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LeafOS / LeafOS-Project / android_art / 465455f6538a4b624a8482e8927f5cbb929c2f5c / . / compiler / utils / x86 / assembler_x86.cc
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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "assembler_x86.h"
#include "base/casts.h"
#include "base/memory_region.h"
#include "entrypoints/quick/quick_entrypoints.h"
#include "thread.h"
namespace art HIDDEN {
namespace x86 {
std::ostream& operator<<(std::ostream& os, const XmmRegister& reg) {
return os << "XMM" << static_cast<int>(reg);
}
std::ostream& operator<<(std::ostream& os, const X87Register& reg) {
return os << "ST" << static_cast<int>(reg);
}
std::ostream& operator<<(std::ostream& os, const Address& addr) {
switch (addr.mod()) {
case 0:
if (addr.rm() != ESP || addr.index() == ESP) {
return os << "(%" << addr.rm() << ")";
} else if (addr.base() == EBP) {
return os << static_cast<int>(addr.disp32()) << "(,%" << addr.index()
<< "," << (1 << addr.scale()) << ")";
}
return os << "(%" << addr.base() << ",%" << addr.index() << "," << (1 << addr.scale()) << ")";
case 1:
if (addr.rm() != ESP || addr.index() == ESP) {
return os << static_cast<int>(addr.disp8()) << "(%" << addr.rm() << ")";
}
return os << static_cast<int>(addr.disp8()) << "(%" << addr.base() << ",%"
<< addr.index() << "," << (1 << addr.scale()) << ")";
case 2:
if (addr.rm() != ESP || addr.index() == ESP) {
return os << static_cast<int>(addr.disp32()) << "(%" << addr.rm() << ")";
}
return os << static_cast<int>(addr.disp32()) << "(%" << addr.base() << ",%"
<< addr.index() << "," << (1 << addr.scale()) << ")";
default:
return os << "<address?>";
}
}
bool X86Assembler::CpuHasAVXorAVX2FeatureFlag() {
if (has_AVX_ || has_AVX2_) {
return true;
}
return false;
}
void X86Assembler::call(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitRegisterOperand(2, reg);
}
void X86Assembler::call(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitOperand(2, address);
}
void X86Assembler::call(Label* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xE8);
static const int kSize = 5;
// Offset by one because we already have emitted the opcode.
EmitLabel(label, kSize - 1);
}
void X86Assembler::call(const ExternalLabel& label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
intptr_t call_start = buffer_.GetPosition();
EmitUint8(0xE8);
EmitInt32(label.address());
static const intptr_t kCallExternalLabelSize = 5;
DCHECK_EQ((buffer_.GetPosition() - call_start), kCallExternalLabelSize);
}
void X86Assembler::pushl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x50 + reg);
}
void X86Assembler::pushl(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitOperand(6, address);
}
void X86Assembler::pushl(const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (imm.is_int8()) {
EmitUint8(0x6A);
EmitUint8(imm.value() & 0xFF);
} else {
EmitUint8(0x68);
EmitImmediate(imm);
}
}
void X86Assembler::popl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x58 + reg);
}
void X86Assembler::popl(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x8F);
EmitOperand(0, address);
}
void X86Assembler::movl(Register dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xB8 + dst);
EmitImmediate(imm);
}
void X86Assembler::movl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x89);
EmitRegisterOperand(src, dst);
}
void X86Assembler::movl(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x8B);
EmitOperand(dst, src);
}
void X86Assembler::movl(const Address& dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x89);
EmitOperand(src, dst);
}
void X86Assembler::movl(const Address& dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC7);
EmitOperand(0, dst);
EmitImmediate(imm);
}
void X86Assembler::movl(const Address& dst, Label* lbl) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC7);
EmitOperand(0, dst);
EmitLabel(lbl, dst.length_ + 5);
}
void X86Assembler::movntl(const Address& dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC3);
EmitOperand(src, dst);
}
void X86Assembler::blsi(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
uint8_t byte_one = EmitVexPrefixByteOne(false, false, false, SET_VEX_M_0F_38);
uint8_t byte_two = EmitVexPrefixByteTwo(false,
X86ManagedRegister::FromCpuRegister(dst),
SET_VEX_L_128, SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
EmitUint8(byte_two);
EmitUint8(0xF3);
EmitRegisterOperand(3, src);
}
void X86Assembler::blsmsk(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
uint8_t byte_one = EmitVexPrefixByteOne(false, false, false, SET_VEX_M_0F_38);
uint8_t byte_two = EmitVexPrefixByteTwo(false,
X86ManagedRegister::FromCpuRegister(dst),
SET_VEX_L_128, SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
EmitUint8(byte_two);
EmitUint8(0xF3);
EmitRegisterOperand(2, src);
}
void X86Assembler::blsr(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
uint8_t byte_one = EmitVexPrefixByteOne(false, false, false, SET_VEX_M_0F_38);
uint8_t byte_two = EmitVexPrefixByteTwo(false,
X86ManagedRegister::FromCpuRegister(dst),
SET_VEX_L_128, SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
EmitUint8(byte_two);
EmitUint8(0xF3);
EmitRegisterOperand(1, src);
}
void X86Assembler::bswapl(Register dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC8 + dst);
}
void X86Assembler::bsfl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBC);
EmitRegisterOperand(dst, src);
}
void X86Assembler::bsfl(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBC);
EmitOperand(dst, src);
}
void X86Assembler::bsrl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBD);
EmitRegisterOperand(dst, src);
}
void X86Assembler::bsrl(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBD);
EmitOperand(dst, src);
}
void X86Assembler::popcntl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0xB8);
EmitRegisterOperand(dst, src);
}
void X86Assembler::popcntl(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0xB8);
EmitOperand(dst, src);
}
void X86Assembler::movzxb(Register dst, ByteRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB6);
EmitRegisterOperand(dst, src);
}
void X86Assembler::movzxb(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB6);
EmitOperand(dst, src);
}
void X86Assembler::movsxb(Register dst, ByteRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBE);
EmitRegisterOperand(dst, src);
}
void X86Assembler::movsxb(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBE);
EmitOperand(dst, src);
}
void X86Assembler::movb(Register /*dst*/, const Address& /*src*/) {
LOG(FATAL) << "Use movzxb or movsxb instead.";
}
void X86Assembler::movb(const Address& dst, ByteRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x88);
EmitOperand(src, dst);
}
void X86Assembler::movb(const Address& dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC6);
EmitOperand(EAX, dst);
CHECK(imm.is_int8());
EmitUint8(imm.value() & 0xFF);
}
void X86Assembler::movzxw(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB7);
EmitRegisterOperand(dst, src);
}
void X86Assembler::movzxw(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB7);
EmitOperand(dst, src);
}
void X86Assembler::movsxw(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBF);
EmitRegisterOperand(dst, src);
}
void X86Assembler::movsxw(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xBF);
EmitOperand(dst, src);
}
void X86Assembler::movw(Register /*dst*/, const Address& /*src*/) {
LOG(FATAL) << "Use movzxw or movsxw instead.";
}
void X86Assembler::movw(const Address& dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
EmitUint8(0x89);
EmitOperand(src, dst);
}
void X86Assembler::movw(const Address& dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
EmitUint8(0xC7);
EmitOperand(0, dst);
CHECK(imm.is_uint16() || imm.is_int16());
EmitUint8(imm.value() & 0xFF);
EmitUint8(imm.value() >> 8);
}
void X86Assembler::leal(Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x8D);
EmitOperand(dst, src);
}
void X86Assembler::cmovl(Condition condition, Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x40 + condition);
EmitRegisterOperand(dst, src);
}
void X86Assembler::cmovl(Condition condition, Register dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x40 + condition);
EmitOperand(dst, src);
}
void X86Assembler::setb(Condition condition, Register dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x90 + condition);
EmitOperand(0, Operand(dst));
}
void X86Assembler::movaps(XmmRegister dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovaps(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x28);
EmitXmmRegisterOperand(dst, src);
}
/**VEX.128.0F.WIG 28 /r VMOVAPS xmm1, xmm2*/
void X86Assembler::vmovaps(XmmRegister dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t byte_one = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
/**Instruction Opcode*/
EmitUint8(0x28);
/**Instruction Operands*/
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::movaps(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovaps(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x28);
EmitOperand(dst, src);
}
/**VEX.128.0F.WIG 28 /r VMOVAPS xmm1, m128*/
void X86Assembler::vmovaps(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
/**Instruction Opcode*/
EmitUint8(0x28);
/**Instruction Operands*/
EmitOperand(dst, src);
}
void X86Assembler::movups(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovups(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x10);
EmitOperand(dst, src);
}
/**VEX.128.0F.WIG 10 /r VMOVUPS xmm1, m128*/
void X86Assembler::vmovups(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
/*Instruction Opcode*/
EmitUint8(0x10);
/*Instruction Operands*/
EmitOperand(dst, src);
}
void X86Assembler::movaps(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovaps(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x29);
EmitOperand(src, dst);
}
/**VEX.128.0F.WIG 29 /r VMOVAPS m128, xmm1*/
void X86Assembler::vmovaps(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
/**Instruction Opcode*/
EmitUint8(0x29);
/**Instruction Operands*/
EmitOperand(src, dst);
}
void X86Assembler::movups(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovups(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitOperand(src, dst);
}
/**VEX.128.0F.WIG 11 /r VMOVUPS m128, xmm1*/
void X86Assembler::vmovups(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x11);
// Instruction Operands
EmitOperand(src, dst);
}
void X86Assembler::movss(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x10);
EmitOperand(dst, src);
}
