| /* |
| * 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_arm64.h" |
| |
| #include "entrypoints/quick/quick_entrypoints.h" |
| #include "entrypoints/quick/quick_entrypoints_enum.h" |
| #include "gc/accounting/card_table.h" |
| #include "mirror/array-inl.h" |
| #include "mirror/art_method.h" |
| #include "mirror/class.h" |
| #include "offsets.h" |
| #include "thread.h" |
| #include "utils/arm64/assembler_arm64.h" |
| #include "utils/assembler.h" |
| #include "utils/stack_checks.h" |
| |
| |
| using namespace vixl; // NOLINT(build/namespaces) |
| |
| #ifdef __ |
| #error "ARM64 Codegen VIXL macro-assembler macro already defined." |
| #endif |
| |
| |
| namespace art { |
| |
| namespace arm64 { |
| |
| // TODO: Tune the use of Load-Acquire, Store-Release vs Data Memory Barriers. |
| // For now we prefer the use of load-acquire, store-release over explicit memory barriers. |
| static constexpr bool kUseAcquireRelease = true; |
| static constexpr size_t kHeapRefSize = sizeof(mirror::HeapReference<mirror::Object>); |
| static constexpr int kCurrentMethodStackOffset = 0; |
| |
| namespace { |
| |
| bool IsFPType(Primitive::Type type) { |
| return type == Primitive::kPrimFloat || type == Primitive::kPrimDouble; |
| } |
| |
| bool IsIntegralType(Primitive::Type type) { |
| switch (type) { |
| case Primitive::kPrimByte: |
| case Primitive::kPrimChar: |
| case Primitive::kPrimShort: |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| bool Is64BitType(Primitive::Type type) { |
| return type == Primitive::kPrimLong || type == Primitive::kPrimDouble; |
| } |
| |
| // Convenience helpers to ease conversion to and from VIXL operands. |
| static_assert((SP == 31) && (WSP == 31) && (XZR == 32) && (WZR == 32), |
| "Unexpected values for register codes."); |
| |
| int VIXLRegCodeFromART(int code) { |
| if (code == SP) { |
| return vixl::kSPRegInternalCode; |
| } |
| if (code == XZR) { |
| return vixl::kZeroRegCode; |
| } |
| return code; |
| } |
| |
| int ARTRegCodeFromVIXL(int code) { |
| if (code == vixl::kSPRegInternalCode) { |
| return SP; |
| } |
| if (code == vixl::kZeroRegCode) { |
| return XZR; |
| } |
| return code; |
| } |
| |
| Register XRegisterFrom(Location location) { |
| DCHECK(location.IsRegister()); |
| return Register::XRegFromCode(VIXLRegCodeFromART(location.reg())); |
| } |
| |
| Register WRegisterFrom(Location location) { |
| DCHECK(location.IsRegister()); |
| return Register::WRegFromCode(VIXLRegCodeFromART(location.reg())); |
| } |
| |
| Register RegisterFrom(Location location, Primitive::Type type) { |
| DCHECK(type != Primitive::kPrimVoid && !IsFPType(type)); |
| return type == Primitive::kPrimLong ? XRegisterFrom(location) : WRegisterFrom(location); |
| } |
| |
| Register OutputRegister(HInstruction* instr) { |
| return RegisterFrom(instr->GetLocations()->Out(), instr->GetType()); |
| } |
| |
| Register InputRegisterAt(HInstruction* instr, int input_index) { |
| return RegisterFrom(instr->GetLocations()->InAt(input_index), |
| instr->InputAt(input_index)->GetType()); |
| } |
| |
| FPRegister DRegisterFrom(Location location) { |
| DCHECK(location.IsFpuRegister()); |
| return FPRegister::DRegFromCode(location.reg()); |
| } |
| |
| FPRegister SRegisterFrom(Location location) { |
| DCHECK(location.IsFpuRegister()); |
| return FPRegister::SRegFromCode(location.reg()); |
| } |
| |
| FPRegister FPRegisterFrom(Location location, Primitive::Type type) { |
| DCHECK(IsFPType(type)); |
| return type == Primitive::kPrimDouble ? DRegisterFrom(location) : SRegisterFrom(location); |
| } |
| |
| FPRegister OutputFPRegister(HInstruction* instr) { |
| return FPRegisterFrom(instr->GetLocations()->Out(), instr->GetType()); |
| } |
| |
| FPRegister InputFPRegisterAt(HInstruction* instr, int input_index) { |
| return FPRegisterFrom(instr->GetLocations()->InAt(input_index), |
| instr->InputAt(input_index)->GetType()); |
| } |
| |
| CPURegister CPURegisterFrom(Location location, Primitive::Type type) { |
| return IsFPType(type) ? CPURegister(FPRegisterFrom(location, type)) |
| : CPURegister(RegisterFrom(location, type)); |
| } |
| |
| CPURegister OutputCPURegister(HInstruction* instr) { |
| return IsFPType(instr->GetType()) ? static_cast<CPURegister>(OutputFPRegister(instr)) |
| : static_cast<CPURegister>(OutputRegister(instr)); |
| } |
| |
| CPURegister InputCPURegisterAt(HInstruction* instr, int index) { |
| return IsFPType(instr->InputAt(index)->GetType()) |
| ? static_cast<CPURegister>(InputFPRegisterAt(instr, index)) |
| : static_cast<CPURegister>(InputRegisterAt(instr, index)); |
| } |
| |
| int64_t Int64ConstantFrom(Location location) { |
| HConstant* instr = location.GetConstant(); |
| return instr->IsIntConstant() ? instr->AsIntConstant()->GetValue() |
| : instr->AsLongConstant()->GetValue(); |
| } |
| |
| Operand OperandFrom(Location location, Primitive::Type type) { |
| if (location.IsRegister()) { |
| return Operand(RegisterFrom(location, type)); |
| } else { |
| return Operand(Int64ConstantFrom(location)); |
| } |
| } |
| |
| Operand InputOperandAt(HInstruction* instr, int input_index) { |
| return OperandFrom(instr->GetLocations()->InAt(input_index), |
| instr->InputAt(input_index)->GetType()); |
| } |
| |
| MemOperand StackOperandFrom(Location location) { |
| return MemOperand(sp, location.GetStackIndex()); |
| } |
| |
| MemOperand HeapOperand(const Register& base, size_t offset = 0) { |
| // A heap reference must be 32bit, so fit in a W register. |
| DCHECK(base.IsW()); |
| return MemOperand(base.X(), offset); |
| } |
| |
| MemOperand HeapOperand(const Register& base, Offset offset) { |
| return HeapOperand(base, offset.SizeValue()); |
| } |
| |
| MemOperand HeapOperandFrom(Location location, Offset offset) { |
| return HeapOperand(RegisterFrom(location, Primitive::kPrimNot), offset); |
| } |
| |
| Location LocationFrom(const Register& reg) { |
| return Location::RegisterLocation(ARTRegCodeFromVIXL(reg.code())); |
| } |
| |
| Location LocationFrom(const FPRegister& fpreg) { |
| return Location::FpuRegisterLocation(fpreg.code()); |
| } |
| |
| } // namespace |
| |
| inline Condition ARM64Condition(IfCondition cond) { |
| switch (cond) { |
| case kCondEQ: return eq; |
| case kCondNE: return ne; |
| case kCondLT: return lt; |
| case kCondLE: return le; |
| case kCondGT: return gt; |
| case kCondGE: return ge; |
| default: |
| LOG(FATAL) << "Unknown if condition"; |
| } |
| return nv; // Unreachable. |
| } |
| |
| Location ARM64ReturnLocation(Primitive::Type return_type) { |
| DCHECK_NE(return_type, Primitive::kPrimVoid); |
| // Note that in practice, `LocationFrom(x0)` and `LocationFrom(w0)` create the |
| // same Location object, and so do `LocationFrom(d0)` and `LocationFrom(s0)`, |
| // but we use the exact registers for clarity. |
| if (return_type == Primitive::kPrimFloat) { |
| return LocationFrom(s0); |
| } else if (return_type == Primitive::kPrimDouble) { |
| return LocationFrom(d0); |
| } else if (return_type == Primitive::kPrimLong) { |
| return LocationFrom(x0); |
| } else { |
| return LocationFrom(w0); |
| } |
| } |
| |
| static const Register kRuntimeParameterCoreRegisters[] = { x0, x1, x2, x3, x4, x5, x6, x7 }; |
| static constexpr size_t kRuntimeParameterCoreRegistersLength = |
| arraysize(kRuntimeParameterCoreRegisters); |
| static const FPRegister kRuntimeParameterFpuRegisters[] = { d0, d1, d2, d3, d4, d5, d6, d7 }; |
| static constexpr size_t kRuntimeParameterFpuRegistersLength = |
| arraysize(kRuntimeParameterCoreRegisters); |
| |
| class InvokeRuntimeCallingConvention : public CallingConvention<Register, FPRegister> { |
| public: |
| static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters); |
| |
