Gitiles
Code Review Sign In
LeafOS / LeafOS-Project / android_art / 66ce173a40eff4392e9949ede169ccf3108be2db / . / compiler / optimizing / code_generator_x86_64.cc
blob: 892ca9d9c7f4d786dbfc09d5330a2b4a591312c4 [file] [log] [blame]
/*
* Copyright (C) 2014 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 "code_generator_x86_64.h"
#include "entrypoints/quick/quick_entrypoints.h"
#include "gc/accounting/card_table.h"
#include "mirror/array-inl.h"
#include "mirror/art_method.h"
#include "mirror/class.h"
#include "mirror/object_reference.h"
#include "thread.h"
#include "utils/assembler.h"
#include "utils/stack_checks.h"
#include "utils/x86_64/assembler_x86_64.h"
#include "utils/x86_64/managed_register_x86_64.h"
namespace art {
namespace x86_64 {
static constexpr bool kExplicitStackOverflowCheck = false;
// Some x86_64 instructions require a register to be available as temp.
static constexpr Register TMP = R11;
static constexpr int kNumberOfPushedRegistersAtEntry = 1;
static constexpr int kCurrentMethodStackOffset = 0;
static constexpr Register kRuntimeParameterCoreRegisters[] = { RDI, RSI, RDX };
static constexpr size_t kRuntimeParameterCoreRegistersLength =
arraysize(kRuntimeParameterCoreRegisters);
static constexpr FloatRegister kRuntimeParameterFpuRegisters[] = { };
static constexpr size_t kRuntimeParameterFpuRegistersLength = 0;
class InvokeRuntimeCallingConvention : public CallingConvention<Register, FloatRegister> {
public:
InvokeRuntimeCallingConvention()
: CallingConvention(kRuntimeParameterCoreRegisters,
kRuntimeParameterCoreRegistersLength,
kRuntimeParameterFpuRegisters,
kRuntimeParameterFpuRegistersLength) {}
private:
DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention);
};
#define __ reinterpret_cast<X86_64Assembler*>(codegen->GetAssembler())->
class SlowPathCodeX86_64 : public SlowPathCode {
public:
SlowPathCodeX86_64() : entry_label_(), exit_label_() {}
Label* GetEntryLabel() { return &entry_label_; }
Label* GetExitLabel() { return &exit_label_; }
private:
Label entry_label_;
Label exit_label_;
DISALLOW_COPY_AND_ASSIGN(SlowPathCodeX86_64);
};
class NullCheckSlowPathX86_64 : public SlowPathCodeX86_64 {
public:
explicit NullCheckSlowPathX86_64(HNullCheck* instruction) : instruction_(instruction) {}
virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
__ Bind(GetEntryLabel());
__ gs()->call(
Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pThrowNullPointer), true));
codegen->RecordPcInfo(instruction_, instruction_->GetDexPc());
}
private:
HNullCheck* const instruction_;
DISALLOW_COPY_AND_ASSIGN(NullCheckSlowPathX86_64);
};
class StackOverflowCheckSlowPathX86_64 : public SlowPathCodeX86_64 {
public:
StackOverflowCheckSlowPathX86_64() {}
virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
__ Bind(GetEntryLabel());
__ addq(CpuRegister(RSP),
Immediate(codegen->GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize));
__ gs()->jmp(
Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pThrowStackOverflow), true));
}
private:
DISALLOW_COPY_AND_ASSIGN(StackOverflowCheckSlowPathX86_64);
};
class SuspendCheckSlowPathX86_64 : public SlowPathCodeX86_64 {
public:
explicit SuspendCheckSlowPathX86_64(HSuspendCheck* instruction, HBasicBlock* successor)
: instruction_(instruction), successor_(successor) {}
virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
CodeGeneratorX86_64* x64_codegen = down_cast<CodeGeneratorX86_64*>(codegen);
__ Bind(GetEntryLabel());
codegen->SaveLiveRegisters(instruction_->GetLocations());
__ gs()->call(Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pTestSuspend), true));
codegen->RecordPcInfo(instruction_, instruction_->GetDexPc());
codegen->RestoreLiveRegisters(instruction_->GetLocations());
if (successor_ == nullptr) {
__ jmp(GetReturnLabel());
} else {
__ jmp(x64_codegen->GetLabelOf(successor_));
}
}
Label* GetReturnLabel() {
DCHECK(successor_ == nullptr);
return &return_label_;
}
private:
HSuspendCheck* const instruction_;
HBasicBlock* const successor_;
Label return_label_;
DISALLOW_COPY_AND_ASSIGN(SuspendCheckSlowPathX86_64);
};
class BoundsCheckSlowPathX86_64 : public SlowPathCodeX86_64 {
public:
BoundsCheckSlowPathX86_64(HBoundsCheck* instruction,
Location index_location,
Location length_location)
: instruction_(instruction),
index_location_(index_location),
length_location_(length_location) {}
virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
CodeGeneratorX86_64* x64_codegen = down_cast<CodeGeneratorX86_64*>(codegen);
__ Bind(GetEntryLabel());
InvokeRuntimeCallingConvention calling_convention;
x64_codegen->Move(Location::RegisterLocation(calling_convention.GetRegisterAt(0)), index_location_);
x64_codegen->Move(Location::RegisterLocation(calling_convention.GetRegisterAt(1)), length_location_);
__ gs()->call(Address::Absolute(
QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pThrowArrayBounds), true));
codegen->RecordPcInfo(instruction_, instruction_->GetDexPc());
}
private:
HBoundsCheck* const instruction_;
const Location index_location_;
const Location length_location_;
DISALLOW_COPY_AND_ASSIGN(BoundsCheckSlowPathX86_64);
};
#undef __
#define __ reinterpret_cast<X86_64Assembler*>(GetAssembler())->
inline Condition X86_64Condition(IfCondition cond) {
switch (cond) {
case kCondEQ: return kEqual;
case kCondNE: return kNotEqual;
case kCondLT: return kLess;
case kCondLE: return kLessEqual;
case kCondGT: return kGreater;
case kCondGE: return kGreaterEqual;
default:
LOG(FATAL) << "Unknown if condition";
}
return kEqual;
}
void CodeGeneratorX86_64::DumpCoreRegister(std::ostream& stream, int reg) const {
stream << X86_64ManagedRegister::FromCpuRegister(Register(reg));
}
void CodeGeneratorX86_64::DumpFloatingPointRegister(std::ostream& stream, int reg) const {
stream << X86_64ManagedRegister::FromXmmRegister(FloatRegister(reg));
}
size_t CodeGeneratorX86_64::SaveCoreRegister(size_t stack_index, uint32_t reg_id) {
__ movq(Address(CpuRegister(RSP), stack_index), CpuRegister(reg_id));
return kX86_64WordSize;
}
size_t CodeGeneratorX86_64::RestoreCoreRegister(size_t stack_index, uint32_t reg_id) {
__ movq(CpuRegister(reg_id), Address(CpuRegister(RSP), stack_index));
return kX86_64WordSize;
}
size_t CodeGeneratorX86_64::SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) {
__ movsd(Address(CpuRegister(RSP), stack_index), XmmRegister(reg_id));
return kX86_64WordSize;
}
size_t CodeGeneratorX86_64::RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) {
__ movsd(XmmRegister(reg_id), Address(CpuRegister(RSP), stack_index));
return kX86_64WordSize;
}
CodeGeneratorX86_64::CodeGeneratorX86_64(HGraph* graph)
: CodeGenerator(graph, kNumberOfCpuRegisters, kNumberOfFloatRegisters, 0),
block_labels_(graph->GetArena(), 0),
location_builder_(graph, this),
instruction_visitor_(graph, this),
move_resolver_(graph->GetArena(), this) {}
size_t CodeGeneratorX86_64::FrameEntrySpillSize() const {
return kNumberOfPushedRegistersAtEntry * kX86_64WordSize;
}
InstructionCodeGeneratorX86_64::InstructionCodeGeneratorX86_64(HGraph* graph,
CodeGeneratorX86_64* codegen)
: HGraphVisitor(graph),
assembler_(codegen->GetAssembler()),
codegen_(codegen) {}
Location CodeGeneratorX86_64::AllocateFreeRegister(Primitive::Type type) const {
switch (type) {
case Primitive::kPrimLong:
case Primitive::kPrimByte:
case Primitive::kPrimBoolean:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot: {
size_t reg = FindFreeEntry(blocked_core_registers_, kNumberOfCpuRegisters);
return Location::RegisterLocation(reg);
}
case Primitive::kPrimFloat:
case Primitive::kPrimDouble: {
size_t reg = FindFreeEntry(blocked_fpu_registers_, kNumberOfFloatRegisters);
return Location::FpuRegisterLocation(reg);
}
case Primitive::kPrimVoid:
LOG(FATAL) << "Unreachable type " << type;
}
return Location();
}
void CodeGeneratorX86_64::SetupBlockedRegisters() const {
// Stack register is always reserved.