void X86Assembler::movss(const Address& dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitOperand(src, dst);
}
void X86Assembler::movss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitXmmRegisterOperand(src, dst);
}
void X86Assembler::movd(XmmRegister dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6E);
EmitOperand(dst, Operand(src));
}
void X86Assembler::movd(Register dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x7E);
EmitOperand(src, Operand(dst));
}
void X86Assembler::addss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::addss(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitOperand(dst, src);
}
void X86Assembler::subss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::subss(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitOperand(dst, src);
}
void X86Assembler::mulss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::mulss(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitOperand(dst, src);
}
void X86Assembler::divss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::divss(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitOperand(dst, src);
}
void X86Assembler::addps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vaddps(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(add_left),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::subps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vsubps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t byte_zero = 0x00, byte_one = 0x00;
byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(src1);
byte_one = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::mulps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vmulps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::divps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vdivps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::vfmadd213ss(XmmRegister acc, XmmRegister left, XmmRegister right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00, ByteTwo = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
/*X=*/ false,
/*B=*/ false,
SET_VEX_M_0F_38);
ByteTwo = EmitVexPrefixByteTwo(/*W=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(ByteTwo);
EmitUint8(0xA9);
EmitXmmRegisterOperand(acc, right);
}
void X86Assembler::vfmadd213sd(XmmRegister acc, XmmRegister left, XmmRegister right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00, ByteTwo = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
/*X=*/ false,
/*B=*/ false,
SET_VEX_M_0F_38);
ByteTwo = EmitVexPrefixByteTwo(/*W=*/ true, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(ByteTwo);
EmitUint8(0xA9);
EmitXmmRegisterOperand(acc, right);
}
void X86Assembler::movapd(XmmRegister dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovapd(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x28);
EmitXmmRegisterOperand(dst, src);
}
/**VEX.128.66.0F.WIG 28 /r VMOVAPD xmm1, xmm2*/
void X86Assembler::vmovapd(XmmRegister dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg ,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x28);
// Instruction Operands
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::movapd(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovapd(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x28);
EmitOperand(dst, src);
}
/**VEX.128.66.0F.WIG 28 /r VMOVAPD xmm1, m128*/
void X86Assembler::vmovapd(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x28);
// Instruction Operands
EmitOperand(dst, src);
}
void X86Assembler::movupd(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovupd(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x10);
EmitOperand(dst, src);
}
/**VEX.128.66.0F.WIG 10 /r VMOVUPD xmm1, m128*/
void X86Assembler::vmovupd(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix*/
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x10);
// Instruction Operands
EmitOperand(dst, src);
}
void X86Assembler::movapd(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovapd(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x29);
EmitOperand(src, dst);
}
/**VEX.128.66.0F.WIG 29 /r VMOVAPD m128, xmm1 */
void X86Assembler::vmovapd(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.*/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x29);
// Instruction Operands
EmitOperand(src, dst);
}
void X86Assembler::movupd(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovupd(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitOperand(src, dst);
}
/**VEX.128.66.0F.WIG 11 /r VMOVUPD m128, xmm1 */
void X86Assembler::vmovupd(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
/**a REX prefix is necessary only if an instruction references one of the
extended registers or uses a 64-bit operand.**/
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x11);
// Instruction Operands
EmitOperand(src, dst);
}
void X86Assembler::flds(const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitOperand(0, src);
}
void X86Assembler::fsts(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitOperand(2, dst);
}
void X86Assembler::fstps(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitOperand(3, dst);
}
void X86Assembler::movsd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x10);
EmitOperand(dst, src);
}
void X86Assembler::movsd(const Address& dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitOperand(src, dst);
}
void X86Assembler::movsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x11);
EmitXmmRegisterOperand(src, dst);
}
void X86Assembler::movhpd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x16);
EmitOperand(dst, src);
}
void X86Assembler::movhpd(const Address& dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x17);
EmitOperand(src, dst);
}
void X86Assembler::addsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::addsd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitOperand(dst, src);
}
void X86Assembler::subsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::subsd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitOperand(dst, src);
}
void X86Assembler::mulsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::mulsd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitOperand(dst, src);
}
void X86Assembler::divsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::divsd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitOperand(dst, src);
}
void X86Assembler::addpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vaddpd(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(add_left),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x58);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::subpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vsubpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x5C);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::mulpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vmulpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x59);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::divpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vdivpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0x5E);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::movdqa(XmmRegister dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovdqa(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6F);
EmitXmmRegisterOperand(dst, src);
}
/**VEX.128.66.0F.WIG 6F /r VMOVDQA xmm1, xmm2 */
void X86Assembler::vmovdqa(XmmRegister dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x6F);
// Instruction Operands
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::movdqa(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovdqa(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6F);
EmitOperand(dst, src);
}
/**VEX.128.66.0F.WIG 6F /r VMOVDQA xmm1, m128 */
void X86Assembler::vmovdqa(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x6F);
// Instruction Operands
EmitOperand(dst, src);
}
void X86Assembler::movdqu(XmmRegister dst, const Address& src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovdqu(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x6F);
EmitOperand(dst, src);
}
/**VEX.128.F3.0F.WIG 6F /r VMOVDQU xmm1, m128 */
void X86Assembler::vmovdqu(XmmRegister dst, const Address& src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_F3);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x6F);
// Instruction Operands
EmitOperand(dst, src);
}
void X86Assembler::movdqa(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovdqa(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x7F);
EmitOperand(src, dst);
}
/**VEX.128.66.0F.WIG 7F /r VMOVDQA m128, xmm1 */
void X86Assembler::vmovdqa(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
/**Instruction VEX Prefix */
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x7F);
// Instruction Operands
EmitOperand(src, dst);
}
void X86Assembler::movdqu(const Address& dst, XmmRegister src) {
if (CpuHasAVXorAVX2FeatureFlag()) {
vmovdqu(dst, src);
return;
}
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x7F);
EmitOperand(src, dst);
}
/**VEX.128.F3.0F.WIG 7F /r VMOVDQU m128, xmm1 */
void X86Assembler::vmovdqu(const Address& dst, XmmRegister src) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
// Instruction VEX Prefix
uint8_t ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = ManagedRegister::NoRegister().AsX86();
uint8_t ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
vvvv_reg,
SET_VEX_L_128,
SET_VEX_PP_F3);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x7F);
// Instruction Operands
EmitOperand(src, dst);
}
void X86Assembler::paddb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xFC);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpaddb(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteOne = 0x00, ByteZero = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xFC);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::psubb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xF8);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpsubb(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xF8);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::paddw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xFD);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpaddw(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xFD);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::psubw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xF9);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpsubw(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xF9);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::pmullw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xD5);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::paddd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xFE);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpaddd(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xFE);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::psubd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xFA);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpsubd(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xFA);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::pmulld(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x40);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpmulld(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00, ByteTwo = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
