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Unified Diff: src/assembler_ia32.cpp

Issue 1179563004: Renames the assembler* files. (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-subzero.git@master
Patch Set: Changes the top comment for IceAssemblerX8632.cpp Created 5 years, 6 months ago
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Index: src/assembler_ia32.cpp
diff --git a/src/assembler_ia32.cpp b/src/assembler_ia32.cpp
deleted file mode 100644
index edfbc3ebf44e17e0033c8850bb1a3665bfd49ca5..0000000000000000000000000000000000000000
--- a/src/assembler_ia32.cpp
+++ /dev/null
@@ -1,2609 +0,0 @@
-//===- subzero/src/assembler_ia32.cpp - Assembler for x86-32 -------------===//
-// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-//
-// Modified by the Subzero authors.
-//
-//===----------------------------------------------------------------------===//
-//
-// The Subzero Code Generator
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the Assembler class for x86-32.
-//
-//===----------------------------------------------------------------------===//
-
-#include "assembler_ia32.h"
-#include "IceCfg.h"
-#include "IceOperand.h"
-
-namespace Ice {
-namespace X8632 {
-
-Address Address::ofConstPool(Assembler *Asm, const Constant *Imm) {
- AssemblerFixup *Fixup = Asm->createFixup(llvm::ELF::R_386_32, Imm);
- const RelocOffsetT Offset = 0;
- return Address::Absolute(Offset, Fixup);
-}
-
-AssemblerX8632::~AssemblerX8632() {
-#ifndef NDEBUG
- for (const Label *Label : CfgNodeLabels) {
- Label->FinalCheck();
- }
- for (const Label *Label : LocalLabels) {
- Label->FinalCheck();
- }
-#endif
-}
-
-void AssemblerX8632::alignFunction() {
- SizeT Align = 1 << getBundleAlignLog2Bytes();
- SizeT BytesNeeded = Utils::OffsetToAlignment(buffer_.GetPosition(), Align);
- const SizeT HltSize = 1;
- while (BytesNeeded > 0) {
- hlt();
- BytesNeeded -= HltSize;
- }
-}
-
-Label *AssemblerX8632::GetOrCreateLabel(SizeT Number, LabelVector &Labels) {
- Label *L = nullptr;
- if (Number == Labels.size()) {
- L = new (this->Allocate<Label>()) Label();
- Labels.push_back(L);
- return L;
- }
- if (Number > Labels.size()) {
- Labels.resize(Number + 1);
- }
- L = Labels[Number];
- if (!L) {
- L = new (this->Allocate<Label>()) Label();
- Labels[Number] = L;
- }
- return L;
-}
-
-Label *AssemblerX8632::GetOrCreateCfgNodeLabel(SizeT NodeNumber) {
- return GetOrCreateLabel(NodeNumber, CfgNodeLabels);
-}
-
-Label *AssemblerX8632::GetOrCreateLocalLabel(SizeT Number) {
- return GetOrCreateLabel(Number, LocalLabels);
-}
-
-void AssemblerX8632::BindCfgNodeLabel(SizeT NodeNumber) {
- assert(!getPreliminary());
- Label *L = GetOrCreateCfgNodeLabel(NodeNumber);
- this->Bind(L);
-}
-
-void AssemblerX8632::BindLocalLabel(SizeT Number) {
- Label *L = GetOrCreateLocalLabel(Number);
- if (!getPreliminary())
- this->Bind(L);
-}
-
-void AssemblerX8632::call(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xFF);
- EmitRegisterOperand(2, reg);
-}
-
-void AssemblerX8632::call(const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xFF);
- EmitOperand(2, address);
-}
-
-void AssemblerX8632::call(const ConstantRelocatable *label) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- intptr_t call_start = buffer_.GetPosition();
- EmitUint8(0xE8);
- EmitFixup(this->createFixup(llvm::ELF::R_386_PC32, label));
- EmitInt32(-4);
- assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize);
- (void)call_start;
-}
-
-void AssemblerX8632::call(const Immediate &abs_address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- intptr_t call_start = buffer_.GetPosition();
- EmitUint8(0xE8);
- EmitFixup(
- this->createFixup(llvm::ELF::R_386_PC32, AssemblerFixup::NullSymbol));
- EmitInt32(abs_address.value() - 4);
- assert((buffer_.GetPosition() - call_start) == kCallExternalLabelSize);
- (void)call_start;
-}
-
-void AssemblerX8632::pushl(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x50 + reg);
-}
-
-void AssemblerX8632::popl(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x58 + reg);
-}
-
-void AssemblerX8632::popl(const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x8F);
- EmitOperand(0, address);
-}
-
-void AssemblerX8632::pushal() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x60);
-}
-
-void AssemblerX8632::popal() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x61);
-}
-
-void AssemblerX8632::setcc(CondX86::BrCond condition, ByteRegister dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x90 + condition);
- EmitUint8(0xC0 + dst);
-}
-
-void AssemblerX8632::setcc(CondX86::BrCond condition, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x90 + condition);
- EmitOperand(0, address);
-}
-
-void AssemblerX8632::mov(Type Ty, GPRRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitUint8(0xB0 + dst);
- EmitUint8(imm.value() & 0xFF);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0xB8 + dst);
- EmitImmediate(Ty, imm);
-}
-
-void AssemblerX8632::mov(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty)) {
- EmitUint8(0x88);
- } else {
- EmitUint8(0x89);
- }
- EmitRegisterOperand(src, dst);
-}
-
-void AssemblerX8632::mov(Type Ty, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty)) {
- EmitUint8(0x8A);
- } else {
- EmitUint8(0x8B);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::mov(Type Ty, const Address &dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty)) {
- EmitUint8(0x88);
- } else {
- EmitUint8(0x89);
- }
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::mov(Type Ty, const Address &dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty)) {
- EmitUint8(0xC6);
- EmitOperand(0, dst);
- EmitUint8(imm.value() & 0xFF);
- } else {
- EmitUint8(0xC7);
- EmitOperand(0, dst);
- EmitImmediate(Ty, imm);
- }
-}
-
-void AssemblerX8632::movzx(Type SrcTy, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- bool ByteSized = isByteSizedType(SrcTy);
- assert(ByteSized || SrcTy == IceType_i16);
- EmitUint8(0x0F);
- EmitUint8(ByteSized ? 0xB6 : 0xB7);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movzx(Type SrcTy, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- bool ByteSized = isByteSizedType(SrcTy);
- assert(ByteSized || SrcTy == IceType_i16);
- EmitUint8(0x0F);
- EmitUint8(ByteSized ? 0xB6 : 0xB7);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::movsx(Type SrcTy, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- bool ByteSized = isByteSizedType(SrcTy);
- assert(ByteSized || SrcTy == IceType_i16);
- EmitUint8(0x0F);
- EmitUint8(ByteSized ? 0xBE : 0xBF);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movsx(Type SrcTy, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- bool ByteSized = isByteSizedType(SrcTy);
- assert(ByteSized || SrcTy == IceType_i16);
- EmitUint8(0x0F);
- EmitUint8(ByteSized ? 0xBE : 0xBF);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::lea(Type Ty, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x8D);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cmov(Type Ty, CondX86::BrCond cond, GPRRegister dst,
- GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- else
- assert(Ty == IceType_i32);
- EmitUint8(0x0F);
- EmitUint8(0x40 + cond);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cmov(Type Ty, CondX86::BrCond cond, GPRRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- else
- assert(Ty == IceType_i32);
- EmitUint8(0x0F);
- EmitUint8(0x40 + cond);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::rep_movsb() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF3);
- EmitUint8(0xA4);
-}
-
-void AssemblerX8632::movss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x10);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::movss(Type Ty, const Address &dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x11);