blocked_core_registers_[RSP] = true;
// Block the register used as TMP.
blocked_core_registers_[TMP] = true;
// TODO: We currently don't use Quick's callee saved registers.
blocked_core_registers_[RBX] = true;
blocked_core_registers_[RBP] = true;
blocked_core_registers_[R12] = true;
blocked_core_registers_[R13] = true;
blocked_core_registers_[R14] = true;
blocked_core_registers_[R15] = true;
blocked_fpu_registers_[XMM12] = true;
blocked_fpu_registers_[XMM13] = true;
blocked_fpu_registers_[XMM14] = true;
blocked_fpu_registers_[XMM15] = true;
}
void CodeGeneratorX86_64::GenerateFrameEntry() {
// Create a fake register to mimic Quick.
static const int kFakeReturnRegister = 16;
core_spill_mask_ |= (1 << kFakeReturnRegister);
bool skip_overflow_check = IsLeafMethod()
&& !FrameNeedsStackCheck(GetFrameSize(), InstructionSet::kX86_64);
if (!skip_overflow_check && !kExplicitStackOverflowCheck) {
__ testq(CpuRegister(RAX), Address(
CpuRegister(RSP), -static_cast<int32_t>(GetStackOverflowReservedBytes(kX86_64))));
RecordPcInfo(nullptr, 0);
}
// The return PC has already been pushed on the stack.
__ subq(CpuRegister(RSP),
Immediate(GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize));
if (!skip_overflow_check && kExplicitStackOverflowCheck) {
SlowPathCodeX86_64* slow_path = new (GetGraph()->GetArena()) StackOverflowCheckSlowPathX86_64();
AddSlowPath(slow_path);
__ gs()->cmpq(CpuRegister(RSP),
Address::Absolute(Thread::StackEndOffset<kX86_64WordSize>(), true));
__ j(kLess, slow_path->GetEntryLabel());
}
__ movl(Address(CpuRegister(RSP), kCurrentMethodStackOffset), CpuRegister(RDI));
}
void CodeGeneratorX86_64::GenerateFrameExit() {
__ addq(CpuRegister(RSP),
Immediate(GetFrameSize() - kNumberOfPushedRegistersAtEntry * kX86_64WordSize));
}
void CodeGeneratorX86_64::Bind(HBasicBlock* block) {
__ Bind(GetLabelOf(block));
}
void InstructionCodeGeneratorX86_64::LoadCurrentMethod(CpuRegister reg) {
__ movl(reg, Address(CpuRegister(RSP), kCurrentMethodStackOffset));
}
Location CodeGeneratorX86_64::GetStackLocation(HLoadLocal* load) const {
switch (load->GetType()) {
case Primitive::kPrimLong:
case Primitive::kPrimDouble:
return Location::DoubleStackSlot(GetStackSlot(load->GetLocal()));
break;
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimFloat:
return Location::StackSlot(GetStackSlot(load->GetLocal()));
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimVoid:
LOG(FATAL) << "Unexpected type " << load->GetType();
}
LOG(FATAL) << "Unreachable";
return Location();
}
void CodeGeneratorX86_64::Move(Location destination, Location source) {
if (source.Equals(destination)) {
return;
}
if (destination.IsRegister()) {
if (source.IsRegister()) {
__ movq(destination.As<CpuRegister>(), source.As<CpuRegister>());
} else if (source.IsFpuRegister()) {
__ movd(destination.As<CpuRegister>(), source.As<XmmRegister>());
} else if (source.IsStackSlot()) {
__ movl(destination.As<CpuRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
} else {
DCHECK(source.IsDoubleStackSlot());
__ movq(destination.As<CpuRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
}
} else if (destination.IsFpuRegister()) {
if (source.IsRegister()) {
__ movd(destination.As<XmmRegister>(), source.As<CpuRegister>());
} else if (source.IsFpuRegister()) {
__ movaps(destination.As<XmmRegister>(), source.As<XmmRegister>());
} else if (source.IsStackSlot()) {
__ movss(destination.As<XmmRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
} else {
DCHECK(source.IsDoubleStackSlot());
__ movsd(destination.As<XmmRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
}
} else if (destination.IsStackSlot()) {
if (source.IsRegister()) {
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<CpuRegister>());
} else if (source.IsFpuRegister()) {
__ movss(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<XmmRegister>());
} else {
DCHECK(source.IsStackSlot());
__ movl(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex()));
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
} else {
DCHECK(destination.IsDoubleStackSlot());
if (source.IsRegister()) {
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<CpuRegister>());
} else if (source.IsFpuRegister()) {
__ movsd(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<XmmRegister>());
} else {
DCHECK(source.IsDoubleStackSlot());
__ movq(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex()));
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
}
}
void CodeGeneratorX86_64::Move(HInstruction* instruction,
Location location,
HInstruction* move_for) {
if (instruction->IsIntConstant()) {
Immediate imm(instruction->AsIntConstant()->GetValue());
if (location.IsRegister()) {
__ movl(location.As<CpuRegister>(), imm);
} else if (location.IsStackSlot()) {
__ movl(Address(CpuRegister(RSP), location.GetStackIndex()), imm);
} else {
DCHECK(location.IsConstant());
DCHECK_EQ(location.GetConstant(), instruction);
}
} else if (instruction->IsLongConstant()) {
int64_t value = instruction->AsLongConstant()->GetValue();
if (location.IsRegister()) {
__ movq(location.As<CpuRegister>(), Immediate(value));
} else if (location.IsDoubleStackSlot()) {
__ movq(CpuRegister(TMP), Immediate(value));
__ movq(Address(CpuRegister(RSP), location.GetStackIndex()), CpuRegister(TMP));
} else {
DCHECK(location.IsConstant());
DCHECK_EQ(location.GetConstant(), instruction);
}
} else if (instruction->IsLoadLocal()) {
switch (instruction->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimFloat:
Move(location, Location::StackSlot(GetStackSlot(instruction->AsLoadLocal()->GetLocal())));
break;
case Primitive::kPrimLong:
case Primitive::kPrimDouble:
Move(location, Location::DoubleStackSlot(GetStackSlot(instruction->AsLoadLocal()->GetLocal())));
break;
default:
LOG(FATAL) << "Unexpected local type " << instruction->GetType();
}
} else {
DCHECK((instruction->GetNext() == move_for) || instruction->GetNext()->IsTemporary());
switch (instruction->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimLong:
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
Move(location, instruction->GetLocations()->Out());
break;
default:
LOG(FATAL) << "Unexpected type " << instruction->GetType();
}
}
}
void LocationsBuilderX86_64::VisitGoto(HGoto* got) {
got->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitGoto(HGoto* got) {
HBasicBlock* successor = got->GetSuccessor();
DCHECK(!successor->IsExitBlock());
HBasicBlock* block = got->GetBlock();
HInstruction* previous = got->GetPrevious();
HLoopInformation* info = block->GetLoopInformation();
if (info != nullptr && info->IsBackEdge(block) && info->HasSuspendCheck()) {
codegen_->ClearSpillSlotsFromLoopPhisInStackMap(info->GetSuspendCheck());
GenerateSuspendCheck(info->GetSuspendCheck(), successor);
return;
}
if (block->IsEntryBlock() && (previous != nullptr) && previous->IsSuspendCheck()) {
GenerateSuspendCheck(previous->AsSuspendCheck(), nullptr);
}
if (!codegen_->GoesToNextBlock(got->GetBlock(), successor)) {
__ jmp(codegen_->GetLabelOf(successor));
}
}
void LocationsBuilderX86_64::VisitExit(HExit* exit) {
exit->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitExit(HExit* exit) {
if (kIsDebugBuild) {
__ Comment("Unreachable");
__ int3();
}
}
void LocationsBuilderX86_64::VisitIf(HIf* if_instr) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(if_instr, LocationSummary::kNoCall);
HInstruction* cond = if_instr->InputAt(0);
if (!cond->IsCondition() || cond->AsCondition()->NeedsMaterialization()) {
locations->SetInAt(0, Location::Any());
}
}
void InstructionCodeGeneratorX86_64::VisitIf(HIf* if_instr) {
HInstruction* cond = if_instr->InputAt(0);
if (cond->IsIntConstant()) {
// Constant condition, statically compared against 1.