| InvokeRuntimeCallingConvention() |
| : CallingConvention(kRuntimeParameterCoreRegisters, |
| kRuntimeParameterCoreRegistersLength, |
| kRuntimeParameterFpuRegisters, |
| kRuntimeParameterFpuRegistersLength) {} |
| |
| Location GetReturnLocation(Primitive::Type return_type); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention); |
| }; |
| |
| Location InvokeRuntimeCallingConvention::GetReturnLocation(Primitive::Type return_type) { |
| return ARM64ReturnLocation(return_type); |
| } |
| |
| #define __ down_cast<CodeGeneratorARM64*>(codegen)->GetVIXLAssembler()-> |
| #define QUICK_ENTRY_POINT(x) QUICK_ENTRYPOINT_OFFSET(kArm64WordSize, x).Int32Value() |
| |
| class SlowPathCodeARM64 : public SlowPathCode { |
| public: |
| SlowPathCodeARM64() : entry_label_(), exit_label_() {} |
| |
| vixl::Label* GetEntryLabel() { return &entry_label_; } |
| vixl::Label* GetExitLabel() { return &exit_label_; } |
| |
| private: |
| vixl::Label entry_label_; |
| vixl::Label exit_label_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SlowPathCodeARM64); |
| }; |
| |
| class BoundsCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| BoundsCheckSlowPathARM64(HBoundsCheck* instruction, |
| Location index_location, |
| Location length_location) |
| : instruction_(instruction), |
| index_location_(index_location), |
| length_location_(length_location) {} |
| |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| __ Bind(GetEntryLabel()); |
| // We're moving two locations to locations that could overlap, so we need a parallel |
| // move resolver. |
| InvokeRuntimeCallingConvention calling_convention; |
| codegen->EmitParallelMoves( |
| index_location_, LocationFrom(calling_convention.GetRegisterAt(0)), |
| length_location_, LocationFrom(calling_convention.GetRegisterAt(1))); |
| arm64_codegen->InvokeRuntime( |
| QUICK_ENTRY_POINT(pThrowArrayBounds), instruction_, instruction_->GetDexPc()); |
| CheckEntrypointTypes<kQuickThrowArrayBounds, void, int32_t, int32_t>(); |
| } |
| |
| private: |
| HBoundsCheck* const instruction_; |
| const Location index_location_; |
| const Location length_location_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BoundsCheckSlowPathARM64); |
| }; |
| |
| class DivZeroCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| explicit DivZeroCheckSlowPathARM64(HDivZeroCheck* instruction) : instruction_(instruction) {} |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| __ Bind(GetEntryLabel()); |
| arm64_codegen->InvokeRuntime( |
| QUICK_ENTRY_POINT(pThrowDivZero), instruction_, instruction_->GetDexPc()); |
| CheckEntrypointTypes<kQuickThrowDivZero, void, void>(); |
| } |
| |
| private: |
| HDivZeroCheck* const instruction_; |
| DISALLOW_COPY_AND_ASSIGN(DivZeroCheckSlowPathARM64); |
| }; |
| |
| class LoadClassSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| LoadClassSlowPathARM64(HLoadClass* cls, |
| HInstruction* at, |
| uint32_t dex_pc, |
| bool do_clinit) |
| : cls_(cls), at_(at), dex_pc_(dex_pc), do_clinit_(do_clinit) { |
| DCHECK(at->IsLoadClass() || at->IsClinitCheck()); |
| } |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| LocationSummary* locations = at_->GetLocations(); |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| |
| __ Bind(GetEntryLabel()); |
| codegen->SaveLiveRegisters(locations); |
| |
| InvokeRuntimeCallingConvention calling_convention; |
| __ Mov(calling_convention.GetRegisterAt(0).W(), cls_->GetTypeIndex()); |
| arm64_codegen->LoadCurrentMethod(calling_convention.GetRegisterAt(1).W()); |
| int32_t entry_point_offset = do_clinit_ ? QUICK_ENTRY_POINT(pInitializeStaticStorage) |
| : QUICK_ENTRY_POINT(pInitializeType); |
| arm64_codegen->InvokeRuntime(entry_point_offset, at_, dex_pc_); |
| if (do_clinit_) { |
| CheckEntrypointTypes<kQuickInitializeStaticStorage, void*, uint32_t, mirror::ArtMethod*>(); |
| } else { |
| CheckEntrypointTypes<kQuickInitializeType, void*, uint32_t, mirror::ArtMethod*>(); |
| } |
| |
| // Move the class to the desired location. |
| Location out = locations->Out(); |
| if (out.IsValid()) { |
| DCHECK(out.IsRegister() && !locations->GetLiveRegisters()->ContainsCoreRegister(out.reg())); |
| Primitive::Type type = at_->GetType(); |
| arm64_codegen->MoveLocation(out, calling_convention.GetReturnLocation(type), type); |
| } |
| |
| codegen->RestoreLiveRegisters(locations); |
| __ B(GetExitLabel()); |
| } |
| |
| private: |
| // The class this slow path will load. |
| HLoadClass* const cls_; |
| |
| // The instruction where this slow path is happening. |
| // (Might be the load class or an initialization check). |
| HInstruction* const at_; |
| |
| // The dex PC of `at_`. |
| const uint32_t dex_pc_; |
| |
| // Whether to initialize the class. |
| const bool do_clinit_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LoadClassSlowPathARM64); |
| }; |
| |
| class LoadStringSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| explicit LoadStringSlowPathARM64(HLoadString* instruction) : instruction_(instruction) {} |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| LocationSummary* locations = instruction_->GetLocations(); |
| DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg())); |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| |
| __ Bind(GetEntryLabel()); |
| codegen->SaveLiveRegisters(locations); |
| |
| InvokeRuntimeCallingConvention calling_convention; |
| arm64_codegen->LoadCurrentMethod(calling_convention.GetRegisterAt(1).W()); |
| __ Mov(calling_convention.GetRegisterAt(0).W(), instruction_->GetStringIndex()); |
| arm64_codegen->InvokeRuntime( |
| QUICK_ENTRY_POINT(pResolveString), instruction_, instruction_->GetDexPc()); |
| CheckEntrypointTypes<kQuickResolveString, void*, uint32_t, mirror::ArtMethod*>(); |
| Primitive::Type type = instruction_->GetType(); |
| arm64_codegen->MoveLocation(locations->Out(), calling_convention.GetReturnLocation(type), type); |
| |
| codegen->RestoreLiveRegisters(locations); |
| __ B(GetExitLabel()); |
| } |
| |
| private: |
| HLoadString* const instruction_; |
| |
| DISALLOW_COPY_AND_ASSIGN(LoadStringSlowPathARM64); |
| }; |
| |
| class NullCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| explicit NullCheckSlowPathARM64(HNullCheck* instr) : instruction_(instr) {} |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| __ Bind(GetEntryLabel()); |
| arm64_codegen->InvokeRuntime( |
| QUICK_ENTRY_POINT(pThrowNullPointer), instruction_, instruction_->GetDexPc()); |
| CheckEntrypointTypes<kQuickThrowNullPointer, void, void>(); |
| } |
| |
| private: |
| HNullCheck* const instruction_; |
| |
| DISALLOW_COPY_AND_ASSIGN(NullCheckSlowPathARM64); |
| }; |
| |
| class StackOverflowCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| StackOverflowCheckSlowPathARM64() {} |
| |
| virtual void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| __ Bind(GetEntryLabel()); |
| arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pThrowStackOverflow), nullptr, 0); |
| CheckEntrypointTypes<kQuickThrowStackOverflow, void, void*>(); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(StackOverflowCheckSlowPathARM64); |
| }; |
| |
| class SuspendCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| explicit SuspendCheckSlowPathARM64(HSuspendCheck* instruction, |
| HBasicBlock* successor) |
| : instruction_(instruction), successor_(successor) {} |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| __ Bind(GetEntryLabel()); |
| codegen->SaveLiveRegisters(instruction_->GetLocations()); |
| arm64_codegen->InvokeRuntime( |
| QUICK_ENTRY_POINT(pTestSuspend), instruction_, instruction_->GetDexPc()); |
| CheckEntrypointTypes<kQuickTestSuspend, void, void>(); |
| codegen->RestoreLiveRegisters(instruction_->GetLocations()); |