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::movss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x11);
- EmitXmmRegisterOperand(src, dst);
-}
-
-void AssemblerX8632::movd(XmmRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x6E);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movd(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x6E);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::movd(GPRRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x7E);
- EmitRegisterOperand(src, dst);
-}
-
-void AssemblerX8632::movd(const Address &dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x7E);
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::movq(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF3);
- EmitUint8(0x0F);
- EmitUint8(0x7E);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movq(const Address &dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xD6);
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::movq(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF3);
- EmitUint8(0x0F);
- EmitUint8(0x7E);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::addss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x58);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::addss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x58);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::subss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5C);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::subss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5C);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::mulss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x59);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::mulss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x59);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::divss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5E);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::divss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5E);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::fld(Type Ty, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xD9 : 0xDD);
- EmitOperand(0, src);
-}
-
-void AssemblerX8632::fstp(Type Ty, const Address &dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xD9 : 0xDD);
- EmitOperand(3, dst);
-}
-
-void AssemblerX8632::fstp(X87STRegister st) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xDD);
- EmitUint8(0xD8 + st);
-}
-
-void AssemblerX8632::movaps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x28);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movups(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x10);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movups(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x10);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::movups(const Address &dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x11);
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::padd(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0xFC);
- } else if (Ty == IceType_i16) {
- EmitUint8(0xFD);
- } else {
- EmitUint8(0xFE);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::padd(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0xFC);
- } else if (Ty == IceType_i16) {
- EmitUint8(0xFD);
- } else {
- EmitUint8(0xFE);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pand(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xDB);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pand(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xDB);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pandn(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xDF);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pandn(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xDF);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pmull(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xD5);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0x38);
- EmitUint8(0x40);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pmull(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xD5);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0x38);
- EmitUint8(0x40);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pmuludq(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xF4);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pmuludq(Type /* Ty */, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xF4);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::por(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xEB);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::por(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xEB);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::psub(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0xF8);
- } else if (Ty == IceType_i16) {
- EmitUint8(0xF9);
- } else {
- EmitUint8(0xFA);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::psub(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0xF8);
- } else if (Ty == IceType_i16) {
- EmitUint8(0xF9);
- } else {
- EmitUint8(0xFA);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pxor(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xEF);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pxor(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xEF);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::psll(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xF1);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0xF2);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::psll(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xF1);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0xF2);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::psll(Type Ty, XmmRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_int8());
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0x71);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0x72);
- }
- EmitRegisterOperand(6, dst);
- EmitUint8(imm.value() & 0xFF);
-}
-
-void AssemblerX8632::psra(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xE1);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0xE2);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::psra(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xE1);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0xE2);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::psra(Type Ty, XmmRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_int8());
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0x71);
- } else {
- assert(Ty == IceType_i32);
- EmitUint8(0x72);
- }
- EmitRegisterOperand(4, dst);
- EmitUint8(imm.value() & 0xFF);
-}
-
-void AssemblerX8632::psrl(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xD1);
- } else if (Ty == IceType_f64) {
- EmitUint8(0xD3);
- } else {
- assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32);
- EmitUint8(0xD2);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::psrl(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0xD1);
- } else if (Ty == IceType_f64) {
- EmitUint8(0xD3);
- } else {
- assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32);
- EmitUint8(0xD2);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::psrl(Type Ty, XmmRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_int8());
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (Ty == IceType_i16) {
- EmitUint8(0x71);
- } else if (Ty == IceType_f64) {
- EmitUint8(0x73);
- } else {
- assert(Ty == IceType_i32 || Ty == IceType_f32 || Ty == IceType_v4f32);
- EmitUint8(0x72);
- }
- EmitRegisterOperand(2, dst);
- EmitUint8(imm.value() & 0xFF);
-}
-
-// {add,sub,mul,div}ps are given a Ty parameter for consistency with
-// {add,sub,mul,div}ss. In the future, when the PNaCl ABI allows
-// addpd, etc., we can use the Ty parameter to decide on adding
-// a 0x66 prefix.