int32_t cond_value = cond->AsIntConstant()->GetValue();
if (cond_value == 1) {
if (!codegen_->GoesToNextBlock(if_instr->GetBlock(),
if_instr->IfTrueSuccessor())) {
__ jmp(codegen_->GetLabelOf(if_instr->IfTrueSuccessor()));
}
return;
} else {
DCHECK_EQ(cond_value, 0);
}
} else {
bool materialized =
!cond->IsCondition() || cond->AsCondition()->NeedsMaterialization();
// Moves do not affect the eflags register, so if the condition is
// evaluated just before the if, we don't need to evaluate it
// again.
bool eflags_set = cond->IsCondition()
&& cond->AsCondition()->IsBeforeWhenDisregardMoves(if_instr);
if (materialized) {
if (!eflags_set) {
// Materialized condition, compare against 0.
Location lhs = if_instr->GetLocations()->InAt(0);
if (lhs.IsRegister()) {
__ cmpl(lhs.As<CpuRegister>(), Immediate(0));
} else {
__ cmpl(Address(CpuRegister(RSP), lhs.GetStackIndex()),
Immediate(0));
}
__ j(kNotEqual, codegen_->GetLabelOf(if_instr->IfTrueSuccessor()));
} else {
__ j(X86_64Condition(cond->AsCondition()->GetCondition()),
codegen_->GetLabelOf(if_instr->IfTrueSuccessor()));
}
} else {
Location lhs = cond->GetLocations()->InAt(0);
Location rhs = cond->GetLocations()->InAt(1);
if (rhs.IsRegister()) {
__ cmpl(lhs.As<CpuRegister>(), rhs.As<CpuRegister>());
} else if (rhs.IsConstant()) {
__ cmpl(lhs.As<CpuRegister>(),
Immediate(rhs.GetConstant()->AsIntConstant()->GetValue()));
} else {
__ cmpl(lhs.As<CpuRegister>(),
Address(CpuRegister(RSP), rhs.GetStackIndex()));
}
__ j(X86_64Condition(cond->AsCondition()->GetCondition()),
codegen_->GetLabelOf(if_instr->IfTrueSuccessor()));
}
}
if (!codegen_->GoesToNextBlock(if_instr->GetBlock(),
if_instr->IfFalseSuccessor())) {
__ jmp(codegen_->GetLabelOf(if_instr->IfFalseSuccessor()));
}
}
void LocationsBuilderX86_64::VisitLocal(HLocal* local) {
local->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitLocal(HLocal* local) {
DCHECK_EQ(local->GetBlock(), GetGraph()->GetEntryBlock());
}
void LocationsBuilderX86_64::VisitLoadLocal(HLoadLocal* local) {
local->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitLoadLocal(HLoadLocal* load) {
// Nothing to do, this is driven by the code generator.
}
void LocationsBuilderX86_64::VisitStoreLocal(HStoreLocal* store) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(store, LocationSummary::kNoCall);
switch (store->InputAt(1)->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimFloat:
locations->SetInAt(1, Location::StackSlot(codegen_->GetStackSlot(store->GetLocal())));
break;
case Primitive::kPrimLong:
case Primitive::kPrimDouble:
locations->SetInAt(1, Location::DoubleStackSlot(codegen_->GetStackSlot(store->GetLocal())));
break;
default:
LOG(FATAL) << "Unexpected local type " << store->InputAt(1)->GetType();
}
}
void InstructionCodeGeneratorX86_64::VisitStoreLocal(HStoreLocal* store) {
}
void LocationsBuilderX86_64::VisitCondition(HCondition* comp) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(comp, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::Any());
if (comp->NeedsMaterialization()) {
locations->SetOut(Location::RequiresRegister());
}
}
void InstructionCodeGeneratorX86_64::VisitCondition(HCondition* comp) {
if (comp->NeedsMaterialization()) {
LocationSummary* locations = comp->GetLocations();
CpuRegister reg = locations->Out().As<CpuRegister>();
// Clear register: setcc only sets the low byte.
__ xorq(reg, reg);
if (locations->InAt(1).IsRegister()) {
__ cmpl(locations->InAt(0).As<CpuRegister>(),
locations->InAt(1).As<CpuRegister>());
} else if (locations->InAt(1).IsConstant()) {
__ cmpl(locations->InAt(0).As<CpuRegister>(),
Immediate(locations->InAt(1).GetConstant()->AsIntConstant()->GetValue()));
} else {
__ cmpl(locations->InAt(0).As<CpuRegister>(),
Address(CpuRegister(RSP), locations->InAt(1).GetStackIndex()));
}
__ setcc(X86_64Condition(comp->GetCondition()), reg);
}
}
void LocationsBuilderX86_64::VisitEqual(HEqual* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitEqual(HEqual* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitNotEqual(HNotEqual* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitNotEqual(HNotEqual* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitLessThan(HLessThan* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitLessThan(HLessThan* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitLessThanOrEqual(HLessThanOrEqual* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitLessThanOrEqual(HLessThanOrEqual* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitGreaterThan(HGreaterThan* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitGreaterThan(HGreaterThan* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) {
VisitCondition(comp);
}
void InstructionCodeGeneratorX86_64::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) {
VisitCondition(comp);
}
void LocationsBuilderX86_64::VisitCompare(HCompare* compare) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(compare, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
}
void InstructionCodeGeneratorX86_64::VisitCompare(HCompare* compare) {
Label greater, done;
LocationSummary* locations = compare->GetLocations();
switch (compare->InputAt(0)->GetType()) {
case Primitive::kPrimLong:
__ cmpq(locations->InAt(0).As<CpuRegister>(),
locations->InAt(1).As<CpuRegister>());
break;
default:
LOG(FATAL) << "Unimplemented compare type " << compare->InputAt(0)->GetType();
}
CpuRegister output = locations->Out().As<CpuRegister>();
__ movl(output, Immediate(0));
__ j(kEqual, &done);
__ j(kGreater, &greater);
__ movl(output, Immediate(-1));
__ jmp(&done);
__ Bind(&greater);
__ movl(output, Immediate(1));
__ Bind(&done);
}
void LocationsBuilderX86_64::VisitIntConstant(HIntConstant* constant) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
locations->SetOut(Location::ConstantLocation(constant));
}
void InstructionCodeGeneratorX86_64::VisitIntConstant(HIntConstant* constant) {
// Will be generated at use site.
}
void LocationsBuilderX86_64::VisitLongConstant(HLongConstant* constant) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
locations->SetOut(Location::ConstantLocation(constant));
}
void InstructionCodeGeneratorX86_64::VisitLongConstant(HLongConstant* constant) {
// Will be generated at use site.
}
void LocationsBuilderX86_64::VisitFloatConstant(HFloatConstant* constant) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
locations->SetOut(Location::ConstantLocation(constant));
}
void InstructionCodeGeneratorX86_64::VisitFloatConstant(HFloatConstant* constant) {
// Will be generated at use site.