/*X=*/ false,
/*B=*/ false,
SET_VEX_M_0F_38);
ByteTwo = EmitVexPrefixByteTwo(/*W=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(ByteTwo);
EmitUint8(0x40);
EmitRegisterOperand(dst, src2);
}
void X86Assembler::vpmullw(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xD5);
EmitRegisterOperand(dst, src2);
}
void X86Assembler::paddq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xD4);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpaddq(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xD4);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::psubq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xFB);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpsubq(XmmRegister dst, XmmRegister add_left, XmmRegister add_right) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(add_left);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xFB);
EmitXmmRegisterOperand(dst, add_right);
}
void X86Assembler::paddusb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDC);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::paddsb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xEC);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::paddusw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDD);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::paddsw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xED);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psubusb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xD8);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psubsb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xE8);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psubusw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xD9);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psubsw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xE9);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtsi2ss(XmmRegister dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x2A);
EmitOperand(dst, Operand(src));
}
void X86Assembler::cvtsi2sd(XmmRegister dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x2A);
EmitOperand(dst, Operand(src));
}
void X86Assembler::cvtss2si(Register dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x2D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtss2sd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x5A);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtsd2si(Register dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x2D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvttss2si(Register dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x2C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvttsd2si(Register dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x2C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtsd2ss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x5A);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtdq2ps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x5B);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::cvtdq2pd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0xE6);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::comiss(XmmRegister a, XmmRegister b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x2F);
EmitXmmRegisterOperand(a, b);
}
void X86Assembler::comiss(XmmRegister a, const Address& b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x2F);
EmitOperand(a, b);
}
void X86Assembler::comisd(XmmRegister a, XmmRegister b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x2F);
EmitXmmRegisterOperand(a, b);
}
void X86Assembler::comisd(XmmRegister a, const Address& b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x2F);
EmitOperand(a, b);
}
void X86Assembler::ucomiss(XmmRegister a, XmmRegister b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x2E);
EmitXmmRegisterOperand(a, b);
}
void X86Assembler::ucomiss(XmmRegister a, const Address& b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x2E);
EmitOperand(a, b);
}
void X86Assembler::ucomisd(XmmRegister a, XmmRegister b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x2E);
EmitXmmRegisterOperand(a, b);
}
void X86Assembler::ucomisd(XmmRegister a, const Address& b) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x2E);
EmitOperand(a, b);
}
void X86Assembler::roundsd(XmmRegister dst, XmmRegister src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x3A);
EmitUint8(0x0B);
EmitXmmRegisterOperand(dst, src);
EmitUint8(imm.value());
}
void X86Assembler::roundss(XmmRegister dst, XmmRegister src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x3A);
EmitUint8(0x0A);
EmitXmmRegisterOperand(dst, src);
EmitUint8(imm.value());
}
void X86Assembler::sqrtsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x51);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::sqrtss(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0x0F);
EmitUint8(0x51);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::xorpd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x57);
EmitOperand(dst, src);
}
void X86Assembler::xorpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x57);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::xorps(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x57);
EmitOperand(dst, src);
}
void X86Assembler::xorps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x57);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pxor(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xEF);
EmitXmmRegisterOperand(dst, src);
}
/* VEX.128.66.0F.WIG EF /r VPXOR xmm1, xmm2, xmm3/m128 */
void X86Assembler::vpxor(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0xEF);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.0F.WIG 57 /r VXORPS xmm1,xmm2, xmm3/m128 */
void X86Assembler::vxorps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x57);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.66.0F.WIG 57 /r VXORPD xmm1,xmm2, xmm3/m128 */
void X86Assembler::vxorpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x57);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::andpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x54);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::andpd(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x54);
EmitOperand(dst, src);
}
void X86Assembler::andps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x54);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::andps(XmmRegister dst, const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x54);
EmitOperand(dst, src);
}
void X86Assembler::pand(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDB);
EmitXmmRegisterOperand(dst, src);
}
/* VEX.128.66.0F.WIG DB /r VPAND xmm1, xmm2, xmm3/m128 */
void X86Assembler::vpand(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0xDB);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.0F 54 /r VANDPS xmm1,xmm2, xmm3/m128 */
void X86Assembler::vandps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x54);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.66.0F 54 /r VANDPD xmm1, xmm2, xmm3/m128 */
void X86Assembler::vandpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x54);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::andnpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x55);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::andnps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x55);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pandn(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDF);
EmitXmmRegisterOperand(dst, src);
}
/* VEX.128.66.0F.WIG DF /r VPANDN xmm1, xmm2, xmm3/m128 */
void X86Assembler::vpandn(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0xDF);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.0F 55 /r VANDNPS xmm1, xmm2, xmm3/m128 */
void X86Assembler::vandnps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x55);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.66.0F 55 /r VANDNPD xmm1, xmm2, xmm3/m128 */
void X86Assembler::vandnpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x55);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::orpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x56);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::orps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x56);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::andn(Register dst, Register src1, Register src2) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t byte_zero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ false);
uint8_t byte_one = EmitVexPrefixByteOne(/*R=*/ false,
/*X=*/ false,
/*B=*/ false,
SET_VEX_M_0F_38);
uint8_t byte_two = EmitVexPrefixByteTwo(/*W=*/ false,
X86ManagedRegister::FromCpuRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(byte_zero);
EmitUint8(byte_one);
EmitUint8(byte_two);
// Opcode field
EmitUint8(0xF2);
EmitRegisterOperand(dst, src2);
}
void X86Assembler::por(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xEB);
EmitXmmRegisterOperand(dst, src);
}
/* VEX.128.66.0F.WIG EB /r VPOR xmm1, xmm2, xmm3/m128 */
void X86Assembler::vpor(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0xEB);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.0F 56 /r VORPS xmm1,xmm2, xmm3/m128 */
void X86Assembler::vorps(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_NONE);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x56);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
/* VEX.128.66.0F 56 /r VORPD xmm1,xmm2, xmm3/m128 */
void X86Assembler::vorpd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
/* Instruction VEX Prefix */
ByteZero = EmitVexPrefixByteZero(/*is_twobyte_form=*/ true);
/* REX prefix is necessary only if an instruction references one of extended
registers or uses a 64-bit operand. */