-void AssemblerX8632::addps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x58);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::addps(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x58);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::subps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5C);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::subps(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5C);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::divps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5E);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::divps(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5E);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::mulps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x59);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::mulps(Type /* Ty */, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x59);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::minps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5D);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::maxps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5F);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::andps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x54);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::andps(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x54);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::orps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x56);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::blendvps(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x38);
- EmitUint8(0x14);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::blendvps(Type /* Ty */, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x38);
- EmitUint8(0x14);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pblendvb(Type /* Ty */, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x38);
- EmitUint8(0x10);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pblendvb(Type /* Ty */, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x38);
- EmitUint8(0x10);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cmpps(XmmRegister dst, XmmRegister src,
- CondX86::CmppsCond CmpCondition) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xC2);
- EmitXmmRegisterOperand(dst, src);
- EmitUint8(CmpCondition);
-}
-
-void AssemblerX8632::cmpps(XmmRegister dst, const Address &src,
- CondX86::CmppsCond CmpCondition) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xC2);
- EmitOperand(dst, src);
- EmitUint8(CmpCondition);
-}
-
-void AssemblerX8632::sqrtps(XmmRegister dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x51);
- EmitXmmRegisterOperand(dst, dst);
-}
-
-void AssemblerX8632::rsqrtps(XmmRegister dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x52);
- EmitXmmRegisterOperand(dst, dst);
-}
-
-void AssemblerX8632::reciprocalps(XmmRegister dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x53);
- EmitXmmRegisterOperand(dst, dst);
-}
-
-void AssemblerX8632::movhlps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x12);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movlhps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x16);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::unpcklps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x14);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::unpckhps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x15);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::unpcklpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x14);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::unpckhpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x15);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::set1ps(XmmRegister dst, GPRRegister tmp1,
- const Immediate &imm) {
- // Load 32-bit immediate value into tmp1.
- mov(IceType_i32, tmp1, imm);
- // Move value from tmp1 into dst.
- movd(dst, tmp1);
- // Broadcast low lane into other three lanes.
- shufps(dst, dst, Immediate(0x0));
-}
-
-void AssemblerX8632::shufps(XmmRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xC6);
- EmitXmmRegisterOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::pshufd(Type /* Ty */, XmmRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x70);
- EmitXmmRegisterOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::pshufd(Type /* Ty */, XmmRegister dst, const Address &src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x70);
- EmitOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::shufps(Type /* Ty */, XmmRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xC6);
- EmitXmmRegisterOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::shufps(Type /* Ty */, XmmRegister dst, const Address &src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xC6);
- EmitOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::minpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x5D);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::maxpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x5F);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::sqrtpd(XmmRegister dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x51);
- EmitXmmRegisterOperand(dst, dst);
-}
-
-void AssemblerX8632::shufpd(XmmRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xC6);
- EmitXmmRegisterOperand(dst, src);
- assert(imm.is_uint8());
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::cvtdq2ps(Type /* Ignore */, XmmRegister dst,
- XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5B);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cvtdq2ps(Type /* Ignore */, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x5B);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cvttps2dq(Type /* Ignore */, XmmRegister dst,
- XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF3);
- EmitUint8(0x0F);
- EmitUint8(0x5B);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cvttps2dq(Type /* Ignore */, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF3);
- EmitUint8(0x0F);
- EmitUint8(0x5B);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cvtsi2ss(Type DestTy, XmmRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(DestTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x2A);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cvtsi2ss(Type DestTy, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(DestTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x2A);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cvtfloat2float(Type SrcTy, XmmRegister dst,
- XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- // ss2sd or sd2ss
- EmitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5A);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cvtfloat2float(Type SrcTy, XmmRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x5A);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::cvttss2si(Type SrcTy, GPRRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x2C);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::cvttss2si(Type SrcTy, GPRRegister dst,
- const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(SrcTy) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x2C);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::ucomiss(Type Ty, XmmRegister a, XmmRegister b) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_f64)
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x2E);
- EmitXmmRegisterOperand(a, b);
-}
-