}
void LocationsBuilderX86_64::VisitDoubleConstant(HDoubleConstant* constant) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
locations->SetOut(Location::ConstantLocation(constant));
}
void InstructionCodeGeneratorX86_64::VisitDoubleConstant(HDoubleConstant* constant) {
// Will be generated at use site.
}
void LocationsBuilderX86_64::VisitReturnVoid(HReturnVoid* ret) {
ret->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitReturnVoid(HReturnVoid* ret) {
codegen_->GenerateFrameExit();
__ ret();
}
void LocationsBuilderX86_64::VisitReturn(HReturn* ret) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(ret, LocationSummary::kNoCall);
switch (ret->InputAt(0)->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimLong:
locations->SetInAt(0, Location::RegisterLocation(RAX));
break;
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
locations->SetInAt(0,
Location::FpuRegisterLocation(XMM0));
break;
default:
LOG(FATAL) << "Unexpected return type " << ret->InputAt(0)->GetType();
}
}
void InstructionCodeGeneratorX86_64::VisitReturn(HReturn* ret) {
if (kIsDebugBuild) {
switch (ret->InputAt(0)->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimLong:
DCHECK_EQ(ret->GetLocations()->InAt(0).As<CpuRegister>().AsRegister(), RAX);
break;
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
DCHECK_EQ(ret->GetLocations()->InAt(0).As<XmmRegister>().AsFloatRegister(),
XMM0);
break;
default:
LOG(FATAL) << "Unexpected return type " << ret->InputAt(0)->GetType();
}
}
codegen_->GenerateFrameExit();
__ ret();
}
Location InvokeDexCallingConventionVisitor::GetNextLocation(Primitive::Type type) {
switch (type) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot: {
uint32_t index = gp_index_++;
stack_index_++;
if (index < calling_convention.GetNumberOfRegisters()) {
return Location::RegisterLocation(calling_convention.GetRegisterAt(index));
} else {
return Location::StackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 1));
}
}
case Primitive::kPrimLong: {
uint32_t index = gp_index_;
stack_index_ += 2;
if (index < calling_convention.GetNumberOfRegisters()) {
gp_index_ += 1;
return Location::RegisterLocation(calling_convention.GetRegisterAt(index));
} else {
gp_index_ += 2;
return Location::DoubleStackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 2));
}
}
case Primitive::kPrimFloat: {
uint32_t index = fp_index_++;
stack_index_++;
if (index < calling_convention.GetNumberOfFpuRegisters()) {
return Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(index));
} else {
return Location::StackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 1));
}
}
case Primitive::kPrimDouble: {
uint32_t index = fp_index_++;
stack_index_ += 2;
if (index < calling_convention.GetNumberOfFpuRegisters()) {
return Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(index));
} else {
return Location::DoubleStackSlot(calling_convention.GetStackOffsetOf(stack_index_ - 2));
}
}
case Primitive::kPrimVoid:
LOG(FATAL) << "Unexpected parameter type " << type;
break;
}
return Location();
}
void LocationsBuilderX86_64::VisitInvokeStatic(HInvokeStatic* invoke) {
HandleInvoke(invoke);
}
void InstructionCodeGeneratorX86_64::VisitInvokeStatic(HInvokeStatic* invoke) {
CpuRegister temp = invoke->GetLocations()->GetTemp(0).As<CpuRegister>();
uint32_t heap_reference_size = sizeof(mirror::HeapReference<mirror::Object>);
size_t index_in_cache = mirror::Array::DataOffset(heap_reference_size).SizeValue() +
invoke->GetIndexInDexCache() * heap_reference_size;
// TODO: Implement all kinds of calls:
// 1) boot -> boot
// 2) app -> boot
// 3) app -> app
//
// Currently we implement the app -> app logic, which looks up in the resolve cache.
// temp = method;
LoadCurrentMethod(temp);
// temp = temp->dex_cache_resolved_methods_;
__ movl(temp, Address(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset().SizeValue()));
// temp = temp[index_in_cache]
__ movl(temp, Address(temp, index_in_cache));
// (temp + offset_of_quick_compiled_code)()
__ call(Address(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().SizeValue()));
DCHECK(!codegen_->IsLeafMethod());
codegen_->RecordPcInfo(invoke, invoke->GetDexPc());
}
void LocationsBuilderX86_64::VisitInvokeVirtual(HInvokeVirtual* invoke) {
HandleInvoke(invoke);
}
void LocationsBuilderX86_64::HandleInvoke(HInvoke* invoke) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(invoke, LocationSummary::kCall);
locations->AddTemp(Location::RegisterLocation(RDI));
InvokeDexCallingConventionVisitor calling_convention_visitor;
for (size_t i = 0; i < invoke->InputCount(); i++) {
HInstruction* input = invoke->InputAt(i);
locations->SetInAt(i, calling_convention_visitor.GetNextLocation(input->GetType()));
}
switch (invoke->GetType()) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte:
case Primitive::kPrimChar:
case Primitive::kPrimShort:
case Primitive::kPrimInt:
case Primitive::kPrimNot:
case Primitive::kPrimLong:
locations->SetOut(Location::RegisterLocation(RAX));
break;
case Primitive::kPrimVoid:
break;
case Primitive::kPrimDouble:
case Primitive::kPrimFloat:
locations->SetOut(Location::FpuRegisterLocation(XMM0));
break;
}
}
void InstructionCodeGeneratorX86_64::VisitInvokeVirtual(HInvokeVirtual* invoke) {
CpuRegister temp = invoke->GetLocations()->GetTemp(0).As<CpuRegister>();
size_t method_offset = mirror::Class::EmbeddedVTableOffset().SizeValue() +
invoke->GetVTableIndex() * sizeof(mirror::Class::VTableEntry);
LocationSummary* locations = invoke->GetLocations();
Location receiver = locations->InAt(0);
size_t class_offset = mirror::Object::ClassOffset().SizeValue();
// temp = object->GetClass();
if (receiver.IsStackSlot()) {
__ movl(temp, Address(CpuRegister(RSP), receiver.GetStackIndex()));
__ movl(temp, Address(temp, class_offset));
} else {
__ movl(temp, Address(receiver.As<CpuRegister>(), class_offset));
}
// temp = temp->GetMethodAt(method_offset);
__ movl(temp, Address(temp, method_offset));
// call temp->GetEntryPoint();
__ call(Address(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().SizeValue()));
DCHECK(!codegen_->IsLeafMethod());
codegen_->RecordPcInfo(invoke, invoke->GetDexPc());
}
void LocationsBuilderX86_64::VisitNeg(HNeg* neg) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall);
switch (neg->GetResultType()) {
case Primitive::kPrimInt:
case Primitive::kPrimLong:
locations->SetInAt(0, Location::RequiresRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
break;
default:
LOG(FATAL) << "Unexpected neg type " << neg->GetResultType();
}
}
void InstructionCodeGeneratorX86_64::VisitNeg(HNeg* neg) {
LocationSummary* locations = neg->GetLocations();
Location out = locations->Out();
Location in = locations->InAt(0);
switch (neg->GetResultType()) {
case Primitive::kPrimInt:
DCHECK(in.IsRegister());
__ negl(out.As<CpuRegister>());
break;
case Primitive::kPrimLong:
DCHECK(in.IsRegister());
__ negq(out.As<CpuRegister>());
break;
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
LOG(FATAL) << "Not yet implemented neg type " << neg->GetResultType();
break;
default:
LOG(FATAL) << "Unexpected neg type " << neg->GetResultType();
}
}
void LocationsBuilderX86_64::VisitAdd(HAdd* add) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(add, LocationSummary::kNoCall);
switch (add->GetResultType()) {
case Primitive::kPrimInt: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::Any());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimLong: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimDouble:
case Primitive::kPrimFloat: {
locations->SetInAt(0, Location::RequiresFpuRegister());
locations->SetInAt(1, Location::RequiresFpuRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
default:
LOG(FATAL) << "Unexpected add type " << add->GetResultType();
}
}
void InstructionCodeGeneratorX86_64::VisitAdd(HAdd* add) {
LocationSummary* locations = add->GetLocations();
Location first = locations->InAt(0);
Location second = locations->InAt(1);
DCHECK(first.Equals(locations->Out()));
