }
|
---|
1133 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1134 | {
|
---|
1135 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1136 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1137 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1138 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmp1, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1139 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1140 | }
|
---|
1141 | else
|
---|
1142 | {
|
---|
1143 | /* The offset is too large, so we must load it into a register and use
|
---|
1144 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1145 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1146 | if (offVCpu / cbData < (unsigned)UINT16_MAX)
|
---|
1147 | {
|
---|
1148 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmp2, offVCpu / cbData);
|
---|
1149 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1150 | idxTmp2, kArmv8A64InstrLdStExtend_Lsl, true /*fShifted(2)*/);
|
---|
1151 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1152 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1153 | idxTmp2, kArmv8A64InstrLdStExtend_Lsl, true /*fShifted(2)*/);
|
---|
1154 | }
|
---|
1155 | else
|
---|
1156 | {
|
---|
1157 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmp2, offVCpu);
|
---|
1158 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1159 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(idxTmp1, idxTmp1, 1);
|
---|
1160 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmp1, IEMNATIVE_REG_FIXED_PVMCPU, idxTmp2);
|
---|
1161 | }
|
---|
1162 | }
|
---|
1163 |
|
---|
1164 | #else
|
---|
1165 | # error "port me"
|
---|
1166 | #endif
|
---|
1167 | return off;
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 |
|
---|
1171 | /**
|
---|
1172 | * Emits code for incrementing an unsigned 32-bit statistics counter in VMCPU.
|
---|
1173 | *
|
---|
1174 | * @note The two temp registers are not required for AMD64. ARM64 always
|
---|
1175 | * requires the first, and the 2nd is needed if the offset cannot be
|
---|
1176 | * encoded as an immediate.
|
---|
1177 | */
|
---|
1178 | DECL_FORCE_INLINE(uint32_t)
|
---|
1179 | iemNativeEmitIncU32CounterInVCpu(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxTmp1, uint8_t idxTmp2, uint32_t offVCpu)
|
---|
1180 | {
|
---|
1181 | #ifdef RT_ARCH_AMD64
|
---|
1182 | off = iemNativeEmitIncU32CounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1183 | #elif defined(RT_ARCH_ARM64)
|
---|
1184 | off = iemNativeEmitIncU32CounterInVCpuEx(iemNativeInstrBufEnsure(pReNative, off, 4+3), off, idxTmp1, idxTmp2, offVCpu);
|
---|
1185 | #else
|
---|
1186 | # error "port me"
|
---|
1187 | #endif
|
---|
1188 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1189 | return off;
|
---|
1190 | }
|
---|
1191 |
|
---|
1192 |
|
---|
1193 | /**
|
---|
1194 | * Emits code for OR'ing a bitmask into a 32-bit VMCPU member.
|
---|
1195 | *
|
---|
1196 | * @note May allocate temporary registers (not AMD64).
|
---|
1197 | */
|
---|
1198 | DECL_FORCE_INLINE(uint32_t)
|
---|
1199 | iemNativeEmitOrImmIntoVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t fMask, uint32_t offVCpu)
|
---|
1200 | {
|
---|
1201 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1202 | #ifdef RT_ARCH_AMD64
|
---|
1203 | /* or dword [pVCpu + offVCpu], imm8/32 */
|
---|
1204 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
1205 | if (fMask < 0x80)
|
---|
1206 | {
|
---|
1207 | pCodeBuf[off++] = 0x83;
|
---|
1208 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 1, offVCpu);
|
---|
1209 | pCodeBuf[off++] = (uint8_t)fMask;
|
---|
1210 | }
|
---|
1211 | else
|
---|
1212 | {
|
---|
1213 | pCodeBuf[off++] = 0x81;
|
---|
1214 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 1, offVCpu);
|
---|
1215 | pCodeBuf[off++] = RT_BYTE1(fMask);
|
---|
1216 | pCodeBuf[off++] = RT_BYTE2(fMask);
|
---|
1217 | pCodeBuf[off++] = RT_BYTE3(fMask);
|
---|
1218 | pCodeBuf[off++] = RT_BYTE4(fMask);
|
---|
1219 | }
|
---|
1220 |
|
---|
1221 | #elif defined(RT_ARCH_ARM64)
|
---|
1222 | /* If the constant is unwieldy we'll need a register to hold it as well. */
|
---|
1223 | uint32_t uImmSizeLen, uImmRotate;
|
---|
1224 | uint8_t const idxTmpMask = Armv8A64ConvertMask32ToImmRImmS(fMask, &uImmSizeLen, &uImmRotate) ? UINT8_MAX
|
---|
1225 | : iemNativeRegAllocTmpImm(pReNative, &off, fMask);
|
---|
1226 |
|
---|
1227 | /* We need a temp register for holding the member value we're modifying. */
|
---|
1228 | uint8_t const idxTmpValue = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1229 |
|
---|
1230 | /* Determine how we're to access pVCpu first. */
|
---|
1231 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1232 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1233 | {
|
---|
1234 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1235 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1236 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue,
|
---|
1237 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1238 | if (idxTmpMask == UINT8_MAX)
|
---|
1239 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1240 | else
|
---|
1241 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1242 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue,
|
---|
1243 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1244 | }
|
---|
1245 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1246 | {
|
---|
1247 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1248 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1249 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1250 | if (idxTmpMask == UINT8_MAX)
|
---|
1251 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1252 | else
|
---|
1253 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1254 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1255 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1256 | }
|
---|
1257 | else
|
---|
1258 | {
|
---|
1259 | /* The offset is too large, so we must load it into a register and use
|
---|
1260 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1261 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1262 | uint8_t const idxTmpIndex = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1263 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
1264 | bool const fShifted = offVCpu / cbData < (unsigned)UINT16_MAX;
|
---|
1265 | if (fShifted)
|
---|
1266 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmpIndex, offVCpu / cbData);
|
---|
1267 | else
|
---|
1268 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmpIndex, offVCpu);
|
---|
1269 |
|
---|
1270 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1271 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1272 |
|
---|
1273 | if (idxTmpMask == UINT8_MAX)
|
---|
1274 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1275 | else
|
---|
1276 | pCodeBuf[off++] = Armv8A64MkInstrOrr(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1277 |
|
---|
1278 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1279 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1280 | iemNativeRegFreeTmp(pReNative, idxTmpIndex);
|
---|
1281 | }
|
---|
1282 | iemNativeRegFreeTmp(pReNative, idxTmpValue);
|
---|
1283 | if (idxTmpMask != UINT8_MAX)
|
---|
1284 | iemNativeRegFreeTmp(pReNative, idxTmpMask);
|
---|
1285 |
|
---|
1286 | #else
|
---|
1287 | # error "port me"
|
---|
1288 | #endif
|
---|
1289 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1290 | return off;
|
---|
1291 | }
|
---|
1292 |
|
---|
1293 |
|
---|
1294 | /**
|
---|
1295 | * Emits code for AND'ing a bitmask into a 32-bit VMCPU member.
|
---|
1296 | *
|
---|
1297 | * @note May allocate temporary registers (not AMD64).
|
---|
1298 | */
|
---|
1299 | DECL_FORCE_INLINE(uint32_t)
|
---|
1300 | iemNativeEmitAndImmIntoVCpuU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t fMask, uint32_t offVCpu)
|
---|
1301 | {
|
---|
1302 | Assert(!(offVCpu & 3)); /* ASSUME correctly aligned member. */
|
---|
1303 | #ifdef RT_ARCH_AMD64
|
---|
1304 | /* and dword [pVCpu + offVCpu], imm8/32 */
|
---|
1305 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 10);
|
---|
1306 | if (fMask < 0x80)
|
---|
1307 | {
|
---|
1308 | pCodeBuf[off++] = 0x83;
|
---|
1309 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 4, offVCpu);
|
---|
1310 | pCodeBuf[off++] = (uint8_t)fMask;
|
---|
1311 | }
|
---|
1312 | else
|
---|
1313 | {
|
---|
1314 | pCodeBuf[off++] = 0x81;
|
---|
1315 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, 4, offVCpu);
|
---|
1316 | pCodeBuf[off++] = RT_BYTE1(fMask);
|
---|
1317 | pCodeBuf[off++] = RT_BYTE2(fMask);
|
---|
1318 | pCodeBuf[off++] = RT_BYTE3(fMask);
|
---|
1319 | pCodeBuf[off++] = RT_BYTE4(fMask);
|
---|
1320 | }
|
---|
1321 |
|
---|
1322 | #elif defined(RT_ARCH_ARM64)
|
---|
1323 | /* If the constant is unwieldy we'll need a register to hold it as well. */
|
---|
1324 | uint32_t uImmSizeLen, uImmRotate;
|
---|
1325 | uint8_t const idxTmpMask = Armv8A64ConvertMask32ToImmRImmS(fMask, &uImmSizeLen, &uImmRotate) ? UINT8_MAX
|
---|
1326 | : iemNativeRegAllocTmpImm(pReNative, &off, fMask);
|
---|
1327 |
|
---|
1328 | /* We need a temp register for holding the member value we're modifying. */
|
---|
1329 | uint8_t const idxTmpValue = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1330 |
|
---|
1331 | /* Determine how we're to access pVCpu first. */
|
---|
1332 | uint32_t const cbData = sizeof(uint32_t);
|
---|
1333 | if (offVCpu < (unsigned)(_4K * cbData))
|
---|
1334 | {
|
---|
1335 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
1336 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1337 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue,
|
---|
1338 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1339 | if (idxTmpMask == UINT8_MAX)
|
---|
1340 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1341 | else
|
---|
1342 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1343 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue,
|
---|
1344 | IEMNATIVE_REG_FIXED_PVMCPU, offVCpu / cbData);
|
---|
1345 | }
|
---|
1346 | else if (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx) < (unsigned)(_4K * cbData))
|
---|
1347 | {
|
---|
1348 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1349 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1350 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1351 | if (idxTmpMask == UINT8_MAX)
|
---|
1352 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1353 | else
|
---|
1354 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1355 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PCPUMCTX,
|
---|
1356 | (offVCpu - RT_UOFFSETOF(VMCPU, cpum.GstCtx)) / cbData);
|
---|
1357 | }
|
---|
1358 | else
|
---|
1359 | {
|
---|
1360 | /* The offset is too large, so we must load it into a register and use
|
---|
1361 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. We'll try use the 'LSL, #2' feature
|
---|
1362 | of the instruction if that'll reduce the constant to 16-bits. */
|
---|
1363 | uint8_t const idxTmpIndex = iemNativeRegAllocTmp(pReNative, &off);
|
---|
1364 | PIEMNATIVEINSTR const pCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
1365 | bool const fShifted = offVCpu / cbData < (unsigned)UINT16_MAX;
|
---|
1366 | if (fShifted)
|
---|
1367 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(idxTmpIndex, offVCpu / cbData);
|
---|
1368 | else
|
---|
1369 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, idxTmpIndex, offVCpu);
|
---|
1370 |
|
---|
1371 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_Ld_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1372 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1373 |
|
---|
1374 | if (idxTmpMask == UINT8_MAX)
|
---|
1375 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpValue, idxTmpValue, uImmSizeLen, uImmRotate, false /*f64Bit*/);
|
---|
1376 | else
|
---|
1377 | pCodeBuf[off++] = Armv8A64MkInstrAnd(idxTmpValue, idxTmpValue, idxTmpMask, false /*f64Bit*/);
|
---|
1378 |
|
---|
1379 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Word, idxTmpValue, IEMNATIVE_REG_FIXED_PVMCPU,
|
---|
1380 | idxTmpIndex, kArmv8A64InstrLdStExtend_Lsl, fShifted /*fShifted(2)*/);
|
---|
1381 | iemNativeRegFreeTmp(pReNative, idxTmpIndex);
|
---|
1382 | }
|
---|
1383 | iemNativeRegFreeTmp(pReNative, idxTmpValue);
|
---|
1384 | if (idxTmpMask != UINT8_MAX)
|
---|
1385 | iemNativeRegFreeTmp(pReNative, idxTmpMask);
|
---|
1386 |
|
---|
1387 | #else
|
---|
1388 | # error "port me"
|
---|
1389 | #endif
|
---|
1390 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1391 | return off;
|
---|
1392 | }
|
---|
1393 |
|
---|
1394 |
|
---|
1395 | /**
|
---|
1396 | * Emits a gprdst = gprsrc load.
|
---|
1397 | */
|
---|
1398 | DECL_FORCE_INLINE(uint32_t)
|
---|
1399 | iemNativeEmitLoadGprFromGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1400 | {
|
---|
1401 | #ifdef RT_ARCH_AMD64
|
---|
1402 | /* mov gprdst, gprsrc */
|
---|
1403 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1404 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W | X86_OP_REX_B
|
---|
1405 | : iGprSrc >= 8 ? X86_OP_REX_W | X86_OP_REX_R | X86_OP_REX_B
|
---|
1406 | : X86_OP_REX_W | X86_OP_REX_R;
|
---|
1407 | else
|
---|
1408 | pCodeBuf[off++] = X86_OP_REX_W;
|
---|
1409 | pCodeBuf[off++] = 0x8b;
|
---|
1410 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1411 |
|
---|
1412 | #elif defined(RT_ARCH_ARM64)
|
---|
1413 | /* mov dst, src; alias for: orr dst, xzr, src */
|
---|
1414 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, ARMV8_A64_REG_XZR, iGprSrc);
|
---|
1415 |
|
---|
1416 | #else
|
---|
1417 | # error "port me"
|
---|
1418 | #endif
|
---|
1419 | return off;
|
---|
1420 | }
|
---|
1421 |
|
---|
1422 |
|
---|
1423 | /**
|
---|
1424 | * Emits a gprdst = gprsrc load.
|
---|
1425 | */
|
---|
1426 | DECL_INLINE_THROW(uint32_t)
|
---|
1427 | iemNativeEmitLoadGprFromGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1428 | {
|
---|
1429 | #ifdef RT_ARCH_AMD64
|
---|
1430 | off = iemNativeEmitLoadGprFromGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
1431 | #elif defined(RT_ARCH_ARM64)
|
---|
1432 | off = iemNativeEmitLoadGprFromGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1433 | #else
|
---|
1434 | # error "port me"
|
---|
1435 | #endif
|
---|
1436 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1437 | return off;
|
---|
1438 | }
|
---|
1439 |
|
---|
1440 |
|
---|
1441 | /**
|
---|
1442 | * Emits a gprdst = gprsrc[31:0] load.
|
---|
1443 | * @note Bits 63 thru 32 are cleared.
|
---|
1444 | */
|
---|
1445 | DECL_FORCE_INLINE(uint32_t)
|
---|
1446 | iemNativeEmitLoadGprFromGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1447 | {
|
---|
1448 | #ifdef RT_ARCH_AMD64
|
---|
1449 | /* mov gprdst, gprsrc */
|
---|
1450 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1451 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1452 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1453 | : X86_OP_REX_R;
|
---|
1454 | pCodeBuf[off++] = 0x8b;
|
---|
1455 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1456 |
|
---|
1457 | #elif defined(RT_ARCH_ARM64)
|
---|
1458 | /* mov dst32, src32; alias for: orr dst32, wzr, src32 */
|
---|
1459 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, ARMV8_A64_REG_WZR, iGprSrc, false /*f64bit*/);
|
---|
1460 |
|
---|
1461 | #else
|
---|
1462 | # error "port me"
|
---|
1463 | #endif
|
---|
1464 | return off;
|
---|
1465 | }
|
---|
1466 |
|
---|
1467 |
|
---|
1468 | /**
|
---|
1469 | * Emits a gprdst = gprsrc[31:0] load.
|
---|
1470 | * @note Bits 63 thru 32 are cleared.
|
---|
1471 | */
|
---|
1472 | DECL_INLINE_THROW(uint32_t)
|
---|
1473 | iemNativeEmitLoadGprFromGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1474 | {
|
---|
1475 | #ifdef RT_ARCH_AMD64
|
---|
1476 | off = iemNativeEmitLoadGprFromGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
1477 | #elif defined(RT_ARCH_ARM64)
|
---|
1478 | off = iemNativeEmitLoadGprFromGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1479 | #else
|
---|
1480 | # error "port me"
|
---|
1481 | #endif
|
---|
1482 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1483 | return off;
|
---|
1484 | }
|
---|
1485 |
|
---|
1486 |
|
---|
1487 | /**
|
---|
1488 | * Emits a gprdst = gprsrc[15:0] load.
|
---|
1489 | * @note Bits 63 thru 15 are cleared.
|
---|
1490 | */
|
---|
1491 | DECL_INLINE_THROW(uint32_t)
|
---|
1492 | iemNativeEmitLoadGprFromGpr16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1493 | {
|
---|
1494 | #ifdef RT_ARCH_AMD64
|
---|
1495 | /* movzx Gv,Ew */
|
---|
1496 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1497 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1498 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1499 | : X86_OP_REX_R;
|
---|
1500 | pCodeBuf[off++] = 0x0f;
|
---|
1501 | pCodeBuf[off++] = 0xb7;
|
---|
1502 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1503 |
|
---|
1504 | #elif defined(RT_ARCH_ARM64)
|
---|
1505 | /* and gprdst, gprsrc, #0xffff */
|
---|
1506 | # if 1
|
---|
1507 | Assert(Armv8A64ConvertImmRImmS2Mask32(0x0f, 0) == UINT16_MAX);
|
---|
1508 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x0f, 0, false /*f64Bit*/);
|
---|
1509 | # else
|
---|
1510 | Assert(Armv8A64ConvertImmRImmS2Mask64(0x4f, 0) == UINT16_MAX);
|
---|
1511 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x4f, 0);
|
---|
1512 | # endif
|
---|
1513 |
|
---|
1514 | #else
|
---|
1515 | # error "port me"
|
---|
1516 | #endif
|
---|
1517 | return off;
|
---|
1518 | }
|
---|
1519 |
|
---|
1520 |
|
---|
1521 | /**
|
---|
1522 | * Emits a gprdst = gprsrc[15:0] load.
|
---|
1523 | * @note Bits 63 thru 15 are cleared.
|
---|
1524 | */
|
---|
1525 | DECL_INLINE_THROW(uint32_t)
|
---|
1526 | iemNativeEmitLoadGprFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1527 | {
|
---|
1528 | #ifdef RT_ARCH_AMD64
|
---|
1529 | off = iemNativeEmitLoadGprFromGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iGprSrc);
|
---|
1530 | #elif defined(RT_ARCH_ARM64)
|
---|
1531 | off = iemNativeEmitLoadGprFromGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1532 | #else
|
---|
1533 | # error "port me"
|
---|
1534 | #endif
|
---|
1535 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1536 | return off;
|
---|
1537 | }
|
---|
1538 |
|
---|
1539 |
|
---|
1540 | /**
|
---|
1541 | * Emits a gprdst = gprsrc[7:0] load.
|
---|
1542 | * @note Bits 63 thru 8 are cleared.
|
---|
1543 | */
|
---|
1544 | DECL_FORCE_INLINE(uint32_t)
|
---|
1545 | iemNativeEmitLoadGprFromGpr8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1546 | {
|
---|
1547 | #ifdef RT_ARCH_AMD64
|
---|
1548 | /* movzx Gv,Eb */
|
---|
1549 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1550 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1551 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1552 | : X86_OP_REX_R;
|
---|
1553 | else if (iGprSrc >= 4)
|
---|
1554 | pCodeBuf[off++] = X86_OP_REX;
|
---|
1555 | pCodeBuf[off++] = 0x0f;
|
---|
1556 | pCodeBuf[off++] = 0xb6;
|
---|
1557 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1558 |
|
---|
1559 | #elif defined(RT_ARCH_ARM64)
|
---|
1560 | /* and gprdst, gprsrc, #0xff */
|
---|
1561 | Assert(Armv8A64ConvertImmRImmS2Mask32(0x07, 0) == UINT8_MAX);
|
---|
1562 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, 0x07, 0, false /*f64Bit*/);
|
---|
1563 |
|
---|
1564 | #else
|
---|
1565 | # error "port me"
|
---|
1566 | #endif
|
---|
1567 | return off;
|
---|
1568 | }
|
---|
1569 |
|
---|
1570 |
|
---|
1571 | /**
|
---|
1572 | * Emits a gprdst = gprsrc[7:0] load.
|
---|
1573 | * @note Bits 63 thru 8 are cleared.
|
---|
1574 | */
|
---|
1575 | DECL_INLINE_THROW(uint32_t)
|
---|
1576 | iemNativeEmitLoadGprFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1577 | {
|
---|
1578 | #ifdef RT_ARCH_AMD64
|
---|
1579 | off = iemNativeEmitLoadGprFromGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iGprSrc);
|
---|
1580 | #elif defined(RT_ARCH_ARM64)
|
---|
1581 | off = iemNativeEmitLoadGprFromGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
1582 | #else
|
---|
1583 | # error "port me"
|
---|
1584 | #endif
|
---|
1585 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1586 | return off;
|
---|
1587 | }
|
---|
1588 |
|
---|
1589 |
|
---|
1590 | /**
|
---|
1591 | * Emits a gprdst = gprsrc[15:8] load (ah, ch, dh, bh).
|
---|
1592 | * @note Bits 63 thru 8 are cleared.
|
---|
1593 | */
|
---|
1594 | DECL_INLINE_THROW(uint32_t)
|
---|
1595 | iemNativeEmitLoadGprFromGpr8Hi(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1596 | {
|
---|
1597 | #ifdef RT_ARCH_AMD64
|
---|
1598 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
1599 |
|
---|
1600 | /* movzx Gv,Ew */
|
---|
1601 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1602 | pbCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_B
|
---|
1603 | : iGprSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
1604 | : X86_OP_REX_R;
|
---|
1605 | pbCodeBuf[off++] = 0x0f;
|
---|
1606 | pbCodeBuf[off++] = 0xb7;
|
---|
1607 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1608 |
|
---|
1609 | /* shr Ev,8 */
|
---|
1610 | if (iGprDst >= 8)
|
---|
1611 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
1612 | pbCodeBuf[off++] = 0xc1;
|
---|
1613 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
1614 | pbCodeBuf[off++] = 8;
|
---|
1615 |
|
---|
1616 | #elif defined(RT_ARCH_ARM64)
|
---|
1617 | /* ubfx gprdst, gprsrc, #8, #8 - gprdst = gprsrc[15:8] */
|
---|
1618 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1619 | pu32CodeBuf[off++] = Armv8A64MkInstrUbfx(iGprDst, iGprSrc, 8, 8, false /*f64Bit*/);
|
---|
1620 |
|
---|
1621 | #else
|
---|
1622 | # error "port me"
|
---|
1623 | #endif
|
---|
1624 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1625 | return off;
|
---|
1626 | }
|
---|
1627 |
|
---|
1628 |
|
---|
1629 | /**
|
---|
1630 | * Sign-extends 32-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1631 | */
|
---|
1632 | DECL_INLINE_THROW(uint32_t)
|
---|
1633 | iemNativeEmitLoadGprSignExtendedFromGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1634 | {
|
---|
1635 | #ifdef RT_ARCH_AMD64
|
---|
1636 | /* movsxd r64, r/m32 */
|
---|
1637 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
1638 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1639 | pbCodeBuf[off++] = 0x63;
|
---|
1640 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1641 |
|
---|
1642 | #elif defined(RT_ARCH_ARM64)
|
---|
1643 | /* sxtw dst, src */
|
---|
1644 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1645 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtw(iGprDst, iGprSrc);
|
---|
1646 |
|
---|
1647 | #else
|
---|
1648 | # error "port me"
|
---|
1649 | #endif
|
---|
1650 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1651 | return off;
|
---|
1652 | }
|
---|
1653 |
|
---|
1654 |
|
---|
1655 | /**
|
---|
1656 | * Sign-extends 16-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1657 | */
|
---|
1658 | DECL_INLINE_THROW(uint32_t)
|
---|
1659 | iemNativeEmitLoadGprSignExtendedFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1660 | {
|
---|
1661 | #ifdef RT_ARCH_AMD64
|
---|
1662 | /* movsx r64, r/m16 */
|
---|
1663 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1664 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1665 | pbCodeBuf[off++] = 0x0f;
|
---|
1666 | pbCodeBuf[off++] = 0xbf;
|
---|
1667 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1668 |
|
---|
1669 | #elif defined(RT_ARCH_ARM64)
|
---|
1670 | /* sxth dst, src */
|
---|
1671 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1672 | pu32CodeBuf[off++] = Armv8A64MkInstrSxth(iGprDst, iGprSrc);
|
---|
1673 |
|
---|
1674 | #else
|
---|
1675 | # error "port me"
|
---|
1676 | #endif
|
---|
1677 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1678 | return off;
|
---|
1679 | }
|
---|
1680 |
|
---|
1681 |
|
---|
1682 | /**
|
---|
1683 | * Sign-extends 16-bit value in @a iGprSrc into a 32-bit value in @a iGprDst.
|
---|
1684 | */
|
---|
1685 | DECL_INLINE_THROW(uint32_t)
|
---|
1686 | iemNativeEmitLoadGpr32SignExtendedFromGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1687 | {
|
---|
1688 | #ifdef RT_ARCH_AMD64
|
---|
1689 | /* movsx r64, r/m16 */
|
---|
1690 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1691 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1692 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1693 | pbCodeBuf[off++] = 0x0f;
|
---|
1694 | pbCodeBuf[off++] = 0xbf;
|
---|
1695 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1696 |
|
---|
1697 | #elif defined(RT_ARCH_ARM64)
|
---|
1698 | /* sxth dst32, src */
|
---|
1699 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1700 | pu32CodeBuf[off++] = Armv8A64MkInstrSxth(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1701 |
|
---|
1702 | #else
|
---|
1703 | # error "port me"
|
---|
1704 | #endif
|
---|
1705 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1706 | return off;
|
---|
1707 | }
|
---|
1708 |
|
---|
1709 |
|
---|
1710 | /**
|
---|
1711 | * Sign-extends 8-bit value in @a iGprSrc into a 64-bit value in @a iGprDst.
|
---|
1712 | */
|
---|
1713 | DECL_INLINE_THROW(uint32_t)
|
---|
1714 | iemNativeEmitLoadGprSignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1715 | {
|
---|
1716 | #ifdef RT_ARCH_AMD64
|
---|
1717 | /* movsx r64, r/m8 */
|
---|
1718 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1719 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1720 | pbCodeBuf[off++] = 0x0f;
|
---|
1721 | pbCodeBuf[off++] = 0xbe;
|
---|
1722 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1723 |
|
---|
1724 | #elif defined(RT_ARCH_ARM64)
|
---|
1725 | /* sxtb dst, src */
|
---|
1726 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1727 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc);
|
---|
1728 |
|
---|
1729 | #else
|
---|
1730 | # error "port me"
|
---|
1731 | #endif
|
---|
1732 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1733 | return off;
|
---|
1734 | }
|
---|
1735 |
|
---|
1736 |
|
---|
1737 | /**
|
---|
1738 | * Sign-extends 8-bit value in @a iGprSrc into a 32-bit value in @a iGprDst.
|
---|
1739 | * @note Bits 63 thru 32 are cleared.
|
---|
1740 | */
|
---|
1741 | DECL_INLINE_THROW(uint32_t)
|
---|
1742 | iemNativeEmitLoadGpr32SignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1743 | {
|
---|
1744 | #ifdef RT_ARCH_AMD64
|
---|
1745 | /* movsx r32, r/m8 */
|
---|
1746 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
1747 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1748 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1749 | else if (iGprSrc >= 4)
|
---|
1750 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
1751 | pbCodeBuf[off++] = 0x0f;
|
---|
1752 | pbCodeBuf[off++] = 0xbe;
|
---|
1753 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1754 |
|
---|
1755 | #elif defined(RT_ARCH_ARM64)
|
---|
1756 | /* sxtb dst32, src32 */
|
---|
1757 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1758 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1759 |
|
---|
1760 | #else
|
---|
1761 | # error "port me"
|
---|
1762 | #endif
|
---|
1763 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1764 | return off;
|
---|
1765 | }
|
---|
1766 |
|
---|
1767 |
|
---|
1768 | /**
|
---|
1769 | * Sign-extends 8-bit value in @a iGprSrc into a 16-bit value in @a iGprDst.
|
---|
1770 | * @note Bits 63 thru 16 are cleared.
|
---|
1771 | */
|
---|
1772 | DECL_INLINE_THROW(uint32_t)
|
---|
1773 | iemNativeEmitLoadGpr16SignExtendedFromGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
1774 | {
|
---|
1775 | #ifdef RT_ARCH_AMD64
|
---|
1776 | /* movsx r16, r/m8 */
|
---|
1777 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
1778 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
1779 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
1780 | pbCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1781 | else if (iGprSrc >= 4)
|
---|
1782 | pbCodeBuf[off++] = X86_OP_REX;
|
---|
1783 | pbCodeBuf[off++] = 0x0f;
|
---|
1784 | pbCodeBuf[off++] = 0xbe;
|
---|
1785 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
1786 |
|
---|
1787 | /* movzx r32, r/m16 */
|
---|
1788 | if (iGprDst >= 8)
|
---|
1789 | pbCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
1790 | pbCodeBuf[off++] = 0x0f;
|
---|
1791 | pbCodeBuf[off++] = 0xb7;
|
---|
1792 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
1793 |
|
---|
1794 | #elif defined(RT_ARCH_ARM64)
|
---|
1795 | /* sxtb dst32, src32; and dst32, dst32, #0xffff */
|
---|
1796 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
1797 | pu32CodeBuf[off++] = Armv8A64MkInstrSxtb(iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
1798 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
1799 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
1800 |
|
---|
1801 | #else
|
---|
1802 | # error "port me"
|
---|
1803 | #endif
|
---|
1804 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1805 | return off;
|
---|
1806 | }
|
---|
1807 |
|
---|
1808 |
|
---|
1809 | /**
|
---|
1810 | * Emits a gprdst = gprsrc + addend load.
|
---|
1811 | * @note The added is 32-bit for AMD64 and 64-bit for ARM64.
|
---|
1812 | */
|
---|
1813 | #ifdef RT_ARCH_AMD64
|
---|
1814 | DECL_INLINE_THROW(uint32_t)
|
---|
1815 | iemNativeEmitLoadGprFromGprWithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1816 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1817 | {
|
---|
1818 | Assert(iAddend != 0);
|
---|
1819 |
|
---|
1820 | /* lea gprdst, [gprsrc + iAddend] */
|
---|
1821 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
1822 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst >= 8 ? X86_OP_REX_R : 0) | (iGprSrc >= 8 ? X86_OP_REX_B : 0);
|
---|
1823 | pbCodeBuf[off++] = 0x8d;
|
---|
1824 | off = iemNativeEmitGprByGprDisp(pbCodeBuf, off, iGprDst, iGprSrc, iAddend);
|
---|
1825 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1826 | return off;
|
---|
1827 | }
|
---|
1828 |
|
---|
1829 | #elif defined(RT_ARCH_ARM64)
|
---|
1830 | DECL_INLINE_THROW(uint32_t)
|
---|
1831 | iemNativeEmitLoadGprFromGprWithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1832 | uint8_t iGprDst, uint8_t iGprSrc, int64_t iAddend)
|
---|
1833 | {
|
---|
1834 | if ((uint32_t)iAddend < 4096)
|
---|
1835 | {
|
---|
1836 | /* add dst, src, uimm12 */
|
---|
1837 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1838 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprSrc, (uint32_t)iAddend);
|
---|
1839 | }
|
---|
1840 | else if ((uint32_t)-iAddend < 4096)
|
---|
1841 | {
|
---|
1842 | /* sub dst, src, uimm12 */
|
---|
1843 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1844 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprSrc, (uint32_t)-iAddend);
|
---|
1845 | }
|
---|
1846 | else
|
---|
1847 | {
|
---|
1848 | Assert(iGprSrc != iGprDst);
|
---|
1849 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, iAddend);
|
---|
1850 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1851 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprSrc, iGprDst);
|
---|
1852 | }
|
---|
1853 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1854 | return off;
|
---|
1855 | }
|
---|
1856 | #else
|
---|
1857 | # error "port me"
|
---|
1858 | #endif
|
---|
1859 |
|
---|
1860 | /**
|
---|
1861 | * Emits a gprdst = gprsrc + addend load, accepting iAddend == 0.
|
---|
1862 | * @note The added is 32-bit for AMD64 and 64-bit for ARM64.
|
---|
1863 | */
|
---|
1864 | #ifdef RT_ARCH_AMD64
|
---|
1865 | DECL_INLINE_THROW(uint32_t)
|
---|
1866 | iemNativeEmitLoadGprFromGprWithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1867 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1868 | #else
|
---|
1869 | DECL_INLINE_THROW(uint32_t)
|
---|
1870 | iemNativeEmitLoadGprFromGprWithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1871 | uint8_t iGprDst, uint8_t iGprSrc, int64_t iAddend)
|
---|
1872 | #endif
|
---|
1873 | {
|
---|
1874 | if (iAddend != 0)
|
---|
1875 | return iemNativeEmitLoadGprFromGprWithAddend(pReNative, off, iGprDst, iGprSrc, iAddend);
|
---|
1876 | return iemNativeEmitLoadGprFromGpr(pReNative, off, iGprDst, iGprSrc);
|
---|
1877 | }
|
---|
1878 |
|
---|
1879 |
|
---|
1880 | /**
|
---|
1881 | * Emits a gprdst = gprsrc32 + addend load.
|
---|
1882 | * @note Bits 63 thru 32 are cleared.
|
---|
1883 | */
|
---|
1884 | DECL_INLINE_THROW(uint32_t)
|
---|
1885 | iemNativeEmitLoadGprFromGpr32WithAddend(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1886 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1887 | {
|
---|
1888 | Assert(iAddend != 0);
|
---|
1889 |
|
---|
1890 | #ifdef RT_ARCH_AMD64
|
---|
1891 | /* a32 o32 lea gprdst, [gprsrc + iAddend] */
|
---|
1892 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
1893 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_ADDR;
|
---|
1894 | if ((iGprDst | iGprSrc) >= 8)
|
---|
1895 | pbCodeBuf[off++] = (iGprDst >= 8 ? X86_OP_REX_R : 0) | (iGprSrc >= 8 ? X86_OP_REX_B : 0);
|
---|
1896 | pbCodeBuf[off++] = 0x8d;
|
---|
1897 | off = iemNativeEmitGprByGprDisp(pbCodeBuf, off, iGprDst, iGprSrc, iAddend);
|
---|
1898 |
|
---|
1899 | #elif defined(RT_ARCH_ARM64)
|
---|
1900 | if ((uint32_t)iAddend < 4096)
|
---|
1901 | {
|
---|
1902 | /* add dst, src, uimm12 */
|
---|
1903 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1904 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprSrc, (uint32_t)iAddend, false /*f64Bit*/);
|
---|
1905 | }
|
---|
1906 | else if ((uint32_t)-iAddend < 4096)
|
---|
1907 | {
|
---|
1908 | /* sub dst, src, uimm12 */
|
---|
1909 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1910 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprSrc, (uint32_t)-iAddend, false /*f64Bit*/);
|
---|
1911 | }
|
---|
1912 | else
|
---|
1913 | {
|
---|
1914 | Assert(iGprSrc != iGprDst);
|
---|
1915 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, (int64_t)iAddend);
|
---|
1916 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
1917 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprSrc, iGprDst, false /*f64Bit*/);
|
---|
1918 | }
|
---|
1919 |
|
---|
1920 | #else
|
---|
1921 | # error "port me"
|
---|
1922 | #endif
|
---|
1923 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1924 | return off;
|
---|
1925 | }
|
---|
1926 |
|
---|
1927 |
|
---|
1928 | /**
|
---|
1929 | * Emits a gprdst = gprsrc32 + addend load, accepting iAddend == 0.
|
---|
1930 | */
|
---|
1931 | DECL_INLINE_THROW(uint32_t)
|
---|
1932 | iemNativeEmitLoadGprFromGpr32WithAddendMaybeZero(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
1933 | uint8_t iGprDst, uint8_t iGprSrc, int32_t iAddend)
|
---|
1934 | {
|
---|
1935 | if (iAddend != 0)
|
---|
1936 | return iemNativeEmitLoadGprFromGpr32WithAddend(pReNative, off, iGprDst, iGprSrc, iAddend);
|
---|
1937 | return iemNativeEmitLoadGprFromGpr32(pReNative, off, iGprDst, iGprSrc);
|
---|
1938 | }
|
---|
1939 |
|
---|
1940 |
|
---|
1941 | /**
|
---|
1942 | * Emits a gprdst[15:0] = gprsrc[15:0], preserving all other bits in the
|
---|
1943 | * destination.
|
---|
1944 | */
|
---|
1945 | DECL_FORCE_INLINE(uint32_t)
|
---|
1946 | iemNativeEmitGprMergeInGpr16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t idxDst, uint8_t idxSrc)
|
---|
1947 | {
|
---|
1948 | #ifdef RT_ARCH_AMD64
|
---|
1949 | /* mov reg16, r/m16 */
|
---|
1950 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
1951 | if (idxDst >= 8 || idxSrc >= 8)
|
---|
1952 | pCodeBuf[off++] = (idxDst < 8 ? 0 : X86_OP_REX_R) | (idxSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
1953 | pCodeBuf[off++] = 0x8b;
|
---|
1954 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, idxDst & 7, idxSrc & 7);
|
---|
1955 |
|
---|
1956 | #elif defined(RT_ARCH_ARM64)
|
---|
1957 | /* bfi w1, w2, 0, 16 - moves bits 15:0 from idxSrc to idxDst bits 15:0. */
|
---|
1958 | pCodeBuf[off++] = Armv8A64MkInstrBfi(idxDst, idxSrc, 0, 16);
|
---|
1959 |
|
---|
1960 | #else
|
---|
1961 | # error "Port me!"
|
---|
1962 | #endif
|
---|
1963 | return off;
|
---|
1964 | }
|
---|
1965 |
|
---|
1966 |
|
---|
1967 | /**
|
---|
1968 | * Emits a gprdst[15:0] = gprsrc[15:0], preserving all other bits in the
|
---|
1969 | * destination.
|
---|
1970 | */
|
---|
1971 | DECL_INLINE_THROW(uint32_t)
|
---|
1972 | iemNativeEmitGprMergeInGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxDst, uint8_t idxSrc)
|
---|
1973 | {
|
---|
1974 | #ifdef RT_ARCH_AMD64
|
---|
1975 | off = iemNativeEmitGprMergeInGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, idxDst, idxSrc);
|
---|
1976 | #elif defined(RT_ARCH_ARM64)
|
---|
1977 | off = iemNativeEmitGprMergeInGpr16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, idxDst, idxSrc);
|
---|
1978 | #else
|
---|
1979 | # error "Port me!"
|
---|
1980 | #endif
|
---|
1981 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
1982 | return off;
|
---|
1983 | }
|
---|
1984 |
|
---|
1985 |
|
---|
1986 | #ifdef RT_ARCH_AMD64
|
---|
1987 | /**
|
---|
1988 | * Common bit of iemNativeEmitLoadGprByBp and friends.
|
---|
1989 | */
|
---|
1990 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitGprByBpDisp(uint8_t *pbCodeBuf, uint32_t off, uint8_t iGprReg, int32_t offDisp,
|
---|
1991 | PIEMRECOMPILERSTATE pReNativeAssert)
|
---|
1992 | {
|
---|
1993 | if (offDisp < 128 && offDisp >= -128)
|
---|
1994 | {
|
---|
1995 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, iGprReg & 7, X86_GREG_xBP);
|
---|
1996 | pbCodeBuf[off++] = (uint8_t)(int8_t)offDisp;
|
---|
1997 | }
|
---|
1998 | else
|
---|
1999 | {
|
---|
2000 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, iGprReg & 7, X86_GREG_xBP);
|
---|
2001 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
2002 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
2003 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
2004 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
2005 | }
|
---|
2006 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNativeAssert, off); RT_NOREF(pReNativeAssert);
|
---|
2007 | return off;
|
---|
2008 | }
|
---|
2009 | #elif defined(RT_ARCH_ARM64)
|
---|
2010 | /**
|
---|
2011 | * Common bit of iemNativeEmitLoadGprByBp and friends.
|
---|
2012 | */
|
---|
2013 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2014 | iemNativeEmitGprByBpLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
2015 | int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
2016 | {
|
---|
2017 | if ((uint32_t)offDisp < 4096U * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2018 | {
|
---|
2019 | /* str w/ unsigned imm12 (scaled) */
|
---|
2020 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2021 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, ARMV8_A64_REG_BP, (uint32_t)offDisp / cbData);
|
---|
2022 | }
|
---|
2023 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
2024 | {
|
---|
2025 | /* stur w/ signed imm9 (unscaled) */
|
---|
2026 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2027 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(enmOperation, iGprReg, ARMV8_A64_REG_BP, offDisp);
|
---|
2028 | }
|
---|
2029 | else
|
---|
2030 | {
|
---|
2031 | /* Use temporary indexing register. */
|
---|
2032 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
2033 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2034 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, ARMV8_A64_REG_BP,
|
---|
2035 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2036 | }
|
---|
2037 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2038 | return off;
|
---|
2039 | }
|
---|
2040 | #endif
|
---|
2041 |
|
---|
2042 |
|
---|
2043 | /**
|
---|
2044 | * Emits a 64-bit GRP load instruction with an BP relative source address.
|
---|
2045 | */
|
---|
2046 | DECL_INLINE_THROW(uint32_t)
|
---|
2047 | iemNativeEmitLoadGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2048 | {
|
---|
2049 | #ifdef RT_ARCH_AMD64
|
---|
2050 | /* mov gprdst, qword [rbp + offDisp] */
|
---|
2051 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2052 | if (iGprDst < 8)
|
---|
2053 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2054 | else
|
---|
2055 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2056 | pbCodeBuf[off++] = 0x8b;
|
---|
2057 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2058 |
|
---|
2059 | #elif defined(RT_ARCH_ARM64)
|
---|
2060 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
2061 |
|
---|
2062 | #else
|
---|
2063 | # error "port me"
|
---|
2064 | #endif
|
---|
2065 | }
|
---|
2066 |
|
---|
2067 |
|
---|
2068 | /**
|
---|
2069 | * Emits a 32-bit GRP load instruction with an BP relative source address.
|
---|
2070 | * @note Bits 63 thru 32 of the GPR will be cleared.
|
---|
2071 | */
|
---|
2072 | DECL_INLINE_THROW(uint32_t)
|
---|
2073 | iemNativeEmitLoadGprByBpU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2074 | {
|
---|
2075 | #ifdef RT_ARCH_AMD64
|
---|
2076 | /* mov gprdst, dword [rbp + offDisp] */
|
---|
2077 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2078 | if (iGprDst >= 8)
|
---|
2079 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2080 | pbCodeBuf[off++] = 0x8b;
|
---|
2081 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2082 |
|
---|
2083 | #elif defined(RT_ARCH_ARM64)
|
---|
2084 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
2085 |
|
---|
2086 | #else
|
---|
2087 | # error "port me"
|
---|
2088 | #endif
|
---|
2089 | }
|
---|
2090 |
|
---|
2091 |
|
---|
2092 | /**
|
---|
2093 | * Emits a 16-bit GRP load instruction with an BP relative source address.
|
---|
2094 | * @note Bits 63 thru 16 of the GPR will be cleared.
|
---|
2095 | */
|
---|
2096 | DECL_INLINE_THROW(uint32_t)
|
---|
2097 | iemNativeEmitLoadGprByBpU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2098 | {
|
---|
2099 | #ifdef RT_ARCH_AMD64
|
---|
2100 | /* movzx gprdst, word [rbp + offDisp] */
|
---|
2101 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2102 | if (iGprDst >= 8)
|
---|
2103 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2104 | pbCodeBuf[off++] = 0x0f;
|
---|
2105 | pbCodeBuf[off++] = 0xb7;
|
---|
2106 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2107 |
|
---|
2108 | #elif defined(RT_ARCH_ARM64)
|
---|
2109 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Half, sizeof(uint32_t));
|
---|
2110 |
|
---|
2111 | #else
|
---|
2112 | # error "port me"
|
---|
2113 | #endif
|
---|
2114 | }
|
---|
2115 |
|
---|
2116 |
|
---|
2117 | /**
|
---|
2118 | * Emits a 8-bit GRP load instruction with an BP relative source address.
|
---|
2119 | * @note Bits 63 thru 8 of the GPR will be cleared.
|
---|
2120 | */
|
---|
2121 | DECL_INLINE_THROW(uint32_t)
|
---|
2122 | iemNativeEmitLoadGprByBpU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2123 | {
|
---|
2124 | #ifdef RT_ARCH_AMD64
|
---|
2125 | /* movzx gprdst, byte [rbp + offDisp] */
|
---|
2126 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2127 | if (iGprDst >= 8)
|
---|
2128 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2129 | pbCodeBuf[off++] = 0x0f;
|
---|
2130 | pbCodeBuf[off++] = 0xb6;
|
---|
2131 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2132 |
|
---|
2133 | #elif defined(RT_ARCH_ARM64)
|
---|
2134 | return iemNativeEmitGprByBpLdSt(pReNative, off, iGprDst, offDisp, kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint32_t));
|
---|
2135 |
|
---|
2136 | #else
|
---|
2137 | # error "port me"
|
---|
2138 | #endif
|
---|
2139 | }
|
---|
2140 |
|
---|
2141 |
|
---|
2142 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2143 | /**
|
---|
2144 | * Emits a 128-bit vector register load instruction with an BP relative source address.