| if (successor_ == nullptr) { |
| __ B(GetReturnLabel()); |
| } else { |
| __ B(arm64_codegen->GetLabelOf(successor_)); |
| } |
| } |
| |
| vixl::Label* GetReturnLabel() { |
| DCHECK(successor_ == nullptr); |
| return &return_label_; |
| } |
| |
| private: |
| HSuspendCheck* const instruction_; |
| // If not null, the block to branch to after the suspend check. |
| HBasicBlock* const successor_; |
| |
| // If `successor_` is null, the label to branch to after the suspend check. |
| vixl::Label return_label_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SuspendCheckSlowPathARM64); |
| }; |
| |
| class TypeCheckSlowPathARM64 : public SlowPathCodeARM64 { |
| public: |
| TypeCheckSlowPathARM64(HInstruction* instruction, |
| Location class_to_check, |
| Location object_class, |
| uint32_t dex_pc) |
| : instruction_(instruction), |
| class_to_check_(class_to_check), |
| object_class_(object_class), |
| dex_pc_(dex_pc) {} |
| |
| void EmitNativeCode(CodeGenerator* codegen) OVERRIDE { |
| LocationSummary* locations = instruction_->GetLocations(); |
| DCHECK(instruction_->IsCheckCast() |
| || !locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg())); |
| CodeGeneratorARM64* arm64_codegen = down_cast<CodeGeneratorARM64*>(codegen); |
| |
| __ Bind(GetEntryLabel()); |
| codegen->SaveLiveRegisters(locations); |
| |
| // We're moving two locations to locations that could overlap, so we need a parallel |
| // move resolver. |
| InvokeRuntimeCallingConvention calling_convention; |
| codegen->EmitParallelMoves( |
| class_to_check_, LocationFrom(calling_convention.GetRegisterAt(0)), |
| object_class_, LocationFrom(calling_convention.GetRegisterAt(1))); |
| |
| if (instruction_->IsInstanceOf()) { |
| arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pInstanceofNonTrivial), instruction_, dex_pc_); |
| Primitive::Type ret_type = instruction_->GetType(); |
| Location ret_loc = calling_convention.GetReturnLocation(ret_type); |
| arm64_codegen->MoveLocation(locations->Out(), ret_loc, ret_type); |
| CheckEntrypointTypes<kQuickInstanceofNonTrivial, uint32_t, |
| const mirror::Class*, const mirror::Class*>(); |
| } else { |
| DCHECK(instruction_->IsCheckCast()); |
| arm64_codegen->InvokeRuntime(QUICK_ENTRY_POINT(pCheckCast), instruction_, dex_pc_); |
| CheckEntrypointTypes<kQuickCheckCast, void, const mirror::Class*, const mirror::Class*>(); |
| } |
| |
| codegen->RestoreLiveRegisters(locations); |
| __ B(GetExitLabel()); |
| } |
| |
| private: |
| HInstruction* const instruction_; |
| const Location class_to_check_; |
| const Location object_class_; |
| uint32_t dex_pc_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TypeCheckSlowPathARM64); |
| }; |
| |
| #undef __ |
| |
| Location InvokeDexCallingConventionVisitor::GetNextLocation(Primitive::Type type) { |
| Location next_location; |
| if (type == Primitive::kPrimVoid) { |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| |
| if (IsFPType(type) && (fp_index_ < calling_convention.GetNumberOfFpuRegisters())) { |
| next_location = LocationFrom(calling_convention.GetFpuRegisterAt(fp_index_++)); |
| } else if (!IsFPType(type) && (gp_index_ < calling_convention.GetNumberOfRegisters())) { |
| next_location = LocationFrom(calling_convention.GetRegisterAt(gp_index_++)); |
| } else { |
| size_t stack_offset = calling_convention.GetStackOffsetOf(stack_index_); |
| next_location = Is64BitType(type) ? Location::DoubleStackSlot(stack_offset) |
| : Location::StackSlot(stack_offset); |
| } |
| |
| // Space on the stack is reserved for all arguments. |
| stack_index_ += Is64BitType(type) ? 2 : 1; |
| return next_location; |
| } |
| |
| CodeGeneratorARM64::CodeGeneratorARM64(HGraph* graph, const CompilerOptions& compiler_options) |
| : CodeGenerator(graph, |
| kNumberOfAllocatableRegisters, |
| kNumberOfAllocatableFPRegisters, |
| kNumberOfAllocatableRegisterPairs, |
| 0, |
| 0, |
| compiler_options), |
| block_labels_(nullptr), |
| location_builder_(graph, this), |
| instruction_visitor_(graph, this), |
| move_resolver_(graph->GetArena(), this) {} |
| |
| #undef __ |
| #define __ GetVIXLAssembler()-> |
| |
| void CodeGeneratorARM64::Finalize(CodeAllocator* allocator) { |
| // Ensure we emit the literal pool. |
| __ FinalizeCode(); |
| CodeGenerator::Finalize(allocator); |
| } |
| |
| void ParallelMoveResolverARM64::EmitMove(size_t index) { |
| MoveOperands* move = moves_.Get(index); |
| codegen_->MoveLocation(move->GetDestination(), move->GetSource()); |
| } |
| |
| void ParallelMoveResolverARM64::EmitSwap(size_t index) { |
| MoveOperands* move = moves_.Get(index); |
| codegen_->SwapLocations(move->GetDestination(), move->GetSource()); |
| } |
| |
| void ParallelMoveResolverARM64::RestoreScratch(int reg) { |
| __ Pop(Register(VIXLRegCodeFromART(reg), kXRegSize)); |
| } |
| |
| void ParallelMoveResolverARM64::SpillScratch(int reg) { |
| __ Push(Register(VIXLRegCodeFromART(reg), kXRegSize)); |
| } |
| |
| void CodeGeneratorARM64::GenerateFrameEntry() { |
| bool do_overflow_check = FrameNeedsStackCheck(GetFrameSize(), kArm64) || !IsLeafMethod(); |
| if (do_overflow_check) { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register temp = temps.AcquireX(); |
| if (GetCompilerOptions().GetImplicitStackOverflowChecks()) { |
| __ Add(temp, sp, -static_cast<int32_t>(GetStackOverflowReservedBytes(kArm64))); |
| __ Ldr(wzr, MemOperand(temp, 0)); |
| RecordPcInfo(nullptr, 0); |
| } else { |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) StackOverflowCheckSlowPathARM64(); |
| AddSlowPath(slow_path); |
| |
| __ Ldr(temp, MemOperand(tr, Thread::StackEndOffset<kArm64WordSize>().Int32Value())); |
| __ Cmp(sp, temp); |
| __ B(lo, slow_path->GetEntryLabel()); |
| } |
| } |
| |
| CPURegList preserved_regs = GetFramePreservedRegisters(); |
| int frame_size = GetFrameSize(); |
| core_spill_mask_ |= preserved_regs.list(); |
| |
| __ Str(w0, MemOperand(sp, -frame_size, PreIndex)); |
| __ PokeCPURegList(preserved_regs, frame_size - preserved_regs.TotalSizeInBytes()); |
| |
| // Stack layout: |
| // sp[frame_size - 8] : lr. |
| // ... : other preserved registers. |
| // sp[frame_size - regs_size]: first preserved register. |
| // ... : reserved frame space. |
| // sp[0] : current method. |
| } |
| |
| void CodeGeneratorARM64::GenerateFrameExit() { |
| int frame_size = GetFrameSize(); |
| CPURegList preserved_regs = GetFramePreservedRegisters(); |
| __ PeekCPURegList(preserved_regs, frame_size - preserved_regs.TotalSizeInBytes()); |
| __ Drop(frame_size); |
| } |
| |
| void CodeGeneratorARM64::Bind(HBasicBlock* block) { |
| __ Bind(GetLabelOf(block)); |
| } |
| |
| void CodeGeneratorARM64::Move(HInstruction* instruction, |
| Location location, |
| HInstruction* move_for) { |
| LocationSummary* locations = instruction->GetLocations(); |
| if (locations != nullptr && locations->Out().Equals(location)) { |
| return; |
| } |
| |
| Primitive::Type type = instruction->GetType(); |
| DCHECK_NE(type, Primitive::kPrimVoid); |
| |
| if (instruction->IsIntConstant() || instruction->IsLongConstant()) { |
| int64_t value = instruction->IsIntConstant() ? instruction->AsIntConstant()->GetValue() |
| : instruction->AsLongConstant()->GetValue(); |
| if (location.IsRegister()) { |
| Register dst = RegisterFrom(location, type); |
| DCHECK((instruction->IsIntConstant() && dst.Is32Bits()) || |
| (instruction->IsLongConstant() && dst.Is64Bits())); |
| __ Mov(dst, value); |
| } else { |
| DCHECK(location.IsStackSlot() || location.IsDoubleStackSlot()); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register temp = instruction->IsIntConstant() ? temps.AcquireW() : temps.AcquireX(); |
| __ Mov(temp, value); |
| __ Str(temp, StackOperandFrom(location)); |