ByteOne = EmitVexPrefixByteOne(/*R=*/ false,
X86ManagedRegister::FromXmmRegister(src1),
SET_VEX_L_128,
SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
// Instruction Opcode
EmitUint8(0x56);
// Instruction Operands
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::pavgb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xE0);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pavgw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xE3);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psadbw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xF6);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaddwd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xF5);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::vpmaddwd(XmmRegister dst, XmmRegister src1, XmmRegister src2) {
DCHECK(CpuHasAVXorAVX2FeatureFlag());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
uint8_t ByteZero = 0x00, ByteOne = 0x00;
ByteZero = EmitVexPrefixByteZero(/* is_twobyte_form=*/ true);
X86ManagedRegister vvvv_reg = X86ManagedRegister::FromXmmRegister(src1);
ByteOne = EmitVexPrefixByteOne(/*R=*/ false, vvvv_reg, SET_VEX_L_128, SET_VEX_PP_66);
EmitUint8(ByteZero);
EmitUint8(ByteOne);
EmitUint8(0xF5);
EmitXmmRegisterOperand(dst, src2);
}
void X86Assembler::phaddw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x01);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::phaddd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x02);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::haddps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x7C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::haddpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x7C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::phsubw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x05);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::phsubd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x06);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::hsubps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0x0F);
EmitUint8(0x7D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::hsubpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x7D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminsb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x38);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxsb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminsw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xEA);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxsw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xEE);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x39);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxsd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminub(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDA);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxub(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xDE);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminuw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3A);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxuw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3E);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pminud(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3B);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pmaxud(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x3F);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::minps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x5D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::maxps(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0x5F);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::minpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x5D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::maxpd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x5F);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpeqb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x74);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpeqw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x75);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpeqd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x76);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpeqq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x29);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpgtb(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x64);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpgtw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x65);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpgtd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x66);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::pcmpgtq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x38);
EmitUint8(0x37);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::shufpd(XmmRegister dst, XmmRegister src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0xC6);
EmitXmmRegisterOperand(dst, src);
EmitUint8(imm.value());
}
void X86Assembler::shufps(XmmRegister dst, XmmRegister src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC6);
EmitXmmRegisterOperand(dst, src);
EmitUint8(imm.value());
}
void X86Assembler::pshufd(XmmRegister dst, XmmRegister src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x70);
EmitXmmRegisterOperand(dst, src);
EmitUint8(imm.value());
}
void X86Assembler::punpcklbw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x60);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpcklwd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x61);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpckldq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x62);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpcklqdq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6C);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpckhbw(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x68);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpckhwd(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x69);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpckhdq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6A);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::punpckhqdq(XmmRegister dst, XmmRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x6D);
EmitXmmRegisterOperand(dst, src);
}
void X86Assembler::psllw(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x71);
EmitXmmRegisterOperand(6, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::pslld(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x72);
EmitXmmRegisterOperand(6, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psllq(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x73);
EmitXmmRegisterOperand(6, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psraw(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x71);
EmitXmmRegisterOperand(4, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psrad(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x72);
EmitXmmRegisterOperand(4, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psrlw(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x71);
EmitXmmRegisterOperand(2, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psrld(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x72);
EmitXmmRegisterOperand(2, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psrlq(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x73);
EmitXmmRegisterOperand(2, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::psrldq(XmmRegister reg, const Immediate& shift_count) {
DCHECK(shift_count.is_uint8());
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0x0F);
EmitUint8(0x73);
EmitXmmRegisterOperand(3, reg);
EmitUint8(shift_count.value());
}
void X86Assembler::fldl(const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDD);
EmitOperand(0, src);
}
void X86Assembler::fstl(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDD);
EmitOperand(2, dst);
}
void X86Assembler::fstpl(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDD);
EmitOperand(3, dst);
}
void X86Assembler::fstsw() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x9B);
EmitUint8(0xDF);
EmitUint8(0xE0);
}
void X86Assembler::fnstcw(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitOperand(7, dst);
}
void X86Assembler::fldcw(const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitOperand(5, src);
}
void X86Assembler::fistpl(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDF);
EmitOperand(7, dst);
}
void X86Assembler::fistps(const Address& dst) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDB);
EmitOperand(3, dst);
}
void X86Assembler::fildl(const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDF);
EmitOperand(5, src);
}
void X86Assembler::filds(const Address& src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDB);
EmitOperand(0, src);
}
void X86Assembler::fincstp() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitUint8(0xF7);
}
void X86Assembler::ffree(const Immediate& index) {
CHECK_LT(index.value(), 7);
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDD);
EmitUint8(0xC0 + index.value());
}
void X86Assembler::fsin() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitUint8(0xFE);
}
void X86Assembler::fcos() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitUint8(0xFF);
}
void X86Assembler::fptan() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitUint8(0xF2);
}
void X86Assembler::fucompp() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xDA);
EmitUint8(0xE9);
}
void X86Assembler::fprem() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xD9);
EmitUint8(0xF8);
}
bool X86Assembler::try_xchg_eax(Register dst, Register src) {
if (src != EAX && dst != EAX) {
return false;
}
if (dst == EAX) {
std::swap(src, dst);
}
EmitUint8(0x90 + dst);
return true;
}
void X86Assembler::xchgb(ByteRegister dst, ByteRegister src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x86);
EmitRegisterOperand(dst, src);
}
void X86Assembler::xchgb(ByteRegister reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x86);
EmitOperand(reg, address);
}
void X86Assembler::xchgb(Register dst, Register src) {
xchgb(static_cast<ByteRegister>(dst), static_cast<ByteRegister>(src));
}
void X86Assembler::xchgb(Register reg, const Address& address) {
xchgb(static_cast<ByteRegister>(reg), address);
}
void X86Assembler::xchgw(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
if (try_xchg_eax(dst, src)) {
// A short version for AX.
return;
}
// General case.