switch (add->GetResultType()) {
case Primitive::kPrimInt: {
if (second.IsRegister()) {
__ addl(first.As<CpuRegister>(), second.As<CpuRegister>());
} else if (second.IsConstant()) {
Immediate imm(second.GetConstant()->AsIntConstant()->GetValue());
__ addl(first.As<CpuRegister>(), imm);
} else {
__ addl(first.As<CpuRegister>(), Address(CpuRegister(RSP), second.GetStackIndex()));
}
break;
}
case Primitive::kPrimLong: {
__ addq(first.As<CpuRegister>(), second.As<CpuRegister>());
break;
}
case Primitive::kPrimFloat: {
__ addss(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
case Primitive::kPrimDouble: {
__ addsd(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
default:
LOG(FATAL) << "Unexpected add type " << add->GetResultType();
}
}
void LocationsBuilderX86_64::VisitSub(HSub* sub) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(sub, LocationSummary::kNoCall);
switch (sub->GetResultType()) {
case Primitive::kPrimInt: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::Any());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimLong: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimFloat:
case Primitive::kPrimDouble: {
locations->SetInAt(0, Location::RequiresFpuRegister());
locations->SetInAt(1, Location::RequiresFpuRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
default:
LOG(FATAL) << "Unexpected sub type " << sub->GetResultType();
}
}
void InstructionCodeGeneratorX86_64::VisitSub(HSub* sub) {
LocationSummary* locations = sub->GetLocations();
Location first = locations->InAt(0);
Location second = locations->InAt(1);
DCHECK(first.Equals(locations->Out()));
switch (sub->GetResultType()) {
case Primitive::kPrimInt: {
if (second.IsRegister()) {
__ subl(first.As<CpuRegister>(), second.As<CpuRegister>());
} else if (second.IsConstant()) {
Immediate imm(second.GetConstant()->AsIntConstant()->GetValue());
__ subl(first.As<CpuRegister>(), imm);
} else {
__ subl(first.As<CpuRegister>(), Address(CpuRegister(RSP), second.GetStackIndex()));
}
break;
}
case Primitive::kPrimLong: {
__ subq(first.As<CpuRegister>(), second.As<CpuRegister>());
break;
}
case Primitive::kPrimFloat: {
__ subss(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
case Primitive::kPrimDouble: {
__ subsd(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
default:
LOG(FATAL) << "Unexpected sub type " << sub->GetResultType();
}
}
void LocationsBuilderX86_64::VisitMul(HMul* mul) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(mul, LocationSummary::kNoCall);
switch (mul->GetResultType()) {
case Primitive::kPrimInt: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::Any());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimLong: {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
case Primitive::kPrimFloat:
case Primitive::kPrimDouble: {
locations->SetInAt(0, Location::RequiresFpuRegister());
locations->SetInAt(1, Location::RequiresFpuRegister());
locations->SetOut(Location::SameAsFirstInput());
break;
}
default:
LOG(FATAL) << "Unexpected mul type " << mul->GetResultType();
}
}
void InstructionCodeGeneratorX86_64::VisitMul(HMul* mul) {
LocationSummary* locations = mul->GetLocations();
Location first = locations->InAt(0);
Location second = locations->InAt(1);
DCHECK(first.Equals(locations->Out()));
switch (mul->GetResultType()) {
case Primitive::kPrimInt: {
if (second.IsRegister()) {
__ imull(first.As<CpuRegister>(), second.As<CpuRegister>());
} else if (second.IsConstant()) {
Immediate imm(second.GetConstant()->AsIntConstant()->GetValue());
__ imull(first.As<CpuRegister>(), imm);
} else {
DCHECK(second.IsStackSlot());
__ imull(first.As<CpuRegister>(), Address(CpuRegister(RSP), second.GetStackIndex()));
}
break;
}
case Primitive::kPrimLong: {
__ imulq(first.As<CpuRegister>(), second.As<CpuRegister>());
break;
}
case Primitive::kPrimFloat: {
__ mulss(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
case Primitive::kPrimDouble: {
__ mulsd(first.As<XmmRegister>(), second.As<XmmRegister>());
break;
}
default:
LOG(FATAL) << "Unexpected mul type " << mul->GetResultType();
}
}
void LocationsBuilderX86_64::VisitNewInstance(HNewInstance* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall);
InvokeRuntimeCallingConvention calling_convention;
locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
locations->SetOut(Location::RegisterLocation(RAX));
}
void InstructionCodeGeneratorX86_64::VisitNewInstance(HNewInstance* instruction) {
InvokeRuntimeCallingConvention calling_convention;
LoadCurrentMethod(CpuRegister(calling_convention.GetRegisterAt(1)));
__ movq(CpuRegister(calling_convention.GetRegisterAt(0)), Immediate(instruction->GetTypeIndex()));
__ gs()->call(Address::Absolute(
QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pAllocObjectWithAccessCheck), true));
DCHECK(!codegen_->IsLeafMethod());
codegen_->RecordPcInfo(instruction, instruction->GetDexPc());
}
void LocationsBuilderX86_64::VisitNewArray(HNewArray* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall);
InvokeRuntimeCallingConvention calling_convention;
locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
locations->AddTemp(Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
locations->SetOut(Location::RegisterLocation(RAX));
locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(2)));
}
void InstructionCodeGeneratorX86_64::VisitNewArray(HNewArray* instruction) {
InvokeRuntimeCallingConvention calling_convention;
LoadCurrentMethod(CpuRegister(calling_convention.GetRegisterAt(1)));
__ movq(CpuRegister(calling_convention.GetRegisterAt(0)), Immediate(instruction->GetTypeIndex()));
__ gs()->call(Address::Absolute(
QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pAllocArrayWithAccessCheck), true));
DCHECK(!codegen_->IsLeafMethod());
codegen_->RecordPcInfo(instruction, instruction->GetDexPc());
}
void LocationsBuilderX86_64::VisitParameterValue(HParameterValue* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
Location location = parameter_visitor_.GetNextLocation(instruction->GetType());
if (location.IsStackSlot()) {
location = Location::StackSlot(location.GetStackIndex() + codegen_->GetFrameSize());
} else if (location.IsDoubleStackSlot()) {
location = Location::DoubleStackSlot(location.GetStackIndex() + codegen_->GetFrameSize());
}
locations->SetOut(location);
}
void InstructionCodeGeneratorX86_64::VisitParameterValue(HParameterValue* instruction) {
// Nothing to do, the parameter is already at its location.
}
void LocationsBuilderX86_64::VisitNot(HNot* not_) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(not_, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetOut(Location::SameAsFirstInput());
}
void InstructionCodeGeneratorX86_64::VisitNot(HNot* not_) {
LocationSummary* locations = not_->GetLocations();
DCHECK_EQ(locations->InAt(0).As<CpuRegister>().AsRegister(),
locations->Out().As<CpuRegister>().AsRegister());
Location out = locations->Out();
switch (not_->InputAt(0)->GetType()) {
case Primitive::kPrimBoolean:
__ xorq(out.As<CpuRegister>(), Immediate(1));
break;
case Primitive::kPrimInt:
__ notl(out.As<CpuRegister>());
break;
case Primitive::kPrimLong:
LOG(FATAL) << "Not yet implemented type for not operation " << not_->GetResultType();
break;
default:
LOG(FATAL) << "Unimplemented type for not operation " << not_->GetResultType();
}
}
void LocationsBuilderX86_64::VisitPhi(HPhi* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
for (size_t i = 0, e = instruction->InputCount(); i < e; ++i) {
locations->SetInAt(i, Location::Any());
}
locations->SetOut(Location::Any());
}
void InstructionCodeGeneratorX86_64::VisitPhi(HPhi* instruction) {
LOG(FATAL) << "Unimplemented";
}
void LocationsBuilderX86_64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
Primitive::Type field_type = instruction->GetFieldType();
bool is_object_type = field_type == Primitive::kPrimNot;
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
if (is_object_type) {
// Temporary registers for the write barrier.