| } |
| } else if (instruction->IsTemporary()) { |
| Location temp_location = GetTemporaryLocation(instruction->AsTemporary()); |
| MoveLocation(location, temp_location, type); |
| } else if (instruction->IsLoadLocal()) { |
| uint32_t stack_slot = GetStackSlot(instruction->AsLoadLocal()->GetLocal()); |
| if (Is64BitType(type)) { |
| MoveLocation(location, Location::DoubleStackSlot(stack_slot), type); |
| } else { |
| MoveLocation(location, Location::StackSlot(stack_slot), type); |
| } |
| |
| } else { |
| DCHECK((instruction->GetNext() == move_for) || instruction->GetNext()->IsTemporary()); |
| MoveLocation(location, locations->Out(), type); |
| } |
| } |
| |
| size_t CodeGeneratorARM64::FrameEntrySpillSize() const { |
| return GetFramePreservedRegistersSize(); |
| } |
| |
| Location CodeGeneratorARM64::GetStackLocation(HLoadLocal* load) const { |
| Primitive::Type type = load->GetType(); |
| |
| switch (type) { |
| case Primitive::kPrimNot: |
| case Primitive::kPrimInt: |
| case Primitive::kPrimFloat: |
| return Location::StackSlot(GetStackSlot(load->GetLocal())); |
| |
| case Primitive::kPrimLong: |
| case Primitive::kPrimDouble: |
| return Location::DoubleStackSlot(GetStackSlot(load->GetLocal())); |
| |
| case Primitive::kPrimBoolean: |
| case Primitive::kPrimByte: |
| case Primitive::kPrimChar: |
| case Primitive::kPrimShort: |
| case Primitive::kPrimVoid: |
| LOG(FATAL) << "Unexpected type " << type; |
| } |
| |
| LOG(FATAL) << "Unreachable"; |
| return Location::NoLocation(); |
| } |
| |
| void CodeGeneratorARM64::MarkGCCard(Register object, Register value) { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register card = temps.AcquireX(); |
| Register temp = temps.AcquireW(); // Index within the CardTable - 32bit. |
| vixl::Label done; |
| __ Cbz(value, &done); |
| __ Ldr(card, MemOperand(tr, Thread::CardTableOffset<kArm64WordSize>().Int32Value())); |
| __ Lsr(temp, object, gc::accounting::CardTable::kCardShift); |
| __ Strb(card, MemOperand(card, temp.X())); |
| __ Bind(&done); |
| } |
| |
| void CodeGeneratorARM64::SetupBlockedRegisters(bool is_baseline ATTRIBUTE_UNUSED) const { |
| // Block reserved registers: |
| // ip0 (VIXL temporary) |
| // ip1 (VIXL temporary) |
| // tr |
| // lr |
| // sp is not part of the allocatable registers, so we don't need to block it. |
| // TODO: Avoid blocking callee-saved registers, and instead preserve them |
| // where necessary. |
| CPURegList reserved_core_registers = vixl_reserved_core_registers; |
| reserved_core_registers.Combine(runtime_reserved_core_registers); |
| reserved_core_registers.Combine(quick_callee_saved_registers); |
| while (!reserved_core_registers.IsEmpty()) { |
| blocked_core_registers_[reserved_core_registers.PopLowestIndex().code()] = true; |
| } |
| CPURegList reserved_fp_registers = vixl_reserved_fp_registers; |
| reserved_fp_registers.Combine(CPURegList::GetCalleeSavedFP()); |
| while (!reserved_core_registers.IsEmpty()) { |
| blocked_fpu_registers_[reserved_fp_registers.PopLowestIndex().code()] = true; |
| } |
| } |
| |
| Location CodeGeneratorARM64::AllocateFreeRegister(Primitive::Type type) const { |
| if (type == Primitive::kPrimVoid) { |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| |
| if (IsFPType(type)) { |
| ssize_t reg = FindFreeEntry(blocked_fpu_registers_, kNumberOfAllocatableFPRegisters); |
| DCHECK_NE(reg, -1); |
| return Location::FpuRegisterLocation(reg); |
| } else { |
| ssize_t reg = FindFreeEntry(blocked_core_registers_, kNumberOfAllocatableRegisters); |
| DCHECK_NE(reg, -1); |
| return Location::RegisterLocation(reg); |
| } |
| } |
| |
| size_t CodeGeneratorARM64::SaveCoreRegister(size_t stack_index, uint32_t reg_id) { |
| Register reg = Register(VIXLRegCodeFromART(reg_id), kXRegSize); |
| __ Str(reg, MemOperand(sp, stack_index)); |
| return kArm64WordSize; |
| } |
| |
| size_t CodeGeneratorARM64::RestoreCoreRegister(size_t stack_index, uint32_t reg_id) { |
| Register reg = Register(VIXLRegCodeFromART(reg_id), kXRegSize); |
| __ Ldr(reg, MemOperand(sp, stack_index)); |
| return kArm64WordSize; |
| } |
| |
| size_t CodeGeneratorARM64::SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) { |
| FPRegister reg = FPRegister(reg_id, kDRegSize); |
| __ Str(reg, MemOperand(sp, stack_index)); |
| return kArm64WordSize; |
| } |
| |
| size_t CodeGeneratorARM64::RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) { |
| FPRegister reg = FPRegister(reg_id, kDRegSize); |
| __ Ldr(reg, MemOperand(sp, stack_index)); |
| return kArm64WordSize; |
| } |
| |
| void CodeGeneratorARM64::DumpCoreRegister(std::ostream& stream, int reg) const { |
| stream << Arm64ManagedRegister::FromXRegister(XRegister(reg)); |
| } |
| |
| void CodeGeneratorARM64::DumpFloatingPointRegister(std::ostream& stream, int reg) const { |
| stream << Arm64ManagedRegister::FromDRegister(DRegister(reg)); |
| } |
| |
| void CodeGeneratorARM64::MoveConstant(CPURegister destination, HConstant* constant) { |
| if (constant->IsIntConstant() || constant->IsLongConstant()) { |
| __ Mov(Register(destination), |
| constant->IsIntConstant() ? constant->AsIntConstant()->GetValue() |
| : constant->AsLongConstant()->GetValue()); |
| } else if (constant->IsFloatConstant()) { |
| __ Fmov(FPRegister(destination), constant->AsFloatConstant()->GetValue()); |
| } else { |
| DCHECK(constant->IsDoubleConstant()); |
| __ Fmov(FPRegister(destination), constant->AsDoubleConstant()->GetValue()); |
| } |
| } |
| |
| |
| static bool CoherentConstantAndType(Location constant, Primitive::Type type) { |
| DCHECK(constant.IsConstant()); |
| HConstant* cst = constant.GetConstant(); |
| return (cst->IsIntConstant() && type == Primitive::kPrimInt) || |
| (cst->IsLongConstant() && type == Primitive::kPrimLong) || |
| (cst->IsFloatConstant() && type == Primitive::kPrimFloat) || |
| (cst->IsDoubleConstant() && type == Primitive::kPrimDouble); |
| } |
| |
| void CodeGeneratorARM64::MoveLocation(Location destination, Location source, Primitive::Type type) { |
| if (source.Equals(destination)) { |
| return; |
| } |
| |
| // A valid move can always be inferred from the destination and source |
| // locations. When moving from and to a register, the argument type can be |
| // used to generate 32bit instead of 64bit moves. In debug mode we also |
| // checks the coherency of the locations and the type. |
| bool unspecified_type = (type == Primitive::kPrimVoid); |
| |
| if (destination.IsRegister() || destination.IsFpuRegister()) { |
| if (unspecified_type) { |
| HConstant* src_cst = source.IsConstant() ? source.GetConstant() : nullptr; |
| if (source.IsStackSlot() || |
| (src_cst != nullptr && (src_cst->IsIntConstant() || src_cst->IsFloatConstant()))) { |
| // For stack slots and 32bit constants, a 64bit type is appropriate. |
| type = destination.IsRegister() ? Primitive::kPrimInt : Primitive::kPrimFloat; |
| } else { |
| // If the source is a double stack slot or a 64bit constant, a 64bit |
| // type is appropriate. Else the source is a register, and since the |
| // type has not been specified, we chose a 64bit type to force a 64bit |
| // move. |
| type = destination.IsRegister() ? Primitive::kPrimLong : Primitive::kPrimDouble; |
| } |
| } |
| DCHECK((destination.IsFpuRegister() && IsFPType(type)) || |
| (destination.IsRegister() && !IsFPType(type))); |
| CPURegister dst = CPURegisterFrom(destination, type); |
| if (source.IsStackSlot() || source.IsDoubleStackSlot()) { |
| DCHECK(dst.Is64Bits() == source.IsDoubleStackSlot()); |
| __ Ldr(dst, StackOperandFrom(source)); |
| } else if (source.IsConstant()) { |
| DCHECK(CoherentConstantAndType(source, type)); |
| MoveConstant(dst, source.GetConstant()); |
| } else { |