-void AssemblerX8632::ucomiss(Type Ty, XmmRegister a, const Address &b) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_f64)
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x2E);
- EmitOperand(a, b);
-}
-
-void AssemblerX8632::movmskpd(GPRRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x50);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::movmskps(GPRRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x50);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::sqrtss(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x51);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::sqrtss(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(isFloat32Asserting32Or64(Ty) ? 0xF3 : 0xF2);
- EmitUint8(0x0F);
- EmitUint8(0x51);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::xorpd(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x57);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::xorpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x57);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::orpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x56);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::xorps(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x57);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::xorps(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x57);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::andpd(XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x54);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::andpd(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x54);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::insertps(Type Ty, XmmRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_uint8());
- assert(isVectorFloatingType(Ty));
- (void)Ty;
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(0x21);
- EmitXmmRegisterOperand(dst, src);
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::insertps(Type Ty, XmmRegister dst, const Address &src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_uint8());
- assert(isVectorFloatingType(Ty));
- (void)Ty;
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(0x21);
- EmitOperand(dst, src);
- EmitUint8(imm.value());
-}
-
-void AssemblerX8632::pinsr(Type Ty, XmmRegister dst, GPRRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_uint8());
- if (Ty == IceType_i16) {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xC4);
- EmitXmmRegisterOperand(dst, XmmRegister(src));
- EmitUint8(imm.value());
- } else {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(isByteSizedType(Ty) ? 0x20 : 0x22);
- EmitXmmRegisterOperand(dst, XmmRegister(src));
- EmitUint8(imm.value());
- }
-}
-
-void AssemblerX8632::pinsr(Type Ty, XmmRegister dst, const Address &src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_uint8());
- if (Ty == IceType_i16) {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xC4);
- EmitOperand(dst, src);
- EmitUint8(imm.value());
- } else {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(isByteSizedType(Ty) ? 0x20 : 0x22);
- EmitOperand(dst, src);
- EmitUint8(imm.value());
- }
-}
-
-void AssemblerX8632::pextr(Type Ty, GPRRegister dst, XmmRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_uint8());
- if (Ty == IceType_i16) {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0xC5);
- EmitXmmRegisterOperand(XmmRegister(dst), src);
- EmitUint8(imm.value());
- } else {
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(isByteSizedType(Ty) ? 0x14 : 0x16);
- // SSE 4.1 versions are "MRI" because dst can be mem, while
- // pextrw (SSE2) is RMI because dst must be reg.
- EmitXmmRegisterOperand(src, XmmRegister(dst));
- EmitUint8(imm.value());
- }
-}
-
-void AssemblerX8632::pmovsxdq(XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x38);
- EmitUint8(0x25);
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pcmpeq(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0x74);
- } else if (Ty == IceType_i16) {
- EmitUint8(0x75);
- } else {
- EmitUint8(0x76);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pcmpeq(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0x74);
- } else if (Ty == IceType_i16) {
- EmitUint8(0x75);
- } else {
- EmitUint8(0x76);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::pcmpgt(Type Ty, XmmRegister dst, XmmRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0x64);
- } else if (Ty == IceType_i16) {
- EmitUint8(0x65);
- } else {
- EmitUint8(0x66);
- }
- EmitXmmRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::pcmpgt(Type Ty, XmmRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty)) {
- EmitUint8(0x64);
- } else if (Ty == IceType_i16) {
- EmitUint8(0x65);
- } else {
- EmitUint8(0x66);
- }
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::roundsd(XmmRegister dst, XmmRegister src,
- RoundingMode mode) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x3A);
- EmitUint8(0x0B);
- EmitXmmRegisterOperand(dst, src);
- // Mask precision exeption.
- EmitUint8(static_cast<uint8_t>(mode) | 0x8);
-}
-
-void AssemblerX8632::fnstcw(const Address &dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xD9);
- EmitOperand(7, dst);
-}
-
-void AssemblerX8632::fldcw(const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xD9);
- EmitOperand(5, src);
-}
-
-void AssemblerX8632::fistpl(const Address &dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xDF);
- EmitOperand(7, dst);
-}
-
-void AssemblerX8632::fistps(const Address &dst) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xDB);
- EmitOperand(3, dst);
-}
-
-void AssemblerX8632::fildl(const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xDF);
- EmitOperand(5, src);
-}
-
-void AssemblerX8632::filds(const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xDB);
- EmitOperand(0, src);
-}
-
-void AssemblerX8632::fincstp() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xD9);
- EmitUint8(0xF7);
-}
-
-void AssemblerX8632::cmp(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitComplexI8(7, Operand(reg), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 7, Operand(reg), imm);
-}
-
-void AssemblerX8632::cmp(Type Ty, GPRRegister reg0, GPRRegister reg1) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x3A);
- else
- EmitUint8(0x3B);
- EmitRegisterOperand(reg0, reg1);
-}
-
-void AssemblerX8632::cmp(Type Ty, GPRRegister reg, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x3A);
- else
- EmitUint8(0x3B);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::cmp(Type Ty, const Address &address, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x38);
- else
- EmitUint8(0x39);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::cmp(Type Ty, const Address &address,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitComplexI8(7, address, imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 7, address, imm);
-}
-
-void AssemblerX8632::test(Type Ty, GPRRegister reg1, GPRRegister reg2) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x84);
- else
- EmitUint8(0x85);
- EmitRegisterOperand(reg1, reg2);
-}
-
-void AssemblerX8632::test(Type Ty, const Address &addr, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x84);
- else
- EmitUint8(0x85);
- EmitOperand(reg, addr);
-}
-
-void AssemblerX8632::test(Type Ty, GPRRegister 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.
- // This is legal even if the register had high bits set since
- // this only sets flags registers based on the "AND" of the two operands,
- // and the immediate had zeros at those high bits.