locations->AddTemp(Location::RequiresRegister());
locations->AddTemp(Location::RequiresRegister());
}
}
void InstructionCodeGeneratorX86_64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) {
LocationSummary* locations = instruction->GetLocations();
CpuRegister obj = locations->InAt(0).As<CpuRegister>();
CpuRegister value = locations->InAt(1).As<CpuRegister>();
size_t offset = instruction->GetFieldOffset().SizeValue();
Primitive::Type field_type = instruction->GetFieldType();
switch (field_type) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte: {
__ movb(Address(obj, offset), value);
break;
}
case Primitive::kPrimShort:
case Primitive::kPrimChar: {
__ movw(Address(obj, offset), value);
break;
}
case Primitive::kPrimInt:
case Primitive::kPrimNot: {
__ movl(Address(obj, offset), value);
if (field_type == Primitive::kPrimNot) {
CpuRegister temp = locations->GetTemp(0).As<CpuRegister>();
CpuRegister card = locations->GetTemp(1).As<CpuRegister>();
codegen_->MarkGCCard(temp, card, obj, value);
}
break;
}
case Primitive::kPrimLong: {
__ movq(Address(obj, offset), value);
break;
}
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
LOG(FATAL) << "Unimplemented register type " << field_type;
UNREACHABLE();
case Primitive::kPrimVoid:
LOG(FATAL) << "Unreachable type " << field_type;
UNREACHABLE();
}
}
void LocationsBuilderX86_64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
}
void InstructionCodeGeneratorX86_64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) {
LocationSummary* locations = instruction->GetLocations();
CpuRegister obj = locations->InAt(0).As<CpuRegister>();
CpuRegister out = locations->Out().As<CpuRegister>();
size_t offset = instruction->GetFieldOffset().SizeValue();
switch (instruction->GetType()) {
case Primitive::kPrimBoolean: {
__ movzxb(out, Address(obj, offset));
break;
}
case Primitive::kPrimByte: {
__ movsxb(out, Address(obj, offset));
break;
}
case Primitive::kPrimShort: {
__ movsxw(out, Address(obj, offset));
break;
}
case Primitive::kPrimChar: {
__ movzxw(out, Address(obj, offset));
break;
}
case Primitive::kPrimInt:
case Primitive::kPrimNot: {
__ movl(out, Address(obj, offset));
break;
}
case Primitive::kPrimLong: {
__ movq(out, Address(obj, offset));
break;
}
case Primitive::kPrimFloat:
case Primitive::kPrimDouble:
LOG(FATAL) << "Unimplemented register type " << instruction->GetType();
UNREACHABLE();
case Primitive::kPrimVoid:
LOG(FATAL) << "Unreachable type " << instruction->GetType();
UNREACHABLE();
}
}
void LocationsBuilderX86_64::VisitNullCheck(HNullCheck* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
locations->SetInAt(0, Location::Any());
if (instruction->HasUses()) {
locations->SetOut(Location::SameAsFirstInput());
}
}
void InstructionCodeGeneratorX86_64::VisitNullCheck(HNullCheck* instruction) {
SlowPathCodeX86_64* slow_path = new (GetGraph()->GetArena()) NullCheckSlowPathX86_64(instruction);
codegen_->AddSlowPath(slow_path);
LocationSummary* locations = instruction->GetLocations();
Location obj = locations->InAt(0);
if (obj.IsRegister()) {
__ cmpl(obj.As<CpuRegister>(), Immediate(0));
} else if (obj.IsStackSlot()) {
__ cmpl(Address(CpuRegister(RSP), obj.GetStackIndex()), Immediate(0));
} else {
DCHECK(obj.IsConstant()) << obj;
DCHECK_EQ(obj.GetConstant()->AsIntConstant()->GetValue(), 0);
__ jmp(slow_path->GetEntryLabel());
return;
}
__ j(kEqual, slow_path->GetEntryLabel());
}
void LocationsBuilderX86_64::VisitArrayGet(HArrayGet* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(
1, Location::RegisterOrConstant(instruction->InputAt(1)));
locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
}
void InstructionCodeGeneratorX86_64::VisitArrayGet(HArrayGet* instruction) {
LocationSummary* locations = instruction->GetLocations();
CpuRegister obj = locations->InAt(0).As<CpuRegister>();
Location index = locations->InAt(1);
switch (instruction->GetType()) {
case Primitive::kPrimBoolean: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(uint8_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movzxb(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset));
} else {
__ movzxb(out, Address(obj, index.As<CpuRegister>(), TIMES_1, data_offset));
}
break;
}
case Primitive::kPrimByte: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int8_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movsxb(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset));
} else {
__ movsxb(out, Address(obj, index.As<CpuRegister>(), TIMES_1, data_offset));
}
break;
}
case Primitive::kPrimShort: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int16_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movsxw(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset));
} else {
__ movsxw(out, Address(obj, index.As<CpuRegister>(), TIMES_2, data_offset));
}
break;
}
case Primitive::kPrimChar: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(uint16_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movzxw(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset));
} else {
__ movzxw(out, Address(obj, index.As<CpuRegister>(), TIMES_2, data_offset));
}
break;
}
case Primitive::kPrimInt:
case Primitive::kPrimNot: {
DCHECK_EQ(sizeof(mirror::HeapReference<mirror::Object>), sizeof(int32_t));
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movl(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset));
} else {
__ movl(out, Address(obj, index.As<CpuRegister>(), TIMES_4, data_offset));
}
break;
}
case Primitive::kPrimLong: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int64_t)).Uint32Value();
CpuRegister out = locations->Out().As<CpuRegister>();
if (index.IsConstant()) {
__ movq(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset));
} else {
__ movq(out, Address(obj, index.As<CpuRegister>(), TIMES_8, data_offset));
}
break;
}
case Primitive::kPrimFloat: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(float)).Uint32Value();
XmmRegister out = locations->Out().As<XmmRegister>();
if (index.IsConstant()) {
__ movss(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset));
} else {
__ movss(out, Address(obj, index.As<CpuRegister>(), TIMES_4, data_offset));
}
break;
}
case Primitive::kPrimDouble: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(double)).Uint32Value();
XmmRegister out = locations->Out().As<XmmRegister>();
if (index.IsConstant()) {
__ movsd(out, Address(obj,
(index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset));
} else {
__ movsd(out, Address(obj, index.As<CpuRegister>(), TIMES_8, data_offset));
}
break;
}
case Primitive::kPrimVoid:
LOG(FATAL) << "Unreachable type " << instruction->GetType();
UNREACHABLE();
}
}
void LocationsBuilderX86_64::VisitArraySet(HArraySet* instruction) {
Primitive::Type value_type = instruction->GetComponentType();
bool is_object = value_type == Primitive::kPrimNot;
LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(
instruction, is_object ? LocationSummary::kCall : LocationSummary::kNoCall);
if (is_object) {
InvokeRuntimeCallingConvention calling_convention;
locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
locations->SetInAt(2, Location::RegisterLocation(calling_convention.GetRegisterAt(2)));