|
---|
2145 | */
|
---|
2146 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2147 | iemNativeEmitLoadVecRegByBpU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, int32_t offDisp)
|
---|
2148 | {
|
---|
2149 | #ifdef RT_ARCH_AMD64
|
---|
2150 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 9);
|
---|
2151 |
|
---|
2152 | /* movdqu reg128, mem128 */
|
---|
2153 | pbCodeBuf[off++] = 0xf3;
|
---|
2154 | if (iVecRegDst >= 8)
|
---|
2155 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2156 | pbCodeBuf[off++] = 0x0f;
|
---|
2157 | pbCodeBuf[off++] = 0x6f;
|
---|
2158 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegDst, offDisp, pReNative);
|
---|
2159 | #elif defined(RT_ARCH_ARM64)
|
---|
2160 | return iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2161 | #else
|
---|
2162 | # error "port me"
|
---|
2163 | #endif
|
---|
2164 | }
|
---|
2165 |
|
---|
2166 |
|
---|
2167 | /**
|
---|
2168 | * Emits a 256-bit vector register load instruction with an BP relative source address.
|
---|
2169 | */
|
---|
2170 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2171 | iemNativeEmitLoadVecRegByBpU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, int32_t offDisp)
|
---|
2172 | {
|
---|
2173 | #ifdef RT_ARCH_AMD64
|
---|
2174 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2175 |
|
---|
2176 | /* vmovdqu reg256, mem256 */
|
---|
2177 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
2178 | pbCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE_NO_VVVV(iVecRegDst >= 8, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
2179 | pbCodeBuf[off++] = 0x6f;
|
---|
2180 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegDst, offDisp, pReNative);
|
---|
2181 | #elif defined(RT_ARCH_ARM64)
|
---|
2182 | /* ASSUMES two consecutive vector registers for the 256-bit value. */
|
---|
2183 | Assert(!(iVecRegDst & 0x1));
|
---|
2184 | off = iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2185 | return iemNativeEmitGprByBpLdSt(pReNative, off, iVecRegDst + 1, offDisp + sizeof(RTUINT128U), kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
2186 | #else
|
---|
2187 | # error "port me"
|
---|
2188 | #endif
|
---|
2189 | }
|
---|
2190 |
|
---|
2191 | #endif
|
---|
2192 |
|
---|
2193 |
|
---|
2194 | /**
|
---|
2195 | * Emits a load effective address to a GRP with an BP relative source address.
|
---|
2196 | */
|
---|
2197 | DECL_INLINE_THROW(uint32_t)
|
---|
2198 | iemNativeEmitLeaGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t offDisp)
|
---|
2199 | {
|
---|
2200 | #ifdef RT_ARCH_AMD64
|
---|
2201 | /* lea gprdst, [rbp + offDisp] */
|
---|
2202 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2203 | if (iGprDst < 8)
|
---|
2204 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2205 | else
|
---|
2206 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2207 | pbCodeBuf[off++] = 0x8d;
|
---|
2208 | off = iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprDst, offDisp, pReNative);
|
---|
2209 |
|
---|
2210 | #elif defined(RT_ARCH_ARM64)
|
---|
2211 | if ((uint32_t)offDisp < (unsigned)_4K)
|
---|
2212 | {
|
---|
2213 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2214 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, ARMV8_A64_REG_BP, (uint32_t)offDisp);
|
---|
2215 | }
|
---|
2216 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2217 | {
|
---|
2218 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2219 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2220 | }
|
---|
2221 | else
|
---|
2222 | {
|
---|
2223 | Assert(iGprDst != IEMNATIVE_REG_FIXED_PVMCPU);
|
---|
2224 | off = iemNativeEmitLoadGprImm64(pReNative, off, iGprDst, offDisp >= 0 ? (uint32_t)offDisp : (uint32_t)-offDisp);
|
---|
2225 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2226 | if (offDisp >= 0)
|
---|
2227 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, ARMV8_A64_REG_BP, iGprDst);
|
---|
2228 | else
|
---|
2229 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(true /*fSub*/, iGprDst, ARMV8_A64_REG_BP, iGprDst);
|
---|
2230 | }
|
---|
2231 |
|
---|
2232 | #else
|
---|
2233 | # error "port me"
|
---|
2234 | #endif
|
---|
2235 |
|
---|
2236 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2237 | return off;
|
---|
2238 | }
|
---|
2239 |
|
---|
2240 |
|
---|
2241 | /**
|
---|
2242 | * Emits a 64-bit GPR store with an BP relative destination address.
|
---|
2243 | *
|
---|
2244 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2245 | */
|
---|
2246 | DECL_INLINE_THROW(uint32_t)
|
---|
2247 | iemNativeEmitStoreGprByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iGprSrc)
|
---|
2248 | {
|
---|
2249 | #ifdef RT_ARCH_AMD64
|
---|
2250 | /* mov qword [rbp + offDisp], gprdst */
|
---|
2251 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2252 | if (iGprSrc < 8)
|
---|
2253 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2254 | else
|
---|
2255 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_R;
|
---|
2256 | pbCodeBuf[off++] = 0x89;
|
---|
2257 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iGprSrc, offDisp, pReNative);
|
---|
2258 |
|
---|
2259 | #elif defined(RT_ARCH_ARM64)
|
---|
2260 | if (offDisp >= 0 && offDisp < 4096 * 8 && !((uint32_t)offDisp & 7))
|
---|
2261 | {
|
---|
2262 | /* str w/ unsigned imm12 (scaled) */
|
---|
2263 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2264 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, iGprSrc,
|
---|
2265 | ARMV8_A64_REG_BP, (uint32_t)offDisp / 8);
|
---|
2266 | }
|
---|
2267 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
2268 | {
|
---|
2269 | /* stur w/ signed imm9 (unscaled) */
|
---|
2270 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2271 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(kArmv8A64InstrLdStType_St_Dword, iGprSrc, ARMV8_A64_REG_BP, offDisp);
|
---|
2272 | }
|
---|
2273 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2274 | {
|
---|
2275 | /* Use temporary indexing register w/ sub uimm12. */
|
---|
2276 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
2277 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, IEMNATIVE_REG_FIXED_TMP0,
|
---|
2278 | ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2279 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Dword, iGprSrc, IEMNATIVE_REG_FIXED_TMP0, 0);
|
---|
2280 | }
|
---|
2281 | else
|
---|
2282 | {
|
---|
2283 | /* Use temporary indexing register. */
|
---|
2284 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
2285 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2286 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Dword, iGprSrc, ARMV8_A64_REG_BP,
|
---|
2287 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2288 | }
|
---|
2289 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2290 | return off;
|
---|
2291 |
|
---|
2292 | #else
|
---|
2293 | # error "Port me!"
|
---|
2294 | #endif
|
---|
2295 | }
|
---|
2296 |
|
---|
2297 |
|
---|
2298 | /**
|
---|
2299 | * Emits a 64-bit immediate store with an BP relative destination address.
|
---|
2300 | *
|
---|
2301 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2302 | */
|
---|
2303 | DECL_INLINE_THROW(uint32_t)
|
---|
2304 | iemNativeEmitStoreImm64ByBp(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint64_t uImm64)
|
---|
2305 | {
|
---|
2306 | #ifdef RT_ARCH_AMD64
|
---|
2307 | if ((int64_t)uImm64 == (int32_t)uImm64)
|
---|
2308 | {
|
---|
2309 | /* mov qword [rbp + offDisp], imm32 - sign extended */
|
---|
2310 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 11);
|
---|
2311 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
2312 | pbCodeBuf[off++] = 0xc7;
|
---|
2313 | if (offDisp < 128 && offDisp >= -128)
|
---|
2314 | {
|
---|
2315 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM1, 0, X86_GREG_xBP);
|
---|
2316 | pbCodeBuf[off++] = (uint8_t)offDisp;
|
---|
2317 | }
|
---|
2318 | else
|
---|
2319 | {
|
---|
2320 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_MEM4, 0, X86_GREG_xBP);
|
---|
2321 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
2322 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
2323 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
2324 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
2325 | }
|
---|
2326 | pbCodeBuf[off++] = RT_BYTE1(uImm64);
|
---|
2327 | pbCodeBuf[off++] = RT_BYTE2(uImm64);
|
---|
2328 | pbCodeBuf[off++] = RT_BYTE3(uImm64);
|
---|
2329 | pbCodeBuf[off++] = RT_BYTE4(uImm64);
|
---|
2330 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2331 | return off;
|
---|
2332 | }
|
---|
2333 | #endif
|
---|
2334 |
|
---|
2335 | /* Load tmp0, imm64; Store tmp to bp+disp. */
|
---|
2336 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, uImm64);
|
---|
2337 | return iemNativeEmitStoreGprByBp(pReNative, off, offDisp, IEMNATIVE_REG_FIXED_TMP0);
|
---|
2338 | }
|
---|
2339 |
|
---|
2340 |
|
---|
2341 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2342 | /**
|
---|
2343 | * Emits a 128-bit vector register store with an BP relative destination address.
|
---|
2344 | *
|
---|
2345 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2346 | */
|
---|
2347 | DECL_INLINE_THROW(uint32_t)
|
---|
2348 | iemNativeEmitStoreVecRegByBpU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iVecRegSrc)
|
---|
2349 | {
|
---|
2350 | #ifdef RT_ARCH_AMD64
|
---|
2351 | /* movdqu [rbp + offDisp], vecsrc */
|
---|
2352 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
2353 | pbCodeBuf[off++] = 0xf3;
|
---|
2354 | if (iVecRegSrc >= 8)
|
---|
2355 | pbCodeBuf[off++] = X86_OP_REX_R;
|
---|
2356 | pbCodeBuf[off++] = 0x0f;
|
---|
2357 | pbCodeBuf[off++] = 0x7f;
|
---|
2358 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegSrc, offDisp, pReNative);
|
---|
2359 |
|
---|
2360 | #elif defined(RT_ARCH_ARM64)
|
---|
2361 | if (offDisp >= 0 && offDisp < 4096 * 8 && !((uint32_t)offDisp & 7))
|
---|
2362 | {
|
---|
2363 | /* str w/ unsigned imm12 (scaled) */
|
---|
2364 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2365 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc,
|
---|
2366 | ARMV8_A64_REG_BP, (uint32_t)offDisp / 8);
|
---|
2367 | }
|
---|
2368 | else if (offDisp >= -256 && offDisp <= 256)
|
---|
2369 | {
|
---|
2370 | /* stur w/ signed imm9 (unscaled) */
|
---|
2371 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2372 | pu32CodeBuf[off++] = Armv8A64MkInstrSturLdur(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, ARMV8_A64_REG_BP, offDisp);
|
---|
2373 | }
|
---|
2374 | else if ((uint32_t)-offDisp < (unsigned)_4K)
|
---|
2375 | {
|
---|
2376 | /* Use temporary indexing register w/ sub uimm12. */
|
---|
2377 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
2378 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, IEMNATIVE_REG_FIXED_TMP0,
|
---|
2379 | ARMV8_A64_REG_BP, (uint32_t)-offDisp);
|
---|
2380 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, IEMNATIVE_REG_FIXED_TMP0, 0);
|
---|
2381 | }
|
---|
2382 | else
|
---|
2383 | {
|
---|
2384 | /* Use temporary indexing register. */
|
---|
2385 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, (uint32_t)offDisp);
|
---|
2386 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2387 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(kArmv8A64InstrLdStType_St_Vr_128, iVecRegSrc, ARMV8_A64_REG_BP,
|
---|
2388 | IEMNATIVE_REG_FIXED_TMP0, kArmv8A64InstrLdStExtend_Sxtw);
|
---|
2389 | }
|
---|
2390 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2391 | return off;
|
---|
2392 |
|
---|
2393 | #else
|
---|
2394 | # error "Port me!"
|
---|
2395 | #endif
|
---|
2396 | }
|
---|
2397 |
|
---|
2398 |
|
---|
2399 | /**
|
---|
2400 | * Emits a 256-bit vector register store with an BP relative destination address.
|
---|
2401 | *
|
---|
2402 | * @note May trash IEMNATIVE_REG_FIXED_TMP0.
|
---|
2403 | */
|
---|
2404 | DECL_INLINE_THROW(uint32_t)
|
---|
2405 | iemNativeEmitStoreVecRegByBpU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, int32_t offDisp, uint8_t iVecRegSrc)
|
---|
2406 | {
|
---|
2407 | #ifdef RT_ARCH_AMD64
|
---|
2408 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 8);
|
---|
2409 |
|
---|
2410 | /* vmovdqu mem256, reg256 */
|
---|
2411 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
2412 | pbCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE_NO_VVVV(iVecRegSrc >= 8, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
2413 | pbCodeBuf[off++] = 0x7f;
|
---|
2414 | return iemNativeEmitGprByBpDisp(pbCodeBuf, off, iVecRegSrc, offDisp, pReNative);
|
---|
2415 | #elif defined(RT_ARCH_ARM64)
|
---|
2416 | Assert(!(iVecRegSrc & 0x1));
|
---|
2417 | off = iemNativeEmitStoreVecRegByBpU128(pReNative, off, offDisp, iVecRegSrc);
|
---|
2418 | return iemNativeEmitStoreVecRegByBpU128(pReNative, off, offDisp + sizeof(RTUINT128U), iVecRegSrc + 1);
|
---|
2419 | #else
|
---|
2420 | # error "Port me!"
|
---|
2421 | #endif
|
---|
2422 | }
|
---|
2423 | #endif
|
---|
2424 |
|
---|
2425 | #if defined(RT_ARCH_ARM64)
|
---|
2426 |
|
---|
2427 | /**
|
---|
2428 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
2429 | *
|
---|
2430 | * @note Odd and large @a offDisp values requires a temporary, unless it's a
|
---|
2431 | * load and @a iGprReg differs from @a iGprBase. Will assert / throw if
|
---|
2432 | * caller does not heed this.
|
---|
2433 | *
|
---|
2434 | * @note DON'T try this with prefetch.
|
---|
2435 | */
|
---|
2436 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2437 | iemNativeEmitGprByGprLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprReg, uint8_t iGprBase, int32_t offDisp,
|
---|
2438 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
2439 | {
|
---|
2440 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2441 | {
|
---|
2442 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2443 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2444 | }
|
---|
2445 | else if ( ( !ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation)
|
---|
2446 | && iGprReg != iGprBase)
|
---|
2447 | || iGprTmp != UINT8_MAX)
|
---|
2448 | {
|
---|
2449 | /* The offset is too large, so we must load it into a register and use
|
---|
2450 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2451 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2452 | if (iGprTmp == UINT8_MAX)
|
---|
2453 | iGprTmp = iGprReg;
|
---|
2454 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (int64_t)offDisp);
|
---|
2455 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, iGprBase, iGprTmp);
|
---|
2456 | }
|
---|
2457 | else
|
---|
2458 | # ifdef IEM_WITH_THROW_CATCH
|
---|
2459 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
2460 | # else
|
---|
2461 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
2462 | # endif
|
---|
2463 | return off;
|
---|
2464 | }
|
---|
2465 |
|
---|
2466 | /**
|
---|
2467 | * Common bit of iemNativeEmitLoadGprFromVCpuU64 and friends.
|
---|
2468 | */
|
---|
2469 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2470 | iemNativeEmitGprByGprLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprReg,
|
---|
2471 | uint8_t iGprBase, int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
2472 | {
|
---|
2473 | /*
|
---|
2474 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
2475 | * try use those if we can, otherwise we have to use the temporary register
|
---|
2476 | * help with the addressing.
|
---|
2477 | */
|
---|
2478 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2479 | {
|
---|
2480 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2481 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2482 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iGprReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2483 | }
|
---|
2484 | else
|
---|
2485 | {
|
---|
2486 | /* The offset is too large, so we must load it into a register and use
|
---|
2487 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2488 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2489 | uint8_t const idxTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (int64_t)offDisp);
|
---|
2490 |
|
---|
2491 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2492 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iGprReg, iGprBase, idxTmpReg);
|
---|
2493 |
|
---|
2494 | iemNativeRegFreeTmpImm(pReNative, idxTmpReg);
|
---|
2495 | }
|
---|
2496 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2497 | return off;
|
---|
2498 | }
|
---|
2499 |
|
---|
2500 | # ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2501 | /**
|
---|
2502 | * Common bit of iemNativeEmitLoadVecRegByGprU128 and friends.
|
---|
2503 | *
|
---|
2504 | * @note Odd and large @a offDisp values requires a temporary, unless it's a
|
---|
2505 | * load and @a iGprReg differs from @a iGprBase. Will assert / throw if
|
---|
2506 | * caller does not heed this.
|
---|
2507 | *
|
---|
2508 | * @note DON'T try this with prefetch.
|
---|
2509 | */
|
---|
2510 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2511 | iemNativeEmitVecRegByGprLdStEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint8_t iGprBase, int32_t offDisp,
|
---|
2512 | ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData, uint8_t iGprTmp = UINT8_MAX)
|
---|
2513 | {
|
---|
2514 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2515 | {
|
---|
2516 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2517 | pCodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iVecReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2518 | }
|
---|
2519 | else if ( !ARMV8A64INSTRLDSTTYPE_IS_STORE(enmOperation)
|
---|
2520 | || iGprTmp != UINT8_MAX)
|
---|
2521 | {
|
---|
2522 | /* The offset is too large, so we must load it into a register and use
|
---|
2523 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2524 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2525 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (int64_t)offDisp);
|
---|
2526 | pCodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iVecReg, iGprBase, iGprTmp);
|
---|
2527 | }
|
---|
2528 | else
|
---|
2529 | # ifdef IEM_WITH_THROW_CATCH
|
---|
2530 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
2531 | # else
|
---|
2532 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
2533 | # endif
|
---|
2534 | return off;
|
---|
2535 | }
|
---|
2536 | # endif
|
---|
2537 |
|
---|
2538 |
|
---|
2539 | /**
|
---|
2540 | * Common bit of iemNativeEmitLoadVecRegByGprU128 and friends.
|
---|
2541 | */
|
---|
2542 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2543 | iemNativeEmitVecRegByGprLdSt(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg,
|
---|
2544 | uint8_t iGprBase, int32_t offDisp, ARMV8A64INSTRLDSTTYPE enmOperation, unsigned cbData)
|
---|
2545 | {
|
---|
2546 | /*
|
---|
2547 | * There are a couple of ldr variants that takes an immediate offset, so
|
---|
2548 | * try use those if we can, otherwise we have to use the temporary register
|
---|
2549 | * help with the addressing.
|
---|
2550 | */
|
---|
2551 | if ((uint32_t)offDisp < _4K * cbData && !((uint32_t)offDisp & (cbData - 1)))
|
---|
2552 | {
|
---|
2553 | /* Use the unsigned variant of ldr Wt, [<Xn|SP>, #off]. */
|
---|
2554 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2555 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRUOff(enmOperation, iVecReg, iGprBase, (uint32_t)offDisp / cbData);
|
---|
2556 | }
|
---|
2557 | else
|
---|
2558 | {
|
---|
2559 | /* The offset is too large, so we must load it into a register and use
|
---|
2560 | ldr Wt, [<Xn|SP>, (<Wm>|<Xm>)]. */
|
---|
2561 | /** @todo reduce by offVCpu by >> 3 or >> 2? if it saves instructions? */
|
---|
2562 | uint8_t const idxTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (int64_t)offDisp);
|
---|
2563 |
|
---|
2564 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
2565 | pu32CodeBuf[off++] = Armv8A64MkInstrStLdRegIdx(enmOperation, iVecReg, iGprBase, idxTmpReg);
|
---|
2566 |
|
---|
2567 | iemNativeRegFreeTmpImm(pReNative, idxTmpReg);
|
---|
2568 | }
|
---|
2569 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2570 | return off;
|
---|
2571 | }
|
---|
2572 | #endif /* RT_ARCH_ARM64 */
|
---|
2573 |
|
---|
2574 | /**
|
---|
2575 | * Emits a 64-bit GPR load via a GPR base address with a displacement.
|
---|
2576 | *
|
---|
2577 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2578 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
2579 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
2580 | * does not heed this.
|
---|
2581 | */
|
---|
2582 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2583 | iemNativeEmitLoadGprByGprU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2584 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2585 | {
|
---|
2586 | #ifdef RT_ARCH_AMD64
|
---|
2587 | /* mov reg64, mem64 */
|
---|
2588 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2589 | pCodeBuf[off++] = 0x8b;
|
---|
2590 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2591 | RT_NOREF(iGprTmp);
|
---|
2592 |
|
---|
2593 | #elif defined(RT_ARCH_ARM64)
|
---|
2594 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2595 | kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t), iGprTmp);
|
---|
2596 |
|
---|
2597 | #else
|
---|
2598 | # error "port me"
|
---|
2599 | #endif
|
---|
2600 | return off;
|
---|
2601 | }
|
---|
2602 |
|
---|
2603 |
|
---|
2604 | /**
|
---|
2605 | * Emits a 64-bit GPR load via a GPR base address with a displacement.
|
---|
2606 | */
|
---|
2607 | DECL_INLINE_THROW(uint32_t)
|
---|
2608 | iemNativeEmitLoadGprByGprU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprBase, int32_t offDisp)
|
---|
2609 | {
|
---|
2610 | #ifdef RT_ARCH_AMD64
|
---|
2611 | off = iemNativeEmitLoadGprByGprU64Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iGprDst, iGprBase, offDisp);
|
---|
2612 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2613 |
|
---|
2614 | #elif defined(RT_ARCH_ARM64)
|
---|
2615 | off = iemNativeEmitGprByGprLdSt(pReNative, off, iGprDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Dword, sizeof(uint64_t));
|
---|
2616 |
|
---|
2617 | #else
|
---|
2618 | # error "port me"
|
---|
2619 | #endif
|
---|
2620 | return off;
|
---|
2621 | }
|
---|
2622 |
|
---|
2623 |
|
---|
2624 | /**
|
---|
2625 | * Emits a 32-bit GPR load via a GPR base address with a displacement.
|
---|
2626 | *
|
---|
2627 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2628 | * -0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp)
|
---|
2629 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2630 | * caller does not heed this.
|
---|
2631 | *
|
---|
2632 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2633 | */
|
---|
2634 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2635 | iemNativeEmitLoadGprByGprU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2636 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2637 | {
|
---|
2638 | #ifdef RT_ARCH_AMD64
|
---|
2639 | /* mov reg32, mem32 */
|
---|
2640 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2641 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2642 | pCodeBuf[off++] = 0x8b;
|
---|
2643 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2644 | RT_NOREF(iGprTmp);
|
---|
2645 |
|
---|
2646 | #elif defined(RT_ARCH_ARM64)
|
---|
2647 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2648 | kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t), iGprTmp);
|
---|
2649 |
|
---|
2650 | #else
|
---|
2651 | # error "port me"
|
---|
2652 | #endif
|
---|
2653 | return off;
|
---|
2654 | }
|
---|
2655 |
|
---|
2656 |
|
---|
2657 | /**
|
---|
2658 | * Emits a 32-bit GPR load via a GPR base address with a displacement.
|
---|
2659 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2660 | */
|
---|
2661 | DECL_INLINE_THROW(uint32_t)
|
---|
2662 | iemNativeEmitLoadGprByGprU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprBase, int32_t offDisp)
|
---|
2663 | {
|
---|
2664 | #ifdef RT_ARCH_AMD64
|
---|
2665 | off = iemNativeEmitLoadGprByGprU32Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iGprDst, iGprBase, offDisp);
|
---|
2666 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
2667 |
|
---|
2668 | #elif defined(RT_ARCH_ARM64)
|
---|
2669 | off = iemNativeEmitGprByGprLdSt(pReNative, off, iGprDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Word, sizeof(uint32_t));
|
---|
2670 |
|
---|
2671 | #else
|
---|
2672 | # error "port me"
|
---|
2673 | #endif
|
---|
2674 | return off;
|
---|
2675 | }
|
---|
2676 |
|
---|
2677 |
|
---|
2678 | /**
|
---|
2679 | * Emits a 32-bit GPR load via a GPR base address with a displacement,
|
---|
2680 | * sign-extending the value to 64 bits.
|
---|
2681 | *
|
---|
2682 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2683 | * -0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp)
|
---|
2684 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2685 | * caller does not heed this.
|
---|
2686 | */
|
---|
2687 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2688 | iemNativeEmitLoadGprByGprU64SignExtendedFromS32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2689 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2690 | {
|
---|
2691 | #ifdef RT_ARCH_AMD64
|
---|
2692 | /* movsxd reg64, mem32 */
|
---|
2693 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2694 | pCodeBuf[off++] = 0x63;
|
---|
2695 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2696 | RT_NOREF(iGprTmp);
|
---|
2697 |
|
---|
2698 | #elif defined(RT_ARCH_ARM64)
|
---|
2699 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2700 | kArmv8A64InstrLdStType_Ld_SignWord64, sizeof(uint32_t), iGprTmp);
|
---|
2701 |
|
---|
2702 | #else
|
---|
2703 | # error "port me"
|
---|
2704 | #endif
|
---|
2705 | return off;
|
---|
2706 | }
|
---|
2707 |
|
---|
2708 |
|
---|
2709 | /**
|
---|
2710 | * Emits a 16-bit GPR load via a GPR base address with a displacement.
|
---|
2711 | *
|
---|
2712 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2713 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2714 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2715 | * caller does not heed this.
|
---|
2716 | *
|
---|
2717 | * @note Bits 63 thru 16 in @a iGprDst will be cleared.
|
---|
2718 | */
|
---|
2719 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2720 | iemNativeEmitLoadGprByGprU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2721 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2722 | {
|
---|
2723 | #ifdef RT_ARCH_AMD64
|
---|
2724 | /* movzx reg32, mem16 */
|
---|
2725 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2726 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2727 | pCodeBuf[off++] = 0x0f;
|
---|
2728 | pCodeBuf[off++] = 0xb7;
|
---|
2729 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2730 | RT_NOREF(iGprTmp);
|
---|
2731 |
|
---|
2732 | #elif defined(RT_ARCH_ARM64)
|
---|
2733 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2734 | kArmv8A64InstrLdStType_Ld_Half, sizeof(uint16_t), iGprTmp);
|
---|
2735 |
|
---|
2736 | #else
|
---|
2737 | # error "port me"
|
---|
2738 | #endif
|
---|
2739 | return off;
|
---|
2740 | }
|
---|
2741 |
|
---|
2742 |
|
---|
2743 | /**
|
---|
2744 | * Emits a 16-bit GPR load via a GPR base address with a displacement,
|
---|
2745 | * sign-extending the value to 64 bits.
|
---|
2746 | *
|
---|
2747 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2748 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2749 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2750 | * caller does not heed this.
|
---|
2751 | */
|
---|
2752 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2753 | iemNativeEmitLoadGprByGprU64SignExtendedFromS16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2754 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2755 | {
|
---|
2756 | #ifdef RT_ARCH_AMD64
|
---|
2757 | /* movsx reg64, mem16 */
|
---|
2758 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2759 | pCodeBuf[off++] = 0x0f;
|
---|
2760 | pCodeBuf[off++] = 0xbf;
|
---|
2761 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2762 | RT_NOREF(iGprTmp);
|
---|
2763 |
|
---|
2764 | #elif defined(RT_ARCH_ARM64)
|
---|
2765 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2766 | kArmv8A64InstrLdStType_Ld_SignHalf64, sizeof(uint16_t), iGprTmp);
|
---|
2767 |
|
---|
2768 | #else
|
---|
2769 | # error "port me"
|
---|
2770 | #endif
|
---|
2771 | return off;
|
---|
2772 | }
|
---|
2773 |
|
---|
2774 |
|
---|
2775 | /**
|
---|
2776 | * Emits a 16-bit GPR load via a GPR base address with a displacement,
|
---|
2777 | * sign-extending the value to 32 bits.
|
---|
2778 | *
|
---|
2779 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2780 | * -0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp)
|
---|
2781 | * if @a iGprReg and @a iGprBase are the same. Will assert / throw if
|
---|
2782 | * caller does not heed this.
|
---|
2783 | *
|
---|
2784 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2785 | */
|
---|
2786 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2787 | iemNativeEmitLoadGprByGprU32SignExtendedFromS16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2788 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2789 | {
|
---|
2790 | #ifdef RT_ARCH_AMD64
|
---|
2791 | /* movsx reg32, mem16 */
|
---|
2792 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2793 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2794 | pCodeBuf[off++] = 0x0f;
|
---|
2795 | pCodeBuf[off++] = 0xbf;
|
---|
2796 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2797 | RT_NOREF(iGprTmp);
|
---|
2798 |
|
---|
2799 | #elif defined(RT_ARCH_ARM64)
|
---|
2800 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2801 | kArmv8A64InstrLdStType_Ld_SignHalf32, sizeof(uint16_t), iGprTmp);
|
---|
2802 |
|
---|
2803 | #else
|
---|
2804 | # error "port me"
|
---|
2805 | #endif
|
---|
2806 | return off;
|
---|
2807 | }
|
---|
2808 |
|
---|
2809 |
|
---|
2810 | /**
|
---|
2811 | * Emits a 8-bit GPR load via a GPR base address with a displacement.
|
---|
2812 | *
|
---|
2813 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2814 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2815 | * same. Will assert / throw if caller does not heed this.
|
---|
2816 | *
|
---|
2817 | * @note Bits 63 thru 8 in @a iGprDst will be cleared.
|
---|
2818 | */
|
---|
2819 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2820 | iemNativeEmitLoadGprByGprU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2821 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2822 | {
|
---|
2823 | #ifdef RT_ARCH_AMD64
|
---|
2824 | /* movzx reg32, mem8 */
|
---|
2825 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2826 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2827 | pCodeBuf[off++] = 0x0f;
|
---|
2828 | pCodeBuf[off++] = 0xb6;
|
---|
2829 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2830 | RT_NOREF(iGprTmp);
|
---|
2831 |
|
---|
2832 | #elif defined(RT_ARCH_ARM64)
|
---|
2833 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2834 | kArmv8A64InstrLdStType_Ld_Byte, sizeof(uint8_t), iGprTmp);
|
---|
2835 |
|
---|
2836 | #else
|
---|
2837 | # error "port me"
|
---|
2838 | #endif
|
---|
2839 | return off;
|
---|
2840 | }
|
---|
2841 |
|
---|
2842 |
|
---|
2843 | /**
|
---|
2844 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2845 | * sign-extending the value to 64 bits.
|
---|
2846 | *
|
---|
2847 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2848 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2849 | * same. Will assert / throw if caller does not heed this.
|
---|
2850 | */
|
---|
2851 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2852 | iemNativeEmitLoadGprByGprU64SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2853 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2854 | {
|
---|
2855 | #ifdef RT_ARCH_AMD64
|
---|
2856 | /* movsx reg64, mem8 */
|
---|
2857 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2858 | pCodeBuf[off++] = 0x0f;
|
---|
2859 | pCodeBuf[off++] = 0xbe;
|
---|
2860 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2861 | RT_NOREF(iGprTmp);
|
---|
2862 |
|
---|
2863 | #elif defined(RT_ARCH_ARM64)
|
---|
2864 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2865 | kArmv8A64InstrLdStType_Ld_SignByte64, sizeof(uint8_t), iGprTmp);
|
---|
2866 |
|
---|
2867 | #else
|
---|
2868 | # error "port me"
|
---|
2869 | #endif
|
---|
2870 | return off;
|
---|
2871 | }
|
---|
2872 |
|
---|
2873 |
|
---|
2874 | /**
|
---|
2875 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2876 | * sign-extending the value to 32 bits.
|
---|
2877 | *
|
---|
2878 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2879 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2880 | * same. Will assert / throw if caller does not heed this.
|
---|
2881 | *
|
---|
2882 | * @note Bits 63 thru 32 in @a iGprDst will be cleared.
|
---|
2883 | */
|
---|
2884 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2885 | iemNativeEmitLoadGprByGprU32SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2886 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2887 | {
|
---|
2888 | #ifdef RT_ARCH_AMD64
|
---|
2889 | /* movsx reg32, mem8 */
|
---|
2890 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2891 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2892 | pCodeBuf[off++] = 0x0f;
|
---|
2893 | pCodeBuf[off++] = 0xbe;
|
---|
2894 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2895 | RT_NOREF(iGprTmp);
|
---|
2896 |
|
---|
2897 | #elif defined(RT_ARCH_ARM64)
|
---|
2898 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2899 | kArmv8A64InstrLdStType_Ld_SignByte32, sizeof(uint8_t), iGprTmp);
|
---|
2900 |
|
---|
2901 | #else
|
---|
2902 | # error "port me"
|
---|
2903 | #endif
|
---|
2904 | return off;
|
---|
2905 | }
|
---|
2906 |
|
---|
2907 |
|
---|
2908 | /**
|
---|
2909 | * Emits a 8-bit GPR load via a GPR base address with a displacement,
|
---|
2910 | * sign-extending the value to 16 bits.
|
---|
2911 | *
|
---|
2912 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
2913 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
2914 | * same. Will assert / throw if caller does not heed this.
|
---|
2915 | *
|
---|
2916 | * @note Bits 63 thru 16 in @a iGprDst will be cleared.
|
---|
2917 | */
|
---|
2918 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2919 | iemNativeEmitLoadGprByGprU16SignExtendedFromS8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprBase,
|
---|
2920 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2921 | {
|
---|
2922 | #ifdef RT_ARCH_AMD64
|
---|
2923 | /* movsx reg32, mem8 */
|
---|
2924 | if (iGprDst >= 8 || iGprBase >= 8)
|
---|
2925 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2926 | pCodeBuf[off++] = 0x0f;
|
---|
2927 | pCodeBuf[off++] = 0xbe;
|
---|
2928 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprDst, iGprBase, offDisp);
|
---|
2929 | # if 1 /** @todo use 'movzx reg32, reg16' instead of 'and reg32, 0ffffh' ? */
|
---|
2930 | /* and reg32, 0xffffh */
|
---|
2931 | if (iGprDst >= 8)
|
---|
2932 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
2933 | pCodeBuf[off++] = 0x81;
|
---|
2934 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
2935 | pCodeBuf[off++] = 0xff;
|
---|
2936 | pCodeBuf[off++] = 0xff;
|
---|
2937 | pCodeBuf[off++] = 0;
|
---|
2938 | pCodeBuf[off++] = 0;
|
---|
2939 | # else
|
---|
2940 | /* movzx reg32, reg16 */
|
---|
2941 | if (iGprDst >= 8)
|
---|
2942 | pCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
2943 | pCodeBuf[off++] = 0x0f;
|
---|
2944 | pCodeBuf[off++] = 0xb7;
|
---|
2945 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
2946 | # endif
|
---|
2947 | RT_NOREF(iGprTmp);
|
---|
2948 |
|
---|
2949 | #elif defined(RT_ARCH_ARM64)
|
---|
2950 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprDst, iGprBase, offDisp,
|
---|
2951 | kArmv8A64InstrLdStType_Ld_SignByte32, sizeof(uint8_t), iGprTmp);
|
---|
2952 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
2953 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*64Bit*/);
|
---|
2954 |
|
---|
2955 | #else
|
---|
2956 | # error "port me"
|
---|
2957 | #endif
|
---|
2958 | return off;
|
---|
2959 | }
|
---|
2960 |
|
---|
2961 |
|
---|
2962 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
2963 | /**
|
---|
2964 | * Emits a 128-bit vector register load via a GPR base address with a displacement.
|
---|
2965 | *
|
---|
2966 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
2967 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
2968 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
2969 | * does not heed this.
|
---|
2970 | */
|
---|
2971 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
2972 | iemNativeEmitLoadVecRegByGprU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
2973 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
2974 | {
|
---|
2975 | #ifdef RT_ARCH_AMD64
|
---|
2976 | /* movdqu reg128, mem128 */
|
---|
2977 | pCodeBuf[off++] = 0xf3;
|
---|
2978 | if (iVecRegDst >= 8 || iGprBase >= 8)
|
---|
2979 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
2980 | pCodeBuf[off++] = 0x0f;
|
---|
2981 | pCodeBuf[off++] = 0x6f;
|
---|
2982 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
2983 | RT_NOREF(iGprTmp);
|
---|
2984 |
|
---|
2985 | #elif defined(RT_ARCH_ARM64)
|
---|
2986 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
2987 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
2988 |
|
---|
2989 | #else
|
---|
2990 | # error "port me"
|
---|
2991 | #endif
|
---|
2992 | return off;
|
---|
2993 | }
|
---|
2994 |
|
---|
2995 |
|
---|
2996 | /**
|
---|
2997 | * Emits a 128-bit GPR load via a GPR base address with a displacement.
|
---|
2998 | */
|
---|
2999 | DECL_INLINE_THROW(uint32_t)
|
---|
3000 | iemNativeEmitLoadVecRegByGprU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3001 | {
|
---|
3002 | #ifdef RT_ARCH_AMD64
|
---|
3003 | off = iemNativeEmitLoadVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3004 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3005 |
|
---|
3006 | #elif defined(RT_ARCH_ARM64)
|
---|
3007 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
3008 |
|
---|
3009 | #else
|
---|
3010 | # error "port me"
|
---|
3011 | #endif
|
---|
3012 | return off;
|
---|
3013 | }
|
---|
3014 |
|
---|
3015 |
|
---|
3016 | /**
|
---|
3017 | * Emits a 256-bit vector register load via a GPR base address with a displacement.
|
---|
3018 | *
|
---|
3019 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3020 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3021 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3022 | * does not heed this.
|
---|
3023 | */
|
---|
3024 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3025 | iemNativeEmitLoadVecRegByGprU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
3026 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3027 | {
|
---|
3028 | #ifdef RT_ARCH_AMD64
|
---|
3029 | /* vmovdqu reg256, mem256 */
|
---|
3030 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
3031 | pCodeBuf[off++] = (iVecRegDst < 8 ? X86_OP_VEX3_BYTE1_R : 0)
|
---|
3032 | | X86_OP_VEX3_BYTE1_X
|
---|
3033 | | (iGprBase < 8 ? X86_OP_VEX3_BYTE1_B : 0)
|
---|
3034 | | UINT8_C(0x01);
|
---|
3035 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false /*f64BitOpSz*/, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
3036 | pCodeBuf[off++] = 0x6f;
|
---|
3037 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3038 | RT_NOREF(iGprTmp);
|
---|
3039 |
|
---|
3040 | #elif defined(RT_ARCH_ARM64)
|
---|
3041 | Assert(!(iVecRegDst & 0x1));
|
---|
3042 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3043 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3044 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3045 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3046 | #else
|
---|
3047 | # error "port me"
|
---|
3048 | #endif
|
---|
3049 | return off;
|
---|
3050 | }
|
---|
3051 |
|
---|
3052 |
|
---|
3053 | /**
|
---|
3054 | * Emits a 256-bit GPR load via a GPR base address with a displacement.
|
---|
3055 | */
|
---|
3056 | DECL_INLINE_THROW(uint32_t)
|
---|
3057 | iemNativeEmitLoadVecRegByGprU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3058 | {
|
---|
3059 | #ifdef RT_ARCH_AMD64
|
---|
3060 | off = iemNativeEmitLoadVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3061 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3062 |
|
---|
3063 | #elif defined(RT_ARCH_ARM64)
|
---|
3064 | Assert(!(iVecRegDst & 0x1));
|
---|
3065 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp,
|
---|
3066 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
3067 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3068 | kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
3069 |
|
---|
3070 | #else
|
---|
3071 | # error "port me"
|
---|
3072 | #endif
|
---|
3073 | return off;
|
---|
3074 | }
|
---|
3075 | #endif
|
---|
3076 |
|
---|
3077 |
|
---|
3078 | /**
|
---|
3079 | * Emits a 64-bit GPR store via a GPR base address with a displacement.
|
---|
3080 | *
|
---|
3081 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3082 | * 0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3083 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3084 | * does not heed this.
|
---|
3085 | */
|
---|
3086 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3087 | iemNativeEmitStoreGpr64ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3088 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3089 | {
|
---|
3090 | #ifdef RT_ARCH_AMD64
|
---|
3091 | /* mov mem64, reg64 */
|
---|
3092 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3093 | pCodeBuf[off++] = 0x89;
|
---|
3094 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3095 | RT_NOREF(iGprTmp);
|
---|
3096 |
|
---|
3097 | #elif defined(RT_ARCH_ARM64)
|
---|
3098 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3099 | kArmv8A64InstrLdStType_St_Dword, sizeof(uint64_t), iGprTmp);
|
---|
3100 |
|
---|
3101 | #else
|
---|
3102 | # error "port me"
|
---|
3103 | #endif
|
---|
3104 | return off;
|
---|
3105 | }
|
---|
3106 |
|
---|
3107 |
|
---|
3108 | /**
|
---|
3109 | * Emits a 32-bit GPR store via a GPR base address with a displacement.
|
---|
3110 | *
|
---|
3111 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3112 | * 0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp) if
|
---|
3113 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3114 | * does not heed this.
|
---|
3115 | */
|
---|
3116 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3117 | iemNativeEmitStoreGpr32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3118 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3119 | {
|
---|
3120 | #ifdef RT_ARCH_AMD64
|
---|
3121 | /* mov mem32, reg32 */
|
---|
3122 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3123 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3124 | pCodeBuf[off++] = 0x89;
|
---|
3125 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3126 | RT_NOREF(iGprTmp);
|
---|
3127 |
|
---|
3128 | #elif defined(RT_ARCH_ARM64)
|
---|
3129 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3130 | kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t), iGprTmp);
|
---|
3131 |
|
---|
3132 | #else
|
---|
3133 | # error "port me"
|
---|
3134 | #endif
|
---|
3135 | return off;
|
---|
3136 | }
|
---|
3137 |
|
---|
3138 |
|
---|
3139 | /**
|
---|
3140 | * Emits a 16-bit GPR store via a GPR base address with a displacement.
|
---|
3141 | *
|
---|
3142 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3143 | * 0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp) if
|
---|
3144 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3145 | * does not heed this.
|
---|
3146 | */
|
---|
3147 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3148 | iemNativeEmitStoreGpr16ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3149 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3150 | {
|
---|
3151 | #ifdef RT_ARCH_AMD64
|
---|
3152 | /* mov mem16, reg16 */
|
---|
3153 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3154 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3155 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3156 | pCodeBuf[off++] = 0x89;
|
---|
3157 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3158 | RT_NOREF(iGprTmp);
|
---|
3159 |
|
---|
3160 | #elif defined(RT_ARCH_ARM64)
|
---|
3161 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3162 | kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t), iGprTmp);
|
---|
3163 |
|
---|
3164 | #else
|
---|
3165 | # error "port me"
|
---|
3166 | #endif
|
---|
3167 | return off;
|
---|
3168 | }
|
---|
3169 |
|
---|
3170 |
|
---|
3171 | /**
|
---|
3172 | * Emits a 8-bit GPR store via a GPR base address with a displacement.
|
---|
3173 | *
|
---|
3174 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
3175 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
3176 | * same. Will assert / throw if caller does not heed this.
|
---|
3177 | */
|
---|
3178 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3179 | iemNativeEmitStoreGpr8ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iGprBase,
|
---|
3180 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3181 | {
|
---|
3182 | #ifdef RT_ARCH_AMD64
|
---|
3183 | /* mov mem8, reg8 */
|
---|
3184 | if (iGprSrc >= 8 || iGprBase >= 8)
|
---|
3185 | pCodeBuf[off++] = (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3186 | else if (iGprSrc >= 4)
|
---|
3187 | pCodeBuf[off++] = X86_OP_REX;
|
---|
3188 | pCodeBuf[off++] = 0x88;
|
---|
3189 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iGprSrc, iGprBase, offDisp);
|
---|
3190 | RT_NOREF(iGprTmp);
|
---|
3191 |
|
---|
3192 | #elif defined(RT_ARCH_ARM64)
|
---|
3193 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprSrc, iGprBase, offDisp,
|
---|
3194 | kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t), iGprTmp);
|
---|
3195 |
|
---|
3196 | #else
|
---|
3197 | # error "port me"
|
---|
3198 | #endif
|
---|
3199 | return off;
|
---|
3200 | }
|
---|
3201 |
|
---|
3202 |
|
---|
3203 | /**
|
---|
3204 | * Emits a 64-bit immediate store via a GPR base address with a displacement.
|
---|
3205 | *
|
---|
3206 | * @note This will always require @a iGprTmpImm on ARM (except for uImm=0), on
|
---|
3207 | * AMD64 it depends on the immediate value.
|
---|
3208 | *
|
---|
3209 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3210 | * 0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3211 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3212 | * does not heed this.
|
---|
3213 | */
|
---|
3214 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3215 | iemNativeEmitStoreImm64ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint64_t uImm, uint8_t iGprBase,
|
---|
3216 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3217 | {
|
---|
3218 | #ifdef RT_ARCH_AMD64
|
---|
3219 | if ((int32_t)uImm == (int64_t)uImm)
|
---|
3220 | {
|
---|
3221 | /* mov mem64, imm32 (sign-extended) */
|
---|
3222 | pCodeBuf[off++] = X86_OP_REX_W | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3223 | pCodeBuf[off++] = 0xc7;
|
---|
3224 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3225 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3226 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3227 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
3228 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
3229 | }
|
---|
3230 | else if (iGprImmTmp != UINT8_MAX || iGprTmp != UINT8_MAX)
|
---|
3231 | {
|
---|
3232 | /* require temporary register. */
|
---|
3233 | if (iGprImmTmp == UINT8_MAX)
|
---|
3234 | iGprImmTmp = iGprTmp;
|
---|
3235 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3236 | off = iemNativeEmitStoreGpr64ByGprEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp);
|
---|
3237 | }
|
---|
3238 | else
|
---|
3239 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3240 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3241 | # else
|
---|
3242 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3243 | # endif
|
---|
3244 |
|
---|
3245 | #elif defined(RT_ARCH_ARM64)
|
---|
3246 | if (uImm == 0)
|
---|
3247 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3248 | else
|
---|
3249 | {
|
---|
3250 | Assert(iGprImmTmp < 31);
|
---|
3251 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3252 | }
|
---|
3253 | off = iemNativeEmitStoreGpr64ByGprEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp, iGprTmp);
|
---|
3254 |
|
---|
3255 | #else
|
---|
3256 | # error "port me"
|
---|
3257 | #endif
|
---|
3258 | return off;
|
---|
3259 | }
|
---|
3260 |
|
---|
3261 |
|
---|
3262 | /**
|
---|
3263 | * Emits a 32-bit GPR store via a GPR base address with a displacement.