| if (destination.IsRegister()) { |
| __ Mov(Register(dst), RegisterFrom(source, type)); |
| } else { |
| __ Fmov(FPRegister(dst), FPRegisterFrom(source, type)); |
| } |
| } |
| |
| } else { // The destination is not a register. It must be a stack slot. |
| DCHECK(destination.IsStackSlot() || destination.IsDoubleStackSlot()); |
| if (source.IsRegister() || source.IsFpuRegister()) { |
| if (unspecified_type) { |
| if (source.IsRegister()) { |
| type = destination.IsStackSlot() ? Primitive::kPrimInt : Primitive::kPrimLong; |
| } else { |
| type = destination.IsStackSlot() ? Primitive::kPrimFloat : Primitive::kPrimDouble; |
| } |
| } |
| DCHECK((destination.IsDoubleStackSlot() == Is64BitType(type)) && |
| (source.IsFpuRegister() == IsFPType(type))); |
| __ Str(CPURegisterFrom(source, type), StackOperandFrom(destination)); |
| } else if (source.IsConstant()) { |
| DCHECK(unspecified_type || CoherentConstantAndType(source, type)); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| HConstant* src_cst = source.GetConstant(); |
| CPURegister temp; |
| if (src_cst->IsIntConstant()) { |
| temp = temps.AcquireW(); |
| } else if (src_cst->IsLongConstant()) { |
| temp = temps.AcquireX(); |
| } else if (src_cst->IsFloatConstant()) { |
| temp = temps.AcquireS(); |
| } else { |
| DCHECK(src_cst->IsDoubleConstant()); |
| temp = temps.AcquireD(); |
| } |
| MoveConstant(temp, src_cst); |
| __ Str(temp, StackOperandFrom(destination)); |
| } else { |
| DCHECK(source.IsStackSlot() || source.IsDoubleStackSlot()); |
| DCHECK(source.IsDoubleStackSlot() == destination.IsDoubleStackSlot()); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| // There is generally less pressure on FP registers. |
| FPRegister temp = destination.IsDoubleStackSlot() ? temps.AcquireD() : temps.AcquireS(); |
| __ Ldr(temp, StackOperandFrom(source)); |
| __ Str(temp, StackOperandFrom(destination)); |
| } |
| } |
| } |
| |
| void CodeGeneratorARM64::SwapLocations(Location loc1, Location loc2) { |
| DCHECK(!loc1.IsConstant()); |
| DCHECK(!loc2.IsConstant()); |
| |
| if (loc1.Equals(loc2)) { |
| return; |
| } |
| |
| UseScratchRegisterScope temps(GetAssembler()->vixl_masm_); |
| |
| bool is_slot1 = loc1.IsStackSlot() || loc1.IsDoubleStackSlot(); |
| bool is_slot2 = loc2.IsStackSlot() || loc2.IsDoubleStackSlot(); |
| bool is_fp_reg1 = loc1.IsFpuRegister(); |
| bool is_fp_reg2 = loc2.IsFpuRegister(); |
| |
| if (loc2.IsRegister() && loc1.IsRegister()) { |
| Register r1 = XRegisterFrom(loc1); |
| Register r2 = XRegisterFrom(loc2); |
| Register tmp = temps.AcquireSameSizeAs(r1); |
| __ Mov(tmp, r2); |
| __ Mov(r2, r1); |
| __ Mov(r1, tmp); |
| } else if (is_fp_reg2 && is_fp_reg1) { |
| FPRegister r1 = DRegisterFrom(loc1); |
| FPRegister r2 = DRegisterFrom(loc2); |
| FPRegister tmp = temps.AcquireSameSizeAs(r1); |
| __ Fmov(tmp, r2); |
| __ Fmov(r2, r1); |
| __ Fmov(r1, tmp); |
| } else if (is_slot1 != is_slot2) { |
| MemOperand mem = StackOperandFrom(is_slot1 ? loc1 : loc2); |
| Location reg_loc = is_slot1 ? loc2 : loc1; |
| CPURegister reg, tmp; |
| if (reg_loc.IsFpuRegister()) { |
| reg = DRegisterFrom(reg_loc); |
| tmp = temps.AcquireD(); |
| } else { |
| reg = XRegisterFrom(reg_loc); |
| tmp = temps.AcquireX(); |
| } |
| __ Ldr(tmp, mem); |
| __ Str(reg, mem); |
| if (reg_loc.IsFpuRegister()) { |
| __ Fmov(FPRegister(reg), FPRegister(tmp)); |
| } else { |
| __ Mov(Register(reg), Register(tmp)); |
| } |
| } else if (is_slot1 && is_slot2) { |
| MemOperand mem1 = StackOperandFrom(loc1); |
| MemOperand mem2 = StackOperandFrom(loc2); |
| Register tmp1 = loc1.IsStackSlot() ? temps.AcquireW() : temps.AcquireX(); |
| Register tmp2 = temps.AcquireSameSizeAs(tmp1); |
| __ Ldr(tmp1, mem1); |
| __ Ldr(tmp2, mem2); |
| __ Str(tmp1, mem2); |
| __ Str(tmp2, mem1); |
| } else { |
| LOG(FATAL) << "Unimplemented"; |
| } |
| } |
| |
| void CodeGeneratorARM64::Load(Primitive::Type type, |
| CPURegister dst, |
| const MemOperand& src) { |
| switch (type) { |
| case Primitive::kPrimBoolean: |
| __ Ldrb(Register(dst), src); |
| break; |
| case Primitive::kPrimByte: |
| __ Ldrsb(Register(dst), src); |
| break; |
| case Primitive::kPrimShort: |
| __ Ldrsh(Register(dst), src); |
| break; |
| case Primitive::kPrimChar: |
| __ Ldrh(Register(dst), src); |
| break; |
| case Primitive::kPrimInt: |
| case Primitive::kPrimNot: |
| case Primitive::kPrimLong: |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| DCHECK_EQ(dst.Is64Bits(), Is64BitType(type)); |
| __ Ldr(dst, src); |
| break; |
| case Primitive::kPrimVoid: |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| } |
| |
| void CodeGeneratorARM64::LoadAcquire(HInstruction* instruction, |
| CPURegister dst, |
| const MemOperand& src) { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register temp_base = temps.AcquireX(); |
| Primitive::Type type = instruction->GetType(); |
| |
| DCHECK(!src.IsRegisterOffset()); |
| DCHECK(!src.IsPreIndex()); |
| DCHECK(!src.IsPostIndex()); |
| |
| // TODO(vixl): Let the MacroAssembler handle MemOperand. |
| __ Add(temp_base, src.base(), src.offset()); |
| MemOperand base = MemOperand(temp_base); |
| switch (type) { |
| case Primitive::kPrimBoolean: |
| __ Ldarb(Register(dst), base); |
| MaybeRecordImplicitNullCheck(instruction); |
| break; |
| case Primitive::kPrimByte: |
| __ Ldarb(Register(dst), base); |
| MaybeRecordImplicitNullCheck(instruction); |
| __ Sbfx(Register(dst), Register(dst), 0, Primitive::ComponentSize(type) * kBitsPerByte); |
| break; |
| case Primitive::kPrimChar: |
| __ Ldarh(Register(dst), base); |
| MaybeRecordImplicitNullCheck(instruction); |
| break; |
| case Primitive::kPrimShort: |
| __ Ldarh(Register(dst), base); |
| MaybeRecordImplicitNullCheck(instruction); |
| __ Sbfx(Register(dst), Register(dst), 0, Primitive::ComponentSize(type) * kBitsPerByte); |
| break; |
| case Primitive::kPrimInt: |
| case Primitive::kPrimNot: |
| case Primitive::kPrimLong: |
| DCHECK_EQ(dst.Is64Bits(), Is64BitType(type)); |
| __ Ldar(Register(dst), base); |
| MaybeRecordImplicitNullCheck(instruction); |
| break; |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| DCHECK(dst.IsFPRegister()); |
| DCHECK_EQ(dst.Is64Bits(), Is64BitType(type)); |
| |
| Register temp = dst.Is64Bits() ? temps.AcquireX() : temps.AcquireW(); |
| __ Ldar(temp, base); |
| MaybeRecordImplicitNullCheck(instruction); |
| __ Fmov(FPRegister(dst), temp); |
| break; |
| } |
| case Primitive::kPrimVoid: |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| } |
| |
| void CodeGeneratorARM64::Store(Primitive::Type type, |
| CPURegister src, |
| const MemOperand& dst) { |
| switch (type) { |
| case Primitive::kPrimBoolean: |
| case Primitive::kPrimByte: |
| __ Strb(Register(src), dst); |
| break; |
| case Primitive::kPrimChar: |
| case Primitive::kPrimShort: |
| __ Strh(Register(src), dst); |
| break; |
| case Primitive::kPrimInt: |
| case Primitive::kPrimNot: |
| case Primitive::kPrimLong: |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| DCHECK_EQ(src.Is64Bits(), Is64BitType(type)); |
| __ Str(src, dst); |
| break; |
| case Primitive::kPrimVoid: |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| } |
| |
| void CodeGeneratorARM64::StoreRelease(Primitive::Type type, |
| CPURegister src, |
| const MemOperand& dst) { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register temp_base = temps.AcquireX(); |
| |
| DCHECK(!dst.IsRegisterOffset()); |
| DCHECK(!dst.IsPreIndex()); |
| DCHECK(!dst.IsPostIndex()); |
| |
| // TODO(vixl): Let the MacroAssembler handle this. |
| __ Add(temp_base, dst.base(), dst.offset()); |
| MemOperand base = MemOperand(temp_base); |
| switch (type) { |
| case Primitive::kPrimBoolean: |
| case Primitive::kPrimByte: |