} else {
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(
1, Location::RegisterOrConstant(instruction->InputAt(1)));
locations->SetInAt(2, Location::RequiresRegister());
if (value_type == Primitive::kPrimLong) {
locations->SetInAt(2, Location::RequiresRegister());
} else if (value_type == Primitive::kPrimFloat || value_type == Primitive::kPrimDouble) {
locations->SetInAt(2, Location::RequiresFpuRegister());
} else {
locations->SetInAt(2, Location::RegisterOrConstant(instruction->InputAt(2)));
}
}
}
void InstructionCodeGeneratorX86_64::VisitArraySet(HArraySet* instruction) {
LocationSummary* locations = instruction->GetLocations();
CpuRegister obj = locations->InAt(0).As<CpuRegister>();
Location index = locations->InAt(1);
Location value = locations->InAt(2);
Primitive::Type value_type = instruction->GetComponentType();
switch (value_type) {
case Primitive::kPrimBoolean:
case Primitive::kPrimByte: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(uint8_t)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_1) + data_offset;
if (value.IsRegister()) {
__ movb(Address(obj, offset), value.As<CpuRegister>());
} else {
__ movb(Address(obj, offset), Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
} else {
if (value.IsRegister()) {
__ movb(Address(obj, index.As<CpuRegister>(), TIMES_1, data_offset),
value.As<CpuRegister>());
} else {
__ movb(Address(obj, index.As<CpuRegister>(), TIMES_1, data_offset),
Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
}
break;
}
case Primitive::kPrimShort:
case Primitive::kPrimChar: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(uint16_t)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_2) + data_offset;
if (value.IsRegister()) {
__ movw(Address(obj, offset), value.As<CpuRegister>());
} else {
__ movw(Address(obj, offset), Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
} else {
if (value.IsRegister()) {
__ movw(Address(obj, index.As<CpuRegister>(), TIMES_2, data_offset),
value.As<CpuRegister>());
} else {
__ movw(Address(obj, index.As<CpuRegister>(), TIMES_2, data_offset),
Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
}
break;
}
case Primitive::kPrimInt: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int32_t)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
if (value.IsRegister()) {
__ movl(Address(obj, offset), value.As<CpuRegister>());
} else {
__ movl(Address(obj, offset), Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
} else {
if (value.IsRegister()) {
__ movl(Address(obj, index.As<CpuRegister>(), TIMES_4, data_offset),
value.As<CpuRegister>());
} else {
DCHECK(value.IsConstant()) << value;
__ movl(Address(obj, index.As<CpuRegister>(), TIMES_4, data_offset),
Immediate(value.GetConstant()->AsIntConstant()->GetValue()));
}
}
break;
}
case Primitive::kPrimNot: {
__ gs()->call(Address::Absolute(QUICK_ENTRYPOINT_OFFSET(kX86_64WordSize, pAputObject), true));
DCHECK(!codegen_->IsLeafMethod());
codegen_->RecordPcInfo(instruction, instruction->GetDexPc());
break;
}
case Primitive::kPrimLong: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(int64_t)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
DCHECK(value.IsRegister());
__ movq(Address(obj, offset), value.As<CpuRegister>());
} else {
DCHECK(value.IsRegister());
__ movq(Address(obj, index.As<CpuRegister>(), TIMES_8, data_offset),
value.As<CpuRegister>());
}
break;
}
case Primitive::kPrimFloat: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(float)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
DCHECK(value.IsFpuRegister());
__ movss(Address(obj, offset), value.As<XmmRegister>());
} else {
DCHECK(value.IsFpuRegister());
__ movss(Address(obj, index.As<CpuRegister>(), TIMES_4, data_offset),
value.As<XmmRegister>());
}
break;
}
case Primitive::kPrimDouble: {
uint32_t data_offset = mirror::Array::DataOffset(sizeof(double)).Uint32Value();
if (index.IsConstant()) {
size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
DCHECK(value.IsFpuRegister());
__ movsd(Address(obj, offset), value.As<XmmRegister>());
} else {
DCHECK(value.IsFpuRegister());
__ movsd(Address(obj, index.As<CpuRegister>(), TIMES_8, data_offset),
value.As<XmmRegister>());
}
break;
}
case Primitive::kPrimVoid:
LOG(FATAL) << "Unreachable type " << instruction->GetType();
UNREACHABLE();
}
}
void LocationsBuilderX86_64::VisitArrayLength(HArrayLength* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
}
void InstructionCodeGeneratorX86_64::VisitArrayLength(HArrayLength* instruction) {
LocationSummary* locations = instruction->GetLocations();
uint32_t offset = mirror::Array::LengthOffset().Uint32Value();
CpuRegister obj = locations->InAt(0).As<CpuRegister>();
CpuRegister out = locations->Out().As<CpuRegister>();
__ movl(out, Address(obj, offset));
}
void LocationsBuilderX86_64::VisitBoundsCheck(HBoundsCheck* instruction) {
LocationSummary* locations =
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
locations->SetInAt(0, Location::RequiresRegister());
locations->SetInAt(1, Location::RequiresRegister());
if (instruction->HasUses()) {
locations->SetOut(Location::SameAsFirstInput());
}
}
void InstructionCodeGeneratorX86_64::VisitBoundsCheck(HBoundsCheck* instruction) {
LocationSummary* locations = instruction->GetLocations();
SlowPathCodeX86_64* slow_path = new (GetGraph()->GetArena()) BoundsCheckSlowPathX86_64(
instruction, locations->InAt(0), locations->InAt(1));
codegen_->AddSlowPath(slow_path);
CpuRegister index = locations->InAt(0).As<CpuRegister>();
CpuRegister length = locations->InAt(1).As<CpuRegister>();
__ cmpl(index, length);
__ j(kAboveEqual, slow_path->GetEntryLabel());
}
void CodeGeneratorX86_64::MarkGCCard(CpuRegister temp,
CpuRegister card,
CpuRegister object,
CpuRegister value) {
Label is_null;
__ testl(value, value);
__ j(kEqual, &is_null);
__ gs()->movq(card, Address::Absolute(
Thread::CardTableOffset<kX86_64WordSize>().Int32Value(), true));
__ movq(temp, object);
__ shrq(temp, Immediate(gc::accounting::CardTable::kCardShift));
__ movb(Address(temp, card, TIMES_1, 0), card);
__ Bind(&is_null);
}
void LocationsBuilderX86_64::VisitTemporary(HTemporary* temp) {
temp->SetLocations(nullptr);
}
void InstructionCodeGeneratorX86_64::VisitTemporary(HTemporary* temp) {
// Nothing to do, this is driven by the code generator.
}
void LocationsBuilderX86_64::VisitParallelMove(HParallelMove* instruction) {
LOG(FATAL) << "Unimplemented";
}
void InstructionCodeGeneratorX86_64::VisitParallelMove(HParallelMove* instruction) {
codegen_->GetMoveResolver()->EmitNativeCode(instruction);
}
void LocationsBuilderX86_64::VisitSuspendCheck(HSuspendCheck* instruction) {
new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnSlowPath);
}
void InstructionCodeGeneratorX86_64::VisitSuspendCheck(HSuspendCheck* instruction) {
HBasicBlock* block = instruction->GetBlock();
if (block->GetLoopInformation() != nullptr) {
DCHECK(block->GetLoopInformation()->GetSuspendCheck() == instruction);
// The back edge will generate the suspend check.
return;
}
if (block->IsEntryBlock() && instruction->GetNext()->IsGoto()) {
// The goto will generate the suspend check.