|
---|
3264 | *
|
---|
3265 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3266 | *
|
---|
3267 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3268 | * 0x3ffc...0x3ffc range will require a temporary register (@a iGprTmp) if
|
---|
3269 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3270 | * does not heed this.
|
---|
3271 | */
|
---|
3272 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3273 | iemNativeEmitStoreImm32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t uImm, uint8_t iGprBase,
|
---|
3274 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3275 | {
|
---|
3276 | #ifdef RT_ARCH_AMD64
|
---|
3277 | /* mov mem32, imm32 */
|
---|
3278 | if (iGprBase >= 8)
|
---|
3279 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3280 | pCodeBuf[off++] = 0xc7;
|
---|
3281 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3282 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3283 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3284 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
3285 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
3286 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3287 |
|
---|
3288 | #elif defined(RT_ARCH_ARM64)
|
---|
3289 | Assert(iGprImmTmp < 31);
|
---|
3290 | if (uImm == 0)
|
---|
3291 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3292 | else
|
---|
3293 | {
|
---|
3294 | Assert(iGprImmTmp < 31);
|
---|
3295 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprImmTmp, uImm);
|
---|
3296 | }
|
---|
3297 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3298 | kArmv8A64InstrLdStType_St_Word, sizeof(uint32_t), iGprTmp);
|
---|
3299 |
|
---|
3300 | #else
|
---|
3301 | # error "port me"
|
---|
3302 | #endif
|
---|
3303 | return off;
|
---|
3304 | }
|
---|
3305 |
|
---|
3306 |
|
---|
3307 | /**
|
---|
3308 | * Emits a 16-bit GPR store via a GPR base address with a displacement.
|
---|
3309 | *
|
---|
3310 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3311 | *
|
---|
3312 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3313 | * 0x1ffe...0x1ffe range will require a temporary register (@a iGprTmp) if
|
---|
3314 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3315 | * does not heed this.
|
---|
3316 | */
|
---|
3317 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3318 | iemNativeEmitStoreImm16ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint16_t uImm, uint8_t iGprBase,
|
---|
3319 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3320 | {
|
---|
3321 | #ifdef RT_ARCH_AMD64
|
---|
3322 | /* mov mem16, imm16 */
|
---|
3323 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3324 | if (iGprBase >= 8)
|
---|
3325 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3326 | pCodeBuf[off++] = 0xc7;
|
---|
3327 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3328 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
3329 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
3330 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3331 |
|
---|
3332 | #elif defined(RT_ARCH_ARM64)
|
---|
3333 | if (uImm == 0)
|
---|
3334 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3335 | else
|
---|
3336 | {
|
---|
3337 | Assert(iGprImmTmp < 31);
|
---|
3338 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGprImmTmp, uImm);
|
---|
3339 | }
|
---|
3340 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3341 | kArmv8A64InstrLdStType_St_Half, sizeof(uint16_t), iGprTmp);
|
---|
3342 |
|
---|
3343 | #else
|
---|
3344 | # error "port me"
|
---|
3345 | #endif
|
---|
3346 | return off;
|
---|
3347 | }
|
---|
3348 |
|
---|
3349 |
|
---|
3350 | /**
|
---|
3351 | * Emits a 8-bit GPR store via a GPR base address with a displacement.
|
---|
3352 | *
|
---|
3353 | * @note This will always require @a iGprTmpImm on ARM64 (except for uImm=0).
|
---|
3354 | *
|
---|
3355 | * @note ARM64: @a offDisp values not in the 0xfff...0xfff range will require a
|
---|
3356 | * temporary register (@a iGprTmp) if @a iGprReg and @a iGprBase are the
|
---|
3357 | * same. Will assert / throw if caller does not heed this.
|
---|
3358 | */
|
---|
3359 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3360 | iemNativeEmitStoreImm8ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t uImm, uint8_t iGprBase,
|
---|
3361 | uint8_t iGprImmTmp = UINT8_MAX, int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3362 | {
|
---|
3363 | #ifdef RT_ARCH_AMD64
|
---|
3364 | /* mov mem8, imm8 */
|
---|
3365 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3366 | if (iGprBase >= 8)
|
---|
3367 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3368 | pCodeBuf[off++] = 0xc6;
|
---|
3369 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, 0, iGprBase, offDisp);
|
---|
3370 | pCodeBuf[off++] = uImm;
|
---|
3371 | RT_NOREF(iGprImmTmp, iGprTmp);
|
---|
3372 |
|
---|
3373 | #elif defined(RT_ARCH_ARM64)
|
---|
3374 | if (uImm == 0)
|
---|
3375 | iGprImmTmp = ARMV8_A64_REG_XZR;
|
---|
3376 | else
|
---|
3377 | {
|
---|
3378 | Assert(iGprImmTmp < 31);
|
---|
3379 | pCodeBuf[off++] = Armv8A64MkInstrMovZ(iGprImmTmp, uImm);
|
---|
3380 | }
|
---|
3381 | off = iemNativeEmitGprByGprLdStEx(pCodeBuf, off, iGprImmTmp, iGprBase, offDisp,
|
---|
3382 | kArmv8A64InstrLdStType_St_Byte, sizeof(uint8_t), iGprTmp);
|
---|
3383 |
|
---|
3384 | #else
|
---|
3385 | # error "port me"
|
---|
3386 | #endif
|
---|
3387 | return off;
|
---|
3388 | }
|
---|
3389 |
|
---|
3390 |
|
---|
3391 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
3392 | /**
|
---|
3393 | * Emits a 128-bit vector register store via a GPR base address with a displacement.
|
---|
3394 | *
|
---|
3395 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3396 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3397 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3398 | * does not heed this.
|
---|
3399 | */
|
---|
3400 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3401 | iemNativeEmitStoreVecRegByGprU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
3402 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3403 | {
|
---|
3404 | #ifdef RT_ARCH_AMD64
|
---|
3405 | /* movdqu mem128, reg128 */
|
---|
3406 | pCodeBuf[off++] = 0xf3;
|
---|
3407 | if (iVecRegDst >= 8 || iGprBase >= 8)
|
---|
3408 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R) | (iGprBase < 8 ? 0 : X86_OP_REX_B);
|
---|
3409 | pCodeBuf[off++] = 0x0f;
|
---|
3410 | pCodeBuf[off++] = 0x7f;
|
---|
3411 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3412 | RT_NOREF(iGprTmp);
|
---|
3413 |
|
---|
3414 | #elif defined(RT_ARCH_ARM64)
|
---|
3415 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3416 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3417 |
|
---|
3418 | #else
|
---|
3419 | # error "port me"
|
---|
3420 | #endif
|
---|
3421 | return off;
|
---|
3422 | }
|
---|
3423 |
|
---|
3424 |
|
---|
3425 | /**
|
---|
3426 | * Emits a 128-bit vector register store via a GPR base address with a displacement.
|
---|
3427 | */
|
---|
3428 | DECL_INLINE_THROW(uint32_t)
|
---|
3429 | iemNativeEmitStoreVecRegByGprU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3430 | {
|
---|
3431 | #ifdef RT_ARCH_AMD64
|
---|
3432 | off = iemNativeEmitStoreVecRegByGprU128Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3433 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3434 |
|
---|
3435 | #elif defined(RT_ARCH_ARM64)
|
---|
3436 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3437 |
|
---|
3438 | #else
|
---|
3439 | # error "port me"
|
---|
3440 | #endif
|
---|
3441 | return off;
|
---|
3442 | }
|
---|
3443 |
|
---|
3444 |
|
---|
3445 | /**
|
---|
3446 | * Emits a 256-bit vector register store via a GPR base address with a displacement.
|
---|
3447 | *
|
---|
3448 | * @note ARM64: Misaligned @a offDisp values and values not in the
|
---|
3449 | * -0x7ff8...0x7ff8 range will require a temporary register (@a iGprTmp) if
|
---|
3450 | * @a iGprReg and @a iGprBase are the same. Will assert / throw if caller
|
---|
3451 | * does not heed this.
|
---|
3452 | */
|
---|
3453 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3454 | iemNativeEmitStoreVecRegByGprU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase,
|
---|
3455 | int32_t offDisp = 0, uint8_t iGprTmp = UINT8_MAX)
|
---|
3456 | {
|
---|
3457 | #ifdef RT_ARCH_AMD64
|
---|
3458 | /* vmovdqu mem256, reg256 */
|
---|
3459 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
3460 | pCodeBuf[off++] = (iVecRegDst < 8 ? X86_OP_VEX3_BYTE1_R : 0)
|
---|
3461 | | X86_OP_VEX3_BYTE1_X
|
---|
3462 | | (iGprBase < 8 ? X86_OP_VEX3_BYTE1_B : 0)
|
---|
3463 | | UINT8_C(0x01);
|
---|
3464 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false /*f64BitOpSz*/, true /*f256BitAvx*/, X86_OP_VEX2_BYTE1_P_0F3H);
|
---|
3465 | pCodeBuf[off++] = 0x7f;
|
---|
3466 | off = iemNativeEmitGprByGprDisp(pCodeBuf, off, iVecRegDst, iGprBase, offDisp);
|
---|
3467 | RT_NOREF(iGprTmp);
|
---|
3468 |
|
---|
3469 | #elif defined(RT_ARCH_ARM64)
|
---|
3470 | Assert(!(iVecRegDst & 0x1));
|
---|
3471 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst, iGprBase, offDisp,
|
---|
3472 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3473 | off = iemNativeEmitVecRegByGprLdStEx(pCodeBuf, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3474 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U), iGprTmp);
|
---|
3475 | #else
|
---|
3476 | # error "port me"
|
---|
3477 | #endif
|
---|
3478 | return off;
|
---|
3479 | }
|
---|
3480 |
|
---|
3481 |
|
---|
3482 | /**
|
---|
3483 | * Emits a 256-bit GPR load via a GPR base address with a displacement.
|
---|
3484 | */
|
---|
3485 | DECL_INLINE_THROW(uint32_t)
|
---|
3486 | iemNativeEmitStoreVecRegByGprU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprBase, int32_t offDisp)
|
---|
3487 | {
|
---|
3488 | #ifdef RT_ARCH_AMD64
|
---|
3489 | off = iemNativeEmitStoreVecRegByGprU256Ex(iemNativeInstrBufEnsure(pReNative, off, 8), off, iVecRegDst, iGprBase, offDisp);
|
---|
3490 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3491 |
|
---|
3492 | #elif defined(RT_ARCH_ARM64)
|
---|
3493 | Assert(!(iVecRegDst & 0x1));
|
---|
3494 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst, iGprBase, offDisp,
|
---|
3495 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3496 | off = iemNativeEmitVecRegByGprLdSt(pReNative, off, iVecRegDst + 1, iGprBase, offDisp + sizeof(RTUINT128U),
|
---|
3497 | kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
3498 |
|
---|
3499 | #else
|
---|
3500 | # error "port me"
|
---|
3501 | #endif
|
---|
3502 | return off;
|
---|
3503 | }
|
---|
3504 | #endif
|
---|
3505 |
|
---|
3506 |
|
---|
3507 |
|
---|
3508 | /*********************************************************************************************************************************
|
---|
3509 | * Subtraction and Additions *
|
---|
3510 | *********************************************************************************************************************************/
|
---|
3511 |
|
---|
3512 | /**
|
---|
3513 | * Emits subtracting a 64-bit GPR from another, storing the result in the first.
|
---|
3514 | * @note The AMD64 version sets flags.
|
---|
3515 | */
|
---|
3516 | DECL_INLINE_THROW(uint32_t)
|
---|
3517 | iemNativeEmitSubTwoGprs(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3518 | {
|
---|
3519 | #if defined(RT_ARCH_AMD64)
|
---|
3520 | /* sub Gv,Ev */
|
---|
3521 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
3522 | pbCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
3523 | | (iGprSubtrahend < 8 ? 0 : X86_OP_REX_B);
|
---|
3524 | pbCodeBuf[off++] = 0x2b;
|
---|
3525 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSubtrahend & 7);
|
---|
3526 |
|
---|
3527 | #elif defined(RT_ARCH_ARM64)
|
---|
3528 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
3529 | pu32CodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprSubtrahend);
|
---|
3530 |
|
---|
3531 | #else
|
---|
3532 | # error "Port me"
|
---|
3533 | #endif
|
---|
3534 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3535 | return off;
|
---|
3536 | }
|
---|
3537 |
|
---|
3538 |
|
---|
3539 | /**
|
---|
3540 | * Emits subtracting a 32-bit GPR from another, storing the result in the first.
|
---|
3541 | * @note The AMD64 version sets flags.
|
---|
3542 | */
|
---|
3543 | DECL_FORCE_INLINE(uint32_t)
|
---|
3544 | iemNativeEmitSubTwoGprs32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3545 | {
|
---|
3546 | #if defined(RT_ARCH_AMD64)
|
---|
3547 | /* sub Gv,Ev */
|
---|
3548 | if (iGprDst >= 8 || iGprSubtrahend >= 8)
|
---|
3549 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R)
|
---|
3550 | | (iGprSubtrahend < 8 ? 0 : X86_OP_REX_B);
|
---|
3551 | pCodeBuf[off++] = 0x2b;
|
---|
3552 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSubtrahend & 7);
|
---|
3553 |
|
---|
3554 | #elif defined(RT_ARCH_ARM64)
|
---|
3555 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprSubtrahend, false /*f64Bit*/);
|
---|
3556 |
|
---|
3557 | #else
|
---|
3558 | # error "Port me"
|
---|
3559 | #endif
|
---|
3560 | return off;
|
---|
3561 | }
|
---|
3562 |
|
---|
3563 |
|
---|
3564 | /**
|
---|
3565 | * Emits subtracting a 32-bit GPR from another, storing the result in the first.
|
---|
3566 | * @note The AMD64 version sets flags.
|
---|
3567 | */
|
---|
3568 | DECL_INLINE_THROW(uint32_t)
|
---|
3569 | iemNativeEmitSubTwoGprs32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSubtrahend)
|
---|
3570 | {
|
---|
3571 | #if defined(RT_ARCH_AMD64)
|
---|
3572 | off = iemNativeEmitSubTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSubtrahend);
|
---|
3573 | #elif defined(RT_ARCH_ARM64)
|
---|
3574 | off = iemNativeEmitSubTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSubtrahend);
|
---|
3575 | #else
|
---|
3576 | # error "Port me"
|
---|
3577 | #endif
|
---|
3578 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3579 | return off;
|
---|
3580 | }
|
---|
3581 |
|
---|
3582 |
|
---|
3583 | /**
|
---|
3584 | * Emits a 64-bit GPR subtract with a signed immediate subtrahend.
|
---|
3585 | *
|
---|
3586 | * This will optimize using DEC/INC/whatever, so try avoid flag dependencies.
|
---|
3587 | *
|
---|
3588 | * @note Larger constants will require a temporary register. Failing to specify
|
---|
3589 | * one when needed will trigger fatal assertion / throw.
|
---|
3590 | */
|
---|
3591 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3592 | iemNativeEmitSubGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int64_t iSubtrahend,
|
---|
3593 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3594 | {
|
---|
3595 | #ifdef RT_ARCH_AMD64
|
---|
3596 | pCodeBuf[off++] = iGprDst >= 8 ? X86_OP_REX_W | X86_OP_REX_B : X86_OP_REX_W;
|
---|
3597 | if (iSubtrahend == 1)
|
---|
3598 | {
|
---|
3599 | /* dec r/m64 */
|
---|
3600 | pCodeBuf[off++] = 0xff;
|
---|
3601 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3602 | }
|
---|
3603 | else if (iSubtrahend == -1)
|
---|
3604 | {
|
---|
3605 | /* inc r/m64 */
|
---|
3606 | pCodeBuf[off++] = 0xff;
|
---|
3607 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3608 | }
|
---|
3609 | else if ((int8_t)iSubtrahend == iSubtrahend)
|
---|
3610 | {
|
---|
3611 | /* sub r/m64, imm8 */
|
---|
3612 | pCodeBuf[off++] = 0x83;
|
---|
3613 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3614 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3615 | }
|
---|
3616 | else if ((int32_t)iSubtrahend == iSubtrahend)
|
---|
3617 | {
|
---|
3618 | /* sub r/m64, imm32 */
|
---|
3619 | pCodeBuf[off++] = 0x81;
|
---|
3620 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3621 | pCodeBuf[off++] = RT_BYTE1((uint64_t)iSubtrahend);
|
---|
3622 | pCodeBuf[off++] = RT_BYTE2((uint64_t)iSubtrahend);
|
---|
3623 | pCodeBuf[off++] = RT_BYTE3((uint64_t)iSubtrahend);
|
---|
3624 | pCodeBuf[off++] = RT_BYTE4((uint64_t)iSubtrahend);
|
---|
3625 | }
|
---|
3626 | else if (iGprTmp != UINT8_MAX)
|
---|
3627 | {
|
---|
3628 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off - 1, iGprTmp, (uint64_t)iSubtrahend);
|
---|
3629 | /* sub r/m64, r64 */
|
---|
3630 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B) | (iGprTmp < 8 ? 0 : X86_OP_REX_R);
|
---|
3631 | pCodeBuf[off++] = 0x29;
|
---|
3632 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprTmp & 7, iGprDst & 7);
|
---|
3633 | }
|
---|
3634 | else
|
---|
3635 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3636 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3637 | # else
|
---|
3638 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3639 | # endif
|
---|
3640 |
|
---|
3641 | #elif defined(RT_ARCH_ARM64)
|
---|
3642 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3643 | if (uAbsSubtrahend < 4096)
|
---|
3644 | {
|
---|
3645 | if (iSubtrahend >= 0)
|
---|
3646 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend);
|
---|
3647 | else
|
---|
3648 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend);
|
---|
3649 | }
|
---|
3650 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3651 | {
|
---|
3652 | if (iSubtrahend >= 0)
|
---|
3653 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3654 | true /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3655 | else
|
---|
3656 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3657 | true /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3658 | }
|
---|
3659 | else if (iGprTmp != UINT8_MAX)
|
---|
3660 | {
|
---|
3661 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, (uint64_t)iSubtrahend);
|
---|
3662 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp);
|
---|
3663 | }
|
---|
3664 | else
|
---|
3665 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3666 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3667 | # else
|
---|
3668 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3669 | # endif
|
---|
3670 |
|
---|
3671 | #else
|
---|
3672 | # error "Port me"
|
---|
3673 | #endif
|
---|
3674 | return off;
|
---|
3675 | }
|
---|
3676 |
|
---|
3677 |
|
---|
3678 | /**
|
---|
3679 | * Emits a 64-bit GPR subtract with a signed immediate subtrahend.
|
---|
3680 | *
|
---|
3681 | * @note Larger constants will require a temporary register. Failing to specify
|
---|
3682 | * one when needed will trigger fatal assertion / throw.
|
---|
3683 | */
|
---|
3684 | DECL_INLINE_THROW(uint32_t)
|
---|
3685 | iemNativeEmitSubGprImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int64_t iSubtrahend,
|
---|
3686 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3687 |
|
---|
3688 | {
|
---|
3689 | #ifdef RT_ARCH_AMD64
|
---|
3690 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 13), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3691 | #elif defined(RT_ARCH_ARM64)
|
---|
3692 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 5), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3693 | #else
|
---|
3694 | # error "Port me"
|
---|
3695 | #endif
|
---|
3696 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3697 | return off;
|
---|
3698 | }
|
---|
3699 |
|
---|
3700 |
|
---|
3701 | /**
|
---|
3702 | * Emits a 32-bit GPR subtract with a signed immediate subtrahend.
|
---|
3703 | *
|
---|
3704 | * This will optimize using DEC/INC/whatever, so try avoid flag dependencies.
|
---|
3705 | *
|
---|
3706 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3707 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3708 | */
|
---|
3709 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3710 | iemNativeEmitSubGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int32_t iSubtrahend,
|
---|
3711 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3712 | {
|
---|
3713 | #ifdef RT_ARCH_AMD64
|
---|
3714 | if (iGprDst >= 8)
|
---|
3715 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3716 | if (iSubtrahend == 1)
|
---|
3717 | {
|
---|
3718 | /* dec r/m32 */
|
---|
3719 | pCodeBuf[off++] = 0xff;
|
---|
3720 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3721 | }
|
---|
3722 | else if (iSubtrahend == -1)
|
---|
3723 | {
|
---|
3724 | /* inc r/m32 */
|
---|
3725 | pCodeBuf[off++] = 0xff;
|
---|
3726 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3727 | }
|
---|
3728 | else if (iSubtrahend < 128 && iSubtrahend >= -128)
|
---|
3729 | {
|
---|
3730 | /* sub r/m32, imm8 */
|
---|
3731 | pCodeBuf[off++] = 0x83;
|
---|
3732 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3733 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3734 | }
|
---|
3735 | else
|
---|
3736 | {
|
---|
3737 | /* sub r/m32, imm32 */
|
---|
3738 | pCodeBuf[off++] = 0x81;
|
---|
3739 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3740 | pCodeBuf[off++] = RT_BYTE1(iSubtrahend);
|
---|
3741 | pCodeBuf[off++] = RT_BYTE2(iSubtrahend);
|
---|
3742 | pCodeBuf[off++] = RT_BYTE3(iSubtrahend);
|
---|
3743 | pCodeBuf[off++] = RT_BYTE4(iSubtrahend);
|
---|
3744 | }
|
---|
3745 | RT_NOREF(iGprTmp);
|
---|
3746 |
|
---|
3747 | #elif defined(RT_ARCH_ARM64)
|
---|
3748 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3749 | if (uAbsSubtrahend < 4096)
|
---|
3750 | {
|
---|
3751 | if (iSubtrahend >= 0)
|
---|
3752 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3753 | else
|
---|
3754 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3755 | }
|
---|
3756 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3757 | {
|
---|
3758 | if (iSubtrahend >= 0)
|
---|
3759 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3760 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3761 | else
|
---|
3762 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3763 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3764 | }
|
---|
3765 | else if (iGprTmp != UINT8_MAX)
|
---|
3766 | {
|
---|
3767 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iSubtrahend);
|
---|
3768 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
3769 | }
|
---|
3770 | else
|
---|
3771 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3772 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3773 | # else
|
---|
3774 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3775 | # endif
|
---|
3776 |
|
---|
3777 | #else
|
---|
3778 | # error "Port me"
|
---|
3779 | #endif
|
---|
3780 | return off;
|
---|
3781 | }
|
---|
3782 |
|
---|
3783 |
|
---|
3784 | /**
|
---|
3785 | * Emits a 32-bit GPR subtract with a signed immediate subtrahend.
|
---|
3786 | *
|
---|
3787 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3788 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3789 | */
|
---|
3790 | DECL_INLINE_THROW(uint32_t)
|
---|
3791 | iemNativeEmitSubGpr32Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t iSubtrahend,
|
---|
3792 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3793 |
|
---|
3794 | {
|
---|
3795 | #ifdef RT_ARCH_AMD64
|
---|
3796 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3797 | #elif defined(RT_ARCH_ARM64)
|
---|
3798 | off = iemNativeEmitSubGprImmEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iSubtrahend, iGprTmp);
|
---|
3799 | #else
|
---|
3800 | # error "Port me"
|
---|
3801 | #endif
|
---|
3802 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3803 | return off;
|
---|
3804 | }
|
---|
3805 |
|
---|
3806 |
|
---|
3807 | /**
|
---|
3808 | * Emits a 16-bit GPR subtract with a signed immediate subtrahend.
|
---|
3809 | *
|
---|
3810 | * This will optimize using DEC/INC/whatever and ARM64 will not set flags,
|
---|
3811 | * so not suitable as a base for conditional jumps.
|
---|
3812 | *
|
---|
3813 | * @note AMD64: Will only update the lower 16 bits of the register.
|
---|
3814 | * @note ARM64: Will update the entire register.
|
---|
3815 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
3816 | * specify one when needed will trigger fatal assertion / throw.
|
---|
3817 | */
|
---|
3818 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
3819 | iemNativeEmitSubGpr16ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int16_t iSubtrahend,
|
---|
3820 | uint8_t iGprTmp = UINT8_MAX)
|
---|
3821 | {
|
---|
3822 | #ifdef RT_ARCH_AMD64
|
---|
3823 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
3824 | if (iGprDst >= 8)
|
---|
3825 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
3826 | if (iSubtrahend == 1)
|
---|
3827 | {
|
---|
3828 | /* dec r/m16 */
|
---|
3829 | pCodeBuf[off++] = 0xff;
|
---|
3830 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
3831 | }
|
---|
3832 | else if (iSubtrahend == -1)
|
---|
3833 | {
|
---|
3834 | /* inc r/m16 */
|
---|
3835 | pCodeBuf[off++] = 0xff;
|
---|
3836 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3837 | }
|
---|
3838 | else if ((int8_t)iSubtrahend == iSubtrahend)
|
---|
3839 | {
|
---|
3840 | /* sub r/m16, imm8 */
|
---|
3841 | pCodeBuf[off++] = 0x83;
|
---|
3842 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3843 | pCodeBuf[off++] = (uint8_t)iSubtrahend;
|
---|
3844 | }
|
---|
3845 | else
|
---|
3846 | {
|
---|
3847 | /* sub r/m16, imm16 */
|
---|
3848 | pCodeBuf[off++] = 0x81;
|
---|
3849 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
3850 | pCodeBuf[off++] = RT_BYTE1((uint16_t)iSubtrahend);
|
---|
3851 | pCodeBuf[off++] = RT_BYTE2((uint16_t)iSubtrahend);
|
---|
3852 | }
|
---|
3853 | RT_NOREF(iGprTmp);
|
---|
3854 |
|
---|
3855 | #elif defined(RT_ARCH_ARM64)
|
---|
3856 | uint32_t uAbsSubtrahend = RT_ABS(iSubtrahend);
|
---|
3857 | if (uAbsSubtrahend < 4096)
|
---|
3858 | {
|
---|
3859 | if (iSubtrahend >= 0)
|
---|
3860 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3861 | else
|
---|
3862 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend, false /*f64Bit*/);
|
---|
3863 | }
|
---|
3864 | else if (uAbsSubtrahend <= 0xfff000 && !(uAbsSubtrahend & 0xfff))
|
---|
3865 | {
|
---|
3866 | if (iSubtrahend >= 0)
|
---|
3867 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3868 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3869 | else
|
---|
3870 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsSubtrahend >> 12,
|
---|
3871 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
3872 | }
|
---|
3873 | else if (iGprTmp != UINT8_MAX)
|
---|
3874 | {
|
---|
3875 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iSubtrahend);
|
---|
3876 | pCodeBuf[off++] = Armv8A64MkInstrSubReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
3877 | }
|
---|
3878 | else
|
---|
3879 | # ifdef IEM_WITH_THROW_CATCH
|
---|
3880 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
3881 | # else
|
---|
3882 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
3883 | # endif
|
---|
3884 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
3885 |
|
---|
3886 | #else
|
---|
3887 | # error "Port me"
|
---|
3888 | #endif
|
---|
3889 | return off;
|
---|
3890 | }
|
---|
3891 |
|
---|
3892 |
|
---|
3893 | /**
|
---|
3894 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3895 | * @note The AMD64 version sets flags.
|
---|
3896 | */
|
---|
3897 | DECL_FORCE_INLINE(uint32_t)
|
---|
3898 | iemNativeEmitAddTwoGprsEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3899 | {
|
---|
3900 | #if defined(RT_ARCH_AMD64)
|
---|
3901 | /* add Gv,Ev */
|
---|
3902 | pCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
3903 | | (iGprAddend < 8 ? 0 : X86_OP_REX_B);
|
---|
3904 | pCodeBuf[off++] = 0x03;
|
---|
3905 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprAddend & 7);
|
---|
3906 |
|
---|
3907 | #elif defined(RT_ARCH_ARM64)
|
---|
3908 | pCodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iGprAddend);
|
---|
3909 |
|
---|
3910 | #else
|
---|
3911 | # error "Port me"
|
---|
3912 | #endif
|
---|
3913 | return off;
|
---|
3914 | }
|
---|
3915 |
|
---|
3916 |
|
---|
3917 | /**
|
---|
3918 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3919 | * @note The AMD64 version sets flags.
|
---|
3920 | */
|
---|
3921 | DECL_INLINE_THROW(uint32_t)
|
---|
3922 | iemNativeEmitAddTwoGprs(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3923 | {
|
---|
3924 | #if defined(RT_ARCH_AMD64)
|
---|
3925 | off = iemNativeEmitAddTwoGprsEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprAddend);
|
---|
3926 | #elif defined(RT_ARCH_ARM64)
|
---|
3927 | off = iemNativeEmitAddTwoGprsEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprAddend);
|
---|
3928 | #else
|
---|
3929 | # error "Port me"
|
---|
3930 | #endif
|
---|
3931 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3932 | return off;
|
---|
3933 | }
|
---|
3934 |
|
---|
3935 |
|
---|
3936 | /**
|
---|
3937 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3938 | * @note The AMD64 version sets flags.
|
---|
3939 | */
|
---|
3940 | DECL_FORCE_INLINE(uint32_t)
|
---|
3941 | iemNativeEmitAddTwoGprs32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3942 | {
|
---|
3943 | #if defined(RT_ARCH_AMD64)
|
---|
3944 | /* add Gv,Ev */
|
---|
3945 | if (iGprDst >= 8 || iGprAddend >= 8)
|
---|
3946 | pCodeBuf[off++] = (iGprDst >= 8 ? X86_OP_REX_R : 0)
|
---|
3947 | | (iGprAddend >= 8 ? X86_OP_REX_B : 0);
|
---|
3948 | pCodeBuf[off++] = 0x03;
|
---|
3949 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprAddend & 7);
|
---|
3950 |
|
---|
3951 | #elif defined(RT_ARCH_ARM64)
|
---|
3952 | pCodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iGprAddend, false /*f64Bit*/);
|
---|
3953 |
|
---|
3954 | #else
|
---|
3955 | # error "Port me"
|
---|
3956 | #endif
|
---|
3957 | return off;
|
---|
3958 | }
|
---|
3959 |
|
---|
3960 |
|
---|
3961 | /**
|
---|
3962 | * Emits adding a 64-bit GPR to another, storing the result in the first.
|
---|
3963 | * @note The AMD64 version sets flags.
|
---|
3964 | */
|
---|
3965 | DECL_INLINE_THROW(uint32_t)
|
---|
3966 | iemNativeEmitAddTwoGprs32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend)
|
---|
3967 | {
|
---|
3968 | #if defined(RT_ARCH_AMD64)
|
---|
3969 | off = iemNativeEmitAddTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprAddend);
|
---|
3970 | #elif defined(RT_ARCH_ARM64)
|
---|
3971 | off = iemNativeEmitAddTwoGprs32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprAddend);
|
---|
3972 | #else
|
---|
3973 | # error "Port me"
|
---|
3974 | #endif
|
---|
3975 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
3976 | return off;
|
---|
3977 | }
|
---|
3978 |
|
---|
3979 |
|
---|
3980 | /**
|
---|
3981 | * Emits a 64-bit GPR additions with a 8-bit signed immediate.
|
---|
3982 | */
|
---|
3983 | DECL_INLINE_THROW(uint32_t)
|
---|
3984 | iemNativeEmitAddGprImm8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
3985 | {
|
---|
3986 | #if defined(RT_ARCH_AMD64)
|
---|
3987 | /* add or inc */
|
---|
3988 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
3989 | if (iImm8 != 1)
|
---|
3990 | {
|
---|
3991 | pCodeBuf[off++] = 0x83;
|
---|
3992 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3993 | pCodeBuf[off++] = (uint8_t)iImm8;
|
---|
3994 | }
|
---|
3995 | else
|
---|
3996 | {
|
---|
3997 | pCodeBuf[off++] = 0xff;
|
---|
3998 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
3999 | }
|
---|
4000 |
|
---|
4001 | #elif defined(RT_ARCH_ARM64)
|
---|
4002 | if (iImm8 >= 0)
|
---|
4003 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint8_t)iImm8);
|
---|
4004 | else
|
---|
4005 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint8_t)-iImm8);
|
---|
4006 |
|
---|
4007 | #else
|
---|
4008 | # error "Port me"
|
---|
4009 | #endif
|
---|
4010 | return off;
|
---|
4011 | }
|
---|
4012 |
|
---|
4013 |
|
---|
4014 | /**
|
---|
4015 | * Emits a 64-bit GPR additions with a 8-bit signed immediate.
|
---|
4016 | */
|
---|
4017 | DECL_INLINE_THROW(uint32_t)
|
---|
4018 | iemNativeEmitAddGprImm8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
4019 | {
|
---|
4020 | #if defined(RT_ARCH_AMD64)
|
---|
4021 | off = iemNativeEmitAddGprImm8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iImm8);
|
---|
4022 | #elif defined(RT_ARCH_ARM64)
|
---|
4023 | off = iemNativeEmitAddGprImm8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iImm8);
|
---|
4024 | #else
|
---|
4025 | # error "Port me"
|
---|
4026 | #endif
|
---|
4027 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4028 | return off;
|
---|
4029 | }
|
---|
4030 |
|
---|
4031 |
|
---|
4032 | /**
|
---|
4033 | * Emits a 32-bit GPR additions with a 8-bit signed immediate.
|
---|
4034 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4035 | */
|
---|
4036 | DECL_FORCE_INLINE(uint32_t)
|
---|
4037 | iemNativeEmitAddGpr32Imm8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
4038 | {
|
---|
4039 | #if defined(RT_ARCH_AMD64)
|
---|
4040 | /* add or inc */
|
---|
4041 | if (iGprDst >= 8)
|
---|
4042 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4043 | if (iImm8 != 1)
|
---|
4044 | {
|
---|
4045 | pCodeBuf[off++] = 0x83;
|
---|
4046 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4047 | pCodeBuf[off++] = (uint8_t)iImm8;
|
---|
4048 | }
|
---|
4049 | else
|
---|
4050 | {
|
---|
4051 | pCodeBuf[off++] = 0xff;
|
---|
4052 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4053 | }
|
---|
4054 |
|
---|
4055 | #elif defined(RT_ARCH_ARM64)
|
---|
4056 | if (iImm8 >= 0)
|
---|
4057 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint8_t)iImm8, false /*f64Bit*/);
|
---|
4058 | else
|
---|
4059 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint8_t)-iImm8, false /*f64Bit*/);
|
---|
4060 |
|
---|
4061 | #else
|
---|
4062 | # error "Port me"
|
---|
4063 | #endif
|
---|
4064 | return off;
|
---|
4065 | }
|
---|
4066 |
|
---|
4067 |
|
---|
4068 | /**
|
---|
4069 | * Emits a 32-bit GPR additions with a 8-bit signed immediate.
|
---|
4070 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4071 | */
|
---|
4072 | DECL_INLINE_THROW(uint32_t)
|
---|
4073 | iemNativeEmitAddGpr32Imm8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int8_t iImm8)
|
---|
4074 | {
|
---|
4075 | #if defined(RT_ARCH_AMD64)
|
---|
4076 | off = iemNativeEmitAddGpr32Imm8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, iImm8);
|
---|
4077 | #elif defined(RT_ARCH_ARM64)
|
---|
4078 | off = iemNativeEmitAddGpr32Imm8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iImm8);
|
---|
4079 | #else
|
---|
4080 | # error "Port me"
|
---|
4081 | #endif
|
---|
4082 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4083 | return off;
|
---|
4084 | }
|
---|
4085 |
|
---|
4086 |
|
---|
4087 | /**
|
---|
4088 | * Emits a 64-bit GPR additions with a 64-bit signed addend.
|
---|
4089 | *
|
---|
4090 | * @note Will assert / throw if @a iGprTmp is not specified when needed.
|
---|
4091 | */
|
---|
4092 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4093 | iemNativeEmitAddGprImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int64_t iAddend, uint8_t iGprTmp = UINT8_MAX)
|
---|
4094 | {
|
---|
4095 | #if defined(RT_ARCH_AMD64)
|
---|
4096 | if ((int8_t)iAddend == iAddend)
|
---|
4097 | return iemNativeEmitAddGprImm8Ex(pCodeBuf, off, iGprDst, (int8_t)iAddend);
|
---|
4098 |
|
---|
4099 | if ((int32_t)iAddend == iAddend)
|
---|
4100 | {
|
---|
4101 | /* add grp, imm32 */
|
---|
4102 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4103 | pCodeBuf[off++] = 0x81;
|
---|
4104 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4105 | pCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4106 | pCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4107 | pCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4108 | pCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4109 | }
|
---|
4110 | else if (iGprTmp != UINT8_MAX)
|
---|
4111 | {
|
---|
4112 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, iAddend);
|
---|
4113 |
|
---|
4114 | /* add dst, tmpreg */
|
---|
4115 | pCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
4116 | | (iGprTmp < 8 ? 0 : X86_OP_REX_B);
|
---|
4117 | pCodeBuf[off++] = 0x03;
|
---|
4118 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprTmp & 7);
|
---|
4119 | }
|
---|
4120 | else
|
---|
4121 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4122 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4123 | # else
|
---|
4124 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4125 | # endif
|
---|
4126 |
|
---|
4127 | #elif defined(RT_ARCH_ARM64)
|
---|
4128 | uint64_t const uAbsAddend = (uint64_t)RT_ABS(iAddend);
|
---|
4129 | if (uAbsAddend < 4096)
|
---|
4130 | {
|
---|
4131 | if (iAddend >= 0)
|
---|
4132 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend);
|
---|
4133 | else
|
---|
4134 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend);
|
---|
4135 | }
|
---|
4136 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4137 | {
|
---|
4138 | if (iAddend >= 0)
|
---|
4139 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend >> 12,
|
---|
4140 | true /*f64Bit*/, true /*fShift12*/);
|
---|
4141 | else
|
---|
4142 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, (uint32_t)uAbsAddend >> 12,
|
---|
4143 | true /*f64Bit*/, true /*fShift12*/);
|
---|
4144 | }
|
---|
4145 | else if (iGprTmp != UINT8_MAX)
|
---|
4146 | {
|
---|
4147 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprTmp, iAddend);
|
---|
4148 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprDst, iGprTmp);
|
---|
4149 | }
|
---|
4150 | else
|
---|
4151 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4152 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4153 | # else
|
---|
4154 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4155 | # endif
|
---|
4156 |
|
---|
4157 | #else
|
---|
4158 | # error "Port me"
|
---|
4159 | #endif
|
---|
4160 | return off;
|
---|
4161 | }
|
---|
4162 |
|
---|
4163 |
|
---|
4164 | /**
|
---|
4165 | * Emits a 64-bit GPR additions with a 64-bit signed addend.
|
---|
4166 | */
|
---|
4167 | DECL_INLINE_THROW(uint32_t)
|
---|
4168 | iemNativeEmitAddGprImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int64_t iAddend)
|
---|
4169 | {
|
---|
4170 | #if defined(RT_ARCH_AMD64)
|
---|
4171 | if (iAddend <= INT8_MAX && iAddend >= INT8_MIN)
|
---|
4172 | return iemNativeEmitAddGprImm8(pReNative, off, iGprDst, (int8_t)iAddend);
|
---|
4173 |
|
---|
4174 | if (iAddend <= INT32_MAX && iAddend >= INT32_MIN)
|
---|
4175 | {
|
---|
4176 | /* add grp, imm32 */
|
---|
4177 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
4178 | pbCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4179 | pbCodeBuf[off++] = 0x81;
|
---|
4180 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4181 | pbCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4182 | pbCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4183 | pbCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4184 | pbCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4185 | }
|
---|
4186 | else
|
---|
4187 | {
|
---|
4188 | /* Best to use a temporary register to deal with this in the simplest way: */
|
---|
4189 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint64_t)iAddend);
|
---|
4190 |
|
---|
4191 | /* add dst, tmpreg */
|
---|
4192 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
4193 | pbCodeBuf[off++] = (iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_R)
|
---|
4194 | | (iTmpReg < 8 ? 0 : X86_OP_REX_B);
|
---|
4195 | pbCodeBuf[off++] = 0x03;
|
---|
4196 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iTmpReg & 7);
|
---|
4197 |
|
---|
4198 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4199 | }
|
---|
4200 |
|
---|
4201 | #elif defined(RT_ARCH_ARM64)
|
---|
4202 | if ((uint64_t)RT_ABS(iAddend) < RT_BIT_32(12))
|
---|
4203 | {
|
---|
4204 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4205 | if (iAddend >= 0)
|
---|
4206 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint32_t)iAddend);
|
---|
4207 | else
|
---|
4208 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint32_t)-iAddend);
|
---|
4209 | }
|
---|
4210 | else
|
---|
4211 | {
|
---|
4212 | /* Use temporary register for the immediate. */
|
---|
4213 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint64_t)iAddend);
|
---|
4214 |
|
---|
4215 | /* add gprdst, gprdst, tmpreg */
|
---|
4216 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4217 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iTmpReg);
|
---|
4218 |
|
---|
4219 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4220 | }
|
---|
4221 |
|
---|
4222 | #else
|
---|
4223 | # error "Port me"
|
---|
4224 | #endif
|
---|
4225 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4226 | return off;
|
---|
4227 | }
|
---|
4228 |
|
---|
4229 |
|
---|
4230 | /**
|
---|
4231 | * Emits a 32-bit GPR additions with a 32-bit signed immediate.
|
---|
4232 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4233 | * @note For ARM64 the iAddend value must be in the range 0x000..0xfff,
|
---|
4234 | * or that range shifted 12 bits to the left (e.g. 0x1000..0xfff000 with
|
---|
4235 | * the lower 12 bits always zero). The negative ranges are also allowed,
|
---|
4236 | * making it behave like a subtraction. If the constant does not conform,
|
---|
4237 | * bad stuff will happen.
|
---|
4238 | */
|
---|
4239 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4240 | iemNativeEmitAddGpr32ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int32_t iAddend)
|
---|
4241 | {
|
---|
4242 | #if defined(RT_ARCH_AMD64)
|
---|
4243 | if (iAddend <= INT8_MAX && iAddend >= INT8_MIN)
|
---|
4244 | return iemNativeEmitAddGpr32Imm8Ex(pCodeBuf, off, iGprDst, (int8_t)iAddend);
|
---|
4245 |
|
---|
4246 | /* add grp, imm32 */
|
---|
4247 | if (iGprDst >= 8)
|
---|
4248 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4249 | pCodeBuf[off++] = 0x81;
|
---|
4250 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4251 | pCodeBuf[off++] = RT_BYTE1((uint32_t)iAddend);
|
---|
4252 | pCodeBuf[off++] = RT_BYTE2((uint32_t)iAddend);
|
---|
4253 | pCodeBuf[off++] = RT_BYTE3((uint32_t)iAddend);
|
---|
4254 | pCodeBuf[off++] = RT_BYTE4((uint32_t)iAddend);
|
---|
4255 |
|
---|
4256 | #elif defined(RT_ARCH_ARM64)
|
---|
4257 | uint32_t const uAbsAddend = (uint32_t)RT_ABS(iAddend);
|
---|
4258 | if (uAbsAddend <= 0xfff)
|
---|
4259 | {
|
---|
4260 | if (iAddend >= 0)
|
---|
4261 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4262 | else
|
---|
4263 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4264 | }
|
---|
4265 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4266 | {
|
---|
4267 | if (iAddend >= 0)
|
---|
4268 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4269 | false /*f64Bit*/, true /*fShift12*/);
|
---|
4270 | else
|
---|
4271 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4272 | false /*f64Bit*/, true /*fShift12*/);
|
---|
4273 | }
|
---|
4274 | else
|
---|
4275 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4276 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4277 | # else
|
---|
4278 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4279 | # endif
|
---|
4280 |
|
---|
4281 | #else
|
---|
4282 | # error "Port me"
|
---|
4283 | #endif
|
---|
4284 | return off;
|
---|
4285 | }
|
---|
4286 |
|
---|
4287 |
|
---|
4288 | /**
|
---|
4289 | * Emits a 32-bit GPR additions with a 32-bit signed immediate.
|
---|
4290 | * @note Bits 32 thru 63 in the GPR will be zero after the operation.
|
---|
4291 | */
|
---|
4292 | DECL_INLINE_THROW(uint32_t)
|
---|
4293 | iemNativeEmitAddGpr32Imm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, int32_t iAddend)
|
---|
4294 | {
|
---|
4295 | #if defined(RT_ARCH_AMD64)
|
---|
4296 | off = iemNativeEmitAddGpr32ImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iAddend);
|
---|
4297 |
|
---|
4298 | #elif defined(RT_ARCH_ARM64)
|
---|
4299 | if ((uint64_t)RT_ABS(iAddend) < RT_BIT_32(12))
|
---|
4300 | {
|
---|
4301 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4302 | if (iAddend >= 0)
|
---|
4303 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(false /*fSub*/, iGprDst, iGprDst, (uint32_t)iAddend, false /*f64Bit*/);
|
---|
4304 | else
|
---|
4305 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, iGprDst, iGprDst, (uint32_t)-iAddend, false /*f64Bit*/);
|
---|
4306 | }
|
---|
4307 | else
|
---|
4308 | {
|
---|
4309 | /* Use temporary register for the immediate. */
|
---|
4310 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, (uint32_t)iAddend);
|
---|
4311 |
|
---|
4312 | /* add gprdst, gprdst, tmpreg */
|
---|
4313 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4314 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(false /*fSub*/, iGprDst, iGprDst, iTmpReg, false /*f64Bit*/);
|
---|
4315 |
|
---|
4316 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4317 | }
|
---|
4318 |
|
---|
4319 | #else
|
---|
4320 | # error "Port me"
|
---|
4321 | #endif
|
---|
4322 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4323 | return off;
|
---|
4324 | }
|
---|
4325 |
|
---|
4326 |
|
---|
4327 | /**
|
---|
4328 | * Emits a 16-bit GPR add with a signed immediate addend.