- if (immediate.is_uint8() && reg < 4) {
- // Use zero-extended 8-bit immediate.
- if (reg == RegX8632::Encoded_Reg_eax) {
- EmitUint8(0xA8);
- } else {
- EmitUint8(0xF6);
- EmitUint8(0xC0 + reg);
- }
- EmitUint8(immediate.value() & 0xFF);
- } else if (reg == RegX8632::Encoded_Reg_eax) {
- // Use short form if the destination is EAX.
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0xA9);
- EmitImmediate(Ty, immediate);
- } else {
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0xF7);
- EmitRegisterOperand(0, reg);
- EmitImmediate(Ty, immediate);
- }
-}
-
-void AssemblerX8632::test(Type Ty, const Address &addr,
- const Immediate &immediate) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- // If the immediate is short, we only test the byte addr to keep the
- // encoding short.
- if (immediate.is_uint8()) {
- // Use zero-extended 8-bit immediate.
- EmitUint8(0xF6);
- EmitOperand(0, addr);
- EmitUint8(immediate.value() & 0xFF);
- } else {
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0xF7);
- EmitOperand(0, addr);
- EmitImmediate(Ty, immediate);
- }
-}
-
-void AssemblerX8632::And(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x22);
- else
- EmitUint8(0x23);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::And(Type Ty, GPRRegister dst, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x22);
- else
- EmitUint8(0x23);
- EmitOperand(dst, address);
-}
-
-void AssemblerX8632::And(Type Ty, GPRRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitComplexI8(4, Operand(dst), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 4, Operand(dst), imm);
-}
-
-void AssemblerX8632::Or(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x0A);
- else
- EmitUint8(0x0B);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::Or(Type Ty, GPRRegister dst, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x0A);
- else
- EmitUint8(0x0B);
- EmitOperand(dst, address);
-}
-
-void AssemblerX8632::Or(Type Ty, GPRRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitComplexI8(1, Operand(dst), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 1, Operand(dst), imm);
-}
-
-void AssemblerX8632::Xor(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x32);
- else
- EmitUint8(0x33);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::Xor(Type Ty, GPRRegister dst, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedType(Ty))
- EmitUint8(0x32);
- else
- EmitUint8(0x33);
- EmitOperand(dst, address);
-}
-
-void AssemblerX8632::Xor(Type Ty, GPRRegister dst, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedType(Ty)) {
- EmitComplexI8(6, Operand(dst), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 6, Operand(dst), imm);
-}
-
-void AssemblerX8632::add(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x02);
- else
- EmitUint8(0x03);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::add(Type Ty, GPRRegister reg, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x02);
- else
- EmitUint8(0x03);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::add(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedArithType(Ty)) {
- EmitComplexI8(0, Operand(reg), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 0, Operand(reg), imm);
-}
-
-void AssemblerX8632::adc(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x12);
- else
- EmitUint8(0x13);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::adc(Type Ty, GPRRegister dst, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x12);
- else
- EmitUint8(0x13);
- EmitOperand(dst, address);
-}
-
-void AssemblerX8632::adc(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedArithType(Ty)) {
- EmitComplexI8(2, Operand(reg), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 2, Operand(reg), imm);
-}
-
-void AssemblerX8632::sub(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x2A);
- else
- EmitUint8(0x2B);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::sub(Type Ty, GPRRegister reg, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x2A);
- else
- EmitUint8(0x2B);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::sub(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedArithType(Ty)) {
- EmitComplexI8(5, Operand(reg), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 5, Operand(reg), imm);
-}
-
-void AssemblerX8632::sbb(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x1A);
- else
- EmitUint8(0x1B);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::sbb(Type Ty, GPRRegister dst, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x1A);
- else
- EmitUint8(0x1B);
- EmitOperand(dst, address);
-}
-
-void AssemblerX8632::sbb(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (isByteSizedArithType(Ty)) {
- EmitComplexI8(3, Operand(reg), imm);
- return;
- }
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitComplex(Ty, 3, Operand(reg), imm);
-}
-
-void AssemblerX8632::cbw() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitOperandSizeOverride();
- EmitUint8(0x98);
-}
-
-void AssemblerX8632::cwd() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitOperandSizeOverride();
- EmitUint8(0x99);
-}
-
-void AssemblerX8632::cdq() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x99);
-}
-
-void AssemblerX8632::div(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitRegisterOperand(6, reg);
-}
-
-void AssemblerX8632::div(Type Ty, const Address &addr) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitOperand(6, addr);
-}
-
-void AssemblerX8632::idiv(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitRegisterOperand(7, reg);
-}
-
-void AssemblerX8632::idiv(Type Ty, const Address &addr) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitOperand(7, addr);
-}
-