| __ Stlrb(Register(src), base); |
| break; |
| case Primitive::kPrimChar: |
| case Primitive::kPrimShort: |
| __ Stlrh(Register(src), base); |
| break; |
| case Primitive::kPrimInt: |
| case Primitive::kPrimNot: |
| case Primitive::kPrimLong: |
| DCHECK_EQ(src.Is64Bits(), Is64BitType(type)); |
| __ Stlr(Register(src), base); |
| break; |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| DCHECK(src.IsFPRegister()); |
| DCHECK_EQ(src.Is64Bits(), Is64BitType(type)); |
| |
| Register temp = src.Is64Bits() ? temps.AcquireX() : temps.AcquireW(); |
| __ Fmov(temp, FPRegister(src)); |
| __ Stlr(temp, base); |
| break; |
| } |
| case Primitive::kPrimVoid: |
| LOG(FATAL) << "Unreachable type " << type; |
| } |
| } |
| |
| void CodeGeneratorARM64::LoadCurrentMethod(vixl::Register current_method) { |
| DCHECK(current_method.IsW()); |
| __ Ldr(current_method, MemOperand(sp, kCurrentMethodStackOffset)); |
| } |
| |
| void CodeGeneratorARM64::InvokeRuntime(int32_t entry_point_offset, |
| HInstruction* instruction, |
| uint32_t dex_pc) { |
| __ Ldr(lr, MemOperand(tr, entry_point_offset)); |
| __ Blr(lr); |
| if (instruction != nullptr) { |
| RecordPcInfo(instruction, dex_pc); |
| DCHECK(instruction->IsSuspendCheck() |
| || instruction->IsBoundsCheck() |
| || instruction->IsNullCheck() |
| || instruction->IsDivZeroCheck() |
| || !IsLeafMethod()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::GenerateClassInitializationCheck(SlowPathCodeARM64* slow_path, |
| vixl::Register class_reg) { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register temp = temps.AcquireW(); |
| size_t status_offset = mirror::Class::StatusOffset().SizeValue(); |
| |
| // Even if the initialized flag is set, we need to ensure consistent memory ordering. |
| if (kUseAcquireRelease) { |
| // TODO(vixl): Let the MacroAssembler handle MemOperand. |
| __ Add(temp, class_reg, status_offset); |
| __ Ldar(temp, HeapOperand(temp)); |
| __ Cmp(temp, mirror::Class::kStatusInitialized); |
| __ B(lt, slow_path->GetEntryLabel()); |
| } else { |
| __ Ldr(temp, HeapOperand(class_reg, status_offset)); |
| __ Cmp(temp, mirror::Class::kStatusInitialized); |
| __ B(lt, slow_path->GetEntryLabel()); |
| __ Dmb(InnerShareable, BarrierReads); |
| } |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| void InstructionCodeGeneratorARM64::GenerateMemoryBarrier(MemBarrierKind kind) { |
| BarrierType type = BarrierAll; |
| |
| switch (kind) { |
| case MemBarrierKind::kAnyAny: |
| case MemBarrierKind::kAnyStore: { |
| type = BarrierAll; |
| break; |
| } |
| case MemBarrierKind::kLoadAny: { |
| type = BarrierReads; |
| break; |
| } |
| case MemBarrierKind::kStoreStore: { |
| type = BarrierWrites; |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unexpected memory barrier " << kind; |
| } |
| __ Dmb(InnerShareable, type); |
| } |
| |
| void InstructionCodeGeneratorARM64::GenerateSuspendCheck(HSuspendCheck* instruction, |
| HBasicBlock* successor) { |
| SuspendCheckSlowPathARM64* slow_path = |
| new (GetGraph()->GetArena()) SuspendCheckSlowPathARM64(instruction, successor); |
| codegen_->AddSlowPath(slow_path); |
| UseScratchRegisterScope temps(codegen_->GetVIXLAssembler()); |
| Register temp = temps.AcquireW(); |
| |
| __ Ldrh(temp, MemOperand(tr, Thread::ThreadFlagsOffset<kArm64WordSize>().SizeValue())); |
| if (successor == nullptr) { |
| __ Cbnz(temp, slow_path->GetEntryLabel()); |
| __ Bind(slow_path->GetReturnLabel()); |
| } else { |
| __ Cbz(temp, codegen_->GetLabelOf(successor)); |
| __ B(slow_path->GetEntryLabel()); |
| // slow_path will return to GetLabelOf(successor). |
| } |
| } |
| |
| InstructionCodeGeneratorARM64::InstructionCodeGeneratorARM64(HGraph* graph, |
| CodeGeneratorARM64* codegen) |
| : HGraphVisitor(graph), |
| assembler_(codegen->GetAssembler()), |
| codegen_(codegen) {} |
| |
| #define FOR_EACH_UNIMPLEMENTED_INSTRUCTION(M) \ |
| /* No unimplemented IR. */ |
| |
| #define UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name) name##UnimplementedInstructionBreakCode |
| |
| enum UnimplementedInstructionBreakCode { |
| // Using a base helps identify when we hit such breakpoints. |
| UnimplementedInstructionBreakCodeBaseCode = 0x900, |
| #define ENUM_UNIMPLEMENTED_INSTRUCTION(name) UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name), |
| FOR_EACH_UNIMPLEMENTED_INSTRUCTION(ENUM_UNIMPLEMENTED_INSTRUCTION) |
| #undef ENUM_UNIMPLEMENTED_INSTRUCTION |
| }; |
| |
| #define DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS(name) \ |
| void InstructionCodeGeneratorARM64::Visit##name(H##name* instr) { \ |
| UNUSED(instr); \ |
| __ Brk(UNIMPLEMENTED_INSTRUCTION_BREAK_CODE(name)); \ |
| } \ |
| void LocationsBuilderARM64::Visit##name(H##name* instr) { \ |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); \ |
| locations->SetOut(Location::Any()); \ |
| } |
| FOR_EACH_UNIMPLEMENTED_INSTRUCTION(DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS) |
| #undef DEFINE_UNIMPLEMENTED_INSTRUCTION_VISITORS |
| |
| #undef UNIMPLEMENTED_INSTRUCTION_BREAK_CODE |
| #undef FOR_EACH_UNIMPLEMENTED_INSTRUCTION |
| |
| void LocationsBuilderARM64::HandleBinaryOp(HBinaryOperation* instr) { |
| DCHECK_EQ(instr->InputCount(), 2U); |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); |
| Primitive::Type type = instr->GetResultType(); |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(instr->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected " << instr->DebugName() << " type " << type; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::HandleBinaryOp(HBinaryOperation* instr) { |
| Primitive::Type type = instr->GetType(); |
| |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: { |
| Register dst = OutputRegister(instr); |
| Register lhs = InputRegisterAt(instr, 0); |
| Operand rhs = InputOperandAt(instr, 1); |
| if (instr->IsAdd()) { |
| __ Add(dst, lhs, rhs); |
| } else if (instr->IsAnd()) { |
| __ And(dst, lhs, rhs); |
| } else if (instr->IsOr()) { |
| __ Orr(dst, lhs, rhs); |
| } else if (instr->IsSub()) { |
| __ Sub(dst, lhs, rhs); |
| } else { |
| DCHECK(instr->IsXor()); |
| __ Eor(dst, lhs, rhs); |
| } |
| break; |
| } |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| FPRegister dst = OutputFPRegister(instr); |
| FPRegister lhs = InputFPRegisterAt(instr, 0); |
| FPRegister rhs = InputFPRegisterAt(instr, 1); |
| if (instr->IsAdd()) { |
| __ Fadd(dst, lhs, rhs); |
| } else if (instr->IsSub()) { |
| __ Fsub(dst, lhs, rhs); |
| } else { |
| LOG(FATAL) << "Unexpected floating-point binary operation"; |
| } |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unexpected binary operation type " << type; |
| } |
| } |
| |
| void LocationsBuilderARM64::HandleShift(HBinaryOperation* instr) { |
| DCHECK(instr->IsShl() || instr->IsShr() || instr->IsUShr()); |
| |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instr); |
| Primitive::Type type = instr->GetResultType(); |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: { |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(instr->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister()); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unexpected shift type " << type; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::HandleShift(HBinaryOperation* instr) { |
| DCHECK(instr->IsShl() || instr->IsShr() || instr->IsUShr()); |
| |
| Primitive::Type type = instr->GetType(); |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: { |
| Register dst = OutputRegister(instr); |
| Register lhs = InputRegisterAt(instr, 0); |
| Operand rhs = InputOperandAt(instr, 1); |
| if (rhs.IsImmediate()) { |
| uint32_t shift_value = (type == Primitive::kPrimInt) |
| ? static_cast<uint32_t>(rhs.immediate() & kMaxIntShiftValue) |