|
---|
4329 | *
|
---|
4330 | * This will optimize using INC/DEC/whatever and ARM64 will not set flags,
|
---|
4331 | * so not suitable as a base for conditional jumps.
|
---|
4332 | *
|
---|
4333 | * @note AMD64: Will only update the lower 16 bits of the register.
|
---|
4334 | * @note ARM64: Will update the entire register.
|
---|
4335 | * @note ARM64: Larger constants will require a temporary register. Failing to
|
---|
4336 | * specify one when needed will trigger fatal assertion / throw.
|
---|
4337 | * @sa iemNativeEmitSubGpr16ImmEx
|
---|
4338 | */
|
---|
4339 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4340 | iemNativeEmitAddGpr16ImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, int16_t iAddend,
|
---|
4341 | uint8_t iGprTmp = UINT8_MAX)
|
---|
4342 | {
|
---|
4343 | #ifdef RT_ARCH_AMD64
|
---|
4344 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
4345 | if (iGprDst >= 8)
|
---|
4346 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4347 | if (iAddend == 1)
|
---|
4348 | {
|
---|
4349 | /* inc r/m16 */
|
---|
4350 | pCodeBuf[off++] = 0xff;
|
---|
4351 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4352 | }
|
---|
4353 | else if (iAddend == -1)
|
---|
4354 | {
|
---|
4355 | /* dec r/m16 */
|
---|
4356 | pCodeBuf[off++] = 0xff;
|
---|
4357 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
4358 | }
|
---|
4359 | else if ((int8_t)iAddend == iAddend)
|
---|
4360 | {
|
---|
4361 | /* add r/m16, imm8 */
|
---|
4362 | pCodeBuf[off++] = 0x83;
|
---|
4363 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4364 | pCodeBuf[off++] = (uint8_t)iAddend;
|
---|
4365 | }
|
---|
4366 | else
|
---|
4367 | {
|
---|
4368 | /* add r/m16, imm16 */
|
---|
4369 | pCodeBuf[off++] = 0x81;
|
---|
4370 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
4371 | pCodeBuf[off++] = RT_BYTE1((uint16_t)iAddend);
|
---|
4372 | pCodeBuf[off++] = RT_BYTE2((uint16_t)iAddend);
|
---|
4373 | }
|
---|
4374 | RT_NOREF(iGprTmp);
|
---|
4375 |
|
---|
4376 | #elif defined(RT_ARCH_ARM64)
|
---|
4377 | uint32_t uAbsAddend = RT_ABS(iAddend);
|
---|
4378 | if (uAbsAddend < 4096)
|
---|
4379 | {
|
---|
4380 | if (iAddend >= 0)
|
---|
4381 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4382 | else
|
---|
4383 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsAddend, false /*f64Bit*/);
|
---|
4384 | }
|
---|
4385 | else if (uAbsAddend <= 0xfff000 && !(uAbsAddend & 0xfff))
|
---|
4386 | {
|
---|
4387 | if (iAddend >= 0)
|
---|
4388 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4389 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
4390 | else
|
---|
4391 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsAddend >> 12,
|
---|
4392 | false /*f64Bit*/, false /*fSetFlags*/, true /*fShift*/);
|
---|
4393 | }
|
---|
4394 | else if (iGprTmp != UINT8_MAX)
|
---|
4395 | {
|
---|
4396 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprTmp, (uint32_t)iAddend);
|
---|
4397 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprDst, iGprTmp, false /*f64Bit*/);
|
---|
4398 | }
|
---|
4399 | else
|
---|
4400 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4401 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4402 | # else
|
---|
4403 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4404 | # endif
|
---|
4405 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 15, 0, false /*f64Bit*/);
|
---|
4406 |
|
---|
4407 | #else
|
---|
4408 | # error "Port me"
|
---|
4409 | #endif
|
---|
4410 | return off;
|
---|
4411 | }
|
---|
4412 |
|
---|
4413 |
|
---|
4414 |
|
---|
4415 | /**
|
---|
4416 | * Adds two 64-bit GPRs together, storing the result in a third register.
|
---|
4417 | */
|
---|
4418 | DECL_FORCE_INLINE(uint32_t)
|
---|
4419 | iemNativeEmitGprEqGprPlusGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend1, uint8_t iGprAddend2)
|
---|
4420 | {
|
---|
4421 | #ifdef RT_ARCH_AMD64
|
---|
4422 | if (iGprDst != iGprAddend1 && iGprDst != iGprAddend2)
|
---|
4423 | {
|
---|
4424 | /** @todo consider LEA */
|
---|
4425 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprAddend1);
|
---|
4426 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend2);
|
---|
4427 | }
|
---|
4428 | else
|
---|
4429 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprDst != iGprAddend1 ? iGprAddend1 : iGprAddend2);
|
---|
4430 |
|
---|
4431 | #elif defined(RT_ARCH_ARM64)
|
---|
4432 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprAddend1, iGprAddend2);
|
---|
4433 |
|
---|
4434 | #else
|
---|
4435 | # error "Port me!"
|
---|
4436 | #endif
|
---|
4437 | return off;
|
---|
4438 | }
|
---|
4439 |
|
---|
4440 |
|
---|
4441 |
|
---|
4442 | /**
|
---|
4443 | * Adds two 32-bit GPRs together, storing the result in a third register.
|
---|
4444 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
4445 | */
|
---|
4446 | DECL_FORCE_INLINE(uint32_t)
|
---|
4447 | iemNativeEmitGpr32EqGprPlusGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend1, uint8_t iGprAddend2)
|
---|
4448 | {
|
---|
4449 | #ifdef RT_ARCH_AMD64
|
---|
4450 | if (iGprDst != iGprAddend1 && iGprDst != iGprAddend2)
|
---|
4451 | {
|
---|
4452 | /** @todo consider LEA */
|
---|
4453 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprAddend1);
|
---|
4454 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprAddend2);
|
---|
4455 | }
|
---|
4456 | else
|
---|
4457 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprDst != iGprAddend1 ? iGprAddend1 : iGprAddend2);
|
---|
4458 |
|
---|
4459 | #elif defined(RT_ARCH_ARM64)
|
---|
4460 | pCodeBuf[off++] = Armv8A64MkInstrAddReg(iGprDst, iGprAddend1, iGprAddend2, false /*f64Bit*/);
|
---|
4461 |
|
---|
4462 | #else
|
---|
4463 | # error "Port me!"
|
---|
4464 | #endif
|
---|
4465 | return off;
|
---|
4466 | }
|
---|
4467 |
|
---|
4468 |
|
---|
4469 | /**
|
---|
4470 | * Adds a 64-bit GPR and a 64-bit unsigned constant, storing the result in a
|
---|
4471 | * third register.
|
---|
4472 | *
|
---|
4473 | * @note The ARM64 version does not work for non-trivial constants if the
|
---|
4474 | * two registers are the same. Will assert / throw exception.
|
---|
4475 | */
|
---|
4476 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4477 | iemNativeEmitGprEqGprPlusImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend, int64_t iImmAddend)
|
---|
4478 | {
|
---|
4479 | #ifdef RT_ARCH_AMD64
|
---|
4480 | /** @todo consider LEA */
|
---|
4481 | if ((int8_t)iImmAddend == iImmAddend)
|
---|
4482 | {
|
---|
4483 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4484 | off = iemNativeEmitAddGprImm8Ex(pCodeBuf, off, iGprDst, (int8_t)iImmAddend);
|
---|
4485 | }
|
---|
4486 | else
|
---|
4487 | {
|
---|
4488 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, iImmAddend);
|
---|
4489 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4490 | }
|
---|
4491 |
|
---|
4492 | #elif defined(RT_ARCH_ARM64)
|
---|
4493 | uint64_t const uAbsImmAddend = RT_ABS(iImmAddend);
|
---|
4494 | if (uAbsImmAddend < 4096)
|
---|
4495 | {
|
---|
4496 | if (iImmAddend >= 0)
|
---|
4497 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprAddend, uAbsImmAddend);
|
---|
4498 | else
|
---|
4499 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprAddend, uAbsImmAddend);
|
---|
4500 | }
|
---|
4501 | else if (uAbsImmAddend <= 0xfff000 && !(uAbsImmAddend & 0xfff))
|
---|
4502 | {
|
---|
4503 | if (iImmAddend >= 0)
|
---|
4504 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, true /*f64Bit*/, true /*fShift12*/);
|
---|
4505 | else
|
---|
4506 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, true /*f64Bit*/, true /*fShift12*/);
|
---|
4507 | }
|
---|
4508 | else if (iGprDst != iGprAddend)
|
---|
4509 | {
|
---|
4510 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, (uint64_t)iImmAddend);
|
---|
4511 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4512 | }
|
---|
4513 | else
|
---|
4514 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4515 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4516 | # else
|
---|
4517 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4518 | # endif
|
---|
4519 |
|
---|
4520 | #else
|
---|
4521 | # error "Port me!"
|
---|
4522 | #endif
|
---|
4523 | return off;
|
---|
4524 | }
|
---|
4525 |
|
---|
4526 |
|
---|
4527 | /**
|
---|
4528 | * Adds a 32-bit GPR and a 32-bit unsigned constant, storing the result in a
|
---|
4529 | * third register.
|
---|
4530 | *
|
---|
4531 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
4532 | *
|
---|
4533 | * @note The ARM64 version does not work for non-trivial constants if the
|
---|
4534 | * two registers are the same. Will assert / throw exception.
|
---|
4535 | */
|
---|
4536 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4537 | iemNativeEmitGpr32EqGprPlusImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprAddend, int32_t iImmAddend)
|
---|
4538 | {
|
---|
4539 | #ifdef RT_ARCH_AMD64
|
---|
4540 | /** @todo consider LEA */
|
---|
4541 | if ((int8_t)iImmAddend == iImmAddend)
|
---|
4542 | {
|
---|
4543 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4544 | off = iemNativeEmitAddGpr32Imm8Ex(pCodeBuf, off, iGprDst, (int8_t)iImmAddend);
|
---|
4545 | }
|
---|
4546 | else
|
---|
4547 | {
|
---|
4548 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, iImmAddend);
|
---|
4549 | off = iemNativeEmitAddTwoGprsEx(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4550 | }
|
---|
4551 |
|
---|
4552 | #elif defined(RT_ARCH_ARM64)
|
---|
4553 | uint32_t const uAbsImmAddend = RT_ABS(iImmAddend);
|
---|
4554 | if (uAbsImmAddend < 4096)
|
---|
4555 | {
|
---|
4556 | if (iImmAddend >= 0)
|
---|
4557 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprAddend, uAbsImmAddend, false /*f64Bit*/);
|
---|
4558 | else
|
---|
4559 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprAddend, uAbsImmAddend, false /*f64Bit*/);
|
---|
4560 | }
|
---|
4561 | else if (uAbsImmAddend <= 0xfff000 && !(uAbsImmAddend & 0xfff))
|
---|
4562 | {
|
---|
4563 | if (iImmAddend >= 0)
|
---|
4564 | pCodeBuf[off++] = Armv8A64MkInstrAddUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, false /*f64Bit*/, true /*fShift12*/);
|
---|
4565 | else
|
---|
4566 | pCodeBuf[off++] = Armv8A64MkInstrSubUImm12(iGprDst, iGprDst, uAbsImmAddend >> 12, false /*f64Bit*/, true /*fShift12*/);
|
---|
4567 | }
|
---|
4568 | else if (iGprDst != iGprAddend)
|
---|
4569 | {
|
---|
4570 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, (uint32_t)iImmAddend);
|
---|
4571 | off = iemNativeEmitAddTwoGprs32Ex(pCodeBuf, off, iGprDst, iGprAddend);
|
---|
4572 | }
|
---|
4573 | else
|
---|
4574 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4575 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4576 | # else
|
---|
4577 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4578 | # endif
|
---|
4579 |
|
---|
4580 | #else
|
---|
4581 | # error "Port me!"
|
---|
4582 | #endif
|
---|
4583 | return off;
|
---|
4584 | }
|
---|
4585 |
|
---|
4586 |
|
---|
4587 | /*********************************************************************************************************************************
|
---|
4588 | * Unary Operations *
|
---|
4589 | *********************************************************************************************************************************/
|
---|
4590 |
|
---|
4591 | /**
|
---|
4592 | * Emits code for two complement negation of a 64-bit GPR.
|
---|
4593 | */
|
---|
4594 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4595 | iemNativeEmitNegGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst)
|
---|
4596 | {
|
---|
4597 | #if defined(RT_ARCH_AMD64)
|
---|
4598 | /* neg Ev */
|
---|
4599 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
4600 | pCodeBuf[off++] = 0xf7;
|
---|
4601 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 3, iGprDst & 7);
|
---|
4602 |
|
---|
4603 | #elif defined(RT_ARCH_ARM64)
|
---|
4604 | /* sub dst, xzr, dst */
|
---|
4605 | pCodeBuf[off++] = Armv8A64MkInstrNeg(iGprDst);
|
---|
4606 |
|
---|
4607 | #else
|
---|
4608 | # error "Port me"
|
---|
4609 | #endif
|
---|
4610 | return off;
|
---|
4611 | }
|
---|
4612 |
|
---|
4613 |
|
---|
4614 | /**
|
---|
4615 | * Emits code for two complement negation of a 64-bit GPR.
|
---|
4616 | */
|
---|
4617 | DECL_INLINE_THROW(uint32_t)
|
---|
4618 | iemNativeEmitNegGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4619 | {
|
---|
4620 | #if defined(RT_ARCH_AMD64)
|
---|
4621 | off = iemNativeEmitNegGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst);
|
---|
4622 | #elif defined(RT_ARCH_ARM64)
|
---|
4623 | off = iemNativeEmitNegGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst);
|
---|
4624 | #else
|
---|
4625 | # error "Port me"
|
---|
4626 | #endif
|
---|
4627 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4628 | return off;
|
---|
4629 | }
|
---|
4630 |
|
---|
4631 |
|
---|
4632 | /**
|
---|
4633 | * Emits code for two complement negation of a 32-bit GPR.
|
---|
4634 | * @note bit 32 thru 63 are set to zero.
|
---|
4635 | */
|
---|
4636 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4637 | iemNativeEmitNegGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst)
|
---|
4638 | {
|
---|
4639 | #if defined(RT_ARCH_AMD64)
|
---|
4640 | /* neg Ev */
|
---|
4641 | if (iGprDst >= 8)
|
---|
4642 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4643 | pCodeBuf[off++] = 0xf7;
|
---|
4644 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 3, iGprDst & 7);
|
---|
4645 |
|
---|
4646 | #elif defined(RT_ARCH_ARM64)
|
---|
4647 | /* sub dst, xzr, dst */
|
---|
4648 | pCodeBuf[off++] = Armv8A64MkInstrNeg(iGprDst, false /*f64Bit*/);
|
---|
4649 |
|
---|
4650 | #else
|
---|
4651 | # error "Port me"
|
---|
4652 | #endif
|
---|
4653 | return off;
|
---|
4654 | }
|
---|
4655 |
|
---|
4656 |
|
---|
4657 | /**
|
---|
4658 | * Emits code for two complement negation of a 32-bit GPR.
|
---|
4659 | * @note bit 32 thru 63 are set to zero.
|
---|
4660 | */
|
---|
4661 | DECL_INLINE_THROW(uint32_t)
|
---|
4662 | iemNativeEmitNegGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4663 | {
|
---|
4664 | #if defined(RT_ARCH_AMD64)
|
---|
4665 | off = iemNativeEmitNegGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst);
|
---|
4666 | #elif defined(RT_ARCH_ARM64)
|
---|
4667 | off = iemNativeEmitNegGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst);
|
---|
4668 | #else
|
---|
4669 | # error "Port me"
|
---|
4670 | #endif
|
---|
4671 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4672 | return off;
|
---|
4673 | }
|
---|
4674 |
|
---|
4675 |
|
---|
4676 |
|
---|
4677 | /*********************************************************************************************************************************
|
---|
4678 | * Bit Operations *
|
---|
4679 | *********************************************************************************************************************************/
|
---|
4680 |
|
---|
4681 | /**
|
---|
4682 | * Emits code for clearing bits 16 thru 63 in the GPR.
|
---|
4683 | */
|
---|
4684 | DECL_INLINE_THROW(uint32_t)
|
---|
4685 | iemNativeEmitClear16UpGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst)
|
---|
4686 | {
|
---|
4687 | #if defined(RT_ARCH_AMD64)
|
---|
4688 | /* movzx Gv,Ew */
|
---|
4689 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
4690 | if (iGprDst >= 8)
|
---|
4691 | pbCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
4692 | pbCodeBuf[off++] = 0x0f;
|
---|
4693 | pbCodeBuf[off++] = 0xb7;
|
---|
4694 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprDst & 7);
|
---|
4695 |
|
---|
4696 | #elif defined(RT_ARCH_ARM64)
|
---|
4697 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4698 | # if 1
|
---|
4699 | pu32CodeBuf[off++] = Armv8A64MkInstrUxth(iGprDst, iGprDst);
|
---|
4700 | # else
|
---|
4701 | ///* This produces 0xffff; 0x4f: N=1 imms=001111 (immr=0) => size=64 length=15 */
|
---|
4702 | //pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, 0x4f);
|
---|
4703 | # endif
|
---|
4704 | #else
|
---|
4705 | # error "Port me"
|
---|
4706 | #endif
|
---|
4707 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4708 | return off;
|
---|
4709 | }
|
---|
4710 |
|
---|
4711 |
|
---|
4712 | /**
|
---|
4713 | * Emits code for AND'ing two 64-bit GPRs.
|
---|
4714 | *
|
---|
4715 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4716 | * and ARM64 hosts.
|
---|
4717 | */
|
---|
4718 | DECL_FORCE_INLINE(uint32_t)
|
---|
4719 | iemNativeEmitAndGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4720 | {
|
---|
4721 | #if defined(RT_ARCH_AMD64)
|
---|
4722 | /* and Gv, Ev */
|
---|
4723 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
4724 | pCodeBuf[off++] = 0x23;
|
---|
4725 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
4726 | RT_NOREF(fSetFlags);
|
---|
4727 |
|
---|
4728 | #elif defined(RT_ARCH_ARM64)
|
---|
4729 | if (!fSetFlags)
|
---|
4730 | pCodeBuf[off++] = Armv8A64MkInstrAnd(iGprDst, iGprDst, iGprSrc);
|
---|
4731 | else
|
---|
4732 | pCodeBuf[off++] = Armv8A64MkInstrAnds(iGprDst, iGprDst, iGprSrc);
|
---|
4733 |
|
---|
4734 | #else
|
---|
4735 | # error "Port me"
|
---|
4736 | #endif
|
---|
4737 | return off;
|
---|
4738 | }
|
---|
4739 |
|
---|
4740 |
|
---|
4741 | /**
|
---|
4742 | * Emits code for AND'ing two 64-bit GPRs.
|
---|
4743 | *
|
---|
4744 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4745 | * and ARM64 hosts.
|
---|
4746 | */
|
---|
4747 | DECL_INLINE_THROW(uint32_t)
|
---|
4748 | iemNativeEmitAndGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4749 | {
|
---|
4750 | #if defined(RT_ARCH_AMD64)
|
---|
4751 | off = iemNativeEmitAndGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4752 | #elif defined(RT_ARCH_ARM64)
|
---|
4753 | off = iemNativeEmitAndGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4754 | #else
|
---|
4755 | # error "Port me"
|
---|
4756 | #endif
|
---|
4757 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4758 | return off;
|
---|
4759 | }
|
---|
4760 |
|
---|
4761 |
|
---|
4762 | /**
|
---|
4763 | * Emits code for AND'ing two 32-bit GPRs.
|
---|
4764 | */
|
---|
4765 | DECL_FORCE_INLINE(uint32_t)
|
---|
4766 | iemNativeEmitAndGpr32ByGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4767 | {
|
---|
4768 | #if defined(RT_ARCH_AMD64)
|
---|
4769 | /* and Gv, Ev */
|
---|
4770 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
4771 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
4772 | pCodeBuf[off++] = 0x23;
|
---|
4773 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
4774 | RT_NOREF(fSetFlags);
|
---|
4775 |
|
---|
4776 | #elif defined(RT_ARCH_ARM64)
|
---|
4777 | if (!fSetFlags)
|
---|
4778 | pCodeBuf[off++] = Armv8A64MkInstrAnd(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
4779 | else
|
---|
4780 | pCodeBuf[off++] = Armv8A64MkInstrAnds(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
4781 |
|
---|
4782 | #else
|
---|
4783 | # error "Port me"
|
---|
4784 | #endif
|
---|
4785 | return off;
|
---|
4786 | }
|
---|
4787 |
|
---|
4788 |
|
---|
4789 | /**
|
---|
4790 | * Emits code for AND'ing two 32-bit GPRs.
|
---|
4791 | */
|
---|
4792 | DECL_INLINE_THROW(uint32_t)
|
---|
4793 | iemNativeEmitAndGpr32ByGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool fSetFlags = false)
|
---|
4794 | {
|
---|
4795 | #if defined(RT_ARCH_AMD64)
|
---|
4796 | off = iemNativeEmitAndGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4797 | #elif defined(RT_ARCH_ARM64)
|
---|
4798 | off = iemNativeEmitAndGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, fSetFlags);
|
---|
4799 | #else
|
---|
4800 | # error "Port me"
|
---|
4801 | #endif
|
---|
4802 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4803 | return off;
|
---|
4804 | }
|
---|
4805 |
|
---|
4806 |
|
---|
4807 | /**
|
---|
4808 | * Emits code for AND'ing a 64-bit GPRs with a constant.
|
---|
4809 | *
|
---|
4810 | * @note When fSetFlags=true, JZ/JNZ jumps can be used afterwards on both AMD64
|
---|
4811 | * and ARM64 hosts.
|
---|
4812 | */
|
---|
4813 | DECL_INLINE_THROW(uint32_t)
|
---|
4814 | iemNativeEmitAndGprByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint64_t uImm, bool fSetFlags = false)
|
---|
4815 | {
|
---|
4816 | #if defined(RT_ARCH_AMD64)
|
---|
4817 | if ((int64_t)uImm == (int8_t)uImm)
|
---|
4818 | {
|
---|
4819 | /* and Ev, imm8 */
|
---|
4820 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
4821 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
4822 | pbCodeBuf[off++] = 0x83;
|
---|
4823 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4824 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
4825 | }
|
---|
4826 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
4827 | {
|
---|
4828 | /* and Ev, imm32 */
|
---|
4829 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
4830 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
4831 | pbCodeBuf[off++] = 0x81;
|
---|
4832 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4833 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
4834 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
4835 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
4836 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
4837 | }
|
---|
4838 | else
|
---|
4839 | {
|
---|
4840 | /* Use temporary register for the 64-bit immediate. */
|
---|
4841 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4842 | off = iemNativeEmitAndGprByGpr(pReNative, off, iGprDst, iTmpReg);
|
---|
4843 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4844 | }
|
---|
4845 | RT_NOREF(fSetFlags);
|
---|
4846 |
|
---|
4847 | #elif defined(RT_ARCH_ARM64)
|
---|
4848 | uint32_t uImmR = 0;
|
---|
4849 | uint32_t uImmNandS = 0;
|
---|
4850 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4851 | {
|
---|
4852 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4853 | if (!fSetFlags)
|
---|
4854 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
4855 | else
|
---|
4856 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
4857 | }
|
---|
4858 | else
|
---|
4859 | {
|
---|
4860 | /* Use temporary register for the 64-bit immediate. */
|
---|
4861 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4862 | off = iemNativeEmitAndGprByGpr(pReNative, off, iGprDst, iTmpReg, fSetFlags);
|
---|
4863 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4864 | }
|
---|
4865 |
|
---|
4866 | #else
|
---|
4867 | # error "Port me"
|
---|
4868 | #endif
|
---|
4869 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4870 | return off;
|
---|
4871 | }
|
---|
4872 |
|
---|
4873 |
|
---|
4874 | /**
|
---|
4875 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
4876 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
4877 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
4878 | * the two 6-bit immediates of the AND/ANDS instructions. The caller must
|
---|
4879 | * make sure this is possible!
|
---|
4880 | */
|
---|
4881 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4882 | iemNativeEmitAndGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm, bool fSetFlags = false)
|
---|
4883 | {
|
---|
4884 | #if defined(RT_ARCH_AMD64)
|
---|
4885 | /* and Ev, imm */
|
---|
4886 | if (iGprDst >= 8)
|
---|
4887 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
4888 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
4889 | {
|
---|
4890 | pCodeBuf[off++] = 0x83;
|
---|
4891 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4892 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
4893 | }
|
---|
4894 | else
|
---|
4895 | {
|
---|
4896 | pCodeBuf[off++] = 0x81;
|
---|
4897 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
4898 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
4899 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
4900 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
4901 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
4902 | }
|
---|
4903 | RT_NOREF(fSetFlags);
|
---|
4904 |
|
---|
4905 | #elif defined(RT_ARCH_ARM64)
|
---|
4906 | uint32_t uImmR = 0;
|
---|
4907 | uint32_t uImmNandS = 0;
|
---|
4908 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4909 | {
|
---|
4910 | if (!fSetFlags)
|
---|
4911 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4912 | else
|
---|
4913 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4914 | }
|
---|
4915 | else
|
---|
4916 | # ifdef IEM_WITH_THROW_CATCH
|
---|
4917 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
4918 | # else
|
---|
4919 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
4920 | # endif
|
---|
4921 |
|
---|
4922 | #else
|
---|
4923 | # error "Port me"
|
---|
4924 | #endif
|
---|
4925 | return off;
|
---|
4926 | }
|
---|
4927 |
|
---|
4928 |
|
---|
4929 | /**
|
---|
4930 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
4931 | *
|
---|
4932 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
4933 | */
|
---|
4934 | DECL_INLINE_THROW(uint32_t)
|
---|
4935 | iemNativeEmitAndGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm, bool fSetFlags = false)
|
---|
4936 | {
|
---|
4937 | #if defined(RT_ARCH_AMD64)
|
---|
4938 | off = iemNativeEmitAndGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm, fSetFlags);
|
---|
4939 |
|
---|
4940 | #elif defined(RT_ARCH_ARM64)
|
---|
4941 | uint32_t uImmR = 0;
|
---|
4942 | uint32_t uImmNandS = 0;
|
---|
4943 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4944 | {
|
---|
4945 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
4946 | if (!fSetFlags)
|
---|
4947 | pu32CodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4948 | else
|
---|
4949 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
4950 | }
|
---|
4951 | else
|
---|
4952 | {
|
---|
4953 | /* Use temporary register for the 64-bit immediate. */
|
---|
4954 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
4955 | off = iemNativeEmitAndGpr32ByGpr32(pReNative, off, iGprDst, iTmpReg, fSetFlags);
|
---|
4956 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
4957 | }
|
---|
4958 |
|
---|
4959 | #else
|
---|
4960 | # error "Port me"
|
---|
4961 | #endif
|
---|
4962 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
4963 | return off;
|
---|
4964 | }
|
---|
4965 |
|
---|
4966 |
|
---|
4967 | /**
|
---|
4968 | * Emits code for AND'ing an 64-bit GPRs with a constant.
|
---|
4969 | *
|
---|
4970 | * @note For ARM64 any complicated immediates w/o a AND/ANDS compatible
|
---|
4971 | * encoding will assert / throw exception if @a iGprDst and @a iGprSrc are
|
---|
4972 | * the same.
|
---|
4973 | */
|
---|
4974 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
4975 | iemNativeEmitGprEqGprAndImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint64_t uImm,
|
---|
4976 | bool fSetFlags = false)
|
---|
4977 | {
|
---|
4978 | #if defined(RT_ARCH_AMD64)
|
---|
4979 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
4980 | off = iemNativeEmitAndGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
4981 | RT_NOREF(fSetFlags);
|
---|
4982 |
|
---|
4983 | #elif defined(RT_ARCH_ARM64)
|
---|
4984 | uint32_t uImmR = 0;
|
---|
4985 | uint32_t uImmNandS = 0;
|
---|
4986 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
4987 | {
|
---|
4988 | if (!fSetFlags)
|
---|
4989 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, uImmNandS, uImmR);
|
---|
4990 | else
|
---|
4991 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprSrc, uImmNandS, uImmR);
|
---|
4992 | }
|
---|
4993 | else if (iGprDst != iGprSrc)
|
---|
4994 | {
|
---|
4995 | off = iemNativeEmitLoadGprImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
4996 | off = iemNativeEmitAndGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc, fSetFlags);
|
---|
4997 | }
|
---|
4998 | else
|
---|
4999 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5000 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5001 | # else
|
---|
5002 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5003 | # endif
|
---|
5004 |
|
---|
5005 | #else
|
---|
5006 | # error "Port me"
|
---|
5007 | #endif
|
---|
5008 | return off;
|
---|
5009 | }
|
---|
5010 |
|
---|
5011 | /**
|
---|
5012 | * Emits code for AND'ing an 32-bit GPRs with a constant.
|
---|
5013 | *
|
---|
5014 | * @note For ARM64 any complicated immediates w/o a AND/ANDS compatible
|
---|
5015 | * encoding will assert / throw exception if @a iGprDst and @a iGprSrc are
|
---|
5016 | * the same.
|
---|
5017 | *
|
---|
5018 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5019 | */
|
---|
5020 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
5021 | iemNativeEmitGpr32EqGprAndImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint32_t uImm,
|
---|
5022 | bool fSetFlags = false)
|
---|
5023 | {
|
---|
5024 | #if defined(RT_ARCH_AMD64)
|
---|
5025 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
5026 | off = iemNativeEmitAndGpr32ByGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
5027 | RT_NOREF(fSetFlags);
|
---|
5028 |
|
---|
5029 | #elif defined(RT_ARCH_ARM64)
|
---|
5030 | uint32_t uImmR = 0;
|
---|
5031 | uint32_t uImmNandS = 0;
|
---|
5032 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5033 | {
|
---|
5034 | if (!fSetFlags)
|
---|
5035 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(iGprDst, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5036 | else
|
---|
5037 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(iGprDst, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5038 | }
|
---|
5039 | else if (iGprDst != iGprSrc)
|
---|
5040 | {
|
---|
5041 | off = iemNativeEmitLoadGpr32ImmEx(pCodeBuf, off, iGprDst, uImm);
|
---|
5042 | off = iemNativeEmitAndGpr32ByGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc, fSetFlags);
|
---|
5043 | }
|
---|
5044 | else
|
---|
5045 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5046 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5047 | # else
|
---|
5048 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5049 | # endif
|
---|
5050 |
|
---|
5051 | #else
|
---|
5052 | # error "Port me"
|
---|
5053 | #endif
|
---|
5054 | return off;
|
---|
5055 | }
|
---|
5056 |
|
---|
5057 |
|
---|
5058 | /**
|
---|
5059 | * Emits code for OR'ing two 64-bit GPRs.
|
---|
5060 | */
|
---|
5061 | DECL_FORCE_INLINE(uint32_t)
|
---|
5062 | iemNativeEmitOrGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5063 | {
|
---|
5064 | #if defined(RT_ARCH_AMD64)
|
---|
5065 | /* or Gv, Ev */
|
---|
5066 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5067 | pCodeBuf[off++] = 0x0b;
|
---|
5068 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5069 |
|
---|
5070 | #elif defined(RT_ARCH_ARM64)
|
---|
5071 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprDst, iGprSrc);
|
---|
5072 |
|
---|
5073 | #else
|
---|
5074 | # error "Port me"
|
---|
5075 | #endif
|
---|
5076 | return off;
|
---|
5077 | }
|
---|
5078 |
|
---|
5079 |
|
---|
5080 | /**
|
---|
5081 | * Emits code for OR'ing two 64-bit GPRs.
|
---|
5082 | */
|
---|
5083 | DECL_INLINE_THROW(uint32_t)
|
---|
5084 | iemNativeEmitOrGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5085 | {
|
---|
5086 | #if defined(RT_ARCH_AMD64)
|
---|
5087 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5088 | #elif defined(RT_ARCH_ARM64)
|
---|
5089 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5090 | #else
|
---|
5091 | # error "Port me"
|
---|
5092 | #endif
|
---|
5093 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5094 | return off;
|
---|
5095 | }
|
---|
5096 |
|
---|
5097 |
|
---|
5098 | /**
|
---|
5099 | * Emits code for OR'ing two 32-bit GPRs.
|
---|
5100 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5101 | */
|
---|
5102 | DECL_FORCE_INLINE(uint32_t)
|
---|
5103 | iemNativeEmitOrGpr32ByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5104 | {
|
---|
5105 | #if defined(RT_ARCH_AMD64)
|
---|
5106 | /* or Gv, Ev */
|
---|
5107 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
5108 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5109 | pCodeBuf[off++] = 0x0b;
|
---|
5110 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5111 |
|
---|
5112 | #elif defined(RT_ARCH_ARM64)
|
---|
5113 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
5114 |
|
---|
5115 | #else
|
---|
5116 | # error "Port me"
|
---|
5117 | #endif
|
---|
5118 | return off;
|
---|
5119 | }
|
---|
5120 |
|
---|
5121 |
|
---|
5122 | /**
|
---|
5123 | * Emits code for OR'ing two 32-bit GPRs.
|
---|
5124 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5125 | */
|
---|
5126 | DECL_INLINE_THROW(uint32_t)
|
---|
5127 | iemNativeEmitOrGpr32ByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5128 | {
|
---|
5129 | #if defined(RT_ARCH_AMD64)
|
---|
5130 | off = iemNativeEmitOrGpr32ByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5131 | #elif defined(RT_ARCH_ARM64)
|
---|
5132 | off = iemNativeEmitOrGpr32ByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5133 | #else
|
---|
5134 | # error "Port me"
|
---|
5135 | #endif
|
---|
5136 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5137 | return off;
|
---|
5138 | }
|
---|
5139 |
|
---|
5140 |
|
---|
5141 | /**
|
---|
5142 | * Emits code for OR'ing a 64-bit GPRs with a constant.
|
---|
5143 | */
|
---|
5144 | DECL_INLINE_THROW(uint32_t)
|
---|
5145 | iemNativeEmitOrGprByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint64_t uImm)
|
---|
5146 | {
|
---|
5147 | #if defined(RT_ARCH_AMD64)
|
---|
5148 | if ((int64_t)uImm == (int8_t)uImm)
|
---|
5149 | {
|
---|
5150 | /* or Ev, imm8 */
|
---|
5151 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
5152 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
5153 | pbCodeBuf[off++] = 0x83;
|
---|
5154 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5155 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
5156 | }
|
---|
5157 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
5158 | {
|
---|
5159 | /* or Ev, imm32 */
|
---|
5160 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
5161 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
5162 | pbCodeBuf[off++] = 0x81;
|
---|
5163 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5164 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5165 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5166 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5167 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5168 | }
|
---|
5169 | else
|
---|
5170 | {
|
---|
5171 | /* Use temporary register for the 64-bit immediate. */
|
---|
5172 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5173 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iTmpReg);
|
---|
5174 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5175 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5176 | }
|
---|
5177 |
|
---|
5178 | #elif defined(RT_ARCH_ARM64)
|
---|
5179 | uint32_t uImmR = 0;
|
---|
5180 | uint32_t uImmNandS = 0;
|
---|
5181 | if (Armv8A64ConvertMask64ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5182 | {
|
---|
5183 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5184 | pu32CodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR);
|
---|
5185 | }
|
---|
5186 | else
|
---|
5187 | {
|
---|
5188 | /* Use temporary register for the 64-bit immediate. */
|
---|
5189 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5190 | off = iemNativeEmitOrGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iTmpReg);
|
---|
5191 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5192 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5193 | }
|
---|
5194 |
|
---|
5195 | #else
|
---|
5196 | # error "Port me"
|
---|
5197 | #endif
|
---|
5198 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5199 | return off;
|
---|
5200 | }
|
---|
5201 |
|
---|
5202 |
|
---|
5203 | /**
|
---|
5204 | * Emits code for OR'ing an 32-bit GPRs with a constant.
|
---|
5205 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5206 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
5207 | * the two 6-bit immediates of the OR instructions. The caller must make
|
---|
5208 | * sure this is possible!
|
---|
5209 | */
|
---|
5210 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
5211 | iemNativeEmitOrGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5212 | {
|
---|
5213 | #if defined(RT_ARCH_AMD64)
|
---|
5214 | /* or Ev, imm */
|
---|
5215 | if (iGprDst >= 8)
|
---|
5216 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5217 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
5218 | {
|
---|
5219 | pCodeBuf[off++] = 0x83;
|
---|
5220 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5221 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
5222 | }
|
---|
5223 | else
|
---|
5224 | {
|
---|
5225 | pCodeBuf[off++] = 0x81;
|
---|
5226 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 1, iGprDst & 7);
|
---|
5227 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5228 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5229 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5230 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5231 | }
|
---|
5232 |
|
---|
5233 | #elif defined(RT_ARCH_ARM64)
|
---|
5234 | uint32_t uImmR = 0;
|
---|
5235 | uint32_t uImmNandS = 0;
|
---|
5236 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5237 | pCodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5238 | else
|
---|
5239 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5240 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5241 | # else
|
---|
5242 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5243 | # endif
|
---|
5244 |
|
---|
5245 | #else
|
---|
5246 | # error "Port me"
|
---|
5247 | #endif
|
---|
5248 | return off;
|
---|
5249 | }
|
---|
5250 |
|
---|
5251 |
|
---|
5252 | /**
|
---|
5253 | * Emits code for OR'ing an 32-bit GPRs with a constant.
|
---|
5254 | *
|
---|
5255 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5256 | */
|
---|
5257 | DECL_INLINE_THROW(uint32_t)
|
---|
5258 | iemNativeEmitOrGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5259 | {
|
---|
5260 | #if defined(RT_ARCH_AMD64)
|
---|
5261 | off = iemNativeEmitOrGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm);
|
---|
5262 |
|
---|
5263 | #elif defined(RT_ARCH_ARM64)
|
---|
5264 | uint32_t uImmR = 0;
|
---|
5265 | uint32_t uImmNandS = 0;
|
---|
5266 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5267 | {
|
---|
5268 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5269 | pu32CodeBuf[off++] = Armv8A64MkInstrOrrImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5270 | }
|
---|
5271 | else
|
---|
5272 | {
|
---|
5273 | /* Use temporary register for the 64-bit immediate. */
|
---|
5274 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
5275 | off = iemNativeEmitOrGpr32ByGpr(pReNative, off, iGprDst, iTmpReg);
|
---|
5276 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
5277 | }
|
---|
5278 |
|
---|
5279 | #else
|
---|
5280 | # error "Port me"
|
---|
5281 | #endif
|
---|
5282 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5283 | return off;
|
---|
5284 | }
|
---|
5285 |
|
---|
5286 |
|
---|
5287 |
|
---|
5288 | /**
|
---|
5289 | * ORs two 64-bit GPRs together, storing the result in a third register.
|
---|
5290 | */
|
---|
5291 | DECL_FORCE_INLINE(uint32_t)
|
---|
5292 | iemNativeEmitGprEqGprOrGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc1, uint8_t iGprSrc2)
|
---|
5293 | {
|
---|
5294 | #ifdef RT_ARCH_AMD64
|
---|
5295 | if (iGprDst != iGprSrc1 && iGprDst != iGprSrc2)
|
---|
5296 | {
|
---|
5297 | /** @todo consider LEA */
|
---|
5298 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprSrc1);
|
---|
5299 | off = iemNativeEmitOrGprByGprEx(pCodeBuf, off, iGprDst, iGprSrc2);
|
---|
5300 | }
|
---|
5301 | else
|
---|
5302 | off = iemNativeEmitOrGprByGprEx(pCodeBuf, off, iGprDst, iGprDst != iGprSrc1 ? iGprSrc1 : iGprSrc2);
|
---|
5303 |
|
---|
5304 | #elif defined(RT_ARCH_ARM64)
|
---|
5305 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprSrc1, iGprSrc2);
|
---|
5306 |
|
---|
5307 | #else
|
---|
5308 | # error "Port me!"
|
---|
5309 | #endif
|
---|
5310 | return off;
|
---|
5311 | }
|
---|
5312 |
|
---|
5313 |
|
---|
5314 |
|
---|
5315 | /**
|
---|
5316 | * Ors two 32-bit GPRs together, storing the result in a third register.
|
---|
5317 | * @note Bits 32 thru 63 in @a iGprDst will be zero after the operation.
|
---|
5318 | */
|
---|
5319 | DECL_FORCE_INLINE(uint32_t)
|
---|
5320 | iemNativeEmitGpr32EqGprOrGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc1, uint8_t iGprSrc2)
|
---|
5321 | {
|
---|
5322 | #ifdef RT_ARCH_AMD64
|
---|
5323 | if (iGprDst != iGprSrc1 && iGprDst != iGprSrc2)
|
---|
5324 | {
|
---|
5325 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc1);
|
---|
5326 | off = iemNativeEmitOrGpr32ByGprEx(pCodeBuf, off, iGprDst, iGprSrc2);
|
---|
5327 | }
|
---|
5328 | else
|
---|
5329 | off = iemNativeEmitOrGpr32ByGprEx(pCodeBuf, off, iGprDst, iGprDst != iGprSrc1 ? iGprSrc1 : iGprSrc2);
|
---|
5330 |
|
---|
5331 | #elif defined(RT_ARCH_ARM64)
|
---|
5332 | pCodeBuf[off++] = Armv8A64MkInstrOrr(iGprDst, iGprSrc1, iGprSrc2, false /*f64Bit*/);
|
---|
5333 |
|
---|
5334 | #else
|
---|
5335 | # error "Port me!"
|
---|
5336 | #endif
|
---|
5337 | return off;
|
---|
5338 | }
|
---|
5339 |
|
---|
5340 |
|
---|
5341 | /**
|
---|
5342 | * Emits code for XOR'ing two 64-bit GPRs.
|
---|
5343 | */
|
---|
5344 | DECL_INLINE_THROW(uint32_t)
|
---|
5345 | iemNativeEmitXorGprByGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5346 | {
|
---|
5347 | #if defined(RT_ARCH_AMD64)
|
---|
5348 | /* and Gv, Ev */
|
---|
5349 | pCodeBuf[off++] = X86_OP_REX_W | (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5350 | pCodeBuf[off++] = 0x33;
|
---|
5351 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5352 |
|
---|
5353 | #elif defined(RT_ARCH_ARM64)
|
---|
5354 | pCodeBuf[off++] = Armv8A64MkInstrEor(iGprDst, iGprDst, iGprSrc);
|
---|
5355 |
|
---|
5356 | #else
|
---|
5357 | # error "Port me"
|
---|
5358 | #endif
|
---|
5359 | return off;
|
---|
5360 | }
|
---|
5361 |
|
---|
5362 |
|
---|
5363 | /**
|
---|
5364 | * Emits code for XOR'ing two 64-bit GPRs.
|
---|
5365 | */
|
---|
5366 | DECL_INLINE_THROW(uint32_t)
|
---|
5367 | iemNativeEmitXorGprByGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5368 | {
|
---|
5369 | #if defined(RT_ARCH_AMD64)
|
---|
5370 | off = iemNativeEmitXorGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5371 | #elif defined(RT_ARCH_ARM64)
|
---|
5372 | off = iemNativeEmitXorGprByGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5373 | #else
|
---|
5374 | # error "Port me"
|
---|
5375 | #endif
|
---|
5376 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5377 | return off;
|
---|
5378 | }
|
---|
5379 |
|
---|
5380 |
|
---|
5381 | /**
|
---|
5382 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5383 | */
|
---|
5384 | DECL_INLINE_THROW(uint32_t)
|
---|
5385 | iemNativeEmitXorGpr32ByGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5386 | {
|
---|
5387 | #if defined(RT_ARCH_AMD64)
|
---|
5388 | /* and Gv, Ev */
|
---|
5389 | if (iGprDst >= 8 || iGprSrc >= 8)
|
---|
5390 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R) | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
5391 | pCodeBuf[off++] = 0x33;
|
---|
5392 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iGprSrc & 7);
|
---|
5393 |
|
---|
5394 | #elif defined(RT_ARCH_ARM64)
|
---|
5395 | pCodeBuf[off++] = Armv8A64MkInstrEor(iGprDst, iGprDst, iGprSrc, false /*f64Bit*/);
|
---|
5396 |
|
---|
5397 | #else
|
---|
5398 | # error "Port me"
|
---|
5399 | #endif
|
---|
5400 | return off;
|
---|
5401 | }
|
---|
5402 |
|
---|
5403 |
|
---|
5404 | /**
|
---|
5405 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5406 | */
|
---|
5407 | DECL_INLINE_THROW(uint32_t)
|
---|
5408 | iemNativeEmitXorGpr32ByGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc)
|
---|
5409 | {
|
---|
5410 | #if defined(RT_ARCH_AMD64)
|
---|
5411 | off = iemNativeEmitXorGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprDst, iGprSrc);
|
---|
5412 | #elif defined(RT_ARCH_ARM64)
|
---|
5413 | off = iemNativeEmitXorGpr32ByGpr32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc);
|
---|
5414 | #else
|
---|
5415 | # error "Port me"
|
---|
5416 | #endif
|
---|
5417 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5418 | return off;
|
---|
5419 | }
|
---|
5420 |
|
---|
5421 |
|
---|
5422 | /**
|
---|
5423 | * Emits code for XOR'ing an 32-bit GPRs with a constant.
|
---|
5424 | * @note Bits 32 thru 63 in the destination will be zero after the operation.