-void AssemblerX8632::imul(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xAF);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::imul(Type Ty, GPRRegister reg, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xAF);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::imul(Type Ty, GPRRegister reg, const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (imm.is_int8()) {
- EmitUint8(0x6B);
- EmitRegisterOperand(reg, reg);
- EmitUint8(imm.value() & 0xFF);
- } else {
- EmitUint8(0x69);
- EmitRegisterOperand(reg, reg);
- EmitImmediate(Ty, imm);
- }
-}
-
-void AssemblerX8632::imul(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitRegisterOperand(5, reg);
-}
-
-void AssemblerX8632::imul(Type Ty, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitOperand(5, address);
-}
-
-void AssemblerX8632::mul(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitRegisterOperand(4, reg);
-}
-
-void AssemblerX8632::mul(Type Ty, const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitOperand(4, address);
-}
-
-void AssemblerX8632::incl(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x40 + reg);
-}
-
-void AssemblerX8632::incl(const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xFF);
- EmitOperand(0, address);
-}
-
-void AssemblerX8632::decl(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x48 + reg);
-}
-
-void AssemblerX8632::decl(const Address &address) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xFF);
- EmitOperand(1, address);
-}
-
-void AssemblerX8632::rol(Type Ty, GPRRegister reg, const Immediate &imm) {
- EmitGenericShift(0, Ty, reg, imm);
-}
-
-void AssemblerX8632::rol(Type Ty, GPRRegister operand, GPRRegister shifter) {
- EmitGenericShift(0, Ty, Operand(operand), shifter);
-}
-
-void AssemblerX8632::rol(Type Ty, const Address &operand, GPRRegister shifter) {
- EmitGenericShift(0, Ty, operand, shifter);
-}
-
-void AssemblerX8632::shl(Type Ty, GPRRegister reg, const Immediate &imm) {
- EmitGenericShift(4, Ty, reg, imm);
-}
-
-void AssemblerX8632::shl(Type Ty, GPRRegister operand, GPRRegister shifter) {
- EmitGenericShift(4, Ty, Operand(operand), shifter);
-}
-
-void AssemblerX8632::shl(Type Ty, const Address &operand, GPRRegister shifter) {
- EmitGenericShift(4, Ty, operand, shifter);
-}
-
-void AssemblerX8632::shr(Type Ty, GPRRegister reg, const Immediate &imm) {
- EmitGenericShift(5, Ty, reg, imm);
-}
-
-void AssemblerX8632::shr(Type Ty, GPRRegister operand, GPRRegister shifter) {
- EmitGenericShift(5, Ty, Operand(operand), shifter);
-}
-
-void AssemblerX8632::shr(Type Ty, const Address &operand, GPRRegister shifter) {
- EmitGenericShift(5, Ty, operand, shifter);
-}
-
-void AssemblerX8632::sar(Type Ty, GPRRegister reg, const Immediate &imm) {
- EmitGenericShift(7, Ty, reg, imm);
-}
-
-void AssemblerX8632::sar(Type Ty, GPRRegister operand, GPRRegister shifter) {
- EmitGenericShift(7, Ty, Operand(operand), shifter);
-}
-
-void AssemblerX8632::sar(Type Ty, const Address &address, GPRRegister shifter) {
- EmitGenericShift(7, Ty, address, shifter);
-}
-
-void AssemblerX8632::shld(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xA5);
- EmitRegisterOperand(src, dst);
-}
-
-void AssemblerX8632::shld(Type Ty, GPRRegister dst, GPRRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- assert(imm.is_int8());
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xA4);
- EmitRegisterOperand(src, dst);
- EmitUint8(imm.value() & 0xFF);
-}
-
-void AssemblerX8632::shld(Type Ty, const Address &operand, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xA5);
- EmitOperand(src, operand);
-}
-
-void AssemblerX8632::shrd(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xAD);
- EmitRegisterOperand(src, dst);
-}
-
-void AssemblerX8632::shrd(Type Ty, GPRRegister dst, GPRRegister src,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- assert(imm.is_int8());
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xAC);
- EmitRegisterOperand(src, dst);
- EmitUint8(imm.value() & 0xFF);
-}
-
-void AssemblerX8632::shrd(Type Ty, const Address &dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xAD);
- EmitOperand(src, dst);
-}
-
-void AssemblerX8632::neg(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitRegisterOperand(3, reg);
-}
-
-void AssemblerX8632::neg(Type Ty, const Address &addr) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0xF6);
- else
- EmitUint8(0xF7);
- EmitOperand(3, addr);
-}
-
-void AssemblerX8632::notl(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF7);
- EmitUint8(0xD0 | reg);
-}
-
-void AssemblerX8632::bswap(Type Ty, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i32);
- (void)Ty;
- EmitUint8(0x0F);
- EmitUint8(0xC8 | reg);
-}
-
-void AssemblerX8632::bsf(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xBC);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::bsf(Type Ty, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xBC);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::bsr(Type Ty, GPRRegister dst, GPRRegister src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xBD);
- EmitRegisterOperand(dst, src);
-}
-
-void AssemblerX8632::bsr(Type Ty, GPRRegister dst, const Address &src) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(Ty == IceType_i16 || Ty == IceType_i32);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(0x0F);
- EmitUint8(0xBD);
- EmitOperand(dst, src);
-}
-
-void AssemblerX8632::bt(GPRRegister base, GPRRegister offset) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xA3);
- EmitRegisterOperand(offset, base);
-}
-
-void AssemblerX8632::ret() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xC3);
-}
-
-void AssemblerX8632::ret(const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xC2);
- assert(imm.is_uint16());
- EmitUint8(imm.value() & 0xFF);
- EmitUint8((imm.value() >> 8) & 0xFF);
-}
-
-void AssemblerX8632::nop(int size) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- // There are nops up to size 15, but for now just provide up to size 8.