EmitUint8(0x87);
EmitRegisterOperand(dst, src);
}
void X86Assembler::xchgw(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
EmitUint8(0x87);
EmitOperand(reg, address);
}
void X86Assembler::xchgl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (try_xchg_eax(dst, src)) {
// A short version for EAX.
return;
}
// General case.
EmitUint8(0x87);
EmitRegisterOperand(dst, src);
}
void X86Assembler::xchgl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x87);
EmitOperand(reg, address);
}
void X86Assembler::cmpb(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x80);
EmitOperand(7, address);
EmitUint8(imm.value() & 0xFF);
}
void X86Assembler::cmpw(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitComplex(7, address, imm, /* is_16_op= */ true);
}
void X86Assembler::cmpl(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(7, Operand(reg), imm);
}
void X86Assembler::cmpl(Register reg0, Register reg1) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x3B);
EmitOperand(reg0, Operand(reg1));
}
void X86Assembler::cmpl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x3B);
EmitOperand(reg, address);
}
void X86Assembler::addl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x03);
EmitRegisterOperand(dst, src);
}
void X86Assembler::addl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x03);
EmitOperand(reg, address);
}
void X86Assembler::cmpl(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x39);
EmitOperand(reg, address);
}
void X86Assembler::cmpl(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(7, address, imm);
}
void X86Assembler::testl(Register reg1, Register reg2) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x85);
EmitRegisterOperand(reg1, reg2);
}
void X86Assembler::testl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x85);
EmitOperand(reg, address);
}
void X86Assembler::testl(Register reg, const Immediate& immediate) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
// For registers that have a byte variant (EAX, EBX, ECX, and EDX)
// we only test the byte register to keep the encoding short.
if (immediate.is_uint8() && reg < 4) {
// Use zero-extended 8-bit immediate.
if (reg == EAX) {
EmitUint8(0xA8);
} else {
EmitUint8(0xF6);
EmitUint8(0xC0 + reg);
}
EmitUint8(immediate.value() & 0xFF);
} else if (reg == EAX) {
// Use short form if the destination is EAX.
EmitUint8(0xA9);
EmitImmediate(immediate);
} else {
EmitUint8(0xF7);
EmitOperand(0, Operand(reg));
EmitImmediate(immediate);
}
}
void X86Assembler::testb(const Address& dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF6);
EmitOperand(EAX, dst);
CHECK(imm.is_int8());
EmitUint8(imm.value() & 0xFF);
}
void X86Assembler::testl(const Address& dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(0, dst);
EmitImmediate(imm);
}
void X86Assembler::andl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x23);
EmitOperand(dst, Operand(src));
}
void X86Assembler::andl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x23);
EmitOperand(reg, address);
}
void X86Assembler::andl(Register dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(4, Operand(dst), imm);
}
void X86Assembler::andw(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
CHECK(imm.is_uint16() || imm.is_int16()) << imm.value();
EmitOperandSizeOverride();
EmitComplex(4, address, imm, /* is_16_op= */ true);
}
void X86Assembler::orl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0B);
EmitOperand(dst, Operand(src));
}
void X86Assembler::orl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0B);
EmitOperand(reg, address);
}
void X86Assembler::orl(Register dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(1, Operand(dst), imm);
}
void X86Assembler::xorl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x33);
EmitOperand(dst, Operand(src));
}
void X86Assembler::xorl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x33);
EmitOperand(reg, address);
}
void X86Assembler::xorl(Register dst, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(6, Operand(dst), imm);
}
void X86Assembler::addl(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(0, Operand(reg), imm);
}
void X86Assembler::addl(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x01);
EmitOperand(reg, address);
}
void X86Assembler::addl(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(0, address, imm);
}
void X86Assembler::addw(const Address& address, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
CHECK(imm.is_uint16() || imm.is_int16()) << imm.value();
EmitUint8(0x66);
EmitComplex(0, address, imm, /* is_16_op= */ true);
}
void X86Assembler::addw(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
CHECK(imm.is_uint16() || imm.is_int16()) << imm.value();
EmitUint8(0x66);
EmitComplex(0, Operand(reg), imm, /* is_16_op= */ true);
}
void X86Assembler::adcl(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(2, Operand(reg), imm);
}
void X86Assembler::adcl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x13);
EmitOperand(dst, Operand(src));
}
void X86Assembler::adcl(Register dst, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x13);
EmitOperand(dst, address);
}
void X86Assembler::subl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x2B);
EmitOperand(dst, Operand(src));
}
void X86Assembler::subl(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(5, Operand(reg), imm);
}
void X86Assembler::subl(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x2B);
EmitOperand(reg, address);
}
void X86Assembler::subl(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x29);
EmitOperand(reg, address);
}
void X86Assembler::cdq() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x99);
}
void X86Assembler::idivl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitUint8(0xF8 | reg);
}
void X86Assembler::divl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitUint8(0xF0 | reg);
}
void X86Assembler::imull(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xAF);
EmitOperand(dst, Operand(src));
}
void X86Assembler::imull(Register dst, Register src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
// See whether imm can be represented as a sign-extended 8bit value.
int32_t v32 = static_cast<int32_t>(imm.value());
if (IsInt<8>(v32)) {
// Sign-extension works.
EmitUint8(0x6B);
EmitOperand(dst, Operand(src));
EmitUint8(static_cast<uint8_t>(v32 & 0xFF));
} else {
// Not representable, use full immediate.