|
---|
5425 | * @note For ARM64 this only supports @a uImm values that can be expressed using
|
---|
5426 | * the two 6-bit immediates of the EOR instructions. The caller must make
|
---|
5427 | * sure this is possible!
|
---|
5428 | */
|
---|
5429 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
5430 | iemNativeEmitXorGpr32ByImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5431 | {
|
---|
5432 | #if defined(RT_ARCH_AMD64)
|
---|
5433 | /* and Ev, imm */
|
---|
5434 | if (iGprDst >= 8)
|
---|
5435 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5436 | if ((int32_t)uImm == (int8_t)uImm)
|
---|
5437 | {
|
---|
5438 | pCodeBuf[off++] = 0x83;
|
---|
5439 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 6, iGprDst & 7);
|
---|
5440 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
5441 | }
|
---|
5442 | else
|
---|
5443 | {
|
---|
5444 | pCodeBuf[off++] = 0x81;
|
---|
5445 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 6, iGprDst & 7);
|
---|
5446 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
5447 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
5448 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
5449 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
5450 | }
|
---|
5451 |
|
---|
5452 | #elif defined(RT_ARCH_ARM64)
|
---|
5453 | uint32_t uImmR = 0;
|
---|
5454 | uint32_t uImmNandS = 0;
|
---|
5455 | if (Armv8A64ConvertMask32ToImmRImmS(uImm, &uImmNandS, &uImmR))
|
---|
5456 | pCodeBuf[off++] = Armv8A64MkInstrEorImm(iGprDst, iGprDst, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
5457 | else
|
---|
5458 | # ifdef IEM_WITH_THROW_CATCH
|
---|
5459 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
5460 | # else
|
---|
5461 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
5462 | # endif
|
---|
5463 |
|
---|
5464 | #else
|
---|
5465 | # error "Port me"
|
---|
5466 | #endif
|
---|
5467 | return off;
|
---|
5468 | }
|
---|
5469 |
|
---|
5470 |
|
---|
5471 | /**
|
---|
5472 | * Emits code for XOR'ing two 32-bit GPRs.
|
---|
5473 | */
|
---|
5474 | DECL_INLINE_THROW(uint32_t)
|
---|
5475 | iemNativeEmitXorGpr32ByImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint32_t uImm)
|
---|
5476 | {
|
---|
5477 | #if defined(RT_ARCH_AMD64)
|
---|
5478 | off = iemNativeEmitXorGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, uImm);
|
---|
5479 | #elif defined(RT_ARCH_ARM64)
|
---|
5480 | off = iemNativeEmitXorGpr32ByImmEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, uImm);
|
---|
5481 | #else
|
---|
5482 | # error "Port me"
|
---|
5483 | #endif
|
---|
5484 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5485 | return off;
|
---|
5486 | }
|
---|
5487 |
|
---|
5488 |
|
---|
5489 | /*********************************************************************************************************************************
|
---|
5490 | * Shifting *
|
---|
5491 | *********************************************************************************************************************************/
|
---|
5492 |
|
---|
5493 | /**
|
---|
5494 | * Emits code for shifting a GPR a fixed number of bits to the left.
|
---|
5495 | */
|
---|
5496 | DECL_FORCE_INLINE(uint32_t)
|
---|
5497 | iemNativeEmitShiftGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5498 | {
|
---|
5499 | Assert(cShift > 0 && cShift < 64);
|
---|
5500 |
|
---|
5501 | #if defined(RT_ARCH_AMD64)
|
---|
5502 | /* shl dst, cShift */
|
---|
5503 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5504 | if (cShift != 1)
|
---|
5505 | {
|
---|
5506 | pCodeBuf[off++] = 0xc1;
|
---|
5507 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5508 | pCodeBuf[off++] = cShift;
|
---|
5509 | }
|
---|
5510 | else
|
---|
5511 | {
|
---|
5512 | pCodeBuf[off++] = 0xd1;
|
---|
5513 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5514 | }
|
---|
5515 |
|
---|
5516 | #elif defined(RT_ARCH_ARM64)
|
---|
5517 | pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift);
|
---|
5518 |
|
---|
5519 | #else
|
---|
5520 | # error "Port me"
|
---|
5521 | #endif
|
---|
5522 | return off;
|
---|
5523 | }
|
---|
5524 |
|
---|
5525 |
|
---|
5526 | /**
|
---|
5527 | * Emits code for shifting a GPR a fixed number of bits to the left.
|
---|
5528 | */
|
---|
5529 | DECL_INLINE_THROW(uint32_t)
|
---|
5530 | iemNativeEmitShiftGprLeft(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5531 | {
|
---|
5532 | #if defined(RT_ARCH_AMD64)
|
---|
5533 | off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5534 | #elif defined(RT_ARCH_ARM64)
|
---|
5535 | off = iemNativeEmitShiftGprLeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5536 | #else
|
---|
5537 | # error "Port me"
|
---|
5538 | #endif
|
---|
5539 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5540 | return off;
|
---|
5541 | }
|
---|
5542 |
|
---|
5543 |
|
---|
5544 | /**
|
---|
5545 | * Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
|
---|
5546 | */
|
---|
5547 | DECL_FORCE_INLINE(uint32_t)
|
---|
5548 | iemNativeEmitShiftGpr32LeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5549 | {
|
---|
5550 | Assert(cShift > 0 && cShift < 32);
|
---|
5551 |
|
---|
5552 | #if defined(RT_ARCH_AMD64)
|
---|
5553 | /* shl dst, cShift */
|
---|
5554 | if (iGprDst >= 8)
|
---|
5555 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5556 | if (cShift != 1)
|
---|
5557 | {
|
---|
5558 | pCodeBuf[off++] = 0xc1;
|
---|
5559 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5560 | pCodeBuf[off++] = cShift;
|
---|
5561 | }
|
---|
5562 | else
|
---|
5563 | {
|
---|
5564 | pCodeBuf[off++] = 0xd1;
|
---|
5565 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprDst & 7);
|
---|
5566 | }
|
---|
5567 |
|
---|
5568 | #elif defined(RT_ARCH_ARM64)
|
---|
5569 | pCodeBuf[off++] = Armv8A64MkInstrLslImm(iGprDst, iGprDst, cShift, false /*64Bit*/);
|
---|
5570 |
|
---|
5571 | #else
|
---|
5572 | # error "Port me"
|
---|
5573 | #endif
|
---|
5574 | return off;
|
---|
5575 | }
|
---|
5576 |
|
---|
5577 |
|
---|
5578 | /**
|
---|
5579 | * Emits code for shifting a 32-bit GPR a fixed number of bits to the left.
|
---|
5580 | */
|
---|
5581 | DECL_INLINE_THROW(uint32_t)
|
---|
5582 | iemNativeEmitShiftGpr32Left(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5583 | {
|
---|
5584 | #if defined(RT_ARCH_AMD64)
|
---|
5585 | off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5586 | #elif defined(RT_ARCH_ARM64)
|
---|
5587 | off = iemNativeEmitShiftGpr32LeftEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5588 | #else
|
---|
5589 | # error "Port me"
|
---|
5590 | #endif
|
---|
5591 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5592 | return off;
|
---|
5593 | }
|
---|
5594 |
|
---|
5595 |
|
---|
5596 | /**
|
---|
5597 | * Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
|
---|
5598 | */
|
---|
5599 | DECL_FORCE_INLINE(uint32_t)
|
---|
5600 | iemNativeEmitShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5601 | {
|
---|
5602 | Assert(cShift > 0 && cShift < 64);
|
---|
5603 |
|
---|
5604 | #if defined(RT_ARCH_AMD64)
|
---|
5605 | /* shr dst, cShift */
|
---|
5606 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5607 | if (cShift != 1)
|
---|
5608 | {
|
---|
5609 | pCodeBuf[off++] = 0xc1;
|
---|
5610 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5611 | pCodeBuf[off++] = cShift;
|
---|
5612 | }
|
---|
5613 | else
|
---|
5614 | {
|
---|
5615 | pCodeBuf[off++] = 0xd1;
|
---|
5616 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5617 | }
|
---|
5618 |
|
---|
5619 | #elif defined(RT_ARCH_ARM64)
|
---|
5620 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift);
|
---|
5621 |
|
---|
5622 | #else
|
---|
5623 | # error "Port me"
|
---|
5624 | #endif
|
---|
5625 | return off;
|
---|
5626 | }
|
---|
5627 |
|
---|
5628 |
|
---|
5629 | /**
|
---|
5630 | * Emits code for (unsigned) shifting a GPR a fixed number of bits to the right.
|
---|
5631 | */
|
---|
5632 | DECL_INLINE_THROW(uint32_t)
|
---|
5633 | iemNativeEmitShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5634 | {
|
---|
5635 | #if defined(RT_ARCH_AMD64)
|
---|
5636 | off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5637 | #elif defined(RT_ARCH_ARM64)
|
---|
5638 | off = iemNativeEmitShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5639 | #else
|
---|
5640 | # error "Port me"
|
---|
5641 | #endif
|
---|
5642 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5643 | return off;
|
---|
5644 | }
|
---|
5645 |
|
---|
5646 |
|
---|
5647 | /**
|
---|
5648 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5649 | * right.
|
---|
5650 | */
|
---|
5651 | DECL_FORCE_INLINE(uint32_t)
|
---|
5652 | iemNativeEmitShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5653 | {
|
---|
5654 | Assert(cShift > 0 && cShift < 32);
|
---|
5655 |
|
---|
5656 | #if defined(RT_ARCH_AMD64)
|
---|
5657 | /* shr dst, cShift */
|
---|
5658 | if (iGprDst >= 8)
|
---|
5659 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5660 | if (cShift != 1)
|
---|
5661 | {
|
---|
5662 | pCodeBuf[off++] = 0xc1;
|
---|
5663 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5664 | pCodeBuf[off++] = cShift;
|
---|
5665 | }
|
---|
5666 | else
|
---|
5667 | {
|
---|
5668 | pCodeBuf[off++] = 0xd1;
|
---|
5669 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 5, iGprDst & 7);
|
---|
5670 | }
|
---|
5671 |
|
---|
5672 | #elif defined(RT_ARCH_ARM64)
|
---|
5673 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprDst, cShift, false /*64Bit*/);
|
---|
5674 |
|
---|
5675 | #else
|
---|
5676 | # error "Port me"
|
---|
5677 | #endif
|
---|
5678 | return off;
|
---|
5679 | }
|
---|
5680 |
|
---|
5681 |
|
---|
5682 | /**
|
---|
5683 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5684 | * right.
|
---|
5685 | */
|
---|
5686 | DECL_INLINE_THROW(uint32_t)
|
---|
5687 | iemNativeEmitShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5688 | {
|
---|
5689 | #if defined(RT_ARCH_AMD64)
|
---|
5690 | off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5691 | #elif defined(RT_ARCH_ARM64)
|
---|
5692 | off = iemNativeEmitShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5693 | #else
|
---|
5694 | # error "Port me"
|
---|
5695 | #endif
|
---|
5696 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5697 | return off;
|
---|
5698 | }
|
---|
5699 |
|
---|
5700 |
|
---|
5701 | /**
|
---|
5702 | * Emits code for (unsigned) shifting a 32-bit GPR a fixed number of bits to the
|
---|
5703 | * right and assigning it to a different GPR.
|
---|
5704 | */
|
---|
5705 | DECL_INLINE_THROW(uint32_t)
|
---|
5706 | iemNativeEmitGpr32EqGprShiftRightImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, uint8_t cShift)
|
---|
5707 | {
|
---|
5708 | Assert(cShift > 0); Assert(cShift < 32);
|
---|
5709 | #if defined(RT_ARCH_AMD64)
|
---|
5710 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
5711 | off = iemNativeEmitShiftGpr32RightEx(pCodeBuf, off, iGprDst, cShift);
|
---|
5712 |
|
---|
5713 | #elif defined(RT_ARCH_ARM64)
|
---|
5714 | pCodeBuf[off++] = Armv8A64MkInstrLsrImm(iGprDst, iGprSrc, cShift, false /*64Bit*/);
|
---|
5715 |
|
---|
5716 | #else
|
---|
5717 | # error "Port me"
|
---|
5718 | #endif
|
---|
5719 | return off;
|
---|
5720 | }
|
---|
5721 |
|
---|
5722 |
|
---|
5723 | /**
|
---|
5724 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5725 | */
|
---|
5726 | DECL_FORCE_INLINE(uint32_t)
|
---|
5727 | iemNativeEmitArithShiftGprRightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5728 | {
|
---|
5729 | Assert(cShift > 0 && cShift < 64);
|
---|
5730 |
|
---|
5731 | #if defined(RT_ARCH_AMD64)
|
---|
5732 | /* sar dst, cShift */
|
---|
5733 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5734 | if (cShift != 1)
|
---|
5735 | {
|
---|
5736 | pCodeBuf[off++] = 0xc1;
|
---|
5737 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5738 | pCodeBuf[off++] = cShift;
|
---|
5739 | }
|
---|
5740 | else
|
---|
5741 | {
|
---|
5742 | pCodeBuf[off++] = 0xd1;
|
---|
5743 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5744 | }
|
---|
5745 |
|
---|
5746 | #elif defined(RT_ARCH_ARM64)
|
---|
5747 | pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift);
|
---|
5748 |
|
---|
5749 | #else
|
---|
5750 | # error "Port me"
|
---|
5751 | #endif
|
---|
5752 | return off;
|
---|
5753 | }
|
---|
5754 |
|
---|
5755 |
|
---|
5756 | /**
|
---|
5757 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5758 | */
|
---|
5759 | DECL_INLINE_THROW(uint32_t)
|
---|
5760 | iemNativeEmitArithShiftGprRight(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5761 | {
|
---|
5762 | #if defined(RT_ARCH_AMD64)
|
---|
5763 | off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5764 | #elif defined(RT_ARCH_ARM64)
|
---|
5765 | off = iemNativeEmitArithShiftGprRightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5766 | #else
|
---|
5767 | # error "Port me"
|
---|
5768 | #endif
|
---|
5769 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5770 | return off;
|
---|
5771 | }
|
---|
5772 |
|
---|
5773 |
|
---|
5774 | /**
|
---|
5775 | * Emits code for (signed) shifting a 32-bit GPR a fixed number of bits to the right.
|
---|
5776 | */
|
---|
5777 | DECL_FORCE_INLINE(uint32_t)
|
---|
5778 | iemNativeEmitArithShiftGpr32RightEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5779 | {
|
---|
5780 | Assert(cShift > 0 && cShift < 64);
|
---|
5781 |
|
---|
5782 | #if defined(RT_ARCH_AMD64)
|
---|
5783 | /* sar dst, cShift */
|
---|
5784 | if (iGprDst >= 8)
|
---|
5785 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5786 | if (cShift != 1)
|
---|
5787 | {
|
---|
5788 | pCodeBuf[off++] = 0xc1;
|
---|
5789 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5790 | pCodeBuf[off++] = cShift;
|
---|
5791 | }
|
---|
5792 | else
|
---|
5793 | {
|
---|
5794 | pCodeBuf[off++] = 0xd1;
|
---|
5795 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprDst & 7);
|
---|
5796 | }
|
---|
5797 |
|
---|
5798 | #elif defined(RT_ARCH_ARM64)
|
---|
5799 | pCodeBuf[off++] = Armv8A64MkInstrAsrImm(iGprDst, iGprDst, cShift, false /*f64Bit*/);
|
---|
5800 |
|
---|
5801 | #else
|
---|
5802 | # error "Port me"
|
---|
5803 | #endif
|
---|
5804 | return off;
|
---|
5805 | }
|
---|
5806 |
|
---|
5807 |
|
---|
5808 | /**
|
---|
5809 | * Emits code for (signed) shifting a GPR a fixed number of bits to the right.
|
---|
5810 | */
|
---|
5811 | DECL_INLINE_THROW(uint32_t)
|
---|
5812 | iemNativeEmitArithShiftGpr32Right(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5813 | {
|
---|
5814 | #if defined(RT_ARCH_AMD64)
|
---|
5815 | off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprDst, cShift);
|
---|
5816 | #elif defined(RT_ARCH_ARM64)
|
---|
5817 | off = iemNativeEmitArithShiftGpr32RightEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, cShift);
|
---|
5818 | #else
|
---|
5819 | # error "Port me"
|
---|
5820 | #endif
|
---|
5821 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5822 | return off;
|
---|
5823 | }
|
---|
5824 |
|
---|
5825 |
|
---|
5826 | /**
|
---|
5827 | * Emits code for rotating a GPR a fixed number of bits to the left.
|
---|
5828 | */
|
---|
5829 | DECL_FORCE_INLINE(uint32_t)
|
---|
5830 | iemNativeEmitRotateGprLeftEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5831 | {
|
---|
5832 | Assert(cShift > 0 && cShift < 64);
|
---|
5833 |
|
---|
5834 | #if defined(RT_ARCH_AMD64)
|
---|
5835 | /* rol dst, cShift */
|
---|
5836 | pCodeBuf[off++] = iGprDst < 8 ? X86_OP_REX_W : X86_OP_REX_W | X86_OP_REX_B;
|
---|
5837 | if (cShift != 1)
|
---|
5838 | {
|
---|
5839 | pCodeBuf[off++] = 0xc1;
|
---|
5840 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
5841 | pCodeBuf[off++] = cShift;
|
---|
5842 | }
|
---|
5843 | else
|
---|
5844 | {
|
---|
5845 | pCodeBuf[off++] = 0xd1;
|
---|
5846 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprDst & 7);
|
---|
5847 | }
|
---|
5848 |
|
---|
5849 | #elif defined(RT_ARCH_ARM64)
|
---|
5850 | pCodeBuf[off++] = Armv8A64MkInstrRorImm(iGprDst, iGprDst, cShift);
|
---|
5851 |
|
---|
5852 | #else
|
---|
5853 | # error "Port me"
|
---|
5854 | #endif
|
---|
5855 | return off;
|
---|
5856 | }
|
---|
5857 |
|
---|
5858 |
|
---|
5859 | #if defined(RT_ARCH_AMD64)
|
---|
5860 | /**
|
---|
5861 | * Emits code for rotating a 32-bit GPR a fixed number of bits to the left via carry.
|
---|
5862 | */
|
---|
5863 | DECL_FORCE_INLINE(uint32_t)
|
---|
5864 | iemNativeEmitAmd64RotateGpr32LeftViaCarryEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t cShift)
|
---|
5865 | {
|
---|
5866 | Assert(cShift > 0 && cShift < 32);
|
---|
5867 |
|
---|
5868 | /* rcl dst, cShift */
|
---|
5869 | if (iGprDst >= 8)
|
---|
5870 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
5871 | if (cShift != 1)
|
---|
5872 | {
|
---|
5873 | pCodeBuf[off++] = 0xc1;
|
---|
5874 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
5875 | pCodeBuf[off++] = cShift;
|
---|
5876 | }
|
---|
5877 | else
|
---|
5878 | {
|
---|
5879 | pCodeBuf[off++] = 0xd1;
|
---|
5880 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
5881 | }
|
---|
5882 |
|
---|
5883 | return off;
|
---|
5884 | }
|
---|
5885 | #endif /* RT_ARCH_AMD64 */
|
---|
5886 |
|
---|
5887 |
|
---|
5888 |
|
---|
5889 | /**
|
---|
5890 | * Emits code for reversing the byte order for a 16-bit value in a 32-bit GPR.
|
---|
5891 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5892 | */
|
---|
5893 | DECL_FORCE_INLINE(uint32_t)
|
---|
5894 | iemNativeEmitBswapGpr16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5895 | {
|
---|
5896 | #if defined(RT_ARCH_AMD64)
|
---|
5897 | /*
|
---|
5898 | * There is no bswap r16 on x86 (the encoding exists but does not work).
|
---|
5899 | * So just use a rol (gcc -O2 is doing that).
|
---|
5900 | *
|
---|
5901 | * rol r16, 0x8
|
---|
5902 | */
|
---|
5903 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
5904 | pbCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
5905 | if (iGpr >= 8)
|
---|
5906 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
5907 | pbCodeBuf[off++] = 0xc1;
|
---|
5908 | pbCodeBuf[off++] = 0xc0 | (iGpr & 7);
|
---|
5909 | pbCodeBuf[off++] = 0x08;
|
---|
5910 | #elif defined(RT_ARCH_ARM64)
|
---|
5911 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5912 |
|
---|
5913 | pu32CodeBuf[off++] = Armv8A64MkInstrRev16(iGpr, iGpr, false /*f64Bit*/);
|
---|
5914 | #else
|
---|
5915 | # error "Port me"
|
---|
5916 | #endif
|
---|
5917 |
|
---|
5918 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5919 | return off;
|
---|
5920 | }
|
---|
5921 |
|
---|
5922 |
|
---|
5923 | /**
|
---|
5924 | * Emits code for reversing the byte order in a 32-bit GPR.
|
---|
5925 | * @note Bits 63:32 of the destination GPR will be cleared.
|
---|
5926 | */
|
---|
5927 | DECL_FORCE_INLINE(uint32_t)
|
---|
5928 | iemNativeEmitBswapGpr32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5929 | {
|
---|
5930 | #if defined(RT_ARCH_AMD64)
|
---|
5931 | /* bswap r32 */
|
---|
5932 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
5933 |
|
---|
5934 | if (iGpr >= 8)
|
---|
5935 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
5936 | pbCodeBuf[off++] = 0x0f;
|
---|
5937 | pbCodeBuf[off++] = 0xc8 | (iGpr & 7);
|
---|
5938 | #elif defined(RT_ARCH_ARM64)
|
---|
5939 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5940 |
|
---|
5941 | pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, false /*f64Bit*/);
|
---|
5942 | #else
|
---|
5943 | # error "Port me"
|
---|
5944 | #endif
|
---|
5945 |
|
---|
5946 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5947 | return off;
|
---|
5948 | }
|
---|
5949 |
|
---|
5950 |
|
---|
5951 | /**
|
---|
5952 | * Emits code for reversing the byte order in a 64-bit GPR.
|
---|
5953 | */
|
---|
5954 | DECL_FORCE_INLINE(uint32_t)
|
---|
5955 | iemNativeEmitBswapGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGpr)
|
---|
5956 | {
|
---|
5957 | #if defined(RT_ARCH_AMD64)
|
---|
5958 | /* bswap r64 */
|
---|
5959 | uint8_t *pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 3);
|
---|
5960 |
|
---|
5961 | if (iGpr >= 8)
|
---|
5962 | pbCodeBuf[off++] = X86_OP_REX_W | X86_OP_REX_B;
|
---|
5963 | else
|
---|
5964 | pbCodeBuf[off++] = X86_OP_REX_W;
|
---|
5965 | pbCodeBuf[off++] = 0x0f;
|
---|
5966 | pbCodeBuf[off++] = 0xc8 | (iGpr & 7);
|
---|
5967 | #elif defined(RT_ARCH_ARM64)
|
---|
5968 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5969 |
|
---|
5970 | pu32CodeBuf[off++] = Armv8A64MkInstrRev(iGpr, iGpr, true /*f64Bit*/);
|
---|
5971 | #else
|
---|
5972 | # error "Port me"
|
---|
5973 | #endif
|
---|
5974 |
|
---|
5975 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5976 | return off;
|
---|
5977 | }
|
---|
5978 |
|
---|
5979 |
|
---|
5980 | /*********************************************************************************************************************************
|
---|
5981 | * Compare and Testing *
|
---|
5982 | *********************************************************************************************************************************/
|
---|
5983 |
|
---|
5984 |
|
---|
5985 | #ifdef RT_ARCH_ARM64
|
---|
5986 | /**
|
---|
5987 | * Emits an ARM64 compare instruction.
|
---|
5988 | */
|
---|
5989 | DECL_INLINE_THROW(uint32_t)
|
---|
5990 | iemNativeEmitCmpArm64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight,
|
---|
5991 | bool f64Bit = true, uint32_t cShift = 0, ARMV8A64INSTRSHIFT enmShift = kArmv8A64InstrShift_Lsr)
|
---|
5992 | {
|
---|
5993 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
5994 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubReg(true /*fSub*/, ARMV8_A64_REG_XZR /*iRegResult*/, iGprLeft, iGprRight,
|
---|
5995 | f64Bit, true /*fSetFlags*/, cShift, enmShift);
|
---|
5996 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
5997 | return off;
|
---|
5998 | }
|
---|
5999 | #endif
|
---|
6000 |
|
---|
6001 |
|
---|
6002 | /**
|
---|
6003 | * Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
|
---|
6004 | * with conditional instruction.
|
---|
6005 | */
|
---|
6006 | DECL_FORCE_INLINE(uint32_t)
|
---|
6007 | iemNativeEmitCmpGprWithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6008 | {
|
---|
6009 | #ifdef RT_ARCH_AMD64
|
---|
6010 | /* cmp Gv, Ev */
|
---|
6011 | pCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_R : 0) | (iGprRight >= 8 ? X86_OP_REX_B : 0);
|
---|
6012 | pCodeBuf[off++] = 0x3b;
|
---|
6013 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
|
---|
6014 |
|
---|
6015 | #elif defined(RT_ARCH_ARM64)
|
---|
6016 | pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight);
|
---|
6017 |
|
---|
6018 | #else
|
---|
6019 | # error "Port me!"
|
---|
6020 | #endif
|
---|
6021 | return off;
|
---|
6022 | }
|
---|
6023 |
|
---|
6024 |
|
---|
6025 | /**
|
---|
6026 | * Emits a compare of two 64-bit GPRs, settings status flags/whatever for use
|
---|
6027 | * with conditional instruction.
|
---|
6028 | */
|
---|
6029 | DECL_INLINE_THROW(uint32_t)
|
---|
6030 | iemNativeEmitCmpGprWithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6031 | {
|
---|
6032 | #ifdef RT_ARCH_AMD64
|
---|
6033 | off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
|
---|
6034 | #elif defined(RT_ARCH_ARM64)
|
---|
6035 | off = iemNativeEmitCmpGprWithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
|
---|
6036 | #else
|
---|
6037 | # error "Port me!"
|
---|
6038 | #endif
|
---|
6039 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6040 | return off;
|
---|
6041 | }
|
---|
6042 |
|
---|
6043 |
|
---|
6044 | /**
|
---|
6045 | * Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
|
---|
6046 | * with conditional instruction.
|
---|
6047 | */
|
---|
6048 | DECL_FORCE_INLINE(uint32_t)
|
---|
6049 | iemNativeEmitCmpGpr32WithGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6050 | {
|
---|
6051 | #ifdef RT_ARCH_AMD64
|
---|
6052 | /* cmp Gv, Ev */
|
---|
6053 | if (iGprLeft >= 8 || iGprRight >= 8)
|
---|
6054 | pCodeBuf[off++] = (iGprLeft >= 8 ? X86_OP_REX_R : 0) | (iGprRight >= 8 ? X86_OP_REX_B : 0);
|
---|
6055 | pCodeBuf[off++] = 0x3b;
|
---|
6056 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprLeft & 7, iGprRight & 7);
|
---|
6057 |
|
---|
6058 | #elif defined(RT_ARCH_ARM64)
|
---|
6059 | pCodeBuf[off++] = Armv8A64MkInstrCmpReg(iGprLeft, iGprRight, false /*f64Bit*/);
|
---|
6060 |
|
---|
6061 | #else
|
---|
6062 | # error "Port me!"
|
---|
6063 | #endif
|
---|
6064 | return off;
|
---|
6065 | }
|
---|
6066 |
|
---|
6067 |
|
---|
6068 | /**
|
---|
6069 | * Emits a compare of two 32-bit GPRs, settings status flags/whatever for use
|
---|
6070 | * with conditional instruction.
|
---|
6071 | */
|
---|
6072 | DECL_INLINE_THROW(uint32_t)
|
---|
6073 | iemNativeEmitCmpGpr32WithGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint8_t iGprRight)
|
---|
6074 | {
|
---|
6075 | #ifdef RT_ARCH_AMD64
|
---|
6076 | off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 3), off, iGprLeft, iGprRight);
|
---|
6077 | #elif defined(RT_ARCH_ARM64)
|
---|
6078 | off = iemNativeEmitCmpGpr32WithGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprLeft, iGprRight);
|
---|
6079 | #else
|
---|
6080 | # error "Port me!"
|
---|
6081 | #endif
|
---|
6082 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6083 | return off;
|
---|
6084 | }
|
---|
6085 |
|
---|
6086 |
|
---|
6087 | /**
|
---|
6088 | * Emits a compare of a 64-bit GPR with a constant value, settings status
|
---|
6089 | * flags/whatever for use with conditional instruction.
|
---|
6090 | */
|
---|
6091 | DECL_INLINE_THROW(uint32_t)
|
---|
6092 | iemNativeEmitCmpGprWithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint64_t uImm)
|
---|
6093 | {
|
---|
6094 | #ifdef RT_ARCH_AMD64
|
---|
6095 | if (uImm <= UINT32_C(0xff))
|
---|
6096 | {
|
---|
6097 | /* cmp Ev, Ib */
|
---|
6098 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 4);
|
---|
6099 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_B : 0);
|
---|
6100 | pbCodeBuf[off++] = 0x83;
|
---|
6101 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6102 | pbCodeBuf[off++] = (uint8_t)uImm;
|
---|
6103 | }
|
---|
6104 | else if ((int64_t)uImm == (int32_t)uImm)
|
---|
6105 | {
|
---|
6106 | /* cmp Ev, imm */
|
---|
6107 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
6108 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprLeft >= 8 ? X86_OP_REX_B : 0);
|
---|
6109 | pbCodeBuf[off++] = 0x81;
|
---|
6110 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6111 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6112 | pbCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6113 | pbCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6114 | pbCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
6115 | pbCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
6116 | }
|
---|
6117 | else
|
---|
6118 | {
|
---|
6119 | /* Use temporary register for the immediate. */
|
---|
6120 | uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6121 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6122 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6123 | }
|
---|
6124 |
|
---|
6125 | #elif defined(RT_ARCH_ARM64)
|
---|
6126 | /** @todo guess there are clevere things we can do here... */
|
---|
6127 | if (uImm < _4K)
|
---|
6128 | {
|
---|
6129 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6130 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6131 | true /*64Bit*/, true /*fSetFlags*/);
|
---|
6132 | }
|
---|
6133 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6134 | {
|
---|
6135 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6136 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm >> 12,
|
---|
6137 | true /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6138 | }
|
---|
6139 | else
|
---|
6140 | {
|
---|
6141 | /* Use temporary register for the immediate. */
|
---|
6142 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6143 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6144 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6145 | }
|
---|
6146 |
|
---|
6147 | #else
|
---|
6148 | # error "Port me!"
|
---|
6149 | #endif
|
---|
6150 |
|
---|
6151 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6152 | return off;
|
---|
6153 | }
|
---|
6154 |
|
---|
6155 |
|
---|
6156 | /**
|
---|
6157 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6158 | * flags/whatever for use with conditional instruction.
|
---|
6159 | *
|
---|
6160 | * @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
|
---|
6161 | * shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
|
---|
6162 | * bits all zero). Will release assert or throw exception if the caller
|
---|
6163 | * violates this restriction.
|
---|
6164 | */
|
---|
6165 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6166 | iemNativeEmitCmpGpr32WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
|
---|
6167 | {
|
---|
6168 | #ifdef RT_ARCH_AMD64
|
---|
6169 | if (iGprLeft >= 8)
|
---|
6170 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6171 | if (uImm <= UINT32_C(0x7f))
|
---|
6172 | {
|
---|
6173 | /* cmp Ev, Ib */
|
---|
6174 | pCodeBuf[off++] = 0x83;
|
---|
6175 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6176 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
6177 | }
|
---|
6178 | else
|
---|
6179 | {
|
---|
6180 | /* cmp Ev, imm */
|
---|
6181 | pCodeBuf[off++] = 0x81;
|
---|
6182 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6183 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6184 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6185 | pCodeBuf[off++] = RT_BYTE3(uImm);
|
---|
6186 | pCodeBuf[off++] = RT_BYTE4(uImm);
|
---|
6187 | }
|
---|
6188 |
|
---|
6189 | #elif defined(RT_ARCH_ARM64)
|
---|
6190 | /** @todo guess there are clevere things we can do here... */
|
---|
6191 | if (uImm < _4K)
|
---|
6192 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6193 | false /*64Bit*/, true /*fSetFlags*/);
|
---|
6194 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6195 | pCodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6196 | false /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6197 | else
|
---|
6198 | # ifdef IEM_WITH_THROW_CATCH
|
---|
6199 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
6200 | # else
|
---|
6201 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
6202 | # endif
|
---|
6203 |
|
---|
6204 | #else
|
---|
6205 | # error "Port me!"
|
---|
6206 | #endif
|
---|
6207 | return off;
|
---|
6208 | }
|
---|
6209 |
|
---|
6210 |
|
---|
6211 | /**
|
---|
6212 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6213 | * flags/whatever for use with conditional instruction.
|
---|
6214 | */
|
---|
6215 | DECL_INLINE_THROW(uint32_t)
|
---|
6216 | iemNativeEmitCmpGpr32WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint32_t uImm)
|
---|
6217 | {
|
---|
6218 | #ifdef RT_ARCH_AMD64
|
---|
6219 | off = iemNativeEmitCmpGpr32WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm);
|
---|
6220 |
|
---|
6221 | #elif defined(RT_ARCH_ARM64)
|
---|
6222 | /** @todo guess there are clevere things we can do here... */
|
---|
6223 | if (uImm < _4K)
|
---|
6224 | {
|
---|
6225 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6226 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6227 | false /*64Bit*/, true /*fSetFlags*/);
|
---|
6228 | }
|
---|
6229 | else if (uImm < RT_BIT_32(12+12) && (uImm & (_4K - 1)) == 0)
|
---|
6230 | {
|
---|
6231 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
6232 | pu32CodeBuf[off++] = Armv8A64MkInstrAddSubUImm12(true /*fSub*/, ARMV8_A64_REG_XZR, iGprLeft, (uint32_t)uImm,
|
---|
6233 | false /*64Bit*/, true /*fSetFlags*/, true /*fShift12*/);
|
---|
6234 | }
|
---|
6235 | else
|
---|
6236 | {
|
---|
6237 | /* Use temporary register for the immediate. */
|
---|
6238 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, uImm);
|
---|
6239 | off = iemNativeEmitCmpGpr32WithGpr(pReNative, off, iGprLeft, iTmpReg);
|
---|
6240 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
6241 | }
|
---|
6242 |
|
---|
6243 | #else
|
---|
6244 | # error "Port me!"
|
---|
6245 | #endif
|
---|
6246 |
|
---|
6247 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6248 | return off;
|
---|
6249 | }
|
---|
6250 |
|
---|
6251 |
|
---|
6252 | /**
|
---|
6253 | * Emits a compare of a 32-bit GPR with a constant value, settings status
|
---|
6254 | * flags/whatever for use with conditional instruction.
|
---|
6255 | *
|
---|
6256 | * @note ARM64: Helper register is required (@a idxTmpReg) for isolating the
|
---|
6257 | * 16-bit value from @a iGrpLeft.
|
---|
6258 | * @note On ARM64 the @a uImm value must be in the range 0x000..0xfff or that
|
---|
6259 | * shifted 12 bits to the left (e.g. 0x1000..0xfff0000 with the lower 12
|
---|
6260 | * bits all zero). Will release assert or throw exception if the caller
|
---|
6261 | * violates this restriction.
|
---|
6262 | */
|
---|
6263 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6264 | iemNativeEmitCmpGpr16WithImmEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
|
---|
6265 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
6266 | {
|
---|
6267 | #ifdef RT_ARCH_AMD64
|
---|
6268 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
6269 | if (iGprLeft >= 8)
|
---|
6270 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6271 | if (uImm <= UINT32_C(0x7f))
|
---|
6272 | {
|
---|
6273 | /* cmp Ev, Ib */
|
---|
6274 | pCodeBuf[off++] = 0x83;
|
---|
6275 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6276 | pCodeBuf[off++] = (uint8_t)uImm;
|
---|
6277 | }
|
---|
6278 | else
|
---|
6279 | {
|
---|
6280 | /* cmp Ev, imm */
|
---|
6281 | pCodeBuf[off++] = 0x81;
|
---|
6282 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 7, iGprLeft & 7);
|
---|
6283 | pCodeBuf[off++] = RT_BYTE1(uImm);
|
---|
6284 | pCodeBuf[off++] = RT_BYTE2(uImm);
|
---|
6285 | }
|
---|
6286 | RT_NOREF(idxTmpReg);
|
---|
6287 |
|
---|
6288 | #elif defined(RT_ARCH_ARM64)
|
---|
6289 | # ifdef IEM_WITH_THROW_CATCH
|
---|
6290 | AssertStmt(idxTmpReg < 32, IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
6291 | # else
|
---|
6292 | AssertReleaseStmt(idxTmpReg < 32, off = UINT32_MAX);
|
---|
6293 | # endif
|
---|
6294 | Assert(Armv8A64ConvertImmRImmS2Mask32(15, 0) == 0xffff);
|
---|
6295 | pCodeBuf[off++] = Armv8A64MkInstrAndImm(idxTmpReg, iGprLeft, 15, 0, false /*f64Bit*/);
|
---|
6296 | off = iemNativeEmitCmpGpr32WithImmEx(pCodeBuf, off, idxTmpReg, uImm);
|
---|
6297 |
|
---|
6298 | #else
|
---|
6299 | # error "Port me!"
|
---|
6300 | #endif
|
---|
6301 | return off;
|
---|
6302 | }
|
---|
6303 |
|
---|
6304 |
|
---|
6305 | /**
|
---|
6306 | * Emits a compare of a 16-bit GPR with a constant value, settings status
|
---|
6307 | * flags/whatever for use with conditional instruction.
|
---|
6308 | *
|
---|
6309 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
6310 | */
|
---|
6311 | DECL_INLINE_THROW(uint32_t)
|
---|
6312 | iemNativeEmitCmpGpr16WithImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprLeft, uint16_t uImm,
|
---|
6313 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
6314 | {
|
---|
6315 | #ifdef RT_ARCH_AMD64
|
---|
6316 | off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprLeft, uImm, idxTmpReg);
|
---|
6317 | #elif defined(RT_ARCH_ARM64)
|
---|
6318 | off = iemNativeEmitCmpGpr16WithImmEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iGprLeft, uImm, idxTmpReg);
|
---|
6319 | #else
|
---|
6320 | # error "Port me!"
|
---|
6321 | #endif
|
---|
6322 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6323 | return off;
|
---|
6324 | }
|
---|
6325 |
|
---|
6326 |
|
---|
6327 |
|
---|
6328 | /*********************************************************************************************************************************
|
---|
6329 | * Branching *
|
---|
6330 | *********************************************************************************************************************************/
|
---|
6331 |
|
---|
6332 | /**
|
---|
6333 | * Emits a JMP rel32 / B imm19 to the given label.
|
---|
6334 | */
|
---|
6335 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6336 | iemNativeEmitJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t idxLabel)
|
---|
6337 | {
|
---|
6338 | Assert(idxLabel < pReNative->cLabels);
|
---|
6339 |
|
---|
6340 | #ifdef RT_ARCH_AMD64
|
---|
6341 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
6342 | {
|
---|
6343 | uint32_t offRel = pReNative->paLabels[idxLabel].off - (off + 2);
|
---|
6344 | if ((int32_t)offRel < 128 && (int32_t)offRel >= -128)
|
---|
6345 | {
|
---|
6346 | pCodeBuf[off++] = 0xeb; /* jmp rel8 */
|
---|
6347 | pCodeBuf[off++] = (uint8_t)offRel;
|
---|
6348 | }
|
---|
6349 | else
|
---|
6350 | {
|
---|
6351 | offRel -= 3;
|
---|
6352 | pCodeBuf[off++] = 0xe9; /* jmp rel32 */
|
---|
6353 | pCodeBuf[off++] = RT_BYTE1(offRel);
|
---|
6354 | pCodeBuf[off++] = RT_BYTE2(offRel);
|
---|
6355 | pCodeBuf[off++] = RT_BYTE3(offRel);
|
---|
6356 | pCodeBuf[off++] = RT_BYTE4(offRel);
|
---|
6357 | }
|
---|
6358 | }
|
---|
6359 | else
|
---|
6360 | {
|
---|
6361 | pCodeBuf[off++] = 0xe9; /* jmp rel32 */
|
---|
6362 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
|
---|
6363 | pCodeBuf[off++] = 0xfe;
|
---|
6364 | pCodeBuf[off++] = 0xff;
|
---|
6365 | pCodeBuf[off++] = 0xff;
|
---|
6366 | pCodeBuf[off++] = 0xff;
|
---|
6367 | }
|
---|
6368 | pCodeBuf[off++] = 0xcc; /* int3 poison */
|
---|
6369 |
|
---|
6370 | #elif defined(RT_ARCH_ARM64)
|
---|
6371 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
6372 | {
|
---|
6373 | pCodeBuf[off] = Armv8A64MkInstrB(pReNative->paLabels[idxLabel].off - off);
|
---|
6374 | off++;
|
---|
6375 | }
|
---|
6376 | else
|
---|
6377 | {
|
---|
6378 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm26At0);
|
---|
6379 | pCodeBuf[off++] = Armv8A64MkInstrB(-1);
|
---|
6380 | }
|
---|
6381 |
|
---|
6382 | #else
|
---|
6383 | # error "Port me!"
|
---|
6384 | #endif
|
---|
6385 | return off;
|
---|
6386 | }
|
---|
6387 |
|
---|
6388 |
|
---|
6389 | /**
|
---|
6390 | * Emits a JMP rel32 / B imm19 to the given label.
|
---|
6391 | */
|
---|
6392 | DECL_INLINE_THROW(uint32_t)
|
---|
6393 | iemNativeEmitJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6394 | {
|
---|
6395 | #ifdef RT_ARCH_AMD64
|
---|
6396 | off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel);
|
---|
6397 | #elif defined(RT_ARCH_ARM64)
|
---|
6398 | off = iemNativeEmitJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel);
|
---|
6399 | #else
|
---|
6400 | # error "Port me!"
|
---|
6401 | #endif
|
---|
6402 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6403 | return off;
|
---|
6404 | }
|
---|
6405 |
|
---|
6406 |
|
---|
6407 | /**
|
---|
6408 | * Emits a JMP rel32 / B imm19 to a new undefined label.
|
---|
6409 | */
|
---|
6410 | DECL_INLINE_THROW(uint32_t)
|
---|
6411 | iemNativeEmitJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6412 | {
|
---|
6413 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
6414 | return iemNativeEmitJmpToLabel(pReNative, off, idxLabel);
|
---|
6415 | }
|
---|
6416 |
|
---|
6417 | /** Condition type. */
|
---|
6418 | #ifdef RT_ARCH_AMD64
|
---|
6419 | typedef enum IEMNATIVEINSTRCOND : uint8_t
|
---|
6420 | {
|
---|
6421 | kIemNativeInstrCond_o = 0,
|
---|
6422 | kIemNativeInstrCond_no,
|
---|
6423 | kIemNativeInstrCond_c,
|
---|
6424 | kIemNativeInstrCond_nc,
|
---|
6425 | kIemNativeInstrCond_e,
|
---|
6426 | kIemNativeInstrCond_z = kIemNativeInstrCond_e,
|
---|
6427 | kIemNativeInstrCond_ne,
|
---|
6428 | kIemNativeInstrCond_nz = kIemNativeInstrCond_ne,
|
---|
6429 | kIemNativeInstrCond_be,
|
---|
6430 | kIemNativeInstrCond_nbe,
|
---|
6431 | kIemNativeInstrCond_s,
|
---|
6432 | kIemNativeInstrCond_ns,
|
---|
6433 | kIemNativeInstrCond_p,
|
---|
6434 | kIemNativeInstrCond_np,
|
---|
6435 | kIemNativeInstrCond_l,
|
---|
6436 | kIemNativeInstrCond_nl,
|
---|
6437 | kIemNativeInstrCond_le,
|
---|
6438 | kIemNativeInstrCond_nle
|
---|
6439 | } IEMNATIVEINSTRCOND;
|
---|
6440 | #elif defined(RT_ARCH_ARM64)
|
---|
6441 | typedef ARMV8INSTRCOND IEMNATIVEINSTRCOND;
|
---|
6442 | # define kIemNativeInstrCond_o todo_conditional_codes
|
---|
6443 | # define kIemNativeInstrCond_no todo_conditional_codes
|
---|
6444 | # define kIemNativeInstrCond_c todo_conditional_codes
|
---|
6445 | # define kIemNativeInstrCond_nc todo_conditional_codes
|
---|
6446 | # define kIemNativeInstrCond_e kArmv8InstrCond_Eq
|
---|
6447 | # define kIemNativeInstrCond_ne kArmv8InstrCond_Ne
|
---|
6448 | # define kIemNativeInstrCond_be kArmv8InstrCond_Ls
|
---|
6449 | # define kIemNativeInstrCond_nbe kArmv8InstrCond_Hi
|
---|
6450 | # define kIemNativeInstrCond_s todo_conditional_codes
|
---|
6451 | # define kIemNativeInstrCond_ns todo_conditional_codes
|
---|
6452 | # define kIemNativeInstrCond_p todo_conditional_codes
|
---|
6453 | # define kIemNativeInstrCond_np todo_conditional_codes
|
---|
6454 | # define kIemNativeInstrCond_l kArmv8InstrCond_Lt
|
---|
6455 | # define kIemNativeInstrCond_nl kArmv8InstrCond_Ge
|
---|
6456 | # define kIemNativeInstrCond_le kArmv8InstrCond_Le
|
---|
6457 | # define kIemNativeInstrCond_nle kArmv8InstrCond_Gt
|
---|
6458 | #else
|
---|
6459 | # error "Port me!"