- assert(0 < size && size <= MAX_NOP_SIZE);
- switch (size) {
- case 1:
- EmitUint8(0x90);
- break;
- case 2:
- EmitUint8(0x66);
- EmitUint8(0x90);
- break;
- case 3:
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x00);
- break;
- case 4:
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x40);
- EmitUint8(0x00);
- break;
- case 5:
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x44);
- EmitUint8(0x00);
- EmitUint8(0x00);
- break;
- case 6:
- EmitUint8(0x66);
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x44);
- EmitUint8(0x00);
- EmitUint8(0x00);
- break;
- case 7:
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x80);
- EmitUint8(0x00);
- EmitUint8(0x00);
- EmitUint8(0x00);
- EmitUint8(0x00);
- break;
- case 8:
- EmitUint8(0x0F);
- EmitUint8(0x1F);
- EmitUint8(0x84);
- EmitUint8(0x00);
- EmitUint8(0x00);
- EmitUint8(0x00);
- EmitUint8(0x00);
- EmitUint8(0x00);
- break;
- default:
- llvm_unreachable("Unimplemented");
- }
-}
-
-void AssemblerX8632::int3() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xCC);
-}
-
-void AssemblerX8632::hlt() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF4);
-}
-
-void AssemblerX8632::ud2() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x0B);
-}
-
-void AssemblerX8632::j(CondX86::BrCond condition, Label *label, bool near) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (label->IsBound()) {
- static const int kShortSize = 2;
- static const int kLongSize = 6;
- intptr_t offset = label->Position() - buffer_.Size();
- assert(offset <= 0);
- if (Utils::IsInt(8, offset - kShortSize)) {
- // TODO(stichnot): Here and in jmp(), we may need to be more
- // conservative about the backward branch distance if the branch
- // instruction is within a bundle_lock sequence, because the
- // distance may increase when padding is added. This isn't an
- // issue for branches outside a bundle_lock, because if padding
- // is added, the retry may change it to a long backward branch
- // without affecting any of the bookkeeping.
- EmitUint8(0x70 + condition);
- EmitUint8((offset - kShortSize) & 0xFF);
- } else {
- EmitUint8(0x0F);
- EmitUint8(0x80 + condition);
- EmitInt32(offset - kLongSize);
- }
- } else if (near) {
- EmitUint8(0x70 + condition);
- EmitNearLabelLink(label);
- } else {
- EmitUint8(0x0F);
- EmitUint8(0x80 + condition);
- EmitLabelLink(label);
- }
-}
-
-void AssemblerX8632::j(CondX86::BrCond condition,
- const ConstantRelocatable *label) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0x80 + condition);
- EmitFixup(this->createFixup(llvm::ELF::R_386_PC32, label));
- EmitInt32(-4);
-}
-
-void AssemblerX8632::jmp(GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xFF);
- EmitRegisterOperand(4, reg);
-}
-
-void AssemblerX8632::jmp(Label *label, bool near) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (label->IsBound()) {
- static const int kShortSize = 2;
- static const int kLongSize = 5;
- intptr_t offset = label->Position() - buffer_.Size();
- assert(offset <= 0);
- if (Utils::IsInt(8, offset - kShortSize)) {
- EmitUint8(0xEB);
- EmitUint8((offset - kShortSize) & 0xFF);
- } else {
- EmitUint8(0xE9);
- EmitInt32(offset - kLongSize);
- }
- } else if (near) {
- EmitUint8(0xEB);
- EmitNearLabelLink(label);
- } else {
- EmitUint8(0xE9);
- EmitLabelLink(label);
- }
-}
-
-void AssemblerX8632::jmp(const ConstantRelocatable *label) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xE9);
- EmitFixup(this->createFixup(llvm::ELF::R_386_PC32, label));
- EmitInt32(-4);
-}
-
-void AssemblerX8632::mfence() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0x0F);
- EmitUint8(0xAE);
- EmitUint8(0xF0);
-}
-
-void AssemblerX8632::lock() {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(0xF0);
-}
-
-void AssemblerX8632::cmpxchg(Type Ty, const Address &address, GPRRegister reg,
- bool Locked) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (Locked)
- EmitUint8(0xF0);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty))
- EmitUint8(0xB0);
- else
- EmitUint8(0xB1);
- EmitOperand(reg, address);
-}
-
-void AssemblerX8632::cmpxchg8b(const Address &address, bool Locked) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Locked)
- EmitUint8(0xF0);
- EmitUint8(0x0F);
- EmitUint8(0xC7);
- EmitOperand(1, address);
-}
-
-void AssemblerX8632::xadd(Type Ty, const Address &addr, GPRRegister reg,
- bool Locked) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (Locked)
- EmitUint8(0xF0);
- EmitUint8(0x0F);
- if (isByteSizedArithType(Ty))
- EmitUint8(0xC0);
- else
- EmitUint8(0xC1);
- EmitOperand(reg, addr);
-}
-
-void AssemblerX8632::xchg(Type Ty, const Address &addr, GPRRegister reg) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (isByteSizedArithType(Ty))
- EmitUint8(0x86);
- else
- EmitUint8(0x87);
- EmitOperand(reg, addr);
-}
-
-void AssemblerX8632::EmitSegmentOverride(uint8_t prefix) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- EmitUint8(prefix);
-}
-
-void AssemblerX8632::Align(intptr_t alignment, intptr_t offset) {
- assert(llvm::isPowerOf2_32(alignment));
- intptr_t pos = offset + buffer_.GetPosition();
- intptr_t mod = pos & (alignment - 1);
- if (mod == 0) {
- return;
- }
- intptr_t bytes_needed = alignment - mod;
- while (bytes_needed > MAX_NOP_SIZE) {
- nop(MAX_NOP_SIZE);
- bytes_needed -= MAX_NOP_SIZE;
- }
- if (bytes_needed) {
- nop(bytes_needed);
- }
- assert(((offset + buffer_.GetPosition()) & (alignment - 1)) == 0);
-}
-
-void AssemblerX8632::Bind(Label *label) {
- intptr_t bound = buffer_.Size();
- assert(!label->IsBound()); // Labels can only be bound once.