| : static_cast<uint32_t>(rhs.immediate() & kMaxLongShiftValue); |
| if (instr->IsShl()) { |
| __ Lsl(dst, lhs, shift_value); |
| } else if (instr->IsShr()) { |
| __ Asr(dst, lhs, shift_value); |
| } else { |
| __ Lsr(dst, lhs, shift_value); |
| } |
| } else { |
| Register rhs_reg = dst.IsX() ? rhs.reg().X() : rhs.reg().W(); |
| |
| if (instr->IsShl()) { |
| __ Lsl(dst, lhs, rhs_reg); |
| } else if (instr->IsShr()) { |
| __ Asr(dst, lhs, rhs_reg); |
| } else { |
| __ Lsr(dst, lhs, rhs_reg); |
| } |
| } |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unexpected shift operation type " << type; |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitAdd(HAdd* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitAdd(HAdd* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitAnd(HAnd* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitAnd(HAnd* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void LocationsBuilderARM64::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()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitArrayGet(HArrayGet* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Primitive::Type type = instruction->GetType(); |
| Register obj = InputRegisterAt(instruction, 0); |
| Location index = locations->InAt(1); |
| size_t offset = mirror::Array::DataOffset(Primitive::ComponentSize(type)).Uint32Value(); |
| MemOperand source = HeapOperand(obj); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| |
| if (index.IsConstant()) { |
| offset += Int64ConstantFrom(index) << Primitive::ComponentSizeShift(type); |
| source = HeapOperand(obj, offset); |
| } else { |
| Register temp = temps.AcquireSameSizeAs(obj); |
| Register index_reg = RegisterFrom(index, Primitive::kPrimInt); |
| __ Add(temp, obj, Operand(index_reg, LSL, Primitive::ComponentSizeShift(type))); |
| source = HeapOperand(temp, offset); |
| } |
| |
| codegen_->Load(type, OutputCPURegister(instruction), source); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitArrayLength(HArrayLength* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitArrayLength(HArrayLength* instruction) { |
| __ Ldr(OutputRegister(instruction), |
| HeapOperand(InputRegisterAt(instruction, 0), mirror::Array::LengthOffset())); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } |
| |
| void LocationsBuilderARM64::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, LocationFrom(calling_convention.GetRegisterAt(0))); |
| locations->SetInAt(1, LocationFrom(calling_convention.GetRegisterAt(1))); |
| locations->SetInAt(2, LocationFrom(calling_convention.GetRegisterAt(2))); |
| } else { |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| locations->SetInAt(2, Location::RequiresRegister()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitArraySet(HArraySet* instruction) { |
| Primitive::Type value_type = instruction->GetComponentType(); |
| if (value_type == Primitive::kPrimNot) { |
| codegen_->InvokeRuntime(QUICK_ENTRY_POINT(pAputObject), instruction, instruction->GetDexPc()); |
| CheckEntrypointTypes<kQuickAputObject, void, mirror::Array*, int32_t, mirror::Object*>(); |
| } else { |
| LocationSummary* locations = instruction->GetLocations(); |
| Register obj = InputRegisterAt(instruction, 0); |
| CPURegister value = InputCPURegisterAt(instruction, 2); |
| Location index = locations->InAt(1); |
| size_t offset = mirror::Array::DataOffset(Primitive::ComponentSize(value_type)).Uint32Value(); |
| MemOperand destination = HeapOperand(obj); |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| |
| if (index.IsConstant()) { |
| offset += Int64ConstantFrom(index) << Primitive::ComponentSizeShift(value_type); |
| destination = HeapOperand(obj, offset); |
| } else { |
| Register temp = temps.AcquireSameSizeAs(obj); |
| Register index_reg = InputRegisterAt(instruction, 1); |
| __ Add(temp, obj, Operand(index_reg, LSL, Primitive::ComponentSizeShift(value_type))); |
| destination = HeapOperand(temp, offset); |
| } |
| |
| codegen_->Store(value_type, value, destination); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } |
| } |
| |
| void LocationsBuilderARM64::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 InstructionCodeGeneratorARM64::VisitBoundsCheck(HBoundsCheck* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| BoundsCheckSlowPathARM64* slow_path = new (GetGraph()->GetArena()) BoundsCheckSlowPathARM64( |
| instruction, locations->InAt(0), locations->InAt(1)); |
| codegen_->AddSlowPath(slow_path); |
| |
| __ Cmp(InputRegisterAt(instruction, 0), InputOperandAt(instruction, 1)); |
| __ B(slow_path->GetEntryLabel(), hs); |
| } |
| |
| void LocationsBuilderARM64::VisitCheckCast(HCheckCast* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary( |
| instruction, LocationSummary::kCallOnSlowPath); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->AddTemp(Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitCheckCast(HCheckCast* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Register obj = InputRegisterAt(instruction, 0);; |
| Register cls = InputRegisterAt(instruction, 1);; |
| Register obj_cls = WRegisterFrom(instruction->GetLocations()->GetTemp(0)); |
| |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) TypeCheckSlowPathARM64( |
| instruction, locations->InAt(1), LocationFrom(obj_cls), instruction->GetDexPc()); |
| codegen_->AddSlowPath(slow_path); |
| |
| // TODO: avoid this check if we know obj is not null. |
| __ Cbz(obj, slow_path->GetExitLabel()); |
| // Compare the class of `obj` with `cls`. |
| __ Ldr(obj_cls, HeapOperand(obj, mirror::Object::ClassOffset())); |
| __ Cmp(obj_cls, cls); |
| __ B(ne, slow_path->GetEntryLabel()); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| void LocationsBuilderARM64::VisitClinitCheck(HClinitCheck* check) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(check, LocationSummary::kCallOnSlowPath); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| if (check->HasUses()) { |
| locations->SetOut(Location::SameAsFirstInput()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitClinitCheck(HClinitCheck* check) { |
| // We assume the class is not null. |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM64( |
| check->GetLoadClass(), check, check->GetDexPc(), true); |
| codegen_->AddSlowPath(slow_path); |
| GenerateClassInitializationCheck(slow_path, InputRegisterAt(check, 0)); |
| } |
| |
| void LocationsBuilderARM64::VisitCompare(HCompare* compare) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(compare, LocationSummary::kNoCall); |
| Primitive::Type in_type = compare->InputAt(0)->GetType(); |
| switch (in_type) { |
| case Primitive::kPrimLong: { |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(compare->InputAt(1))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| } |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresRegister()); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unexpected type for compare operation " << in_type; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitCompare(HCompare* compare) { |
| Primitive::Type in_type = compare->InputAt(0)->GetType(); |
| |
| // 0 if: left == right |
| // 1 if: left > right |
| // -1 if: left < right |
| switch (in_type) { |
| case Primitive::kPrimLong: { |
| Register result = OutputRegister(compare); |
| Register left = InputRegisterAt(compare, 0); |
| Operand right = InputOperandAt(compare, 1); |
| |
| __ Cmp(left, right); |
| __ Cset(result, ne); |
| __ Cneg(result, result, lt); |
| break; |
| } |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| Register result = OutputRegister(compare); |
| FPRegister left = InputFPRegisterAt(compare, 0); |
| FPRegister right = InputFPRegisterAt(compare, 1); |
| |
| __ Fcmp(left, right); |