|
---|
6460 | #endif
|
---|
6461 |
|
---|
6462 |
|
---|
6463 | /**
|
---|
6464 | * Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
|
---|
6465 | */
|
---|
6466 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
6467 | iemNativeEmitJccToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
6468 | uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
|
---|
6469 | {
|
---|
6470 | Assert(idxLabel < pReNative->cLabels);
|
---|
6471 |
|
---|
6472 | uint32_t const offLabel = pReNative->paLabels[idxLabel].off;
|
---|
6473 | #ifdef RT_ARCH_AMD64
|
---|
6474 | if (offLabel >= off)
|
---|
6475 | {
|
---|
6476 | /* jcc rel32 */
|
---|
6477 | pCodeBuf[off++] = 0x0f;
|
---|
6478 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6479 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_Rel32, -4);
|
---|
6480 | pCodeBuf[off++] = 0x00;
|
---|
6481 | pCodeBuf[off++] = 0x00;
|
---|
6482 | pCodeBuf[off++] = 0x00;
|
---|
6483 | pCodeBuf[off++] = 0x00;
|
---|
6484 | }
|
---|
6485 | else
|
---|
6486 | {
|
---|
6487 | int32_t offDisp = offLabel - (off + 2);
|
---|
6488 | if ((int8_t)offDisp == offDisp)
|
---|
6489 | {
|
---|
6490 | /* jcc rel8 */
|
---|
6491 | pCodeBuf[off++] = (uint8_t)enmCond | 0x70;
|
---|
6492 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6493 | }
|
---|
6494 | else
|
---|
6495 | {
|
---|
6496 | /* jcc rel32 */
|
---|
6497 | offDisp -= 4;
|
---|
6498 | pCodeBuf[off++] = 0x0f;
|
---|
6499 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6500 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6501 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6502 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6503 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6504 | }
|
---|
6505 | }
|
---|
6506 |
|
---|
6507 | #elif defined(RT_ARCH_ARM64)
|
---|
6508 | if (offLabel >= off)
|
---|
6509 | {
|
---|
6510 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
6511 | pCodeBuf[off++] = Armv8A64MkInstrBCond(enmCond, -1);
|
---|
6512 | }
|
---|
6513 | else
|
---|
6514 | {
|
---|
6515 | Assert(off - offLabel <= 0x3ffffU);
|
---|
6516 | pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, offLabel - off);
|
---|
6517 | off++;
|
---|
6518 | }
|
---|
6519 |
|
---|
6520 | #else
|
---|
6521 | # error "Port me!"
|
---|
6522 | #endif
|
---|
6523 | return off;
|
---|
6524 | }
|
---|
6525 |
|
---|
6526 |
|
---|
6527 | /**
|
---|
6528 | * Emits a Jcc rel32 / B.cc imm19 to the given label (ASSUMED requiring fixup).
|
---|
6529 | */
|
---|
6530 | DECL_INLINE_THROW(uint32_t)
|
---|
6531 | iemNativeEmitJccToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel, IEMNATIVEINSTRCOND enmCond)
|
---|
6532 | {
|
---|
6533 | #ifdef RT_ARCH_AMD64
|
---|
6534 | off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 6), off, idxLabel, enmCond);
|
---|
6535 | #elif defined(RT_ARCH_ARM64)
|
---|
6536 | off = iemNativeEmitJccToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1), off, idxLabel, enmCond);
|
---|
6537 | #else
|
---|
6538 | # error "Port me!"
|
---|
6539 | #endif
|
---|
6540 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6541 | return off;
|
---|
6542 | }
|
---|
6543 |
|
---|
6544 |
|
---|
6545 | /**
|
---|
6546 | * Emits a Jcc rel32 / B.cc imm19 to a new label.
|
---|
6547 | */
|
---|
6548 | DECL_INLINE_THROW(uint32_t)
|
---|
6549 | iemNativeEmitJccToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6550 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData, IEMNATIVEINSTRCOND enmCond)
|
---|
6551 | {
|
---|
6552 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
6553 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, enmCond);
|
---|
6554 | }
|
---|
6555 |
|
---|
6556 |
|
---|
6557 | /**
|
---|
6558 | * Emits a JZ/JE rel32 / B.EQ imm19 to the given label.
|
---|
6559 | */
|
---|
6560 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6561 | {
|
---|
6562 | #ifdef RT_ARCH_AMD64
|
---|
6563 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_e);
|
---|
6564 | #elif defined(RT_ARCH_ARM64)
|
---|
6565 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Eq);
|
---|
6566 | #else
|
---|
6567 | # error "Port me!"
|
---|
6568 | #endif
|
---|
6569 | }
|
---|
6570 |
|
---|
6571 | /**
|
---|
6572 | * Emits a JZ/JE rel32 / B.EQ imm19 to a new label.
|
---|
6573 | */
|
---|
6574 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6575 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6576 | {
|
---|
6577 | #ifdef RT_ARCH_AMD64
|
---|
6578 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_e);
|
---|
6579 | #elif defined(RT_ARCH_ARM64)
|
---|
6580 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Eq);
|
---|
6581 | #else
|
---|
6582 | # error "Port me!"
|
---|
6583 | #endif
|
---|
6584 | }
|
---|
6585 |
|
---|
6586 |
|
---|
6587 | /**
|
---|
6588 | * Emits a JNZ/JNE rel32 / B.NE imm19 to the given label.
|
---|
6589 | */
|
---|
6590 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6591 | {
|
---|
6592 | #ifdef RT_ARCH_AMD64
|
---|
6593 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_ne);
|
---|
6594 | #elif defined(RT_ARCH_ARM64)
|
---|
6595 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ne);
|
---|
6596 | #else
|
---|
6597 | # error "Port me!"
|
---|
6598 | #endif
|
---|
6599 | }
|
---|
6600 |
|
---|
6601 | /**
|
---|
6602 | * Emits a JNZ/JNE rel32 / B.NE imm19 to a new label.
|
---|
6603 | */
|
---|
6604 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6605 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6606 | {
|
---|
6607 | #ifdef RT_ARCH_AMD64
|
---|
6608 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_ne);
|
---|
6609 | #elif defined(RT_ARCH_ARM64)
|
---|
6610 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ne);
|
---|
6611 | #else
|
---|
6612 | # error "Port me!"
|
---|
6613 | #endif
|
---|
6614 | }
|
---|
6615 |
|
---|
6616 |
|
---|
6617 | /**
|
---|
6618 | * Emits a JBE/JNA rel32 / B.LS imm19 to the given label.
|
---|
6619 | */
|
---|
6620 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6621 | {
|
---|
6622 | #ifdef RT_ARCH_AMD64
|
---|
6623 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_be);
|
---|
6624 | #elif defined(RT_ARCH_ARM64)
|
---|
6625 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Ls);
|
---|
6626 | #else
|
---|
6627 | # error "Port me!"
|
---|
6628 | #endif
|
---|
6629 | }
|
---|
6630 |
|
---|
6631 | /**
|
---|
6632 | * Emits a JBE/JNA rel32 / B.LS imm19 to a new label.
|
---|
6633 | */
|
---|
6634 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6635 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6636 | {
|
---|
6637 | #ifdef RT_ARCH_AMD64
|
---|
6638 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_be);
|
---|
6639 | #elif defined(RT_ARCH_ARM64)
|
---|
6640 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Ls);
|
---|
6641 | #else
|
---|
6642 | # error "Port me!"
|
---|
6643 | #endif
|
---|
6644 | }
|
---|
6645 |
|
---|
6646 |
|
---|
6647 | /**
|
---|
6648 | * Emits a JA/JNBE rel32 / B.HI imm19 to the given label.
|
---|
6649 | */
|
---|
6650 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6651 | {
|
---|
6652 | #ifdef RT_ARCH_AMD64
|
---|
6653 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_nbe);
|
---|
6654 | #elif defined(RT_ARCH_ARM64)
|
---|
6655 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Hi);
|
---|
6656 | #else
|
---|
6657 | # error "Port me!"
|
---|
6658 | #endif
|
---|
6659 | }
|
---|
6660 |
|
---|
6661 | /**
|
---|
6662 | * Emits a JA/JNBE rel32 / B.HI imm19 to a new label.
|
---|
6663 | */
|
---|
6664 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6665 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6666 | {
|
---|
6667 | #ifdef RT_ARCH_AMD64
|
---|
6668 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_nbe);
|
---|
6669 | #elif defined(RT_ARCH_ARM64)
|
---|
6670 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Hi);
|
---|
6671 | #else
|
---|
6672 | # error "Port me!"
|
---|
6673 | #endif
|
---|
6674 | }
|
---|
6675 |
|
---|
6676 |
|
---|
6677 | /**
|
---|
6678 | * Emits a JL/JNGE rel32 / B.LT imm19 to the given label.
|
---|
6679 | */
|
---|
6680 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t idxLabel)
|
---|
6681 | {
|
---|
6682 | #ifdef RT_ARCH_AMD64
|
---|
6683 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kIemNativeInstrCond_l);
|
---|
6684 | #elif defined(RT_ARCH_ARM64)
|
---|
6685 | return iemNativeEmitJccToLabel(pReNative, off, idxLabel, kArmv8InstrCond_Lt);
|
---|
6686 | #else
|
---|
6687 | # error "Port me!"
|
---|
6688 | #endif
|
---|
6689 | }
|
---|
6690 |
|
---|
6691 | /**
|
---|
6692 | * Emits a JA/JNGE rel32 / B.HI imm19 to a new label.
|
---|
6693 | */
|
---|
6694 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJlToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
6695 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
6696 | {
|
---|
6697 | #ifdef RT_ARCH_AMD64
|
---|
6698 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kIemNativeInstrCond_l);
|
---|
6699 | #elif defined(RT_ARCH_ARM64)
|
---|
6700 | return iemNativeEmitJccToNewLabel(pReNative, off, enmLabelType, uData, kArmv8InstrCond_Lt);
|
---|
6701 | #else
|
---|
6702 | # error "Port me!"
|
---|
6703 | #endif
|
---|
6704 | }
|
---|
6705 |
|
---|
6706 |
|
---|
6707 | /**
|
---|
6708 | * Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
|
---|
6709 | *
|
---|
6710 | * @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
|
---|
6711 | *
|
---|
6712 | * Only use hardcoded jumps forward when emitting for exactly one
|
---|
6713 | * platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
|
---|
6714 | * the right target address on all platforms!
|
---|
6715 | *
|
---|
6716 | * Please also note that on x86 it is necessary pass off + 256 or higher
|
---|
6717 | * for @a offTarget one believe the intervening code is more than 127
|
---|
6718 | * bytes long.
|
---|
6719 | */
|
---|
6720 | DECL_FORCE_INLINE(uint32_t)
|
---|
6721 | iemNativeEmitJccToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
|
---|
6722 | {
|
---|
6723 | #ifdef RT_ARCH_AMD64
|
---|
6724 | /* jcc rel8 / rel32 */
|
---|
6725 | int32_t offDisp = (int32_t)(offTarget - (off + 2));
|
---|
6726 | if (offDisp < 128 && offDisp >= -128)
|
---|
6727 | {
|
---|
6728 | pCodeBuf[off++] = (uint8_t)enmCond | 0x70;
|
---|
6729 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6730 | }
|
---|
6731 | else
|
---|
6732 | {
|
---|
6733 | offDisp -= 4;
|
---|
6734 | pCodeBuf[off++] = 0x0f;
|
---|
6735 | pCodeBuf[off++] = (uint8_t)enmCond | 0x80;
|
---|
6736 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6737 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6738 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6739 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6740 | }
|
---|
6741 |
|
---|
6742 | #elif defined(RT_ARCH_ARM64)
|
---|
6743 | pCodeBuf[off] = Armv8A64MkInstrBCond(enmCond, (int32_t)(offTarget - off));
|
---|
6744 | off++;
|
---|
6745 | #else
|
---|
6746 | # error "Port me!"
|
---|
6747 | #endif
|
---|
6748 | return off;
|
---|
6749 | }
|
---|
6750 |
|
---|
6751 |
|
---|
6752 | /**
|
---|
6753 | * Emits a Jcc rel32 / B.cc imm19 with a fixed displacement.
|
---|
6754 | *
|
---|
6755 | * @note The @a offTarget is the absolute jump target (unit is IEMNATIVEINSTR).
|
---|
6756 | *
|
---|
6757 | * Only use hardcoded jumps forward when emitting for exactly one
|
---|
6758 | * platform, otherwise apply iemNativeFixupFixedJump() to ensure hitting
|
---|
6759 | * the right target address on all platforms!
|
---|
6760 | *
|
---|
6761 | * Please also note that on x86 it is necessary pass off + 256 or higher
|
---|
6762 | * for @a offTarget if one believe the intervening code is more than 127
|
---|
6763 | * bytes long.
|
---|
6764 | */
|
---|
6765 | DECL_INLINE_THROW(uint32_t)
|
---|
6766 | iemNativeEmitJccToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget, IEMNATIVEINSTRCOND enmCond)
|
---|
6767 | {
|
---|
6768 | #ifdef RT_ARCH_AMD64
|
---|
6769 | off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 6), off, offTarget, enmCond);
|
---|
6770 | #elif defined(RT_ARCH_ARM64)
|
---|
6771 | off = iemNativeEmitJccToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget, enmCond);
|
---|
6772 | #else
|
---|
6773 | # error "Port me!"
|
---|
6774 | #endif
|
---|
6775 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6776 | return off;
|
---|
6777 | }
|
---|
6778 |
|
---|
6779 |
|
---|
6780 | /**
|
---|
6781 | * Emits a JZ/JE rel32 / B.EQ imm19 with a fixed displacement.
|
---|
6782 | *
|
---|
6783 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6784 | */
|
---|
6785 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6786 | {
|
---|
6787 | #ifdef RT_ARCH_AMD64
|
---|
6788 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_e);
|
---|
6789 | #elif defined(RT_ARCH_ARM64)
|
---|
6790 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Eq);
|
---|
6791 | #else
|
---|
6792 | # error "Port me!"
|
---|
6793 | #endif
|
---|
6794 | }
|
---|
6795 |
|
---|
6796 |
|
---|
6797 | /**
|
---|
6798 | * Emits a JNZ/JNE rel32 / B.NE imm19 with a fixed displacement.
|
---|
6799 | *
|
---|
6800 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6801 | */
|
---|
6802 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJnzToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6803 | {
|
---|
6804 | #ifdef RT_ARCH_AMD64
|
---|
6805 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_ne);
|
---|
6806 | #elif defined(RT_ARCH_ARM64)
|
---|
6807 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ne);
|
---|
6808 | #else
|
---|
6809 | # error "Port me!"
|
---|
6810 | #endif
|
---|
6811 | }
|
---|
6812 |
|
---|
6813 |
|
---|
6814 | /**
|
---|
6815 | * Emits a JBE/JNA rel32 / B.LS imm19 with a fixed displacement.
|
---|
6816 | *
|
---|
6817 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6818 | */
|
---|
6819 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJbeToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6820 | {
|
---|
6821 | #ifdef RT_ARCH_AMD64
|
---|
6822 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_be);
|
---|
6823 | #elif defined(RT_ARCH_ARM64)
|
---|
6824 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Ls);
|
---|
6825 | #else
|
---|
6826 | # error "Port me!"
|
---|
6827 | #endif
|
---|
6828 | }
|
---|
6829 |
|
---|
6830 |
|
---|
6831 | /**
|
---|
6832 | * Emits a JA/JNBE rel32 / B.HI imm19 with a fixed displacement.
|
---|
6833 | *
|
---|
6834 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6835 | */
|
---|
6836 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJaToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6837 | {
|
---|
6838 | #ifdef RT_ARCH_AMD64
|
---|
6839 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kIemNativeInstrCond_nbe);
|
---|
6840 | #elif defined(RT_ARCH_ARM64)
|
---|
6841 | return iemNativeEmitJccToFixed(pReNative, off, offTarget, kArmv8InstrCond_Hi);
|
---|
6842 | #else
|
---|
6843 | # error "Port me!"
|
---|
6844 | #endif
|
---|
6845 | }
|
---|
6846 |
|
---|
6847 |
|
---|
6848 | /**
|
---|
6849 | * Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
|
---|
6850 | *
|
---|
6851 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6852 | */
|
---|
6853 | DECL_FORCE_INLINE(uint32_t) iemNativeEmitJmpToFixedEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint32_t offTarget)
|
---|
6854 | {
|
---|
6855 | #ifdef RT_ARCH_AMD64
|
---|
6856 | /* jmp rel8 or rel32 */
|
---|
6857 | int32_t offDisp = offTarget - (off + 2);
|
---|
6858 | if (offDisp < 128 && offDisp >= -128)
|
---|
6859 | {
|
---|
6860 | pCodeBuf[off++] = 0xeb;
|
---|
6861 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6862 | }
|
---|
6863 | else
|
---|
6864 | {
|
---|
6865 | offDisp -= 3;
|
---|
6866 | pCodeBuf[off++] = 0xe9;
|
---|
6867 | pCodeBuf[off++] = RT_BYTE1((uint32_t)offDisp);
|
---|
6868 | pCodeBuf[off++] = RT_BYTE2((uint32_t)offDisp);
|
---|
6869 | pCodeBuf[off++] = RT_BYTE3((uint32_t)offDisp);
|
---|
6870 | pCodeBuf[off++] = RT_BYTE4((uint32_t)offDisp);
|
---|
6871 | }
|
---|
6872 |
|
---|
6873 | #elif defined(RT_ARCH_ARM64)
|
---|
6874 | pCodeBuf[off] = Armv8A64MkInstrB((int32_t)(offTarget - off));
|
---|
6875 | off++;
|
---|
6876 |
|
---|
6877 | #else
|
---|
6878 | # error "Port me!"
|
---|
6879 | #endif
|
---|
6880 | return off;
|
---|
6881 | }
|
---|
6882 |
|
---|
6883 |
|
---|
6884 | /**
|
---|
6885 | * Emits a JMP rel32/rel8 / B imm26 with a fixed displacement.
|
---|
6886 | *
|
---|
6887 | * See notes on @a offTarget in the iemNativeEmitJccToFixed() documentation.
|
---|
6888 | */
|
---|
6889 | DECL_INLINE_THROW(uint32_t) iemNativeEmitJmpToFixed(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint32_t offTarget)
|
---|
6890 | {
|
---|
6891 | #ifdef RT_ARCH_AMD64
|
---|
6892 | off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 5), off, offTarget);
|
---|
6893 | #elif defined(RT_ARCH_ARM64)
|
---|
6894 | off = iemNativeEmitJmpToFixedEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, offTarget);
|
---|
6895 | #else
|
---|
6896 | # error "Port me!"
|
---|
6897 | #endif
|
---|
6898 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
6899 | return off;
|
---|
6900 | }
|
---|
6901 |
|
---|
6902 |
|
---|
6903 | /**
|
---|
6904 | * Fixes up a conditional jump to a fixed label.
|
---|
6905 | * @see iemNativeEmitJmpToFixed, iemNativeEmitJnzToFixed,
|
---|
6906 | * iemNativeEmitJzToFixed, ...
|
---|
6907 | */
|
---|
6908 | DECL_INLINE_THROW(void) iemNativeFixupFixedJump(PIEMRECOMPILERSTATE pReNative, uint32_t offFixup, uint32_t offTarget)
|
---|
6909 | {
|
---|
6910 | #ifdef RT_ARCH_AMD64
|
---|
6911 | uint8_t * const pbCodeBuf = pReNative->pInstrBuf;
|
---|
6912 | uint8_t const bOpcode = pbCodeBuf[offFixup];
|
---|
6913 | if ((uint8_t)(bOpcode - 0x70) < (uint8_t)0x10 || bOpcode == 0xeb)
|
---|
6914 | {
|
---|
6915 | pbCodeBuf[offFixup + 1] = (uint8_t)(offTarget - (offFixup + 2));
|
---|
6916 | AssertStmt(pbCodeBuf[offFixup + 1] == offTarget - (offFixup + 2),
|
---|
6917 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_FIXED_JUMP_OUT_OF_RANGE));
|
---|
6918 | }
|
---|
6919 | else
|
---|
6920 | {
|
---|
6921 | if (bOpcode != 0x0f)
|
---|
6922 | Assert(bOpcode == 0xe9);
|
---|
6923 | else
|
---|
6924 | {
|
---|
6925 | offFixup += 1;
|
---|
6926 | Assert((uint8_t)(pbCodeBuf[offFixup] - 0x80) <= 0x10);
|
---|
6927 | }
|
---|
6928 | uint32_t const offRel32 = offTarget - (offFixup + 5);
|
---|
6929 | pbCodeBuf[offFixup + 1] = RT_BYTE1(offRel32);
|
---|
6930 | pbCodeBuf[offFixup + 2] = RT_BYTE2(offRel32);
|
---|
6931 | pbCodeBuf[offFixup + 3] = RT_BYTE3(offRel32);
|
---|
6932 | pbCodeBuf[offFixup + 4] = RT_BYTE4(offRel32);
|
---|
6933 | }
|
---|
6934 |
|
---|
6935 | #elif defined(RT_ARCH_ARM64)
|
---|
6936 | uint32_t * const pu32CodeBuf = pReNative->pInstrBuf;
|
---|
6937 | if ((pu32CodeBuf[offFixup] & UINT32_C(0xff000000)) == UINT32_C(0x54000000))
|
---|
6938 | {
|
---|
6939 | /* B.COND + BC.COND */
|
---|
6940 | int32_t const offDisp = offTarget - offFixup;
|
---|
6941 | Assert(offDisp >= -262144 && offDisp < 262144);
|
---|
6942 | pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xff00001f))
|
---|
6943 | | (((uint32_t)offDisp & UINT32_C(0x0007ffff)) << 5);
|
---|
6944 | }
|
---|
6945 | else
|
---|
6946 | {
|
---|
6947 | /* B imm26 */
|
---|
6948 | Assert((pu32CodeBuf[offFixup] & UINT32_C(0xfc000000)) == UINT32_C(0x14000000));
|
---|
6949 | int32_t const offDisp = offTarget - offFixup;
|
---|
6950 | Assert(offDisp >= -33554432 && offDisp < 33554432);
|
---|
6951 | pu32CodeBuf[offFixup] = (pu32CodeBuf[offFixup] & UINT32_C(0xfc000000))
|
---|
6952 | | ((uint32_t)offDisp & UINT32_C(0x03ffffff));
|
---|
6953 | }
|
---|
6954 |
|
---|
6955 | #else
|
---|
6956 | # error "Port me!"
|
---|
6957 | #endif
|
---|
6958 | }
|
---|
6959 |
|
---|
6960 |
|
---|
6961 | #ifdef RT_ARCH_AMD64
|
---|
6962 | /**
|
---|
6963 | * For doing bt on a register.
|
---|
6964 | */
|
---|
6965 | DECL_INLINE_THROW(uint32_t)
|
---|
6966 | iemNativeEmitAmd64TestBitInGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t iBitNo)
|
---|
6967 | {
|
---|
6968 | Assert(iBitNo < 64);
|
---|
6969 | /* bt Ev, imm8 */
|
---|
6970 | if (iBitNo >= 32)
|
---|
6971 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
6972 | else if (iGprSrc >= 8)
|
---|
6973 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
6974 | pCodeBuf[off++] = 0x0f;
|
---|
6975 | pCodeBuf[off++] = 0xba;
|
---|
6976 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
|
---|
6977 | pCodeBuf[off++] = iBitNo;
|
---|
6978 | return off;
|
---|
6979 | }
|
---|
6980 | #endif /* RT_ARCH_AMD64 */
|
---|
6981 |
|
---|
6982 |
|
---|
6983 | /**
|
---|
6984 | * Internal helper, don't call directly.
|
---|
6985 | */
|
---|
6986 | DECL_INLINE_THROW(uint32_t)
|
---|
6987 | iemNativeEmitTestBitInGprAndJmpToLabelIfCc(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
|
---|
6988 | uint8_t iBitNo, uint32_t idxLabel, bool fJmpIfSet)
|
---|
6989 | {
|
---|
6990 | Assert(iBitNo < 64);
|
---|
6991 | #ifdef RT_ARCH_AMD64
|
---|
6992 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
6993 | if (iBitNo < 8)
|
---|
6994 | {
|
---|
6995 | /* test Eb, imm8 */
|
---|
6996 | if (iGprSrc >= 4)
|
---|
6997 | pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
6998 | pbCodeBuf[off++] = 0xf6;
|
---|
6999 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7000 | pbCodeBuf[off++] = (uint8_t)1 << iBitNo;
|
---|
7001 | off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
|
---|
7002 | }
|
---|
7003 | else
|
---|
7004 | {
|
---|
7005 | /* bt Ev, imm8 */
|
---|
7006 | if (iBitNo >= 32)
|
---|
7007 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
7008 | else if (iGprSrc >= 8)
|
---|
7009 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
7010 | pbCodeBuf[off++] = 0x0f;
|
---|
7011 | pbCodeBuf[off++] = 0xba;
|
---|
7012 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 4, iGprSrc & 7);
|
---|
7013 | pbCodeBuf[off++] = iBitNo;
|
---|
7014 | off = iemNativeEmitJccToLabel(pReNative, off, idxLabel, fJmpIfSet ? kIemNativeInstrCond_c : kIemNativeInstrCond_nc);
|
---|
7015 | }
|
---|
7016 |
|
---|
7017 | #elif defined(RT_ARCH_ARM64)
|
---|
7018 | /* Use the TBNZ instruction here. */
|
---|
7019 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
7020 | if (pReNative->paLabels[idxLabel].enmType > kIemNativeLabelType_LastWholeTbBranch)
|
---|
7021 | {
|
---|
7022 | AssertMsg(pReNative->paLabels[idxLabel].off == UINT32_MAX,
|
---|
7023 | ("TODO: Please enable & test commented out code for jumping back to a predefined label.\n"));
|
---|
7024 | //uint32_t offLabel = pReNative->paLabels[idxLabel].off;
|
---|
7025 | //if (offLabel == UINT32_MAX)
|
---|
7026 | {
|
---|
7027 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm14At5);
|
---|
7028 | pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, 0, iGprSrc, iBitNo);
|
---|
7029 | }
|
---|
7030 | //else
|
---|
7031 | //{
|
---|
7032 | // RT_BREAKPOINT();
|
---|
7033 | // Assert(off - offLabel <= 0x1fffU);
|
---|
7034 | // pu32CodeBuf[off++] = Armv8A64MkInstrTbzTbnz(fJmpIfSet, offLabel - off, iGprSrc, iBitNo);
|
---|
7035 | //
|
---|
7036 | //}
|
---|
7037 | }
|
---|
7038 | else
|
---|
7039 | {
|
---|
7040 | Assert(Armv8A64ConvertImmRImmS2Mask64(0x40, (64U - iBitNo) & 63U) == RT_BIT_64(iBitNo));
|
---|
7041 | pu32CodeBuf[off++] = Armv8A64MkInstrTstImm(iGprSrc, 0x40, (64U - iBitNo) & 63U);
|
---|
7042 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
7043 | pu32CodeBuf[off++] = Armv8A64MkInstrBCond(fJmpIfSet ? kArmv8InstrCond_Ne : kArmv8InstrCond_Eq, 0);
|
---|
7044 | }
|
---|
7045 |
|
---|
7046 | #else
|
---|
7047 | # error "Port me!"
|
---|
7048 | #endif
|
---|
7049 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7050 | return off;
|
---|
7051 | }
|
---|
7052 |
|
---|
7053 |
|
---|
7054 | /**
|
---|
7055 | * Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _set_ in
|
---|
7056 | * @a iGprSrc.
|
---|
7057 | *
|
---|
7058 | * @note On ARM64 the range is only +/-8191 instructions.
|
---|
7059 | */
|
---|
7060 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7061 | uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
|
---|
7062 | {
|
---|
7063 | return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, true /*fJmpIfSet*/);
|
---|
7064 | }
|
---|
7065 |
|
---|
7066 |
|
---|
7067 | /**
|
---|
7068 | * Emits a jump to @a idxLabel on the condition that bit @a iBitNo _is_ _not_
|
---|
7069 | * _set_ in @a iGprSrc.
|
---|
7070 | *
|
---|
7071 | * @note On ARM64 the range is only +/-8191 instructions.
|
---|
7072 | */
|
---|
7073 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestBitInGprAndJmpToLabelIfNotSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7074 | uint8_t iGprSrc, uint8_t iBitNo, uint32_t idxLabel)
|
---|
7075 | {
|
---|
7076 | return iemNativeEmitTestBitInGprAndJmpToLabelIfCc(pReNative, off, iGprSrc, iBitNo, idxLabel, false /*fJmpIfSet*/);
|
---|
7077 | }
|
---|
7078 |
|
---|
7079 |
|
---|
7080 | /**
|
---|
7081 | * Emits a test for any of the bits from @a fBits in @a iGprSrc, setting CPU
|
---|
7082 | * flags accordingly.
|
---|
7083 | */
|
---|
7084 | DECL_INLINE_THROW(uint32_t)
|
---|
7085 | iemNativeEmitTestAnyBitsInGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t fBits)
|
---|
7086 | {
|
---|
7087 | Assert(fBits != 0);
|
---|
7088 | #ifdef RT_ARCH_AMD64
|
---|
7089 |
|
---|
7090 | if (fBits >= UINT32_MAX)
|
---|
7091 | {
|
---|
7092 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7093 |
|
---|
7094 | /* test Ev,Gv */
|
---|
7095 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
7096 | pbCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R) | (iTmpReg < 8 ? 0 : X86_OP_REX_B);
|
---|
7097 | pbCodeBuf[off++] = 0x85;
|
---|
7098 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 8, iTmpReg & 7);
|
---|
7099 |
|
---|
7100 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7101 | }
|
---|
7102 | else if (fBits <= UINT32_MAX)
|
---|
7103 | {
|
---|
7104 | /* test Eb, imm8 or test Ev, imm32 */
|
---|
7105 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 7);
|
---|
7106 | if (fBits <= UINT8_MAX)
|
---|
7107 | {
|
---|
7108 | if (iGprSrc >= 4)
|
---|
7109 | pbCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7110 | pbCodeBuf[off++] = 0xf6;
|
---|
7111 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7112 | pbCodeBuf[off++] = (uint8_t)fBits;
|
---|
7113 | }
|
---|
7114 | else
|
---|
7115 | {
|
---|
7116 | if (iGprSrc >= 8)
|
---|
7117 | pbCodeBuf[off++] = X86_OP_REX_B;
|
---|
7118 | pbCodeBuf[off++] = 0xf7;
|
---|
7119 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7120 | pbCodeBuf[off++] = RT_BYTE1(fBits);
|
---|
7121 | pbCodeBuf[off++] = RT_BYTE2(fBits);
|
---|
7122 | pbCodeBuf[off++] = RT_BYTE3(fBits);
|
---|
7123 | pbCodeBuf[off++] = RT_BYTE4(fBits);
|
---|
7124 | }
|
---|
7125 | }
|
---|
7126 | /** @todo implement me. */
|
---|
7127 | else
|
---|
7128 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_EMIT_CASE_NOT_IMPLEMENTED_1));
|
---|
7129 |
|
---|
7130 | #elif defined(RT_ARCH_ARM64)
|
---|
7131 | uint32_t uImmR = 0;
|
---|
7132 | uint32_t uImmNandS = 0;
|
---|
7133 | if (Armv8A64ConvertMask64ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7134 | {
|
---|
7135 | /* ands xzr, iGprSrc, #fBits */
|
---|
7136 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7137 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR);
|
---|
7138 | }
|
---|
7139 | else
|
---|
7140 | {
|
---|
7141 | /* ands xzr, iGprSrc, iTmpReg */
|
---|
7142 | uint8_t const iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7143 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7144 | pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg);
|
---|
7145 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7146 | }
|
---|
7147 |
|
---|
7148 | #else
|
---|
7149 | # error "Port me!"
|
---|
7150 | #endif
|
---|
7151 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7152 | return off;
|
---|
7153 | }
|
---|
7154 |
|
---|
7155 |
|
---|
7156 | /**
|
---|
7157 | * Emits a test for any of the bits from @a fBits in the lower 32 bits of
|
---|
7158 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7159 | *
|
---|
7160 | * @note For ARM64 this only supports @a fBits values that can be expressed
|
---|
7161 | * using the two 6-bit immediates of the ANDS instruction. The caller
|
---|
7162 | * must make sure this is possible!
|
---|
7163 | */
|
---|
7164 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7165 | iemNativeEmitTestAnyBitsInGpr32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint32_t fBits)
|
---|
7166 | {
|
---|
7167 | Assert(fBits != 0);
|
---|
7168 |
|
---|
7169 | #ifdef RT_ARCH_AMD64
|
---|
7170 | if (fBits <= UINT8_MAX)
|
---|
7171 | {
|
---|
7172 | /* test Eb, imm8 */
|
---|
7173 | if (iGprSrc >= 4)
|
---|
7174 | pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7175 | pCodeBuf[off++] = 0xf6;
|
---|
7176 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7177 | pCodeBuf[off++] = (uint8_t)fBits;
|
---|
7178 | }
|
---|
7179 | else
|
---|
7180 | {
|
---|
7181 | /* test Ev, imm32 */
|
---|
7182 | if (iGprSrc >= 8)
|
---|
7183 | pCodeBuf[off++] = X86_OP_REX_B;
|
---|
7184 | pCodeBuf[off++] = 0xf7;
|
---|
7185 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7186 | pCodeBuf[off++] = RT_BYTE1(fBits);
|
---|
7187 | pCodeBuf[off++] = RT_BYTE2(fBits);
|
---|
7188 | pCodeBuf[off++] = RT_BYTE3(fBits);
|
---|
7189 | pCodeBuf[off++] = RT_BYTE4(fBits);
|
---|
7190 | }
|
---|
7191 |
|
---|
7192 | #elif defined(RT_ARCH_ARM64)
|
---|
7193 | /* ands xzr, src, #fBits */
|
---|
7194 | uint32_t uImmR = 0;
|
---|
7195 | uint32_t uImmNandS = 0;
|
---|
7196 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7197 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7198 | else
|
---|
7199 | # ifdef IEM_WITH_THROW_CATCH
|
---|
7200 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
7201 | # else
|
---|
7202 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
7203 | # endif
|
---|
7204 |
|
---|
7205 | #else
|
---|
7206 | # error "Port me!"
|
---|
7207 | #endif
|
---|
7208 | return off;
|
---|
7209 | }
|
---|
7210 |
|
---|
7211 |
|
---|
7212 |
|
---|
7213 | /**
|
---|
7214 | * Emits a test for any of the bits from @a fBits in the lower 8 bits of
|
---|
7215 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7216 | *
|
---|
7217 | * @note For ARM64 this only supports @a fBits values that can be expressed
|
---|
7218 | * using the two 6-bit immediates of the ANDS instruction. The caller
|
---|
7219 | * must make sure this is possible!
|
---|
7220 | */
|
---|
7221 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7222 | iemNativeEmitTestAnyBitsInGpr8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
|
---|
7223 | {
|
---|
7224 | Assert(fBits != 0);
|
---|
7225 |
|
---|
7226 | #ifdef RT_ARCH_AMD64
|
---|
7227 | /* test Eb, imm8 */
|
---|
7228 | if (iGprSrc >= 4)
|
---|
7229 | pCodeBuf[off++] = iGprSrc >= 8 ? X86_OP_REX_B : X86_OP_REX;
|
---|
7230 | pCodeBuf[off++] = 0xf6;
|
---|
7231 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 0, iGprSrc & 7);
|
---|
7232 | pCodeBuf[off++] = fBits;
|
---|
7233 |
|
---|
7234 | #elif defined(RT_ARCH_ARM64)
|
---|
7235 | /* ands xzr, src, #fBits */
|
---|
7236 | uint32_t uImmR = 0;
|
---|
7237 | uint32_t uImmNandS = 0;
|
---|
7238 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7239 | pCodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7240 | else
|
---|
7241 | # ifdef IEM_WITH_THROW_CATCH
|
---|
7242 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
7243 | # else
|
---|
7244 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
7245 | # endif
|
---|
7246 |
|
---|
7247 | #else
|
---|
7248 | # error "Port me!"
|
---|
7249 | #endif
|
---|
7250 | return off;
|
---|
7251 | }
|
---|
7252 |
|
---|
7253 |
|
---|
7254 | /**
|
---|
7255 | * Emits a test for any of the bits from @a fBits in the lower 8 bits of
|
---|
7256 | * @a iGprSrc, setting CPU flags accordingly.
|
---|
7257 | */
|
---|
7258 | DECL_INLINE_THROW(uint32_t)
|
---|
7259 | iemNativeEmitTestAnyBitsInGpr8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint8_t fBits)
|
---|
7260 | {
|
---|
7261 | Assert(fBits != 0);
|
---|
7262 |
|
---|
7263 | #ifdef RT_ARCH_AMD64
|
---|
7264 | off = iemNativeEmitTestAnyBitsInGpr8Ex(iemNativeInstrBufEnsure(pReNative, off, 4), off, iGprSrc, fBits);
|
---|
7265 |
|
---|
7266 | #elif defined(RT_ARCH_ARM64)
|
---|
7267 | /* ands xzr, src, [tmp|#imm] */
|
---|
7268 | uint32_t uImmR = 0;
|
---|
7269 | uint32_t uImmNandS = 0;
|
---|
7270 | if (Armv8A64ConvertMask32ToImmRImmS(fBits, &uImmNandS, &uImmR))
|
---|
7271 | {
|
---|
7272 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7273 | pu32CodeBuf[off++] = Armv8A64MkInstrAndsImm(ARMV8_A64_REG_XZR, iGprSrc, uImmNandS, uImmR, false /*f64Bit*/);
|
---|
7274 | }
|
---|
7275 | else
|
---|
7276 | {
|
---|
7277 | /* Use temporary register for the 64-bit immediate. */
|
---|
7278 | uint8_t iTmpReg = iemNativeRegAllocTmpImm(pReNative, &off, fBits);
|
---|
7279 | uint32_t *pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7280 | pu32CodeBuf[off++] = Armv8A64MkInstrAnds(ARMV8_A64_REG_XZR, iGprSrc, iTmpReg, false /*f64Bit*/);
|
---|
7281 | iemNativeRegFreeTmpImm(pReNative, iTmpReg);
|
---|
7282 | }
|
---|
7283 |
|
---|
7284 | #else
|
---|
7285 | # error "Port me!"
|
---|
7286 | #endif
|
---|
7287 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7288 | return off;
|
---|
7289 | }
|
---|
7290 |
|
---|
7291 |
|
---|
7292 | /**
|
---|
7293 | * Emits a jump to @a idxLabel on the condition _any_ of the bits in @a fBits
|
---|
7294 | * are set in @a iGprSrc.
|
---|
7295 | */
|
---|
7296 | DECL_INLINE_THROW(uint32_t)
|
---|
7297 | iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfAnySet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7298 | uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
|
---|
7299 | {
|
---|
7300 | Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
|
---|
7301 |
|
---|
7302 | off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
|
---|
7303 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7304 |
|
---|
7305 | return off;
|
---|
7306 | }
|
---|
7307 |
|
---|
7308 |
|
---|
7309 | /**
|
---|
7310 | * Emits a jump to @a idxLabel on the condition _none_ of the bits in @a fBits
|
---|
7311 | * are set in @a iGprSrc.
|
---|
7312 | */
|
---|
7313 | DECL_INLINE_THROW(uint32_t)
|
---|
7314 | iemNativeEmitTestAnyBitsInGprAndJmpToLabelIfNoneSet(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7315 | uint8_t iGprSrc, uint64_t fBits, uint32_t idxLabel)
|
---|
7316 | {
|
---|
7317 | Assert(fBits); Assert(!RT_IS_POWER_OF_TWO(fBits));
|
---|
7318 |
|
---|
7319 | off = iemNativeEmitTestAnyBitsInGpr(pReNative, off, iGprSrc, fBits);
|
---|
7320 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7321 |
|
---|
7322 | return off;
|
---|
7323 | }
|
---|
7324 |
|
---|
7325 |
|
---|
7326 | /**
|
---|
7327 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7328 | *
|
---|
7329 | * The operand size is given by @a f64Bit.
|
---|
7330 | */
|
---|
7331 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7332 | iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7333 | uint8_t iGprSrc, bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
|
---|
7334 | {
|
---|
7335 | Assert(idxLabel < pReNative->cLabels);
|
---|
7336 |
|
---|
7337 | #ifdef RT_ARCH_AMD64
|
---|
7338 | /* test reg32,reg32 / test reg64,reg64 */
|
---|
7339 | if (f64Bit)
|
---|
7340 | pCodeBuf[off++] = X86_OP_REX_W | (iGprSrc < 8 ? 0 : X86_OP_REX_R | X86_OP_REX_B);
|
---|
7341 | else if (iGprSrc >= 8)
|
---|
7342 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
7343 | pCodeBuf[off++] = 0x85;
|
---|
7344 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprSrc & 7, iGprSrc & 7);
|
---|
7345 |
|
---|
7346 | /* jnz idxLabel */
|
---|
7347 | off = iemNativeEmitJccToLabelEx(pReNative, pCodeBuf, off, idxLabel,
|
---|
7348 | fJmpIfNotZero ? kIemNativeInstrCond_ne : kIemNativeInstrCond_e);
|
---|
7349 |
|
---|
7350 | #elif defined(RT_ARCH_ARM64)
|
---|
7351 | if (pReNative->paLabels[idxLabel].off != UINT32_MAX)
|
---|
7352 | {
|
---|
7353 | pCodeBuf[off] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, (int32_t)(pReNative->paLabels[idxLabel].off - off),
|
---|
7354 | iGprSrc, f64Bit);
|
---|
7355 | off++;
|
---|
7356 | }
|
---|
7357 | else
|
---|
7358 | {
|
---|
7359 | iemNativeAddFixup(pReNative, off, idxLabel, kIemNativeFixupType_RelImm19At5);
|
---|
7360 | pCodeBuf[off++] = Armv8A64MkInstrCbzCbnz(fJmpIfNotZero, 0, iGprSrc, f64Bit);
|
---|
7361 | }
|
---|
7362 |
|
---|
7363 | #else
|
---|
7364 | # error "Port me!"
|
---|
7365 | #endif
|
---|
7366 | return off;
|
---|
7367 | }
|
---|
7368 |
|
---|
7369 |
|
---|
7370 | /**
|
---|
7371 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7372 | *
|
---|
7373 | * The operand size is given by @a f64Bit.
|
---|
7374 | */
|
---|
7375 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7376 | iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc,
|
---|
7377 | bool f64Bit, bool fJmpIfNotZero, uint32_t idxLabel)
|
---|
7378 | {
|
---|
7379 | #ifdef RT_ARCH_AMD64
|
---|
7380 | off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 3 + 6),
|
---|
7381 | off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
|
---|
7382 | #elif defined(RT_ARCH_ARM64)
|
---|
7383 | off = iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, iemNativeInstrBufEnsure(pReNative, off, 1),
|
---|
7384 | off, iGprSrc, f64Bit, fJmpIfNotZero, idxLabel);
|
---|
7385 | #else
|
---|
7386 | # error "Port me!"
|
---|
7387 | #endif
|
---|
7388 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7389 | return off;
|
---|
7390 | }
|
---|
7391 |
|
---|
7392 |
|
---|
7393 | /* if (Grp1 == 0) Jmp idxLabel; */
|
---|
7394 |
|
---|
7395 | /**
|
---|
7396 | * Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
|
---|
7397 | *
|
---|
7398 | * The operand size is given by @a f64Bit.
|
---|
7399 | */
|
---|
7400 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7401 | iemNativeEmitTestIfGprIsZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7402 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7403 | {
|
---|
7404 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
|
---|
7405 | f64Bit, false /*fJmpIfNotZero*/, idxLabel);
|
---|
7406 | }
|
---|
7407 |
|
---|
7408 |
|
---|
7409 | /**
|
---|
7410 | * Emits code that jumps to @a idxLabel if @a iGprSrc is zero.
|
---|
7411 | *
|
---|
7412 | * The operand size is given by @a f64Bit.
|
---|
7413 | */
|
---|
7414 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7415 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7416 | {
|
---|
7417 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, false /*fJmpIfNotZero*/, idxLabel);
|
---|
7418 | }
|
---|
7419 |
|
---|
7420 |
|
---|
7421 | /**
|
---|
7422 | * Emits code that jumps to a new label if @a iGprSrc is zero.
|
---|
7423 | *
|
---|
7424 | * The operand size is given by @a f64Bit.
|
---|
7425 | */
|
---|
7426 | DECL_INLINE_THROW(uint32_t)
|
---|
7427 | iemNativeEmitTestIfGprIsZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
|
---|
7428 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7429 | {
|
---|
7430 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7431 | return iemNativeEmitTestIfGprIsZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
|
---|
7432 | }
|
---|
7433 |
|
---|
7434 |
|
---|
7435 | /* if (Grp1 != 0) Jmp idxLabel; */
|
---|
7436 |
|
---|
7437 | /**
|
---|
7438 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7439 | *
|
---|
7440 | * The operand size is given by @a f64Bit.
|
---|
7441 | */
|
---|
7442 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7443 | iemNativeEmitTestIfGprIsNotZeroAndJmpToLabelEx(PIEMRECOMPILERSTATE pReNative, PIEMNATIVEINSTR pCodeBuf, uint32_t off,
|
---|
7444 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7445 | {
|
---|
7446 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabelEx(pReNative, pCodeBuf, off, iGprSrc,
|
---|
7447 | f64Bit, true /*fJmpIfNotZero*/, idxLabel);
|
---|
7448 | }
|
---|
7449 |
|
---|
7450 |
|
---|
7451 | /**
|
---|
7452 | * Emits code that jumps to @a idxLabel if @a iGprSrc is not zero.