- while (label->IsLinked()) {
- intptr_t position = label->LinkPosition();
- intptr_t next = buffer_.Load<int32_t>(position);
- buffer_.Store<int32_t>(position, bound - (position + 4));
- label->position_ = next;
- }
- while (label->HasNear()) {
- intptr_t position = label->NearPosition();
- intptr_t offset = bound - (position + 1);
- assert(Utils::IsInt(8, offset));
- buffer_.Store<int8_t>(position, offset);
- }
- label->BindTo(bound);
-}
-
-void AssemblerX8632::EmitOperand(int rm, const Operand &operand) {
- assert(rm >= 0 && rm < 8);
- const intptr_t length = operand.length_;
- assert(length > 0);
- // Emit the ModRM byte updated with the given RM value.
- assert((operand.encoding_[0] & 0x38) == 0);
- EmitUint8(operand.encoding_[0] + (rm << 3));
- if (operand.fixup()) {
- EmitFixup(operand.fixup());
- }
- // Emit the rest of the encoded operand.
- for (intptr_t i = 1; i < length; i++) {
- EmitUint8(operand.encoding_[i]);
- }
-}
-
-void AssemblerX8632::EmitImmediate(Type Ty, const Immediate &imm) {
- if (Ty == IceType_i16) {
- assert(!imm.fixup());
- EmitInt16(imm.value());
- } else {
- if (imm.fixup()) {
- EmitFixup(imm.fixup());
- }
- EmitInt32(imm.value());
- }
-}
-
-void AssemblerX8632::EmitComplexI8(int rm, const Operand &operand,
- const Immediate &immediate) {
- assert(rm >= 0 && rm < 8);
- assert(immediate.is_int8());
- if (operand.IsRegister(RegX8632::Encoded_Reg_eax)) {
- // Use short form if the destination is al.
- EmitUint8(0x04 + (rm << 3));
- EmitUint8(immediate.value() & 0xFF);
- } else {
- // Use sign-extended 8-bit immediate.
- EmitUint8(0x80);
- EmitOperand(rm, operand);
- EmitUint8(immediate.value() & 0xFF);
- }
-}
-
-void AssemblerX8632::EmitComplex(Type Ty, int rm, const Operand &operand,
- const Immediate &immediate) {
- assert(rm >= 0 && rm < 8);
- if (immediate.is_int8()) {
- // Use sign-extended 8-bit immediate.
- EmitUint8(0x83);
- EmitOperand(rm, operand);
- EmitUint8(immediate.value() & 0xFF);
- } else if (operand.IsRegister(RegX8632::Encoded_Reg_eax)) {
- // Use short form if the destination is eax.
- EmitUint8(0x05 + (rm << 3));
- EmitImmediate(Ty, immediate);
- } else {
- EmitUint8(0x81);
- EmitOperand(rm, operand);
- EmitImmediate(Ty, immediate);
- }
-}
-
-void AssemblerX8632::EmitLabel(Label *label, intptr_t instruction_size) {
- if (label->IsBound()) {
- intptr_t offset = label->Position() - buffer_.Size();
- assert(offset <= 0);
- EmitInt32(offset - instruction_size);
- } else {
- EmitLabelLink(label);
- }
-}
-
-void AssemblerX8632::EmitLabelLink(Label *label) {
- assert(!label->IsBound());
- intptr_t position = buffer_.Size();
- EmitInt32(label->position_);
- if (!getPreliminary())
- label->LinkTo(position);
-}
-
-void AssemblerX8632::EmitNearLabelLink(Label *label) {
- assert(!label->IsBound());
- intptr_t position = buffer_.Size();
- EmitUint8(0);
- if (!getPreliminary())
- label->NearLinkTo(position);
-}
-
-void AssemblerX8632::EmitGenericShift(int rm, Type Ty, GPRRegister reg,
- const Immediate &imm) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(imm.is_int8());
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- if (imm.value() == 1) {
- EmitUint8(isByteSizedArithType(Ty) ? 0xD0 : 0xD1);
- EmitOperand(rm, Operand(reg));
- } else {
- EmitUint8(isByteSizedArithType(Ty) ? 0xC0 : 0xC1);
- EmitOperand(rm, Operand(reg));
- EmitUint8(imm.value() & 0xFF);
- }
-}
-
-void AssemblerX8632::EmitGenericShift(int rm, Type Ty, const Operand &operand,
- GPRRegister shifter) {
- AssemblerBuffer::EnsureCapacity ensured(&buffer_);
- assert(shifter == RegX8632::Encoded_Reg_ecx);
- (void)shifter;
- if (Ty == IceType_i16)
- EmitOperandSizeOverride();
- EmitUint8(isByteSizedArithType(Ty) ? 0xD2 : 0xD3);
- EmitOperand(rm, operand);
-}
-
-} // end of namespace X8632
-} // end of namespace Ice
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