EmitUint8(0x69);
EmitOperand(dst, Operand(src));
EmitImmediate(imm);
}
}
void X86Assembler::imull(Register reg, const Immediate& imm) {
imull(reg, reg, imm);
}
void X86Assembler::imull(Register reg, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xAF);
EmitOperand(reg, address);
}
void X86Assembler::imull(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(5, Operand(reg));
}
void X86Assembler::imull(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(5, address);
}
void X86Assembler::mull(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(4, Operand(reg));
}
void X86Assembler::mull(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(4, address);
}
void X86Assembler::sbbl(Register dst, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x1B);
EmitOperand(dst, Operand(src));
}
void X86Assembler::sbbl(Register reg, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitComplex(3, Operand(reg), imm);
}
void X86Assembler::sbbl(Register dst, const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x1B);
EmitOperand(dst, address);
}
void X86Assembler::sbbl(const Address& address, Register src) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x19);
EmitOperand(src, address);
}
void X86Assembler::incl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x40 + reg);
}
void X86Assembler::incl(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitOperand(0, address);
}
void X86Assembler::decl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x48 + reg);
}
void X86Assembler::decl(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitOperand(1, address);
}
void X86Assembler::shll(Register reg, const Immediate& imm) {
EmitGenericShift(4, Operand(reg), imm);
}
void X86Assembler::shll(Register operand, Register shifter) {
EmitGenericShift(4, Operand(operand), shifter);
}
void X86Assembler::shll(const Address& address, const Immediate& imm) {
EmitGenericShift(4, address, imm);
}
void X86Assembler::shll(const Address& address, Register shifter) {
EmitGenericShift(4, address, shifter);
}
void X86Assembler::shrl(Register reg, const Immediate& imm) {
EmitGenericShift(5, Operand(reg), imm);
}
void X86Assembler::shrl(Register operand, Register shifter) {
EmitGenericShift(5, Operand(operand), shifter);
}
void X86Assembler::shrl(const Address& address, const Immediate& imm) {
EmitGenericShift(5, address, imm);
}
void X86Assembler::shrl(const Address& address, Register shifter) {
EmitGenericShift(5, address, shifter);
}
void X86Assembler::sarl(Register reg, const Immediate& imm) {
EmitGenericShift(7, Operand(reg), imm);
}
void X86Assembler::sarl(Register operand, Register shifter) {
EmitGenericShift(7, Operand(operand), shifter);
}
void X86Assembler::sarl(const Address& address, const Immediate& imm) {
EmitGenericShift(7, address, imm);
}
void X86Assembler::sarl(const Address& address, Register shifter) {
EmitGenericShift(7, address, shifter);
}
void X86Assembler::shld(Register dst, Register src, Register shifter) {
DCHECK_EQ(ECX, shifter);
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xA5);
EmitRegisterOperand(src, dst);
}
void X86Assembler::shld(Register dst, Register src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xA4);
EmitRegisterOperand(src, dst);
EmitUint8(imm.value() & 0xFF);
}
void X86Assembler::shrd(Register dst, Register src, Register shifter) {
DCHECK_EQ(ECX, shifter);
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xAD);
EmitRegisterOperand(src, dst);
}
void X86Assembler::shrd(Register dst, Register src, const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xAC);
EmitRegisterOperand(src, dst);
EmitUint8(imm.value() & 0xFF);
}
void X86Assembler::roll(Register reg, const Immediate& imm) {
EmitGenericShift(0, Operand(reg), imm);
}
void X86Assembler::roll(Register operand, Register shifter) {
EmitGenericShift(0, Operand(operand), shifter);
}
void X86Assembler::rorl(Register reg, const Immediate& imm) {
EmitGenericShift(1, Operand(reg), imm);
}
void X86Assembler::rorl(Register operand, Register shifter) {
EmitGenericShift(1, Operand(operand), shifter);
}
void X86Assembler::negl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitOperand(3, Operand(reg));
}
void X86Assembler::notl(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF7);
EmitUint8(0xD0 | reg);
}
void X86Assembler::enter(const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC8);
CHECK(imm.is_uint16());
EmitUint8(imm.value() & 0xFF);
EmitUint8((imm.value() >> 8) & 0xFF);
EmitUint8(0x00);
}
void X86Assembler::leave() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC9);
}
void X86Assembler::ret() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC3);
}
void X86Assembler::ret(const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xC2);
CHECK(imm.is_uint16());
EmitUint8(imm.value() & 0xFF);
EmitUint8((imm.value() >> 8) & 0xFF);
}
void X86Assembler::nop() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x90);
}
void X86Assembler::int3() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xCC);
}
void X86Assembler::hlt() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF4);
}
void X86Assembler::j(Condition condition, Label* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (label->IsBound()) {
static const int kShortSize = 2;
static const int kLongSize = 6;
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
if (IsInt<8>(offset - kShortSize)) {
EmitUint8(0x70 + condition);
EmitUint8((offset - kShortSize) & 0xFF);
} else {
EmitUint8(0x0F);
EmitUint8(0x80 + condition);
EmitInt32(offset - kLongSize);
}
} else {
EmitUint8(0x0F);
EmitUint8(0x80 + condition);
EmitLabelLink(label);
}
}
void X86Assembler::j(Condition condition, NearLabel* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (label->IsBound()) {
static const int kShortSize = 2;
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
CHECK(IsInt<8>(offset - kShortSize));
EmitUint8(0x70 + condition);
EmitUint8((offset - kShortSize) & 0xFF);
} else {
EmitUint8(0x70 + condition);
EmitLabelLink(label);
}
}
void X86Assembler::jecxz(NearLabel* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (label->IsBound()) {
static const int kShortSize = 2;
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
CHECK(IsInt<8>(offset - kShortSize));
EmitUint8(0xE3);
EmitUint8((offset - kShortSize) & 0xFF);
} else {
EmitUint8(0xE3);
EmitLabelLink(label);
}
}
void X86Assembler::jmp(Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitRegisterOperand(4, reg);
}
void X86Assembler::jmp(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xFF);
EmitOperand(4, address);
}
void X86Assembler::jmp(Label* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (label->IsBound()) {
static const int kShortSize = 2;
static const int kLongSize = 5;
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
if (IsInt<8>(offset - kShortSize)) {
EmitUint8(0xEB);
EmitUint8((offset - kShortSize) & 0xFF);
} else {
EmitUint8(0xE9);
EmitInt32(offset - kLongSize);
}
} else {
EmitUint8(0xE9);
EmitLabelLink(label);
}
}
void X86Assembler::jmp(NearLabel* label) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
if (label->IsBound()) {
static const int kShortSize = 2;
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
CHECK(IsInt<8>(offset - kShortSize));
EmitUint8(0xEB);
EmitUint8((offset - kShortSize) & 0xFF);
} else {
EmitUint8(0xEB);
EmitLabelLink(label);
}
}
void X86Assembler::repne_scasb() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF2);
EmitUint8(0xAE);
}
void X86Assembler::repne_scasw() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0xF2);
EmitUint8(0xAF);
}
void X86Assembler::repe_cmpsb() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0xA6);
}
void X86Assembler::repe_cmpsw() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0xF3);
EmitUint8(0xA7);
}
void X86Assembler::repe_cmpsl() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0xA7);
}
void X86Assembler::rep_movsb() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0xA4);
}
void X86Assembler::rep_movsw() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x66);
EmitUint8(0xF3);
EmitUint8(0xA5);
}
void X86Assembler::rep_movsl() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF3);
EmitUint8(0xA5);
}
X86Assembler* X86Assembler::lock() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0xF0);
return this;
}
void X86Assembler::cmpxchgb(const Address& address, ByteRegister reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB0);
EmitOperand(reg, address);
}
void X86Assembler::cmpxchgw(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
EmitUint8(0x0F);
EmitUint8(0xB1);
EmitOperand(reg, address);
}
void X86Assembler::cmpxchgl(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xB1);
EmitOperand(reg, address);
}
void X86Assembler::cmpxchg8b(const Address& address) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC7);
EmitOperand(1, address);
}
void X86Assembler::xaddb(const Address& address, ByteRegister reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC0);
EmitOperand(reg, address);
}
void X86Assembler::xaddw(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitOperandSizeOverride();
EmitUint8(0x0F);
EmitUint8(0xC1);
EmitOperand(reg, address);
}
void X86Assembler::xaddl(const Address& address, Register reg) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xC1);
EmitOperand(reg, address);
}
void X86Assembler::mfence() {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x0F);
EmitUint8(0xAE);
EmitUint8(0xF0);
}
X86Assembler* X86Assembler::fs() {
// TODO: fs is a prefix and not an instruction
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x64);
return this;
}
X86Assembler* X86Assembler::gs() {
// TODO: fs is a prefix and not an instruction
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitUint8(0x65);
return this;
}
void X86Assembler::AddImmediate(Register reg, const Immediate& imm) {
int value = imm.value();
if (value > 0) {
if (value == 1) {
incl(reg);
} else if (value != 0) {
addl(reg, imm);
}
} else if (value < 0) {
value = -value;
if (value == 1) {
decl(reg);
} else if (value != 0) {
subl(reg, Immediate(value));
}
}
}
void X86Assembler::LoadLongConstant(XmmRegister dst, int64_t value) {
// TODO: Need to have a code constants table.