return;
}
GenerateSuspendCheck(instruction, nullptr);
}
void InstructionCodeGeneratorX86_64::GenerateSuspendCheck(HSuspendCheck* instruction,
HBasicBlock* successor) {
SuspendCheckSlowPathX86_64* slow_path =
new (GetGraph()->GetArena()) SuspendCheckSlowPathX86_64(instruction, successor);
codegen_->AddSlowPath(slow_path);
__ gs()->cmpw(Address::Absolute(
Thread::ThreadFlagsOffset<kX86_64WordSize>().Int32Value(), true), Immediate(0));
if (successor == nullptr) {
__ j(kNotEqual, slow_path->GetEntryLabel());
__ Bind(slow_path->GetReturnLabel());
} else {
__ j(kEqual, codegen_->GetLabelOf(successor));
__ jmp(slow_path->GetEntryLabel());
}
}
X86_64Assembler* ParallelMoveResolverX86_64::GetAssembler() const {
return codegen_->GetAssembler();
}
void ParallelMoveResolverX86_64::EmitMove(size_t index) {
MoveOperands* move = moves_.Get(index);
Location source = move->GetSource();
Location destination = move->GetDestination();
if (source.IsRegister()) {
if (destination.IsRegister()) {
__ movq(destination.As<CpuRegister>(), source.As<CpuRegister>());
} else if (destination.IsStackSlot()) {
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<CpuRegister>());
} else {
DCHECK(destination.IsDoubleStackSlot());
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<CpuRegister>());
}
} else if (source.IsStackSlot()) {
if (destination.IsRegister()) {
__ movl(destination.As<CpuRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
} else if (destination.IsFpuRegister()) {
__ movss(destination.As<XmmRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
} else {
DCHECK(destination.IsStackSlot());
__ movl(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex()));
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
} else if (source.IsDoubleStackSlot()) {
if (destination.IsRegister()) {
__ movq(destination.As<CpuRegister>(),
Address(CpuRegister(RSP), source.GetStackIndex()));
} else if (destination.IsFpuRegister()) {
__ movsd(destination.As<XmmRegister>(), Address(CpuRegister(RSP), source.GetStackIndex()));
} else {
DCHECK(destination.IsDoubleStackSlot()) << destination;
__ movq(CpuRegister(TMP), Address(CpuRegister(RSP), source.GetStackIndex()));
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
} else if (source.IsConstant()) {
HConstant* constant = source.GetConstant();
if (constant->IsIntConstant()) {
Immediate imm(constant->AsIntConstant()->GetValue());
if (destination.IsRegister()) {
__ movl(destination.As<CpuRegister>(), imm);
} else {
DCHECK(destination.IsStackSlot()) << destination;
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), imm);
}
} else if (constant->IsLongConstant()) {
int64_t value = constant->AsLongConstant()->GetValue();
if (destination.IsRegister()) {
__ movq(destination.As<CpuRegister>(), Immediate(value));
} else {
DCHECK(destination.IsDoubleStackSlot()) << destination;
__ movq(CpuRegister(TMP), Immediate(value));
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
} else if (constant->IsFloatConstant()) {
Immediate imm(bit_cast<float, int32_t>(constant->AsFloatConstant()->GetValue()));
if (destination.IsFpuRegister()) {
__ movl(CpuRegister(TMP), imm);
__ movd(destination.As<XmmRegister>(), CpuRegister(TMP));
} else {
DCHECK(destination.IsStackSlot()) << destination;
__ movl(Address(CpuRegister(RSP), destination.GetStackIndex()), imm);
}
} else {
DCHECK(constant->IsDoubleConstant()) << constant->DebugName();
Immediate imm(bit_cast<double, int64_t>(constant->AsDoubleConstant()->GetValue()));
if (destination.IsFpuRegister()) {
__ movq(CpuRegister(TMP), imm);
__ movd(destination.As<XmmRegister>(), CpuRegister(TMP));
} else {
DCHECK(destination.IsDoubleStackSlot()) << destination;
__ movq(CpuRegister(TMP), imm);
__ movq(Address(CpuRegister(RSP), destination.GetStackIndex()), CpuRegister(TMP));
}
}
} else if (source.IsFpuRegister()) {
if (destination.IsFpuRegister()) {
__ movaps(destination.As<XmmRegister>(), source.As<XmmRegister>());
} else if (destination.IsStackSlot()) {
__ movss(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<XmmRegister>());
} else {
DCHECK(destination.IsDoubleStackSlot());
__ movsd(Address(CpuRegister(RSP), destination.GetStackIndex()),
source.As<XmmRegister>());
}
}
}
void ParallelMoveResolverX86_64::Exchange32(CpuRegister reg, int mem) {
__ movl(CpuRegister(TMP), Address(CpuRegister(RSP), mem));
__ movl(Address(CpuRegister(RSP), mem), reg);
__ movl(reg, CpuRegister(TMP));
}
void ParallelMoveResolverX86_64::Exchange32(int mem1, int mem2) {
ScratchRegisterScope ensure_scratch(
this, TMP, RAX, codegen_->GetNumberOfCoreRegisters());
int stack_offset = ensure_scratch.IsSpilled() ? kX86_64WordSize : 0;
__ movl(CpuRegister(TMP), Address(CpuRegister(RSP), mem1 + stack_offset));
__ movl(CpuRegister(ensure_scratch.GetRegister()),
Address(CpuRegister(RSP), mem2 + stack_offset));
__ movl(Address(CpuRegister(RSP), mem2 + stack_offset), CpuRegister(TMP));
__ movl(Address(CpuRegister(RSP), mem1 + stack_offset),
CpuRegister(ensure_scratch.GetRegister()));
}
void ParallelMoveResolverX86_64::Exchange64(CpuRegister reg, int mem) {
__ movq(CpuRegister(TMP), Address(CpuRegister(RSP), mem));
__ movq(Address(CpuRegister(RSP), mem), reg);
__ movq(reg, CpuRegister(TMP));
}
void ParallelMoveResolverX86_64::Exchange64(int mem1, int mem2) {
ScratchRegisterScope ensure_scratch(
this, TMP, RAX, codegen_->GetNumberOfCoreRegisters());
int stack_offset = ensure_scratch.IsSpilled() ? kX86_64WordSize : 0;
__ movq(CpuRegister(TMP), Address(CpuRegister(RSP), mem1 + stack_offset));
__ movq(CpuRegister(ensure_scratch.GetRegister()),
Address(CpuRegister(RSP), mem2 + stack_offset));
__ movq(Address(CpuRegister(RSP), mem2 + stack_offset), CpuRegister(TMP));
__ movq(Address(CpuRegister(RSP), mem1 + stack_offset),
CpuRegister(ensure_scratch.GetRegister()));
}
void ParallelMoveResolverX86_64::Exchange32(XmmRegister reg, int mem) {
__ movl(CpuRegister(TMP), Address(CpuRegister(RSP), mem));
__ movss(Address(CpuRegister(RSP), mem), reg);
__ movd(reg, CpuRegister(TMP));
}
void ParallelMoveResolverX86_64::Exchange64(XmmRegister reg, int mem) {
__ movq(CpuRegister(TMP), Address(CpuRegister(RSP), mem));
__ movsd(Address(CpuRegister(RSP), mem), reg);
__ movd(reg, CpuRegister(TMP));
}
void ParallelMoveResolverX86_64::EmitSwap(size_t index) {
MoveOperands* move = moves_.Get(index);
Location source = move->GetSource();
Location destination = move->GetDestination();
if (source.IsRegister() && destination.IsRegister()) {
__ xchgq(destination.As<CpuRegister>(), source.As<CpuRegister>());
} else if (source.IsRegister() && destination.IsStackSlot()) {
Exchange32(source.As<CpuRegister>(), destination.GetStackIndex());
} else if (source.IsStackSlot() && destination.IsRegister()) {
Exchange32(destination.As<CpuRegister>(), source.GetStackIndex());
} else if (source.IsStackSlot() && destination.IsStackSlot()) {
Exchange32(destination.GetStackIndex(), source.GetStackIndex());
} else if (source.IsRegister() && destination.IsDoubleStackSlot()) {
Exchange64(source.As<CpuRegister>(), destination.GetStackIndex());
} else if (source.IsDoubleStackSlot() && destination.IsRegister()) {
Exchange64(destination.As<CpuRegister>(), source.GetStackIndex());
} else if (source.IsDoubleStackSlot() && destination.IsDoubleStackSlot()) {
Exchange64(destination.GetStackIndex(), source.GetStackIndex());
} else if (source.IsFpuRegister() && destination.IsFpuRegister()) {
__ movd(CpuRegister(TMP), source.As<XmmRegister>());
__ movaps(source.As<XmmRegister>(), destination.As<XmmRegister>());
__ movd(destination.As<XmmRegister>(), CpuRegister(TMP));
} else if (source.IsFpuRegister() && destination.IsStackSlot()) {
Exchange32(source.As<XmmRegister>(), destination.GetStackIndex());
} else if (source.IsStackSlot() && destination.IsFpuRegister()) {
Exchange32(destination.As<XmmRegister>(), source.GetStackIndex());
} else if (source.IsFpuRegister() && destination.IsDoubleStackSlot()) {
Exchange64(source.As<XmmRegister>(), destination.GetStackIndex());
} else if (source.IsDoubleStackSlot() && destination.IsFpuRegister()) {
Exchange64(destination.As<XmmRegister>(), source.GetStackIndex());
} else {
LOG(FATAL) << "Unimplemented swap between " << source << " and " << destination;
}
}
void ParallelMoveResolverX86_64::SpillScratch(int reg) {
__ pushq(CpuRegister(reg));
}
void ParallelMoveResolverX86_64::RestoreScratch(int reg) {
__ popq(CpuRegister(reg));
}
} // namespace x86_64
} // namespace art