|
---|
7453 | *
|
---|
7454 | * The operand size is given by @a f64Bit.
|
---|
7455 | */
|
---|
7456 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7457 | uint8_t iGprSrc, bool f64Bit, uint32_t idxLabel)
|
---|
7458 | {
|
---|
7459 | return iemNativeEmitTestIfGprIsZeroOrNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, true /*fJmpIfNotZero*/, idxLabel);
|
---|
7460 | }
|
---|
7461 |
|
---|
7462 |
|
---|
7463 | /**
|
---|
7464 | * Emits code that jumps to a new label if @a iGprSrc is not zero.
|
---|
7465 | *
|
---|
7466 | * The operand size is given by @a f64Bit.
|
---|
7467 | */
|
---|
7468 | DECL_INLINE_THROW(uint32_t)
|
---|
7469 | iemNativeEmitTestIfGprIsNotZeroAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, bool f64Bit,
|
---|
7470 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7471 | {
|
---|
7472 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7473 | return iemNativeEmitTestIfGprIsNotZeroAndJmpToLabel(pReNative, off, iGprSrc, f64Bit, idxLabel);
|
---|
7474 | }
|
---|
7475 |
|
---|
7476 |
|
---|
7477 | /* if (Grp1 != Gpr2) Jmp idxLabel; */
|
---|
7478 |
|
---|
7479 | /**
|
---|
7480 | * Emits code that jumps to the given label if @a iGprLeft and @a iGprRight
|
---|
7481 | * differs.
|
---|
7482 | */
|
---|
7483 | DECL_INLINE_THROW(uint32_t)
|
---|
7484 | iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7485 | uint8_t iGprLeft, uint8_t iGprRight, uint32_t idxLabel)
|
---|
7486 | {
|
---|
7487 | off = iemNativeEmitCmpGprWithGpr(pReNative, off, iGprLeft, iGprRight);
|
---|
7488 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7489 | return off;
|
---|
7490 | }
|
---|
7491 |
|
---|
7492 |
|
---|
7493 | /**
|
---|
7494 | * Emits code that jumps to a new label if @a iGprLeft and @a iGprRight differs.
|
---|
7495 | */
|
---|
7496 | DECL_INLINE_THROW(uint32_t)
|
---|
7497 | iemNativeEmitTestIfGprNotEqualGprAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7498 | uint8_t iGprLeft, uint8_t iGprRight,
|
---|
7499 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7500 | {
|
---|
7501 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7502 | return iemNativeEmitTestIfGprNotEqualGprAndJmpToLabel(pReNative, off, iGprLeft, iGprRight, idxLabel);
|
---|
7503 | }
|
---|
7504 |
|
---|
7505 |
|
---|
7506 | /* if (Grp != Imm) Jmp idxLabel; */
|
---|
7507 |
|
---|
7508 | /**
|
---|
7509 | * Emits code that jumps to the given label if @a iGprSrc differs from @a uImm.
|
---|
7510 | */
|
---|
7511 | DECL_INLINE_THROW(uint32_t)
|
---|
7512 | iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7513 | uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
|
---|
7514 | {
|
---|
7515 | off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
|
---|
7516 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7517 | return off;
|
---|
7518 | }
|
---|
7519 |
|
---|
7520 |
|
---|
7521 | /**
|
---|
7522 | * Emits code that jumps to a new label if @a iGprSrc differs from @a uImm.
|
---|
7523 | */
|
---|
7524 | DECL_INLINE_THROW(uint32_t)
|
---|
7525 | iemNativeEmitTestIfGprNotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7526 | uint8_t iGprSrc, uint64_t uImm,
|
---|
7527 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7528 | {
|
---|
7529 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7530 | return iemNativeEmitTestIfGprNotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7531 | }
|
---|
7532 |
|
---|
7533 |
|
---|
7534 | /**
|
---|
7535 | * Emits code that jumps to the given label if 32-bit @a iGprSrc differs from
|
---|
7536 | * @a uImm.
|
---|
7537 | */
|
---|
7538 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7539 | uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
|
---|
7540 | {
|
---|
7541 | off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7542 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7543 | return off;
|
---|
7544 | }
|
---|
7545 |
|
---|
7546 |
|
---|
7547 | /**
|
---|
7548 | * Emits code that jumps to a new label if 32-bit @a iGprSrc differs from
|
---|
7549 | * @a uImm.
|
---|
7550 | */
|
---|
7551 | DECL_INLINE_THROW(uint32_t)
|
---|
7552 | iemNativeEmitTestIfGpr32NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7553 | uint8_t iGprSrc, uint32_t uImm,
|
---|
7554 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7555 | {
|
---|
7556 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7557 | return iemNativeEmitTestIfGpr32NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7558 | }
|
---|
7559 |
|
---|
7560 |
|
---|
7561 | /**
|
---|
7562 | * Emits code that jumps to the given label if 16-bit @a iGprSrc differs from
|
---|
7563 | * @a uImm.
|
---|
7564 | */
|
---|
7565 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7566 | uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel)
|
---|
7567 | {
|
---|
7568 | off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7569 | off = iemNativeEmitJnzToLabel(pReNative, off, idxLabel);
|
---|
7570 | return off;
|
---|
7571 | }
|
---|
7572 |
|
---|
7573 |
|
---|
7574 | /**
|
---|
7575 | * Emits code that jumps to a new label if 16-bit @a iGprSrc differs from
|
---|
7576 | * @a uImm.
|
---|
7577 | */
|
---|
7578 | DECL_INLINE_THROW(uint32_t)
|
---|
7579 | iemNativeEmitTestIfGpr16NotEqualImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7580 | uint8_t iGprSrc, uint16_t uImm,
|
---|
7581 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7582 | {
|
---|
7583 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7584 | return iemNativeEmitTestIfGpr16NotEqualImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7585 | }
|
---|
7586 |
|
---|
7587 |
|
---|
7588 | /* if (Grp == Imm) Jmp idxLabel; */
|
---|
7589 |
|
---|
7590 | /**
|
---|
7591 | * Emits code that jumps to the given label if @a iGprSrc equals @a uImm.
|
---|
7592 | */
|
---|
7593 | DECL_INLINE_THROW(uint32_t)
|
---|
7594 | iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7595 | uint8_t iGprSrc, uint64_t uImm, uint32_t idxLabel)
|
---|
7596 | {
|
---|
7597 | off = iemNativeEmitCmpGprWithImm(pReNative, off, iGprSrc, uImm);
|
---|
7598 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7599 | return off;
|
---|
7600 | }
|
---|
7601 |
|
---|
7602 |
|
---|
7603 | /**
|
---|
7604 | * Emits code that jumps to a new label if @a iGprSrc equals from @a uImm.
|
---|
7605 | */
|
---|
7606 | DECL_INLINE_THROW(uint32_t)
|
---|
7607 | iemNativeEmitTestIfGprEqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint64_t uImm,
|
---|
7608 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7609 | {
|
---|
7610 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7611 | return iemNativeEmitTestIfGprEqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7612 | }
|
---|
7613 |
|
---|
7614 |
|
---|
7615 | /**
|
---|
7616 | * Emits code that jumps to the given label if 32-bit @a iGprSrc equals @a uImm.
|
---|
7617 | */
|
---|
7618 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7619 | uint8_t iGprSrc, uint32_t uImm, uint32_t idxLabel)
|
---|
7620 | {
|
---|
7621 | off = iemNativeEmitCmpGpr32WithImm(pReNative, off, iGprSrc, uImm);
|
---|
7622 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7623 | return off;
|
---|
7624 | }
|
---|
7625 |
|
---|
7626 |
|
---|
7627 | /**
|
---|
7628 | * Emits code that jumps to a new label if 32-bit @a iGprSrc equals @a uImm.
|
---|
7629 | */
|
---|
7630 | DECL_INLINE_THROW(uint32_t)
|
---|
7631 | iemNativeEmitTestIfGpr32EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint32_t uImm,
|
---|
7632 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0)
|
---|
7633 | {
|
---|
7634 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7635 | return iemNativeEmitTestIfGpr32EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel);
|
---|
7636 | }
|
---|
7637 |
|
---|
7638 |
|
---|
7639 | /**
|
---|
7640 | * Emits code that jumps to the given label if 16-bit @a iGprSrc equals @a uImm.
|
---|
7641 | *
|
---|
7642 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
7643 | */
|
---|
7644 | DECL_INLINE_THROW(uint32_t) iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off,
|
---|
7645 | uint8_t iGprSrc, uint16_t uImm, uint32_t idxLabel,
|
---|
7646 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
7647 | {
|
---|
7648 | off = iemNativeEmitCmpGpr16WithImm(pReNative, off, iGprSrc, uImm, idxTmpReg);
|
---|
7649 | off = iemNativeEmitJzToLabel(pReNative, off, idxLabel);
|
---|
7650 | return off;
|
---|
7651 | }
|
---|
7652 |
|
---|
7653 |
|
---|
7654 | /**
|
---|
7655 | * Emits code that jumps to a new label if 16-bit @a iGprSrc equals @a uImm.
|
---|
7656 | *
|
---|
7657 | * @note ARM64: Helper register is required (idxTmpReg).
|
---|
7658 | */
|
---|
7659 | DECL_INLINE_THROW(uint32_t)
|
---|
7660 | iemNativeEmitTestIfGpr16EqualsImmAndJmpToNewLabel(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprSrc, uint16_t uImm,
|
---|
7661 | IEMNATIVELABELTYPE enmLabelType, uint16_t uData = 0,
|
---|
7662 | uint8_t idxTmpReg = UINT8_MAX)
|
---|
7663 | {
|
---|
7664 | uint32_t const idxLabel = iemNativeLabelCreate(pReNative, enmLabelType, UINT32_MAX /*offWhere*/, uData);
|
---|
7665 | return iemNativeEmitTestIfGpr16EqualsImmAndJmpToLabel(pReNative, off, iGprSrc, uImm, idxLabel, idxTmpReg);
|
---|
7666 | }
|
---|
7667 |
|
---|
7668 |
|
---|
7669 | /*********************************************************************************************************************************
|
---|
7670 | * Calls. *
|
---|
7671 | *********************************************************************************************************************************/
|
---|
7672 |
|
---|
7673 | /**
|
---|
7674 | * Emits a call to a 64-bit address.
|
---|
7675 | */
|
---|
7676 | DECL_INLINE_THROW(uint32_t) iemNativeEmitCallImm(PIEMRECOMPILERSTATE pReNative, uint32_t off, uintptr_t uPfn)
|
---|
7677 | {
|
---|
7678 | #ifdef RT_ARCH_AMD64
|
---|
7679 | off = iemNativeEmitLoadGprImm64(pReNative, off, X86_GREG_xAX, uPfn);
|
---|
7680 |
|
---|
7681 | /* call rax */
|
---|
7682 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 2);
|
---|
7683 | pbCodeBuf[off++] = 0xff;
|
---|
7684 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, X86_GREG_xAX);
|
---|
7685 |
|
---|
7686 | #elif defined(RT_ARCH_ARM64)
|
---|
7687 | off = iemNativeEmitLoadGprImm64(pReNative, off, IEMNATIVE_REG_FIXED_TMP0, uPfn);
|
---|
7688 |
|
---|
7689 | uint32_t * const pu32CodeBuf = iemNativeInstrBufEnsure(pReNative, off, 1);
|
---|
7690 | pu32CodeBuf[off++] = Armv8A64MkInstrBlr(IEMNATIVE_REG_FIXED_TMP0);
|
---|
7691 |
|
---|
7692 | #else
|
---|
7693 | # error "port me"
|
---|
7694 | #endif
|
---|
7695 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7696 | return off;
|
---|
7697 | }
|
---|
7698 |
|
---|
7699 |
|
---|
7700 | /**
|
---|
7701 | * Emits code to load a stack variable into an argument GPR.
|
---|
7702 | * @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
|
---|
7703 | */
|
---|
7704 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7705 | iemNativeEmitLoadArgGregFromStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7706 | int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = UINT32_MAX,
|
---|
7707 | bool fSpilledVarsInVolatileRegs = false)
|
---|
7708 | {
|
---|
7709 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7710 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7711 | AssertStmt(pVar->enmKind == kIemNativeVarKind_Stack, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7712 |
|
---|
7713 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7714 | if ( idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs)
|
---|
7715 | && ( (RT_BIT_32(idxRegVar) & (~IEMNATIVE_CALL_VOLATILE_GREG_MASK | fHstVolatileRegsAllowed))
|
---|
7716 | || !fSpilledVarsInVolatileRegs ))
|
---|
7717 | {
|
---|
7718 | AssertStmt( !(RT_BIT_32(idxRegVar) & IEMNATIVE_CALL_VOLATILE_GREG_MASK)
|
---|
7719 | || (RT_BIT_32(idxRegVar) & fHstVolatileRegsAllowed),
|
---|
7720 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_REG_IPE_13));
|
---|
7721 | if (!offAddend)
|
---|
7722 | {
|
---|
7723 | if (idxRegArg != idxRegVar)
|
---|
7724 | off = iemNativeEmitLoadGprFromGpr(pReNative, off, idxRegArg, idxRegVar);
|
---|
7725 | }
|
---|
7726 | else
|
---|
7727 | off = iemNativeEmitLoadGprFromGprWithAddend(pReNative, off, idxRegArg, idxRegVar, offAddend);
|
---|
7728 | }
|
---|
7729 | else
|
---|
7730 | {
|
---|
7731 | uint8_t const idxStackSlot = pVar->idxStackSlot;
|
---|
7732 | AssertStmt(idxStackSlot != UINT8_MAX, IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_NOT_INITIALIZED));
|
---|
7733 | off = iemNativeEmitLoadGprByBp(pReNative, off, idxRegArg, iemNativeStackCalcBpDisp(idxStackSlot));
|
---|
7734 | if (offAddend)
|
---|
7735 | off = iemNativeEmitAddGprImm(pReNative, off, idxRegArg, offAddend);
|
---|
7736 | }
|
---|
7737 | return off;
|
---|
7738 | }
|
---|
7739 |
|
---|
7740 |
|
---|
7741 | /**
|
---|
7742 | * Emits code to load a stack or immediate variable value into an argument GPR,
|
---|
7743 | * optional with a addend.
|
---|
7744 | * @throws VERR_IEM_VAR_NOT_INITIALIZED, VERR_IEM_VAR_UNEXPECTED_KIND
|
---|
7745 | */
|
---|
7746 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7747 | iemNativeEmitLoadArgGregFromImmOrStackVar(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7748 | int32_t offAddend = 0, uint32_t fHstVolatileRegsAllowed = 0,
|
---|
7749 | bool fSpilledVarsInVolatileRegs = false)
|
---|
7750 | {
|
---|
7751 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7752 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7753 | if (pVar->enmKind == kIemNativeVarKind_Immediate)
|
---|
7754 | off = iemNativeEmitLoadGprImm64(pReNative, off, idxRegArg, pVar->u.uValue + offAddend);
|
---|
7755 | else
|
---|
7756 | off = iemNativeEmitLoadArgGregFromStackVar(pReNative, off, idxRegArg, idxVar, offAddend,
|
---|
7757 | fHstVolatileRegsAllowed, fSpilledVarsInVolatileRegs);
|
---|
7758 | return off;
|
---|
7759 | }
|
---|
7760 |
|
---|
7761 |
|
---|
7762 | /**
|
---|
7763 | * Emits code to load the variable address into an argument GPR.
|
---|
7764 | *
|
---|
7765 | * This only works for uninitialized and stack variables.
|
---|
7766 | */
|
---|
7767 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7768 | iemNativeEmitLoadArgGregWithVarAddr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7769 | bool fFlushShadows)
|
---|
7770 | {
|
---|
7771 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7772 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7773 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7774 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7775 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7776 | AssertStmt(!pVar->fSimdReg,
|
---|
7777 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7778 |
|
---|
7779 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7780 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7781 |
|
---|
7782 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7783 | if (idxRegVar < RT_ELEMENTS(pReNative->Core.aHstRegs))
|
---|
7784 | {
|
---|
7785 | off = iemNativeEmitStoreGprByBp(pReNative, off, offBpDisp, idxRegVar);
|
---|
7786 | iemNativeRegFreeVar(pReNative, idxRegVar, fFlushShadows);
|
---|
7787 | Assert(pVar->idxReg == UINT8_MAX);
|
---|
7788 | }
|
---|
7789 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7790 | && pVar->idxReg == UINT8_MAX);
|
---|
7791 |
|
---|
7792 | return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
|
---|
7793 | }
|
---|
7794 |
|
---|
7795 |
|
---|
7796 | #ifdef IEMNATIVE_WITH_SIMD_REG_ALLOCATOR
|
---|
7797 | /**
|
---|
7798 | * Emits code to load the variable address into an argument GPR.
|
---|
7799 | *
|
---|
7800 | * This is a special variant intended for SIMD variables only and only called
|
---|
7801 | * by the TLB miss path in the memory fetch/store code because there we pass
|
---|
7802 | * the value by reference and need both the register and stack depending on which
|
---|
7803 | * path is taken (TLB hit vs. miss).
|
---|
7804 | */
|
---|
7805 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7806 | iemNativeEmitLoadArgGregWithSimdVarAddrForMemAccess(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxRegArg, uint8_t idxVar,
|
---|
7807 | bool fSyncRegWithStack = true)
|
---|
7808 | {
|
---|
7809 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7810 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7811 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7812 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7813 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7814 | AssertStmt(pVar->fSimdReg,
|
---|
7815 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7816 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7817 | && pVar->idxReg != UINT8_MAX);
|
---|
7818 |
|
---|
7819 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7820 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7821 |
|
---|
7822 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7823 | Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
|
---|
7824 | Assert(pVar->cbVar == sizeof(RTUINT128U) || pVar->cbVar == sizeof(RTUINT256U));
|
---|
7825 |
|
---|
7826 | if (fSyncRegWithStack)
|
---|
7827 | {
|
---|
7828 | if (pVar->cbVar == sizeof(RTUINT128U))
|
---|
7829 | off = iemNativeEmitStoreVecRegByBpU128(pReNative, off, offBpDisp, idxRegVar);
|
---|
7830 | else
|
---|
7831 | off = iemNativeEmitStoreVecRegByBpU256(pReNative, off, offBpDisp, idxRegVar);
|
---|
7832 | }
|
---|
7833 |
|
---|
7834 | return iemNativeEmitLeaGprByBp(pReNative, off, idxRegArg, offBpDisp);
|
---|
7835 | }
|
---|
7836 |
|
---|
7837 |
|
---|
7838 | /**
|
---|
7839 | * Emits code to sync the host SIMD register assigned to the given SIMD variable.
|
---|
7840 | *
|
---|
7841 | * This is a special helper and only called
|
---|
7842 | * by the TLB miss path in the memory fetch/store code because there we pass
|
---|
7843 | * the value by reference and need to sync the value on the stack with the assigned host register
|
---|
7844 | * after a TLB miss where the value ends up on the stack.
|
---|
7845 | */
|
---|
7846 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7847 | iemNativeEmitSimdVarSyncStackToRegister(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t idxVar)
|
---|
7848 | {
|
---|
7849 | IEMNATIVE_ASSERT_VAR_IDX(pReNative, idxVar);
|
---|
7850 | PIEMNATIVEVAR const pVar = &pReNative->Core.aVars[IEMNATIVE_VAR_IDX_UNPACK(idxVar)];
|
---|
7851 | AssertStmt( pVar->enmKind == kIemNativeVarKind_Invalid
|
---|
7852 | || pVar->enmKind == kIemNativeVarKind_Stack,
|
---|
7853 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7854 | AssertStmt(pVar->fSimdReg,
|
---|
7855 | IEMNATIVE_DO_LONGJMP(pReNative, VERR_IEM_VAR_UNEXPECTED_KIND));
|
---|
7856 | Assert( pVar->idxStackSlot != UINT8_MAX
|
---|
7857 | && pVar->idxReg != UINT8_MAX);
|
---|
7858 |
|
---|
7859 | uint8_t const idxStackSlot = iemNativeVarGetStackSlot(pReNative, idxVar);
|
---|
7860 | int32_t const offBpDisp = iemNativeStackCalcBpDisp(idxStackSlot);
|
---|
7861 |
|
---|
7862 | uint8_t const idxRegVar = pVar->idxReg;
|
---|
7863 | Assert(idxRegVar < RT_ELEMENTS(pReNative->Core.aHstSimdRegs));
|
---|
7864 | Assert(pVar->cbVar == sizeof(RTUINT128U) || pVar->cbVar == sizeof(RTUINT256U));
|
---|
7865 |
|
---|
7866 | if (pVar->cbVar == sizeof(RTUINT128U))
|
---|
7867 | off = iemNativeEmitLoadVecRegByBpU128(pReNative, off, idxRegVar, offBpDisp);
|
---|
7868 | else
|
---|
7869 | off = iemNativeEmitLoadVecRegByBpU256(pReNative, off, idxRegVar, offBpDisp);
|
---|
7870 |
|
---|
7871 | return off;
|
---|
7872 | }
|
---|
7873 |
|
---|
7874 |
|
---|
7875 | /**
|
---|
7876 | * Emits a gprdst = ~gprsrc store.
|
---|
7877 | */
|
---|
7878 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7879 | iemNativeEmitInvBitsGprEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
|
---|
7880 | {
|
---|
7881 | #ifdef RT_ARCH_AMD64
|
---|
7882 | if (iGprDst != iGprSrc)
|
---|
7883 | {
|
---|
7884 | /* mov gprdst, gprsrc. */
|
---|
7885 | if (f64Bit)
|
---|
7886 | off = iemNativeEmitLoadGprFromGprEx(pCodeBuf, off, iGprDst, iGprSrc);
|
---|
7887 | else
|
---|
7888 | off = iemNativeEmitLoadGprFromGpr32Ex(pCodeBuf, off, iGprDst, iGprSrc); /* Bits 32:63 are cleared. */
|
---|
7889 | }
|
---|
7890 |
|
---|
7891 | /* not gprdst */
|
---|
7892 | if (f64Bit || iGprDst >= 8)
|
---|
7893 | pCodeBuf[off++] = (f64Bit ? X86_OP_REX_W : 0)
|
---|
7894 | | (iGprDst >= 8 ? X86_OP_REX_B : 0);
|
---|
7895 | pCodeBuf[off++] = 0xf7;
|
---|
7896 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, 2, iGprDst & 7);
|
---|
7897 | #elif defined(RT_ARCH_ARM64)
|
---|
7898 | pCodeBuf[off++] = Armv8A64MkInstrOrn(iGprDst, ARMV8_A64_REG_XZR, iGprSrc, f64Bit);
|
---|
7899 | #else
|
---|
7900 | # error "port me"
|
---|
7901 | #endif
|
---|
7902 | return off;
|
---|
7903 | }
|
---|
7904 |
|
---|
7905 |
|
---|
7906 | /**
|
---|
7907 | * Emits a gprdst = ~gprsrc store.
|
---|
7908 | */
|
---|
7909 | DECL_INLINE_THROW(uint32_t)
|
---|
7910 | iemNativeEmitInvBitsGpr(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iGprSrc, bool f64Bit = true)
|
---|
7911 | {
|
---|
7912 | #ifdef RT_ARCH_AMD64
|
---|
7913 | off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 9), off, iGprDst, iGprSrc, f64Bit);
|
---|
7914 | #elif defined(RT_ARCH_ARM64)
|
---|
7915 | off = iemNativeEmitInvBitsGprEx(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iGprSrc, f64Bit);
|
---|
7916 | #else
|
---|
7917 | # error "port me"
|
---|
7918 | #endif
|
---|
7919 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7920 | return off;
|
---|
7921 | }
|
---|
7922 |
|
---|
7923 |
|
---|
7924 | /**
|
---|
7925 | * Emits a 128-bit vector register store to a VCpu value.
|
---|
7926 | */
|
---|
7927 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7928 | iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7929 | {
|
---|
7930 | #ifdef RT_ARCH_AMD64
|
---|
7931 | /* movdqa mem128, reg128 */ /* ASSUMING an aligned location here. */
|
---|
7932 | pCodeBuf[off++] = 0x66;
|
---|
7933 | if (iVecReg >= 8)
|
---|
7934 | pCodeBuf[off++] = X86_OP_REX_R;
|
---|
7935 | pCodeBuf[off++] = 0x0f;
|
---|
7936 | pCodeBuf[off++] = 0x7f;
|
---|
7937 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
7938 | #elif defined(RT_ARCH_ARM64)
|
---|
7939 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
7940 |
|
---|
7941 | #else
|
---|
7942 | # error "port me"
|
---|
7943 | #endif
|
---|
7944 | return off;
|
---|
7945 | }
|
---|
7946 |
|
---|
7947 |
|
---|
7948 | /**
|
---|
7949 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
7950 | */
|
---|
7951 | DECL_INLINE_THROW(uint32_t)
|
---|
7952 | iemNativeEmitSimdStoreVecRegToVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7953 | {
|
---|
7954 | #ifdef RT_ARCH_AMD64
|
---|
7955 | off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
|
---|
7956 | #elif defined(RT_ARCH_ARM64)
|
---|
7957 | off = iemNativeEmitSimdStoreVecRegToVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
|
---|
7958 | #else
|
---|
7959 | # error "port me"
|
---|
7960 | #endif
|
---|
7961 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
7962 | return off;
|
---|
7963 | }
|
---|
7964 |
|
---|
7965 |
|
---|
7966 | /**
|
---|
7967 | * Emits a high 128-bit vector register store to a VCpu value.
|
---|
7968 | */
|
---|
7969 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
7970 | iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7971 | {
|
---|
7972 | #ifdef RT_ARCH_AMD64
|
---|
7973 | /* vextracti128 mem128, reg128, 1 */ /* ASSUMES AVX2 support. */
|
---|
7974 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
7975 | if (iVecReg >= 8)
|
---|
7976 | pCodeBuf[off++] = 0x63;
|
---|
7977 | else
|
---|
7978 | pCodeBuf[off++] = 0xe3;
|
---|
7979 | pCodeBuf[off++] = 0x7d;
|
---|
7980 | pCodeBuf[off++] = 0x39;
|
---|
7981 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
7982 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
7983 | #elif defined(RT_ARCH_ARM64)
|
---|
7984 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_St_Vr_128, sizeof(RTUINT128U));
|
---|
7985 | #else
|
---|
7986 | # error "port me"
|
---|
7987 | #endif
|
---|
7988 | return off;
|
---|
7989 | }
|
---|
7990 |
|
---|
7991 |
|
---|
7992 | /**
|
---|
7993 | * Emits a high 128-bit vector register load of a VCpu value.
|
---|
7994 | */
|
---|
7995 | DECL_INLINE_THROW(uint32_t)
|
---|
7996 | iemNativeEmitSimdStoreVecRegToVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
7997 | {
|
---|
7998 | #ifdef RT_ARCH_AMD64
|
---|
7999 | off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
|
---|
8000 | #elif defined(RT_ARCH_ARM64)
|
---|
8001 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8002 | Assert(!(iVecReg & 0x1));
|
---|
8003 | off = iemNativeEmitSimdStoreVecRegToVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
|
---|
8004 | #else
|
---|
8005 | # error "port me"
|
---|
8006 | #endif
|
---|
8007 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8008 | return off;
|
---|
8009 | }
|
---|
8010 |
|
---|
8011 |
|
---|
8012 | /**
|
---|
8013 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8014 | */
|
---|
8015 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8016 | iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8017 | {
|
---|
8018 | #ifdef RT_ARCH_AMD64
|
---|
8019 | /* movdqa reg128, mem128 */ /* ASSUMING an aligned location here. */
|
---|
8020 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8021 | if (iVecReg >= 8)
|
---|
8022 | pCodeBuf[off++] = X86_OP_REX_R;
|
---|
8023 | pCodeBuf[off++] = 0x0f;
|
---|
8024 | pCodeBuf[off++] = 0x6f;
|
---|
8025 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
8026 | #elif defined(RT_ARCH_ARM64)
|
---|
8027 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
8028 |
|
---|
8029 | #else
|
---|
8030 | # error "port me"
|
---|
8031 | #endif
|
---|
8032 | return off;
|
---|
8033 | }
|
---|
8034 |
|
---|
8035 |
|
---|
8036 | /**
|
---|
8037 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8038 | */
|
---|
8039 | DECL_INLINE_THROW(uint32_t)
|
---|
8040 | iemNativeEmitSimdLoadVecRegFromVCpuLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8041 | {
|
---|
8042 | #ifdef RT_ARCH_AMD64
|
---|
8043 | off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 9), off, iVecReg, offVCpu);
|
---|
8044 | #elif defined(RT_ARCH_ARM64)
|
---|
8045 | off = iemNativeEmitSimdLoadVecRegFromVCpuLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, offVCpu);
|
---|
8046 | #else
|
---|
8047 | # error "port me"
|
---|
8048 | #endif
|
---|
8049 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8050 | return off;
|
---|
8051 | }
|
---|
8052 |
|
---|
8053 |
|
---|
8054 | /**
|
---|
8055 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8056 | */
|
---|
8057 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8058 | iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8059 | {
|
---|
8060 | #ifdef RT_ARCH_AMD64
|
---|
8061 | /* vinserti128 ymm, ymm, mem128, 1. */ /* ASSUMES AVX2 support */
|
---|
8062 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8063 | if (iVecReg >= 8)
|
---|
8064 | pCodeBuf[off++] = 0x63;
|
---|
8065 | else
|
---|
8066 | pCodeBuf[off++] = 0xe3;
|
---|
8067 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8068 | pCodeBuf[off++] = 0x38;
|
---|
8069 | off = iemNativeEmitGprByVCpuDisp(pCodeBuf, off, iVecReg, offVCpu);
|
---|
8070 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8071 | #elif defined(RT_ARCH_ARM64)
|
---|
8072 | off = iemNativeEmitGprByVCpuLdStEx(pCodeBuf, off, iVecReg, offVCpu, kArmv8A64InstrLdStType_Ld_Vr_128, sizeof(RTUINT128U));
|
---|
8073 | #else
|
---|
8074 | # error "port me"
|
---|
8075 | #endif
|
---|
8076 | return off;
|
---|
8077 | }
|
---|
8078 |
|
---|
8079 |
|
---|
8080 | /**
|
---|
8081 | * Emits a 128-bit vector register load of a VCpu value.
|
---|
8082 | */
|
---|
8083 | DECL_INLINE_THROW(uint32_t)
|
---|
8084 | iemNativeEmitSimdLoadVecRegFromVCpuHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint32_t offVCpu)
|
---|
8085 | {
|
---|
8086 | #ifdef RT_ARCH_AMD64
|
---|
8087 | off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, offVCpu);
|
---|
8088 | #elif defined(RT_ARCH_ARM64)
|
---|
8089 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8090 | Assert(!(iVecReg & 0x1));
|
---|
8091 | off = iemNativeEmitSimdLoadVecRegFromVCpuHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg + 1, offVCpu);
|
---|
8092 | #else
|
---|
8093 | # error "port me"
|
---|
8094 | #endif
|
---|
8095 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8096 | return off;
|
---|
8097 | }
|
---|
8098 |
|
---|
8099 |
|
---|
8100 | /**
|
---|
8101 | * Emits a vecdst = vecsrc load.
|
---|
8102 | */
|
---|
8103 | DECL_FORCE_INLINE(uint32_t)
|
---|
8104 | iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8105 | {
|
---|
8106 | #ifdef RT_ARCH_AMD64
|
---|
8107 | /* movdqu vecdst, vecsrc */
|
---|
8108 | pCodeBuf[off++] = 0xf3;
|
---|
8109 |
|
---|
8110 | if ((iVecRegDst | iVecRegSrc) >= 8)
|
---|
8111 | pCodeBuf[off++] = iVecRegDst < 8 ? X86_OP_REX_B
|
---|
8112 | : iVecRegSrc >= 8 ? X86_OP_REX_R | X86_OP_REX_B
|
---|
8113 | : X86_OP_REX_R;
|
---|
8114 | pCodeBuf[off++] = 0x0f;
|
---|
8115 | pCodeBuf[off++] = 0x6f;
|
---|
8116 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8117 |
|
---|
8118 | #elif defined(RT_ARCH_ARM64)
|
---|
8119 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
8120 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
|
---|
8121 |
|
---|
8122 | #else
|
---|
8123 | # error "port me"
|
---|
8124 | #endif
|
---|
8125 | return off;
|
---|
8126 | }
|
---|
8127 |
|
---|
8128 |
|
---|
8129 | /**
|
---|
8130 | * Emits a vecdst = vecsrc load, 128-bit.
|
---|
8131 | */
|
---|
8132 | DECL_INLINE_THROW(uint32_t)
|
---|
8133 | iemNativeEmitSimdLoadVecRegFromVecRegU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8134 | {
|
---|
8135 | #ifdef RT_ARCH_AMD64
|
---|
8136 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
|
---|
8137 | #elif defined(RT_ARCH_ARM64)
|
---|
8138 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
|
---|
8139 | #else
|
---|
8140 | # error "port me"
|
---|
8141 | #endif
|
---|
8142 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8143 | return off;
|
---|
8144 | }
|
---|
8145 |
|
---|
8146 |
|
---|
8147 | /**
|
---|
8148 | * Emits a vecdst[128:255] = vecsrc[128:255] load.
|
---|
8149 | */
|
---|
8150 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8151 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8152 | {
|
---|
8153 | #ifdef RT_ARCH_AMD64
|
---|
8154 | /* vperm2i128 dst, dst, src, 0x30. */ /* ASSUMES AVX2 support */
|
---|
8155 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8156 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
8157 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8158 | pCodeBuf[off++] = 0x46;
|
---|
8159 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8160 | pCodeBuf[off++] = 0x30; /* Immediate, this will leave the low 128 bits of dst untouched and move the high 128 bits from src to dst. */
|
---|
8161 |
|
---|
8162 | #elif defined(RT_ARCH_ARM64)
|
---|
8163 | RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
|
---|
8164 |
|
---|
8165 | /* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128(). */
|
---|
8166 | # ifdef IEM_WITH_THROW_CATCH
|
---|
8167 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
8168 | # else
|
---|
8169 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
8170 | # endif
|
---|
8171 | #else
|
---|
8172 | # error "port me"
|
---|
8173 | #endif
|
---|
8174 | return off;
|
---|
8175 | }
|
---|
8176 |
|
---|
8177 |
|
---|
8178 | /**
|
---|
8179 | * Emits a vecdst[128:255] = vecsrc[128:255] load, high 128-bit.
|
---|
8180 | */
|
---|
8181 | DECL_INLINE_THROW(uint32_t)
|
---|
8182 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8183 | {
|
---|
8184 | #ifdef RT_ARCH_AMD64
|
---|
8185 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecRegDst, iVecRegSrc);
|
---|
8186 | #elif defined(RT_ARCH_ARM64)
|
---|
8187 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8188 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iVecRegSrc + 1);
|
---|
8189 | #else
|
---|
8190 | # error "port me"
|
---|
8191 | #endif
|
---|
8192 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8193 | return off;
|
---|
8194 | }
|
---|
8195 |
|
---|
8196 |
|
---|
8197 | /**
|
---|
8198 | * Emits a vecdst[0:127] = vecsrc[128:255] load.
|
---|
8199 | */
|
---|
8200 | DECL_FORCE_INLINE_THROW(uint32_t)
|
---|
8201 | iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8202 | {
|
---|
8203 | #ifdef RT_ARCH_AMD64
|
---|
8204 | /* vextracti128 dst, src, 1. */ /* ASSUMES AVX2 support */
|
---|
8205 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8206 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegDst >= 8, false, iVecRegSrc >= 8);
|
---|
8207 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8208 | pCodeBuf[off++] = 0x39;
|
---|
8209 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7);
|
---|
8210 | pCodeBuf[off++] = 0x1;
|
---|
8211 |
|
---|
8212 | #elif defined(RT_ARCH_ARM64)
|
---|
8213 | RT_NOREF(pCodeBuf, iVecRegDst, iVecRegSrc);
|
---|
8214 |
|
---|
8215 | /* Should never be called because we can just use iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(). */
|
---|
8216 | # ifdef IEM_WITH_THROW_CATCH
|
---|
8217 | AssertFailedStmt(IEMNATIVE_DO_LONGJMP(NULL, VERR_IEM_IPE_9));
|
---|
8218 | # else
|
---|
8219 | AssertReleaseFailedStmt(off = UINT32_MAX);
|
---|
8220 | # endif
|
---|
8221 | #else
|
---|
8222 | # error "port me"
|
---|
8223 | #endif
|
---|
8224 | return off;
|
---|
8225 | }
|
---|
8226 |
|
---|
8227 |
|
---|
8228 | /**
|
---|
8229 | * Emits a vecdst[0:127] = vecsrc[128:255] load, high 128-bit.
|
---|
8230 | */
|
---|
8231 | DECL_INLINE_THROW(uint32_t)
|
---|
8232 | iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8233 | {
|
---|
8234 | #ifdef RT_ARCH_AMD64
|
---|
8235 | off = iemNativeEmitSimdLoadVecRegLowU128FromVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iVecRegSrc);
|
---|
8236 | #elif defined(RT_ARCH_ARM64)
|
---|
8237 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8238 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc + 1);
|
---|
8239 | #else
|
---|
8240 | # error "port me"
|
---|
8241 | #endif
|
---|
8242 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8243 | return off;
|
---|
8244 | }
|
---|
8245 |
|
---|
8246 |
|
---|
8247 | /**
|
---|
8248 | * Emits a vecdst = vecsrc load, 256-bit.
|
---|
8249 | */
|
---|
8250 | DECL_INLINE_THROW(uint32_t)
|
---|
8251 | iemNativeEmitSimdLoadVecRegFromVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8252 | {
|
---|
8253 | #ifdef RT_ARCH_AMD64
|
---|
8254 | /* vmovdqa ymm, ymm */
|
---|
8255 | uint8_t * const pbCodeBuf = iemNativeInstrBufEnsure(pReNative, off, 5);
|
---|
8256 | if (iVecRegDst >= 8 && iVecRegSrc >= 8)
|
---|
8257 | {
|
---|
8258 | pbCodeBuf[off++] = X86_OP_VEX3;
|
---|
8259 | pbCodeBuf[off++] = 0x41;
|
---|
8260 | pbCodeBuf[off++] = 0x7d;
|
---|
8261 | pbCodeBuf[off++] = 0x6f;
|
---|
8262 | pbCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8263 | }
|
---|
8264 | else
|
---|
8265 | {
|
---|
8266 | pbCodeBuf[off++] = X86_OP_VEX2;
|
---|
8267 | pbCodeBuf[off++] = (iVecRegSrc >= 8 || iVecRegDst >= 8) ? 0x7d : 0xfd;
|
---|
8268 | pbCodeBuf[off++] = iVecRegSrc >= 8 ? 0x7f : 0x6f;
|
---|
8269 | pbCodeBuf[off++] = iVecRegSrc >= 8
|
---|
8270 | ? X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iVecRegDst & 7)
|
---|
8271 | : X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8272 | }
|
---|
8273 | #elif defined(RT_ARCH_ARM64)
|
---|
8274 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8275 | Assert(!(iVecRegDst & 0x1)); Assert(!(iVecRegSrc & 0x1));
|
---|
8276 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst, iVecRegSrc );
|
---|
8277 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128(pReNative, off, iVecRegDst + 1, iVecRegSrc + 1);
|
---|
8278 | #else
|
---|
8279 | # error "port me"
|
---|
8280 | #endif
|
---|
8281 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8282 | return off;
|
---|
8283 | }
|
---|
8284 |
|
---|
8285 |
|
---|
8286 | /**
|
---|
8287 | * Emits a vecdst = vecsrc load.
|
---|
8288 | */
|
---|
8289 | DECL_FORCE_INLINE(uint32_t)
|
---|
8290 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8291 | {
|
---|
8292 | #ifdef RT_ARCH_AMD64
|
---|
8293 | /* vinserti128 dst, dst, src, 1. */ /* ASSUMES AVX2 support */
|
---|
8294 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8295 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
8296 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8297 | pCodeBuf[off++] = 0x38;
|
---|
8298 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
8299 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8300 |
|
---|
8301 | #elif defined(RT_ARCH_ARM64)
|
---|
8302 | Assert(!(iVecRegDst & 0x1) && !(iVecRegSrc & 0x1));
|
---|
8303 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
8304 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
|
---|
8305 |
|
---|
8306 | #else
|
---|
8307 | # error "port me"
|
---|
8308 | #endif
|
---|
8309 | return off;
|
---|
8310 | }
|
---|
8311 |
|
---|
8312 |
|
---|
8313 | /**
|
---|
8314 | * Emits a vecdst[128:255] = vecsrc[0:127] load, 128-bit.
|
---|
8315 | */
|
---|
8316 | DECL_INLINE_THROW(uint32_t)
|
---|
8317 | iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
8318 | {
|
---|
8319 | #ifdef RT_ARCH_AMD64
|
---|
8320 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iVecRegSrc);
|
---|
8321 | #elif defined(RT_ARCH_ARM64)
|
---|
8322 | off = iemNativeEmitSimdLoadVecRegHighU128FromVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iVecRegSrc);
|
---|
8323 | #else
|
---|
8324 | # error "port me"
|
---|
8325 | #endif
|
---|
8326 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8327 | return off;
|
---|
8328 | }
|
---|
8329 |
|
---|
8330 |
|
---|
8331 | /**
|
---|
8332 | * Emits a gprdst = vecsrc[x] load, 64-bit.
|
---|
8333 | */
|
---|
8334 | DECL_FORCE_INLINE(uint32_t)
|
---|
8335 | iemNativeEmitSimdLoadGprFromVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
|
---|
8336 | {
|
---|
8337 | #ifdef RT_ARCH_AMD64
|
---|
8338 | if (iQWord >= 2)
|
---|
8339 | {
|
---|
8340 | /*
|
---|
8341 | * vpextrq doesn't work on the upper 128-bits.
|
---|
8342 | * So we use the following sequence:
|
---|
8343 | * vextracti128 vectmp0, vecsrc, 1
|
---|
8344 | * pextrq gpr, vectmp0, #(iQWord - 2)
|
---|
8345 | */
|
---|
8346 | /* vextracti128 */
|
---|
8347 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8348 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegSrc >= 8);
|
---|
8349 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8350 | pCodeBuf[off++] = 0x39;
|
---|
8351 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8352 | pCodeBuf[off++] = 0x1;
|
---|
8353 |
|
---|
8354 | /* pextrq */
|
---|
8355 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8356 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8357 | | (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8358 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8359 | pCodeBuf[off++] = 0x0f;
|
---|
8360 | pCodeBuf[off++] = 0x3a;
|
---|
8361 | pCodeBuf[off++] = 0x16;
|
---|
8362 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprDst & 7);
|
---|
8363 | pCodeBuf[off++] = iQWord - 2;
|
---|
8364 | }
|
---|
8365 | else
|
---|
8366 | {
|
---|
8367 | /* pextrq gpr, vecsrc, #iQWord (ASSUMES SSE4.1). */
|
---|
8368 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8369 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8370 | | (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8371 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8372 | pCodeBuf[off++] = 0x0f;
|
---|
8373 | pCodeBuf[off++] = 0x3a;
|
---|
8374 | pCodeBuf[off++] = 0x16;
|
---|
8375 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8376 | pCodeBuf[off++] = iQWord;
|
---|
8377 | }
|
---|
8378 | #elif defined(RT_ARCH_ARM64)
|
---|
8379 | /* umov gprdst, vecsrc[iQWord] */
|
---|
8380 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iQWord, kArmv8InstrUmovInsSz_U64);
|
---|
8381 | #else
|
---|
8382 | # error "port me"
|
---|
8383 | #endif
|
---|
8384 | return off;
|
---|
8385 | }
|
---|
8386 |
|
---|
8387 |
|
---|
8388 | /**
|
---|
8389 | * Emits a gprdst = vecsrc[x] load, 64-bit.
|
---|
8390 | */
|
---|
8391 | DECL_INLINE_THROW(uint32_t)
|
---|
8392 | iemNativeEmitSimdLoadGprFromVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iQWord)
|
---|
8393 | {
|
---|
8394 | Assert(iQWord <= 3);
|
---|
8395 |
|
---|
8396 | #ifdef RT_ARCH_AMD64
|
---|
8397 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 13), off, iGprDst, iVecRegSrc, iQWord);
|
---|
8398 | #elif defined(RT_ARCH_ARM64)
|
---|
8399 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8400 | Assert(!(iVecRegSrc & 0x1));
|
---|
8401 | /* Need to access the "high" 128-bit vector register. */
|
---|
8402 | if (iQWord >= 2)
|
---|
8403 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iQWord - 2);
|
---|
8404 | else
|
---|
8405 | off = iemNativeEmitSimdLoadGprFromVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iQWord);
|
---|
8406 | #else
|
---|
8407 | # error "port me"
|
---|
8408 | #endif
|
---|
8409 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8410 | return off;
|
---|
8411 | }
|
---|
8412 |
|
---|
8413 |
|
---|
8414 | /**
|
---|
8415 | * Emits a gprdst = vecsrc[x] load, 32-bit.
|
---|
8416 | */
|
---|
8417 | DECL_FORCE_INLINE(uint32_t)
|
---|
8418 | iemNativeEmitSimdLoadGprFromVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
|
---|
8419 | {
|
---|
8420 | #ifdef RT_ARCH_AMD64
|
---|
8421 | if (iDWord >= 4)
|
---|
8422 | {
|
---|
8423 | /*
|
---|
8424 | * vpextrd doesn't work on the upper 128-bits.