pushl(Immediate(High32Bits(value)));
pushl(Immediate(Low32Bits(value)));
movsd(dst, Address(ESP, 0));
addl(ESP, Immediate(2 * sizeof(int32_t)));
}
void X86Assembler::LoadDoubleConstant(XmmRegister dst, double value) {
// TODO: Need to have a code constants table.
int64_t constant = bit_cast<int64_t, double>(value);
LoadLongConstant(dst, constant);
}
void X86Assembler::Align(int alignment, int offset) {
CHECK(IsPowerOfTwo(alignment));
// Emit nop instruction until the real position is aligned.
while (((offset + buffer_.GetPosition()) & (alignment-1)) != 0) {
nop();
}
}
void X86Assembler::Bind(Label* label) {
int bound = buffer_.Size();
CHECK(!label->IsBound()); // Labels can only be bound once.
while (label->IsLinked()) {
int position = label->LinkPosition();
int next = buffer_.Load<int32_t>(position);
buffer_.Store<int32_t>(position, bound - (position + 4));
label->position_ = next;
}
label->BindTo(bound);
}
void X86Assembler::Bind(NearLabel* label) {
int bound = buffer_.Size();
CHECK(!label->IsBound()); // Labels can only be bound once.
while (label->IsLinked()) {
int position = label->LinkPosition();
uint8_t delta = buffer_.Load<uint8_t>(position);
int offset = bound - (position + 1);
CHECK(IsInt<8>(offset));
buffer_.Store<int8_t>(position, offset);
label->position_ = delta != 0u ? label->position_ - delta : 0;
}
label->BindTo(bound);
}
void X86Assembler::EmitOperand(int reg_or_opcode, const Operand& operand) {
CHECK_GE(reg_or_opcode, 0);
CHECK_LT(reg_or_opcode, 8);
const int length = operand.length_;
CHECK_GT(length, 0);
// Emit the ModRM byte updated with the given reg value.
CHECK_EQ(operand.encoding_[0] & 0x38, 0);
EmitUint8(operand.encoding_[0] + (reg_or_opcode << 3));
// Emit the rest of the encoded operand.
for (int i = 1; i < length; i++) {
EmitUint8(operand.encoding_[i]);
}
AssemblerFixup* fixup = operand.GetFixup();
if (fixup != nullptr) {
EmitFixup(fixup);
}
}
void X86Assembler::EmitImmediate(const Immediate& imm, bool is_16_op) {
if (is_16_op) {
EmitUint8(imm.value() & 0xFF);
EmitUint8(imm.value() >> 8);
} else {
EmitInt32(imm.value());
}
}
void X86Assembler::EmitComplex(int reg_or_opcode,
const Operand& operand,
const Immediate& immediate,
bool is_16_op) {
CHECK_GE(reg_or_opcode, 0);
CHECK_LT(reg_or_opcode, 8);
if (immediate.is_int8()) {
// Use sign-extended 8-bit immediate.
EmitUint8(0x83);
EmitOperand(reg_or_opcode, operand);
EmitUint8(immediate.value() & 0xFF);
} else if (operand.IsRegister(EAX)) {
// Use short form if the destination is eax.
EmitUint8(0x05 + (reg_or_opcode << 3));
EmitImmediate(immediate, is_16_op);
} else {
EmitUint8(0x81);
EmitOperand(reg_or_opcode, operand);
EmitImmediate(immediate, is_16_op);
}
}
void X86Assembler::EmitLabel(Label* label, int instruction_size) {
if (label->IsBound()) {
int offset = label->Position() - buffer_.Size();
CHECK_LE(offset, 0);
EmitInt32(offset - instruction_size);
} else {
EmitLabelLink(label);
}
}
void X86Assembler::EmitLabelLink(Label* label) {
CHECK(!label->IsBound());
int position = buffer_.Size();
EmitInt32(label->position_);
label->LinkTo(position);
}
void X86Assembler::EmitLabelLink(NearLabel* label) {
CHECK(!label->IsBound());
int position = buffer_.Size();
if (label->IsLinked()) {
// Save the delta in the byte that we have to play with.
uint32_t delta = position - label->LinkPosition();
CHECK(IsUint<8>(delta));
EmitUint8(delta & 0xFF);
} else {
EmitUint8(0);
}
label->LinkTo(position);
}
void X86Assembler::EmitGenericShift(int reg_or_opcode,
const Operand& operand,
const Immediate& imm) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
CHECK(imm.is_int8());
if (imm.value() == 1) {
EmitUint8(0xD1);
EmitOperand(reg_or_opcode, operand);
} else {
EmitUint8(0xC1);
EmitOperand(reg_or_opcode, operand);
EmitUint8(imm.value() & 0xFF);
}
}
void X86Assembler::EmitGenericShift(int reg_or_opcode,
const Operand& operand,
Register shifter) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
CHECK_EQ(shifter, ECX);
EmitUint8(0xD3);
EmitOperand(reg_or_opcode, operand);
}
void X86Assembler::AddConstantArea() {
ArrayRef<const int32_t> area = constant_area_.GetBuffer();
// Generate the data for the literal area.
for (size_t i = 0, e = area.size(); i < e; i++) {
AssemblerBuffer::EnsureCapacity ensured(&buffer_);
EmitInt32(area[i]);
}
}
size_t ConstantArea::AppendInt32(int32_t v) {
size_t result = buffer_.size() * elem_size_;
buffer_.push_back(v);
return result;
}
size_t ConstantArea::AddInt32(int32_t v) {
for (size_t i = 0, e = buffer_.size(); i < e; i++) {
if (v == buffer_[i]) {
return i * elem_size_;
}
}
// Didn't match anything.
return AppendInt32(v);
}
size_t ConstantArea::AddInt64(int64_t v) {
int32_t v_low = Low32Bits(v);
int32_t v_high = High32Bits(v);
if (buffer_.size() > 1) {
// Ensure we don't pass the end of the buffer.
for (size_t i = 0, e = buffer_.size() - 1; i < e; i++) {
if (v_low == buffer_[i] && v_high == buffer_[i + 1]) {
return i * elem_size_;
}
}
}
// Didn't match anything.
size_t result = buffer_.size() * elem_size_;
buffer_.push_back(v_low);
buffer_.push_back(v_high);
return result;
}
size_t ConstantArea::AddDouble(double v) {
// Treat the value as a 64-bit integer value.
return AddInt64(bit_cast<int64_t, double>(v));
}
size_t ConstantArea::AddFloat(float v) {
// Treat the value as a 32-bit integer value.
return AddInt32(bit_cast<int32_t, float>(v));
}
uint8_t X86Assembler::EmitVexPrefixByteZero(bool is_twobyte_form) {
/**Vex Byte 0,
Bits [7:0] must contain the value 11000101b (0xC5) for 2-byte Vex
Bits [7:0] must contain the value 11000100b (0xC4) for 3-byte Vex */
uint8_t vex_prefix = 0xC0;
if (is_twobyte_form) {
// 2-Byte Vex
vex_prefix |= TWO_BYTE_VEX;
} else {
// 3-Byte Vex
vex_prefix |= THREE_BYTE_VEX;
}
return vex_prefix;
}
uint8_t X86Assembler::EmitVexPrefixByteOne(bool R,
bool X,
bool B,
int SET_VEX_M) {
/**Vex Byte 1, */
uint8_t vex_prefix = VEX_INIT;
/** Bit[7] This bit needs to be set to '1'
otherwise the instruction is LES or LDS */
if (!R) {
// R .
vex_prefix |= SET_VEX_R;
}
/** Bit[6] This bit needs to be set to '1'
otherwise the instruction is LES or LDS */
if (!X) {
// X .
vex_prefix |= SET_VEX_X;
}
/** Bit[5] This bit needs to be set to '1' */
if (!B) {
// B .
vex_prefix |= SET_VEX_B;
}
/** Bits[4:0], */
vex_prefix |= SET_VEX_M;
return vex_prefix;
}
uint8_t X86Assembler::EmitVexPrefixByteOne(bool R,
X86ManagedRegister operand,
int SET_VEX_L,
int SET_VEX_PP) {
/**Vex Byte 1, */
uint8_t vex_prefix = VEX_INIT;
/** Bit[7] This bit needs to be set to '1'
otherwise the instruction is LES or LDS */
if (!R) {
// R .
vex_prefix |= SET_VEX_R;
}
/**Bits[6:3] - 'vvvv' the source or dest register specifier */
if (operand.IsNoRegister()) {
vex_prefix |= 0x78;
} else if (operand.IsXmmRegister()) {
XmmRegister vvvv = operand.AsXmmRegister();
int inverted_reg = 15 - static_cast<int>(vvvv);
uint8_t reg = static_cast<uint8_t>(inverted_reg);
vex_prefix |= ((reg & 0x0F) << 3);
} else if (operand.IsCpuRegister()) {
Register vvvv = operand.AsCpuRegister();
int inverted_reg = 15 - static_cast<int>(vvvv);
uint8_t reg = static_cast<uint8_t>(inverted_reg);
vex_prefix |= ((reg & 0x0F) << 3);
}
/** Bit[2] - "L" If VEX.L = 1 indicates 256-bit vector operation ,
VEX.L = 0 indicates 128 bit vector operation */
vex_prefix |= SET_VEX_L;
/** Bits[1:0] - "pp" */
vex_prefix |= SET_VEX_PP;
return vex_prefix;
}
uint8_t X86Assembler::EmitVexPrefixByteTwo(bool W,
X86ManagedRegister operand,
int SET_VEX_L,
int SET_VEX_PP) {
/** Vex Byte 2, */
uint8_t vex_prefix = VEX_INIT;
/** Bit[7] This bits needs to be set to '1' with default value.
When using C4H form of VEX prefix, W value is ignored */
if (W) {
vex_prefix |= SET_VEX_W;
}
/** Bits[6:3] - 'vvvv' the source or dest register specifier */
if (operand.IsXmmRegister()) {
XmmRegister vvvv = operand.AsXmmRegister();
int inverted_reg = 15 - static_cast<int>(vvvv);
uint8_t reg = static_cast<uint8_t>(inverted_reg);
vex_prefix |= ((reg & 0x0F) << 3);
} else if (operand.IsCpuRegister()) {
Register vvvv = operand.AsCpuRegister();
int inverted_reg = 15 - static_cast<int>(vvvv);
uint8_t reg = static_cast<uint8_t>(inverted_reg);
vex_prefix |= ((reg & 0x0F) << 3);
}
/** Bit[2] - "L" If VEX.L = 1 indicates 256-bit vector operation ,
VEX.L = 0 indicates 128 bit vector operation */
vex_prefix |= SET_VEX_L;
// Bits[1:0] - "pp"
vex_prefix |= SET_VEX_PP;
return vex_prefix;
}
uint8_t X86Assembler::EmitVexPrefixByteTwo(bool W,
int SET_VEX_L,
int SET_VEX_PP) {
/**Vex Byte 2, */
uint8_t vex_prefix = VEX_INIT;
/** Bit[7] This bits needs to be set to '1' with default value.
When using C4H form of VEX prefix, W value is ignored */
if (W) {
vex_prefix |= SET_VEX_W;
}
/** Bits[6:3] - 'vvvv' the source or dest register specifier,
if unused set 1111 */
vex_prefix |= (0x0F << 3);
/** Bit[2] - "L" If VEX.L = 1 indicates 256-bit vector operation ,
VEX.L = 0 indicates 128 bit vector operation */
vex_prefix |= SET_VEX_L;
/** Bits[1:0] - "pp" */
if (SET_VEX_PP != SET_VEX_PP_NONE) {
vex_prefix |= SET_VEX_PP;
}
return vex_prefix;
}
} // namespace x86
} // namespace art