|
---|
8425 | * So we use the following sequence:
|
---|
8426 | * vextracti128 vectmp0, vecsrc, 1
|
---|
8427 | * pextrd gpr, vectmp0, #(iDWord - 4)
|
---|
8428 | */
|
---|
8429 | /* vextracti128 */
|
---|
8430 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8431 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegSrc >= 8);
|
---|
8432 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8433 | pCodeBuf[off++] = 0x39;
|
---|
8434 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8435 | pCodeBuf[off++] = 0x1;
|
---|
8436 |
|
---|
8437 | /* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
|
---|
8438 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8439 | if (iGprDst >= 8 || IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8)
|
---|
8440 | pCodeBuf[off++] = (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8441 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8442 | pCodeBuf[off++] = 0x0f;
|
---|
8443 | pCodeBuf[off++] = 0x3a;
|
---|
8444 | pCodeBuf[off++] = 0x16;
|
---|
8445 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprDst & 7);
|
---|
8446 | pCodeBuf[off++] = iDWord - 4;
|
---|
8447 | }
|
---|
8448 | else
|
---|
8449 | {
|
---|
8450 | /* pextrd gpr, vecsrc, #iDWord (ASSUMES SSE4.1). */
|
---|
8451 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8452 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8453 | pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8454 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8455 | pCodeBuf[off++] = 0x0f;
|
---|
8456 | pCodeBuf[off++] = 0x3a;
|
---|
8457 | pCodeBuf[off++] = 0x16;
|
---|
8458 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8459 | pCodeBuf[off++] = iDWord;
|
---|
8460 | }
|
---|
8461 | #elif defined(RT_ARCH_ARM64)
|
---|
8462 | Assert(iDWord < 4);
|
---|
8463 |
|
---|
8464 | /* umov gprdst, vecsrc[iDWord] */
|
---|
8465 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iDWord, kArmv8InstrUmovInsSz_U32, false /*fDst64Bit*/);
|
---|
8466 | #else
|
---|
8467 | # error "port me"
|
---|
8468 | #endif
|
---|
8469 | return off;
|
---|
8470 | }
|
---|
8471 |
|
---|
8472 |
|
---|
8473 | /**
|
---|
8474 | * Emits a gprdst = vecsrc[x] load, 32-bit.
|
---|
8475 | */
|
---|
8476 | DECL_INLINE_THROW(uint32_t)
|
---|
8477 | iemNativeEmitSimdLoadGprFromVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iDWord)
|
---|
8478 | {
|
---|
8479 | Assert(iDWord <= 7);
|
---|
8480 |
|
---|
8481 | #ifdef RT_ARCH_AMD64
|
---|
8482 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 15), off, iGprDst, iVecRegSrc, iDWord);
|
---|
8483 | #elif defined(RT_ARCH_ARM64)
|
---|
8484 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8485 | Assert(!(iVecRegSrc & 0x1));
|
---|
8486 | /* Need to access the "high" 128-bit vector register. */
|
---|
8487 | if (iDWord >= 4)
|
---|
8488 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iDWord - 4);
|
---|
8489 | else
|
---|
8490 | off = iemNativeEmitSimdLoadGprFromVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iDWord);
|
---|
8491 | #else
|
---|
8492 | # error "port me"
|
---|
8493 | #endif
|
---|
8494 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8495 | return off;
|
---|
8496 | }
|
---|
8497 |
|
---|
8498 |
|
---|
8499 | /**
|
---|
8500 | * Emits a gprdst = vecsrc[x] load, 16-bit.
|
---|
8501 | */
|
---|
8502 | DECL_FORCE_INLINE(uint32_t)
|
---|
8503 | iemNativeEmitSimdLoadGprFromVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
|
---|
8504 | {
|
---|
8505 | #ifdef RT_ARCH_AMD64
|
---|
8506 | if (iWord >= 8)
|
---|
8507 | {
|
---|
8508 | /** @todo Currently not used. */
|
---|
8509 | AssertReleaseFailed();
|
---|
8510 | }
|
---|
8511 | else
|
---|
8512 | {
|
---|
8513 | /* pextrw gpr, vecsrc, #iWord */
|
---|
8514 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8515 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8516 | pCodeBuf[off++] = (iGprDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8517 | | (iVecRegSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8518 | pCodeBuf[off++] = 0x0f;
|
---|
8519 | pCodeBuf[off++] = 0xc5;
|
---|
8520 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iGprDst & 7, iVecRegSrc & 7);
|
---|
8521 | pCodeBuf[off++] = iWord;
|
---|
8522 | }
|
---|
8523 | #elif defined(RT_ARCH_ARM64)
|
---|
8524 | /* umov gprdst, vecsrc[iWord] */
|
---|
8525 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iWord, kArmv8InstrUmovInsSz_U16, false /*fDst64Bit*/);
|
---|
8526 | #else
|
---|
8527 | # error "port me"
|
---|
8528 | #endif
|
---|
8529 | return off;
|
---|
8530 | }
|
---|
8531 |
|
---|
8532 |
|
---|
8533 | /**
|
---|
8534 | * Emits a gprdst = vecsrc[x] load, 16-bit.
|
---|
8535 | */
|
---|
8536 | DECL_INLINE_THROW(uint32_t)
|
---|
8537 | iemNativeEmitSimdLoadGprFromVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iWord)
|
---|
8538 | {
|
---|
8539 | Assert(iWord <= 16);
|
---|
8540 |
|
---|
8541 | #ifdef RT_ARCH_AMD64
|
---|
8542 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iGprDst, iVecRegSrc, iWord);
|
---|
8543 | #elif defined(RT_ARCH_ARM64)
|
---|
8544 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8545 | Assert(!(iVecRegSrc & 0x1));
|
---|
8546 | /* Need to access the "high" 128-bit vector register. */
|
---|
8547 | if (iWord >= 8)
|
---|
8548 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iWord - 8);
|
---|
8549 | else
|
---|
8550 | off = iemNativeEmitSimdLoadGprFromVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iWord);
|
---|
8551 | #else
|
---|
8552 | # error "port me"
|
---|
8553 | #endif
|
---|
8554 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8555 | return off;
|
---|
8556 | }
|
---|
8557 |
|
---|
8558 |
|
---|
8559 | /**
|
---|
8560 | * Emits a gprdst = vecsrc[x] load, 8-bit.
|
---|
8561 | */
|
---|
8562 | DECL_FORCE_INLINE(uint32_t)
|
---|
8563 | iemNativeEmitSimdLoadGprFromVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
|
---|
8564 | {
|
---|
8565 | #ifdef RT_ARCH_AMD64
|
---|
8566 | if (iByte >= 16)
|
---|
8567 | {
|
---|
8568 | /** @todo Currently not used. */
|
---|
8569 | AssertReleaseFailed();
|
---|
8570 | }
|
---|
8571 | else
|
---|
8572 | {
|
---|
8573 | /* pextrb gpr, vecsrc, #iByte */
|
---|
8574 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8575 | if (iGprDst >= 8 || iVecRegSrc >= 8)
|
---|
8576 | pCodeBuf[off++] = (iVecRegSrc < 8 ? 0 : X86_OP_REX_R)
|
---|
8577 | | (iGprDst < 8 ? 0 : X86_OP_REX_B);
|
---|
8578 | pCodeBuf[off++] = 0x0f;
|
---|
8579 | pCodeBuf[off++] = 0x3a;
|
---|
8580 | pCodeBuf[off++] = 0x14;
|
---|
8581 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegSrc & 7, iGprDst & 7);
|
---|
8582 | pCodeBuf[off++] = iByte;
|
---|
8583 | }
|
---|
8584 | #elif defined(RT_ARCH_ARM64)
|
---|
8585 | /* umov gprdst, vecsrc[iByte] */
|
---|
8586 | pCodeBuf[off++] = Armv8A64MkVecInstrUmov(iGprDst, iVecRegSrc, iByte, kArmv8InstrUmovInsSz_U8, false /*fDst64Bit*/);
|
---|
8587 | #else
|
---|
8588 | # error "port me"
|
---|
8589 | #endif
|
---|
8590 | return off;
|
---|
8591 | }
|
---|
8592 |
|
---|
8593 |
|
---|
8594 | /**
|
---|
8595 | * Emits a gprdst = vecsrc[x] load, 8-bit.
|
---|
8596 | */
|
---|
8597 | DECL_INLINE_THROW(uint32_t)
|
---|
8598 | iemNativeEmitSimdLoadGprFromVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iGprDst, uint8_t iVecRegSrc, uint8_t iByte)
|
---|
8599 | {
|
---|
8600 | Assert(iByte <= 32);
|
---|
8601 |
|
---|
8602 | #ifdef RT_ARCH_AMD64
|
---|
8603 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iGprDst, iVecRegSrc, iByte);
|
---|
8604 | #elif defined(RT_ARCH_ARM64)
|
---|
8605 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8606 | Assert(!(iVecRegSrc & 0x1));
|
---|
8607 | /* Need to access the "high" 128-bit vector register. */
|
---|
8608 | if (iByte >= 16)
|
---|
8609 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc + 1, iByte - 16);
|
---|
8610 | else
|
---|
8611 | off = iemNativeEmitSimdLoadGprFromVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iGprDst, iVecRegSrc, iByte);
|
---|
8612 | #else
|
---|
8613 | # error "port me"
|
---|
8614 | #endif
|
---|
8615 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8616 | return off;
|
---|
8617 | }
|
---|
8618 |
|
---|
8619 |
|
---|
8620 | /**
|
---|
8621 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8622 | */
|
---|
8623 | DECL_FORCE_INLINE(uint32_t)
|
---|
8624 | iemNativeEmitSimdStoreGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
|
---|
8625 | {
|
---|
8626 | #ifdef RT_ARCH_AMD64
|
---|
8627 | if (iQWord >= 2)
|
---|
8628 | {
|
---|
8629 | /*
|
---|
8630 | * vpinsrq doesn't work on the upper 128-bits.
|
---|
8631 | * So we use the following sequence:
|
---|
8632 | * vextracti128 vectmp0, vecdst, 1
|
---|
8633 | * pinsrq vectmp0, gpr, #(iQWord - 2)
|
---|
8634 | * vinserti128 vecdst, vectmp0, 1
|
---|
8635 | */
|
---|
8636 | /* vextracti128 */
|
---|
8637 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8638 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8639 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8640 | pCodeBuf[off++] = 0x39;
|
---|
8641 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8642 | pCodeBuf[off++] = 0x1;
|
---|
8643 |
|
---|
8644 | /* pinsrq */
|
---|
8645 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8646 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8647 | | (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8648 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8649 | pCodeBuf[off++] = 0x0f;
|
---|
8650 | pCodeBuf[off++] = 0x3a;
|
---|
8651 | pCodeBuf[off++] = 0x22;
|
---|
8652 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprSrc & 7);
|
---|
8653 | pCodeBuf[off++] = iQWord - 2;
|
---|
8654 |
|
---|
8655 | /* vinserti128 */
|
---|
8656 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8657 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8658 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8659 | pCodeBuf[off++] = 0x38;
|
---|
8660 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8661 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8662 | }
|
---|
8663 | else
|
---|
8664 | {
|
---|
8665 | /* pinsrq vecsrc, gpr, #iQWord (ASSUMES SSE4.1). */
|
---|
8666 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8667 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
8668 | | (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8669 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8670 | pCodeBuf[off++] = 0x0f;
|
---|
8671 | pCodeBuf[off++] = 0x3a;
|
---|
8672 | pCodeBuf[off++] = 0x22;
|
---|
8673 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8674 | pCodeBuf[off++] = iQWord;
|
---|
8675 | }
|
---|
8676 | #elif defined(RT_ARCH_ARM64)
|
---|
8677 | /* ins vecsrc[iQWord], gpr */
|
---|
8678 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iQWord, kArmv8InstrUmovInsSz_U64);
|
---|
8679 | #else
|
---|
8680 | # error "port me"
|
---|
8681 | #endif
|
---|
8682 | return off;
|
---|
8683 | }
|
---|
8684 |
|
---|
8685 |
|
---|
8686 | /**
|
---|
8687 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8688 | */
|
---|
8689 | DECL_INLINE_THROW(uint32_t)
|
---|
8690 | iemNativeEmitSimdStoreGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iQWord)
|
---|
8691 | {
|
---|
8692 | Assert(iQWord <= 3);
|
---|
8693 |
|
---|
8694 | #ifdef RT_ARCH_AMD64
|
---|
8695 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 19), off, iVecRegDst, iGprSrc, iQWord);
|
---|
8696 | #elif defined(RT_ARCH_ARM64)
|
---|
8697 | Assert(!(iVecRegDst & 0x1));
|
---|
8698 | if (iQWord >= 2)
|
---|
8699 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iGprSrc, iQWord - 2);
|
---|
8700 | else
|
---|
8701 | off = iemNativeEmitSimdStoreGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iQWord);
|
---|
8702 | #else
|
---|
8703 | # error "port me"
|
---|
8704 | #endif
|
---|
8705 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8706 | return off;
|
---|
8707 | }
|
---|
8708 |
|
---|
8709 |
|
---|
8710 | /**
|
---|
8711 | * Emits a vecdst[x] = gprsrc store, 32-bit.
|
---|
8712 | */
|
---|
8713 | DECL_FORCE_INLINE(uint32_t)
|
---|
8714 | iemNativeEmitSimdStoreGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
|
---|
8715 | {
|
---|
8716 | #ifdef RT_ARCH_AMD64
|
---|
8717 | if (iDWord >= 4)
|
---|
8718 | {
|
---|
8719 | /*
|
---|
8720 | * vpinsrq doesn't work on the upper 128-bits.
|
---|
8721 | * So we use the following sequence:
|
---|
8722 | * vextracti128 vectmp0, vecdst, 1
|
---|
8723 | * pinsrd vectmp0, gpr, #(iDword - 4)
|
---|
8724 | * vinserti128 vecdst, vectmp0, 1
|
---|
8725 | */
|
---|
8726 | /* vextracti128 */
|
---|
8727 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8728 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8729 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8730 | pCodeBuf[off++] = 0x39;
|
---|
8731 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8732 | pCodeBuf[off++] = 0x1;
|
---|
8733 |
|
---|
8734 | /* pinsrd */
|
---|
8735 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8736 | if (IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8 || iGprSrc >= 8)
|
---|
8737 | pCodeBuf[off++] = (IEMNATIVE_SIMD_REG_FIXED_TMP0 < 8 ? 0 : X86_OP_REX_R)
|
---|
8738 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8739 | pCodeBuf[off++] = 0x0f;
|
---|
8740 | pCodeBuf[off++] = 0x3a;
|
---|
8741 | pCodeBuf[off++] = 0x22;
|
---|
8742 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7, iGprSrc & 7);
|
---|
8743 | pCodeBuf[off++] = iDWord - 4;
|
---|
8744 |
|
---|
8745 | /* vinserti128 */
|
---|
8746 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
8747 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, IEMNATIVE_SIMD_REG_FIXED_TMP0 >= 8, false, iVecRegDst >= 8);
|
---|
8748 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
8749 | pCodeBuf[off++] = 0x38;
|
---|
8750 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, IEMNATIVE_SIMD_REG_FIXED_TMP0 & 7);
|
---|
8751 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
8752 | }
|
---|
8753 | else
|
---|
8754 | {
|
---|
8755 | /* pinsrd vecsrc, gpr, #iDWord (ASSUMES SSE4.1). */
|
---|
8756 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8757 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8758 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8759 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8760 | pCodeBuf[off++] = 0x0f;
|
---|
8761 | pCodeBuf[off++] = 0x3a;
|
---|
8762 | pCodeBuf[off++] = 0x22;
|
---|
8763 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8764 | pCodeBuf[off++] = iDWord;
|
---|
8765 | }
|
---|
8766 | #elif defined(RT_ARCH_ARM64)
|
---|
8767 | /* ins vecsrc[iDWord], gpr */
|
---|
8768 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iDWord, kArmv8InstrUmovInsSz_U32);
|
---|
8769 | #else
|
---|
8770 | # error "port me"
|
---|
8771 | #endif
|
---|
8772 | return off;
|
---|
8773 | }
|
---|
8774 |
|
---|
8775 |
|
---|
8776 | /**
|
---|
8777 | * Emits a vecdst[x] = gprsrc store, 64-bit.
|
---|
8778 | */
|
---|
8779 | DECL_INLINE_THROW(uint32_t)
|
---|
8780 | iemNativeEmitSimdStoreGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iDWord)
|
---|
8781 | {
|
---|
8782 | Assert(iDWord <= 7);
|
---|
8783 |
|
---|
8784 | #ifdef RT_ARCH_AMD64
|
---|
8785 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 19), off, iVecRegDst, iGprSrc, iDWord);
|
---|
8786 | #elif defined(RT_ARCH_ARM64)
|
---|
8787 | Assert(!(iVecRegDst & 0x1));
|
---|
8788 | if (iDWord >= 4)
|
---|
8789 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst + 1, iGprSrc, iDWord - 4);
|
---|
8790 | else
|
---|
8791 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iDWord);
|
---|
8792 | #else
|
---|
8793 | # error "port me"
|
---|
8794 | #endif
|
---|
8795 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8796 | return off;
|
---|
8797 | }
|
---|
8798 |
|
---|
8799 |
|
---|
8800 | /**
|
---|
8801 | * Emits a vecdst[x] = gprsrc store, 16-bit.
|
---|
8802 | */
|
---|
8803 | DECL_FORCE_INLINE(uint32_t)
|
---|
8804 | iemNativeEmitSimdStoreGprToVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iWord)
|
---|
8805 | {
|
---|
8806 | #ifdef RT_ARCH_AMD64
|
---|
8807 | /* pinsrw vecsrc, gpr, #iWord. */
|
---|
8808 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8809 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8810 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8811 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8812 | pCodeBuf[off++] = 0x0f;
|
---|
8813 | pCodeBuf[off++] = 0xc4;
|
---|
8814 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8815 | pCodeBuf[off++] = iWord;
|
---|
8816 | #elif defined(RT_ARCH_ARM64)
|
---|
8817 | /* ins vecsrc[iWord], gpr */
|
---|
8818 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iWord, kArmv8InstrUmovInsSz_U16);
|
---|
8819 | #else
|
---|
8820 | # error "port me"
|
---|
8821 | #endif
|
---|
8822 | return off;
|
---|
8823 | }
|
---|
8824 |
|
---|
8825 |
|
---|
8826 | /**
|
---|
8827 | * Emits a vecdst[x] = gprsrc store, 16-bit.
|
---|
8828 | */
|
---|
8829 | DECL_INLINE_THROW(uint32_t)
|
---|
8830 | iemNativeEmitSimdStoreGprToVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iWord)
|
---|
8831 | {
|
---|
8832 | Assert(iWord <= 15);
|
---|
8833 |
|
---|
8834 | #ifdef RT_ARCH_AMD64
|
---|
8835 | off = iemNativeEmitSimdStoreGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 6), off, iVecRegDst, iGprSrc, iWord);
|
---|
8836 | #elif defined(RT_ARCH_ARM64)
|
---|
8837 | off = iemNativeEmitSimdStoreGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iWord);
|
---|
8838 | #else
|
---|
8839 | # error "port me"
|
---|
8840 | #endif
|
---|
8841 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8842 | return off;
|
---|
8843 | }
|
---|
8844 |
|
---|
8845 |
|
---|
8846 | /**
|
---|
8847 | * Emits a vecdst[x] = gprsrc store, 8-bit.
|
---|
8848 | */
|
---|
8849 | DECL_FORCE_INLINE(uint32_t)
|
---|
8850 | iemNativeEmitSimdStoreGprToVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iByte)
|
---|
8851 | {
|
---|
8852 | #ifdef RT_ARCH_AMD64
|
---|
8853 | /* pinsrb vecsrc, gpr, #iByte (ASSUMES SSE4.1). */
|
---|
8854 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8855 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
8856 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
8857 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
8858 | pCodeBuf[off++] = 0x0f;
|
---|
8859 | pCodeBuf[off++] = 0x3a;
|
---|
8860 | pCodeBuf[off++] = 0x20;
|
---|
8861 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
8862 | pCodeBuf[off++] = iByte;
|
---|
8863 | #elif defined(RT_ARCH_ARM64)
|
---|
8864 | /* ins vecsrc[iByte], gpr */
|
---|
8865 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecRegDst, iGprSrc, iByte, kArmv8InstrUmovInsSz_U8);
|
---|
8866 | #else
|
---|
8867 | # error "port me"
|
---|
8868 | #endif
|
---|
8869 | return off;
|
---|
8870 | }
|
---|
8871 |
|
---|
8872 |
|
---|
8873 | /**
|
---|
8874 | * Emits a vecdst[x] = gprsrc store, 8-bit.
|
---|
8875 | */
|
---|
8876 | DECL_INLINE_THROW(uint32_t)
|
---|
8877 | iemNativeEmitSimdStoreGprToVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, uint8_t iByte)
|
---|
8878 | {
|
---|
8879 | Assert(iByte <= 15);
|
---|
8880 |
|
---|
8881 | #ifdef RT_ARCH_AMD64
|
---|
8882 | off = iemNativeEmitSimdStoreGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecRegDst, iGprSrc, iByte);
|
---|
8883 | #elif defined(RT_ARCH_ARM64)
|
---|
8884 | off = iemNativeEmitSimdStoreGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecRegDst, iGprSrc, iByte);
|
---|
8885 | #else
|
---|
8886 | # error "port me"
|
---|
8887 | #endif
|
---|
8888 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8889 | return off;
|
---|
8890 | }
|
---|
8891 |
|
---|
8892 |
|
---|
8893 | /**
|
---|
8894 | * Emits a vecdst.au32[iDWord] = 0 store.
|
---|
8895 | */
|
---|
8896 | DECL_FORCE_INLINE(uint32_t)
|
---|
8897 | iemNativeEmitSimdZeroVecRegElemU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
|
---|
8898 | {
|
---|
8899 | Assert(iDWord <= 7);
|
---|
8900 |
|
---|
8901 | #ifdef RT_ARCH_AMD64
|
---|
8902 | /*
|
---|
8903 | * xor tmp0, tmp0
|
---|
8904 | * pinsrd xmm, tmp0, iDword
|
---|
8905 | */
|
---|
8906 | if (IEMNATIVE_REG_FIXED_TMP0 >= 8)
|
---|
8907 | pCodeBuf[off++] = X86_OP_REX_R | X86_OP_REX_B;
|
---|
8908 | pCodeBuf[off++] = 0x33;
|
---|
8909 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, IEMNATIVE_REG_FIXED_TMP0 & 7, IEMNATIVE_REG_FIXED_TMP0 & 7);
|
---|
8910 | off = iemNativeEmitSimdStoreGprToVecRegU32Ex(pCodeBuf, off, iVecReg, IEMNATIVE_REG_FIXED_TMP0, iDWord);
|
---|
8911 | #elif defined(RT_ARCH_ARM64)
|
---|
8912 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8913 | Assert(!(iVecReg & 0x1));
|
---|
8914 | /* ins vecsrc[iDWord], wzr */
|
---|
8915 | if (iDWord >= 4)
|
---|
8916 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg + 1, ARMV8_A64_REG_WZR, iDWord - 4, kArmv8InstrUmovInsSz_U32);
|
---|
8917 | else
|
---|
8918 | pCodeBuf[off++] = Armv8A64MkVecInstrIns(iVecReg, ARMV8_A64_REG_WZR, iDWord, kArmv8InstrUmovInsSz_U32);
|
---|
8919 | #else
|
---|
8920 | # error "port me"
|
---|
8921 | #endif
|
---|
8922 | return off;
|
---|
8923 | }
|
---|
8924 |
|
---|
8925 |
|
---|
8926 | /**
|
---|
8927 | * Emits a vecdst.au32[iDWord] = 0 store.
|
---|
8928 | */
|
---|
8929 | DECL_INLINE_THROW(uint32_t)
|
---|
8930 | iemNativeEmitSimdZeroVecRegElemU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg, uint8_t iDWord)
|
---|
8931 | {
|
---|
8932 |
|
---|
8933 | #ifdef RT_ARCH_AMD64
|
---|
8934 | off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 10), off, iVecReg, iDWord);
|
---|
8935 | #elif defined(RT_ARCH_ARM64)
|
---|
8936 | off = iemNativeEmitSimdZeroVecRegElemU32Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg, iDWord);
|
---|
8937 | #else
|
---|
8938 | # error "port me"
|
---|
8939 | #endif
|
---|
8940 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8941 | return off;
|
---|
8942 | }
|
---|
8943 |
|
---|
8944 |
|
---|
8945 | /**
|
---|
8946 | * Emits a vecdst[0:127] = 0 store.
|
---|
8947 | */
|
---|
8948 | DECL_FORCE_INLINE(uint32_t)
|
---|
8949 | iemNativeEmitSimdZeroVecRegLowU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
8950 | {
|
---|
8951 | #ifdef RT_ARCH_AMD64
|
---|
8952 | /* pxor xmm, xmm */
|
---|
8953 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
8954 | if (iVecReg >= 8)
|
---|
8955 | pCodeBuf[off++] = X86_OP_REX_B | X86_OP_REX_R;
|
---|
8956 | pCodeBuf[off++] = 0x0f;
|
---|
8957 | pCodeBuf[off++] = 0xef;
|
---|
8958 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
8959 | #elif defined(RT_ARCH_ARM64)
|
---|
8960 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
8961 | Assert(!(iVecReg & 0x1));
|
---|
8962 | /* eor vecreg, vecreg, vecreg */
|
---|
8963 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
|
---|
8964 | #else
|
---|
8965 | # error "port me"
|
---|
8966 | #endif
|
---|
8967 | return off;
|
---|
8968 | }
|
---|
8969 |
|
---|
8970 |
|
---|
8971 | /**
|
---|
8972 | * Emits a vecdst[0:127] = 0 store.
|
---|
8973 | */
|
---|
8974 | DECL_INLINE_THROW(uint32_t)
|
---|
8975 | iemNativeEmitSimdZeroVecRegLowU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
8976 | {
|
---|
8977 | #ifdef RT_ARCH_AMD64
|
---|
8978 | off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
|
---|
8979 | #elif defined(RT_ARCH_ARM64)
|
---|
8980 | off = iemNativeEmitSimdZeroVecRegLowU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
|
---|
8981 | #else
|
---|
8982 | # error "port me"
|
---|
8983 | #endif
|
---|
8984 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
8985 | return off;
|
---|
8986 | }
|
---|
8987 |
|
---|
8988 |
|
---|
8989 | /**
|
---|
8990 | * Emits a vecdst[128:255] = 0 store.
|
---|
8991 | */
|
---|
8992 | DECL_FORCE_INLINE(uint32_t)
|
---|
8993 | iemNativeEmitSimdZeroVecRegHighU128Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
8994 | {
|
---|
8995 | #ifdef RT_ARCH_AMD64
|
---|
8996 | /* vmovdqa xmm, xmm. This will clear the upper half of ymm */
|
---|
8997 | if (iVecReg < 8)
|
---|
8998 | {
|
---|
8999 | pCodeBuf[off++] = X86_OP_VEX2;
|
---|
9000 | pCodeBuf[off++] = 0xf9;
|
---|
9001 | }
|
---|
9002 | else
|
---|
9003 | {
|
---|
9004 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9005 | pCodeBuf[off++] = 0x41;
|
---|
9006 | pCodeBuf[off++] = 0x79;
|
---|
9007 | }
|
---|
9008 | pCodeBuf[off++] = 0x6f;
|
---|
9009 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
9010 | #elif defined(RT_ARCH_ARM64)
|
---|
9011 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9012 | Assert(!(iVecReg & 0x1));
|
---|
9013 | /* eor vecreg, vecreg, vecreg */
|
---|
9014 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
|
---|
9015 | #else
|
---|
9016 | # error "port me"
|
---|
9017 | #endif
|
---|
9018 | return off;
|
---|
9019 | }
|
---|
9020 |
|
---|
9021 |
|
---|
9022 | /**
|
---|
9023 | * Emits a vecdst[128:255] = 0 store.
|
---|
9024 | */
|
---|
9025 | DECL_INLINE_THROW(uint32_t)
|
---|
9026 | iemNativeEmitSimdZeroVecRegHighU128(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
9027 | {
|
---|
9028 | #ifdef RT_ARCH_AMD64
|
---|
9029 | off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 7), off, iVecReg);
|
---|
9030 | #elif defined(RT_ARCH_ARM64)
|
---|
9031 | off = iemNativeEmitSimdZeroVecRegHighU128Ex(iemNativeInstrBufEnsure(pReNative, off, 1), off, iVecReg);
|
---|
9032 | #else
|
---|
9033 | # error "port me"
|
---|
9034 | #endif
|
---|
9035 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9036 | return off;
|
---|
9037 | }
|
---|
9038 |
|
---|
9039 |
|
---|
9040 | /**
|
---|
9041 | * Emits a vecdst[0:255] = 0 store.
|
---|
9042 | */
|
---|
9043 | DECL_FORCE_INLINE(uint32_t)
|
---|
9044 | iemNativeEmitSimdZeroVecRegU256Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecReg)
|
---|
9045 | {
|
---|
9046 | #ifdef RT_ARCH_AMD64
|
---|
9047 | /* vpxor ymm, ymm, ymm */
|
---|
9048 | if (iVecReg < 8)
|
---|
9049 | {
|
---|
9050 | pCodeBuf[off++] = X86_OP_VEX2;
|
---|
9051 | pCodeBuf[off++] = X86_OP_VEX2_BYTE1_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9052 | }
|
---|
9053 | else
|
---|
9054 | {
|
---|
9055 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9056 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X | 0x01;
|
---|
9057 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecReg, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9058 | }
|
---|
9059 | pCodeBuf[off++] = 0xef;
|
---|
9060 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecReg & 7, iVecReg & 7);
|
---|
9061 | #elif defined(RT_ARCH_ARM64)
|
---|
9062 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9063 | Assert(!(iVecReg & 0x1));
|
---|
9064 | /* eor vecreg, vecreg, vecreg */
|
---|
9065 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg, iVecReg, iVecReg);
|
---|
9066 | pCodeBuf[off++] = Armv8A64MkVecInstrEor(iVecReg + 1, iVecReg + 1, iVecReg + 1);
|
---|
9067 | #else
|
---|
9068 | # error "port me"
|
---|
9069 | #endif
|
---|
9070 | return off;
|
---|
9071 | }
|
---|
9072 |
|
---|
9073 |
|
---|
9074 | /**
|
---|
9075 | * Emits a vecdst[0:255] = 0 store.
|
---|
9076 | */
|
---|
9077 | DECL_INLINE_THROW(uint32_t)
|
---|
9078 | iemNativeEmitSimdZeroVecRegU256(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecReg)
|
---|
9079 | {
|
---|
9080 | #ifdef RT_ARCH_AMD64
|
---|
9081 | off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 5), off, iVecReg);
|
---|
9082 | #elif defined(RT_ARCH_ARM64)
|
---|
9083 | off = iemNativeEmitSimdZeroVecRegU256Ex(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecReg);
|
---|
9084 | #else
|
---|
9085 | # error "port me"
|
---|
9086 | #endif
|
---|
9087 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9088 | return off;
|
---|
9089 | }
|
---|
9090 |
|
---|
9091 |
|
---|
9092 | /**
|
---|
9093 | * Emits a vecdst = gprsrc broadcast, 8-bit.
|
---|
9094 | */
|
---|
9095 | DECL_FORCE_INLINE(uint32_t)
|
---|
9096 | iemNativeEmitSimdBroadcastGprToVecRegU8Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9097 | {
|
---|
9098 | #ifdef RT_ARCH_AMD64
|
---|
9099 | /* pinsrb vecdst, gpr, #0 (ASSUMES SSE 4.1) */
|
---|
9100 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9101 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9102 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9103 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9104 | pCodeBuf[off++] = 0x0f;
|
---|
9105 | pCodeBuf[off++] = 0x3a;
|
---|
9106 | pCodeBuf[off++] = 0x20;
|
---|
9107 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9108 | pCodeBuf[off++] = 0x00;
|
---|
9109 |
|
---|
9110 | /* vpbroadcastb {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9111 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9112 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9113 | | 0x02 /* opcode map. */
|
---|
9114 | | ( iVecRegDst >= 8
|
---|
9115 | ? 0
|
---|
9116 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9117 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9118 | pCodeBuf[off++] = 0x78;
|
---|
9119 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9120 | #elif defined(RT_ARCH_ARM64)
|
---|
9121 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9122 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9123 |
|
---|
9124 | /* dup vecsrc, gpr */
|
---|
9125 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U8);
|
---|
9126 | if (f256Bit)
|
---|
9127 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U8);
|
---|
9128 | #else
|
---|
9129 | # error "port me"
|
---|
9130 | #endif
|
---|
9131 | return off;
|
---|
9132 | }
|
---|
9133 |
|
---|
9134 |
|
---|
9135 | /**
|
---|
9136 | * Emits a vecdst[x] = gprsrc broadcast, 8-bit.
|
---|
9137 | */
|
---|
9138 | DECL_INLINE_THROW(uint32_t)
|
---|
9139 | iemNativeEmitSimdBroadcastGprToVecRegU8(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9140 | {
|
---|
9141 | #ifdef RT_ARCH_AMD64
|
---|
9142 | off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9143 | #elif defined(RT_ARCH_ARM64)
|
---|
9144 | off = iemNativeEmitSimdBroadcastGprToVecRegU8Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9145 | #else
|
---|
9146 | # error "port me"
|
---|
9147 | #endif
|
---|
9148 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9149 | return off;
|
---|
9150 | }
|
---|
9151 |
|
---|
9152 |
|
---|
9153 | /**
|
---|
9154 | * Emits a vecdst = gprsrc broadcast, 16-bit.
|
---|
9155 | */
|
---|
9156 | DECL_FORCE_INLINE(uint32_t)
|
---|
9157 | iemNativeEmitSimdBroadcastGprToVecRegU16Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9158 | {
|
---|
9159 | #ifdef RT_ARCH_AMD64
|
---|
9160 | /* pinsrw vecdst, gpr, #0 */
|
---|
9161 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9162 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9163 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9164 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9165 | pCodeBuf[off++] = 0x0f;
|
---|
9166 | pCodeBuf[off++] = 0xc4;
|
---|
9167 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9168 | pCodeBuf[off++] = 0x00;
|
---|
9169 |
|
---|
9170 | /* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9171 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9172 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9173 | | 0x02 /* opcode map. */
|
---|
9174 | | ( iVecRegDst >= 8
|
---|
9175 | ? 0
|
---|
9176 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9177 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9178 | pCodeBuf[off++] = 0x79;
|
---|
9179 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9180 | #elif defined(RT_ARCH_ARM64)
|
---|
9181 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9182 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9183 |
|
---|
9184 | /* dup vecsrc, gpr */
|
---|
9185 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U16);
|
---|
9186 | if (f256Bit)
|
---|
9187 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U16);
|
---|
9188 | #else
|
---|
9189 | # error "port me"
|
---|
9190 | #endif
|
---|
9191 | return off;
|
---|
9192 | }
|
---|
9193 |
|
---|
9194 |
|
---|
9195 | /**
|
---|
9196 | * Emits a vecdst[x] = gprsrc broadcast, 16-bit.
|
---|
9197 | */
|
---|
9198 | DECL_INLINE_THROW(uint32_t)
|
---|
9199 | iemNativeEmitSimdBroadcastGprToVecRegU16(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9200 | {
|
---|
9201 | #ifdef RT_ARCH_AMD64
|
---|
9202 | off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9203 | #elif defined(RT_ARCH_ARM64)
|
---|
9204 | off = iemNativeEmitSimdBroadcastGprToVecRegU16Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9205 | #else
|
---|
9206 | # error "port me"
|
---|
9207 | #endif
|
---|
9208 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9209 | return off;
|
---|
9210 | }
|
---|
9211 |
|
---|
9212 |
|
---|
9213 | /**
|
---|
9214 | * Emits a vecdst = gprsrc broadcast, 32-bit.
|
---|
9215 | */
|
---|
9216 | DECL_FORCE_INLINE(uint32_t)
|
---|
9217 | iemNativeEmitSimdBroadcastGprToVecRegU32Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9218 | {
|
---|
9219 | #ifdef RT_ARCH_AMD64
|
---|
9220 | /** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
|
---|
9221 | * vbroadcast needs a memory operand or another xmm register to work... */
|
---|
9222 |
|
---|
9223 | /* pinsrd vecdst, gpr, #0 (ASSUMES SSE4.1). */
|
---|
9224 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9225 | if (iVecRegDst >= 8 || iGprSrc >= 8)
|
---|
9226 | pCodeBuf[off++] = (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9227 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9228 | pCodeBuf[off++] = 0x0f;
|
---|
9229 | pCodeBuf[off++] = 0x3a;
|
---|
9230 | pCodeBuf[off++] = 0x22;
|
---|
9231 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9232 | pCodeBuf[off++] = 0x00;
|
---|
9233 |
|
---|
9234 | /* vpbroadcastd {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9235 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9236 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9237 | | 0x02 /* opcode map. */
|
---|
9238 | | ( iVecRegDst >= 8
|
---|
9239 | ? 0
|
---|
9240 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9241 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9242 | pCodeBuf[off++] = 0x58;
|
---|
9243 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9244 | #elif defined(RT_ARCH_ARM64)
|
---|
9245 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9246 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9247 |
|
---|
9248 | /* dup vecsrc, gpr */
|
---|
9249 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U32);
|
---|
9250 | if (f256Bit)
|
---|
9251 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U32);
|
---|
9252 | #else
|
---|
9253 | # error "port me"
|
---|
9254 | #endif
|
---|
9255 | return off;
|
---|
9256 | }
|
---|
9257 |
|
---|
9258 |
|
---|
9259 | /**
|
---|
9260 | * Emits a vecdst[x] = gprsrc broadcast, 32-bit.
|
---|
9261 | */
|
---|
9262 | DECL_INLINE_THROW(uint32_t)
|
---|
9263 | iemNativeEmitSimdBroadcastGprToVecRegU32(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9264 | {
|
---|
9265 | #ifdef RT_ARCH_AMD64
|
---|
9266 | off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, 12), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9267 | #elif defined(RT_ARCH_ARM64)
|
---|
9268 | off = iemNativeEmitSimdBroadcastGprToVecRegU32Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9269 | #else
|
---|
9270 | # error "port me"
|
---|
9271 | #endif
|
---|
9272 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9273 | return off;
|
---|
9274 | }
|
---|
9275 |
|
---|
9276 |
|
---|
9277 | /**
|
---|
9278 | * Emits a vecdst = gprsrc broadcast, 64-bit.
|
---|
9279 | */
|
---|
9280 | DECL_FORCE_INLINE(uint32_t)
|
---|
9281 | iemNativeEmitSimdBroadcastGprToVecRegU64Ex(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9282 | {
|
---|
9283 | #ifdef RT_ARCH_AMD64
|
---|
9284 | /** @todo If anyone has a better idea on how to do this more efficiently I'm all ears,
|
---|
9285 | * vbroadcast needs a memory operand or another xmm register to work... */
|
---|
9286 |
|
---|
9287 | /* pinsrq vecdst, gpr, #0 (ASSUMES SSE4.1). */
|
---|
9288 | pCodeBuf[off++] = X86_OP_PRF_SIZE_OP;
|
---|
9289 | pCodeBuf[off++] = X86_OP_REX_W
|
---|
9290 | | (iVecRegDst < 8 ? 0 : X86_OP_REX_R)
|
---|
9291 | | (iGprSrc < 8 ? 0 : X86_OP_REX_B);
|
---|
9292 | pCodeBuf[off++] = 0x0f;
|
---|
9293 | pCodeBuf[off++] = 0x3a;
|
---|
9294 | pCodeBuf[off++] = 0x22;
|
---|
9295 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iGprSrc & 7);
|
---|
9296 | pCodeBuf[off++] = 0x00;
|
---|
9297 |
|
---|
9298 | /* vpbroadcastq {y,x}mm, xmm (ASSUMES AVX2). */
|
---|
9299 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9300 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_X
|
---|
9301 | | 0x02 /* opcode map. */
|
---|
9302 | | ( iVecRegDst >= 8
|
---|
9303 | ? 0
|
---|
9304 | : X86_OP_VEX3_BYTE1_B | X86_OP_VEX3_BYTE1_R);
|
---|
9305 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE_NO_VVVV(false, f256Bit, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9306 | pCodeBuf[off++] = 0x59;
|
---|
9307 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegDst & 7);
|
---|
9308 | #elif defined(RT_ARCH_ARM64)
|
---|
9309 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9310 | Assert(!(iVecRegDst & 0x1) || !f256Bit);
|
---|
9311 |
|
---|
9312 | /* dup vecsrc, gpr */
|
---|
9313 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst, iGprSrc, kArmv8InstrUmovInsSz_U64);
|
---|
9314 | if (f256Bit)
|
---|
9315 | pCodeBuf[off++] = Armv8A64MkVecInstrDup(iVecRegDst + 1, iGprSrc, kArmv8InstrUmovInsSz_U64);
|
---|
9316 | #else
|
---|
9317 | # error "port me"
|
---|
9318 | #endif
|
---|
9319 | return off;
|
---|
9320 | }
|
---|
9321 |
|
---|
9322 |
|
---|
9323 | /**
|
---|
9324 | * Emits a vecdst[x] = gprsrc broadcast, 64-bit.
|
---|
9325 | */
|
---|
9326 | DECL_INLINE_THROW(uint32_t)
|
---|
9327 | iemNativeEmitSimdBroadcastGprToVecRegU64(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iGprSrc, bool f256Bit = false)
|
---|
9328 | {
|
---|
9329 | #ifdef RT_ARCH_AMD64
|
---|
9330 | off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, 14), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9331 | #elif defined(RT_ARCH_ARM64)
|
---|
9332 | off = iemNativeEmitSimdBroadcastGprToVecRegU64Ex(iemNativeInstrBufEnsure(pReNative, off, f256Bit ? 2 : 1), off, iVecRegDst, iGprSrc, f256Bit);
|
---|
9333 | #else
|
---|
9334 | # error "port me"
|
---|
9335 | #endif
|
---|
9336 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9337 | return off;
|
---|
9338 | }
|
---|
9339 |
|
---|
9340 |
|
---|
9341 | /**
|
---|
9342 | * Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
|
---|
9343 | */
|
---|
9344 | DECL_FORCE_INLINE(uint32_t)
|
---|
9345 | iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(PIEMNATIVEINSTR pCodeBuf, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
9346 | {
|
---|
9347 | #ifdef RT_ARCH_AMD64
|
---|
9348 | off = iemNativeEmitSimdLoadVecRegFromVecRegU128Ex(pCodeBuf, off, iVecRegDst, iVecRegSrc);
|
---|
9349 |
|
---|
9350 | /* vinserti128 ymm, ymm, xmm, 1. */ /* ASSUMES AVX2 support */
|
---|
9351 | pCodeBuf[off++] = X86_OP_VEX3;
|
---|
9352 | pCodeBuf[off++] = X86_OP_VEX3_BYTE1_MAKE(0x3, iVecRegSrc >= 8, false, iVecRegDst >= 8);
|
---|
9353 | pCodeBuf[off++] = X86_OP_VEX3_BYTE2_MAKE(false, iVecRegDst, true, X86_OP_VEX3_BYTE2_P_066H);
|
---|
9354 | pCodeBuf[off++] = 0x38;
|
---|
9355 | pCodeBuf[off++] = X86_MODRM_MAKE(X86_MOD_REG, iVecRegDst & 7, iVecRegSrc & 7);
|
---|
9356 | pCodeBuf[off++] = 0x01; /* Immediate */
|
---|
9357 | #elif defined(RT_ARCH_ARM64)
|
---|
9358 | /* ASSUMES that there are two adjacent 128-bit registers available for the 256-bit value. */
|
---|
9359 | Assert(!(iVecRegDst & 0x1));
|
---|
9360 |
|
---|
9361 | /* mov dst, src; alias for: orr dst, src, src */
|
---|
9362 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst, iVecRegSrc, iVecRegSrc);
|
---|
9363 | pCodeBuf[off++] = Armv8A64MkVecInstrOrr(iVecRegDst + 1, iVecRegSrc, iVecRegSrc);
|
---|
9364 | #else
|
---|
9365 | # error "port me"
|
---|
9366 | #endif
|
---|
9367 | return off;
|
---|
9368 | }
|
---|
9369 |
|
---|
9370 |
|
---|
9371 | /**
|
---|
9372 | * Emits a vecdst[0:127] = vecdst[128:255] = vecsrc[0:127] broadcast, 128-bit.
|
---|
9373 | */
|
---|
9374 | DECL_INLINE_THROW(uint32_t)
|
---|
9375 | iemNativeEmitSimdBroadcastVecRegU128ToVecReg(PIEMRECOMPILERSTATE pReNative, uint32_t off, uint8_t iVecRegDst, uint8_t iVecRegSrc)
|
---|
9376 | {
|
---|
9377 | #ifdef RT_ARCH_AMD64
|
---|
9378 | off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 11), off, iVecRegDst, iVecRegSrc);
|
---|
9379 | #elif defined(RT_ARCH_ARM64)
|
---|
9380 | off = iemNativeEmitSimdBroadcastVecRegU128ToVecRegEx(iemNativeInstrBufEnsure(pReNative, off, 2), off, iVecRegDst, iVecRegSrc);
|
---|
9381 | #else
|
---|
9382 | # error "port me"
|
---|
9383 | #endif
|
---|
9384 | IEMNATIVE_ASSERT_INSTR_BUF_ENSURE(pReNative, off);
|
---|
9385 | return off;
|
---|
9386 | }
|
---|
9387 |
|
---|
9388 | #endif /* IEMNATIVE_WITH_SIMD_REG_ALLOCATOR */
|
---|
9389 |
|
---|
9390 | /** @} */
|
---|
9391 |
|
---|
9392 | #endif /* !VMM_INCLUDED_SRC_include_IEMN8veRecompilerEmit_h */
|
---|
9393 |
|
---|