| if (compare->IsGtBias()) { |
| __ Cset(result, ne); |
| } else { |
| __ Csetm(result, ne); |
| } |
| __ Cneg(result, result, compare->IsGtBias() ? mi : gt); |
| break; |
| } |
| default: |
| LOG(FATAL) << "Unimplemented compare type " << in_type; |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitCondition(HCondition* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1))); |
| if (instruction->NeedsMaterialization()) { |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitCondition(HCondition* instruction) { |
| if (!instruction->NeedsMaterialization()) { |
| return; |
| } |
| |
| LocationSummary* locations = instruction->GetLocations(); |
| Register lhs = InputRegisterAt(instruction, 0); |
| Operand rhs = InputOperandAt(instruction, 1); |
| Register res = RegisterFrom(locations->Out(), instruction->GetType()); |
| Condition cond = ARM64Condition(instruction->GetCondition()); |
| |
| __ Cmp(lhs, rhs); |
| __ Cset(res, cond); |
| } |
| |
| #define FOR_EACH_CONDITION_INSTRUCTION(M) \ |
| M(Equal) \ |
| M(NotEqual) \ |
| M(LessThan) \ |
| M(LessThanOrEqual) \ |
| M(GreaterThan) \ |
| M(GreaterThanOrEqual) |
| #define DEFINE_CONDITION_VISITORS(Name) \ |
| void LocationsBuilderARM64::Visit##Name(H##Name* comp) { VisitCondition(comp); } \ |
| void InstructionCodeGeneratorARM64::Visit##Name(H##Name* comp) { VisitCondition(comp); } |
| FOR_EACH_CONDITION_INSTRUCTION(DEFINE_CONDITION_VISITORS) |
| #undef DEFINE_CONDITION_VISITORS |
| #undef FOR_EACH_CONDITION_INSTRUCTION |
| |
| void LocationsBuilderARM64::VisitDiv(HDiv* div) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(div, LocationSummary::kNoCall); |
| switch (div->GetResultType()) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected div type " << div->GetResultType(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitDiv(HDiv* div) { |
| Primitive::Type type = div->GetResultType(); |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| __ Sdiv(OutputRegister(div), InputRegisterAt(div, 0), InputRegisterAt(div, 1)); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| __ Fdiv(OutputFPRegister(div), InputFPRegisterAt(div, 0), InputFPRegisterAt(div, 1)); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected div type " << type; |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitDivZeroCheck(HDivZeroCheck* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RegisterOrConstant(instruction->InputAt(0))); |
| if (instruction->HasUses()) { |
| locations->SetOut(Location::SameAsFirstInput()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitDivZeroCheck(HDivZeroCheck* instruction) { |
| SlowPathCodeARM64* slow_path = |
| new (GetGraph()->GetArena()) DivZeroCheckSlowPathARM64(instruction); |
| codegen_->AddSlowPath(slow_path); |
| Location value = instruction->GetLocations()->InAt(0); |
| |
| Primitive::Type type = instruction->GetType(); |
| |
| if ((type != Primitive::kPrimInt) && (type != Primitive::kPrimLong)) { |
| LOG(FATAL) << "Unexpected type " << type << "for DivZeroCheck."; |
| return; |
| } |
| |
| if (value.IsConstant()) { |
| int64_t divisor = Int64ConstantFrom(value); |
| if (divisor == 0) { |
| __ B(slow_path->GetEntryLabel()); |
| } else { |
| // A division by a non-null constant is valid. We don't need to perform |
| // any check, so simply fall through. |
| } |
| } else { |
| __ Cbz(InputRegisterAt(instruction, 0), slow_path->GetEntryLabel()); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitDoubleConstant(HDoubleConstant* constant) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall); |
| locations->SetOut(Location::ConstantLocation(constant)); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitDoubleConstant(HDoubleConstant* constant) { |
| UNUSED(constant); |
| // Will be generated at use site. |
| } |
| |
| void LocationsBuilderARM64::VisitExit(HExit* exit) { |
| exit->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitExit(HExit* exit) { |
| UNUSED(exit); |
| if (kIsDebugBuild) { |
| down_cast<Arm64Assembler*>(GetAssembler())->Comment("Unreachable"); |
| __ Brk(__LINE__); // TODO: Introduce special markers for such code locations. |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitFloatConstant(HFloatConstant* constant) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall); |
| locations->SetOut(Location::ConstantLocation(constant)); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitFloatConstant(HFloatConstant* constant) { |
| UNUSED(constant); |
| // Will be generated at use site. |
| } |
| |
| void LocationsBuilderARM64::VisitGoto(HGoto* got) { |
| got->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::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(block, successor)) { |
| __ B(codegen_->GetLabelOf(successor)); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitIf(HIf* if_instr) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(if_instr); |
| HInstruction* cond = if_instr->InputAt(0); |
| if (!cond->IsCondition() || cond->AsCondition()->NeedsMaterialization()) { |
| locations->SetInAt(0, Location::RequiresRegister()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitIf(HIf* if_instr) { |
| HInstruction* cond = if_instr->InputAt(0); |
| HCondition* condition = cond->AsCondition(); |
| vixl::Label* true_target = codegen_->GetLabelOf(if_instr->IfTrueSuccessor()); |
| vixl::Label* false_target = codegen_->GetLabelOf(if_instr->IfFalseSuccessor()); |
| |
| if (cond->IsIntConstant()) { |
| int32_t cond_value = cond->AsIntConstant()->GetValue(); |
| if (cond_value == 1) { |
| if (!codegen_->GoesToNextBlock(if_instr->GetBlock(), if_instr->IfTrueSuccessor())) { |
| __ B(true_target); |
| } |
| return; |
| } else { |
| DCHECK_EQ(cond_value, 0); |
| } |
| } else if (!cond->IsCondition() || condition->NeedsMaterialization()) { |
| // The condition instruction has been materialized, compare the output to 0. |
| Location cond_val = if_instr->GetLocations()->InAt(0); |
| DCHECK(cond_val.IsRegister()); |
| __ Cbnz(InputRegisterAt(if_instr, 0), true_target); |
| } else { |
| // The condition instruction has not been materialized, use its inputs as |
| // the comparison and its condition as the branch condition. |
| Register lhs = InputRegisterAt(condition, 0); |
| Operand rhs = InputOperandAt(condition, 1); |
| Condition arm64_cond = ARM64Condition(condition->GetCondition()); |
| if ((arm64_cond == eq || arm64_cond == ne) && rhs.IsImmediate() && (rhs.immediate() == 0)) { |
| if (arm64_cond == eq) { |
| __ Cbz(lhs, true_target); |
| } else { |
| __ Cbnz(lhs, true_target); |
| } |
| } else { |
| __ Cmp(lhs, rhs); |
| __ B(arm64_cond, true_target); |
| } |
| } |
| if (!codegen_->GoesToNextBlock(if_instr->GetBlock(), if_instr->IfFalseSuccessor())) { |
| __ B(false_target); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInstanceFieldGet(HInstanceFieldGet* instruction) { |
| MemOperand field = HeapOperand(InputRegisterAt(instruction, 0), instruction->GetFieldOffset()); |
| |
| if (instruction->IsVolatile()) { |
| if (kUseAcquireRelease) { |
| // NB: LoadAcquire will record the pc info if needed. |
| codegen_->LoadAcquire(instruction, OutputCPURegister(instruction), field); |
| } else { |
| codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| // For IRIW sequential consistency kLoadAny is not sufficient. |
| GenerateMemoryBarrier(MemBarrierKind::kAnyAny); |
| } |
| } else { |
| codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInstanceFieldSet(HInstanceFieldSet* instruction) { |
| Register obj = InputRegisterAt(instruction, 0); |
| CPURegister value = InputCPURegisterAt(instruction, 1); |
| Offset offset = instruction->GetFieldOffset(); |
| Primitive::Type field_type = instruction->GetFieldType(); |
| |
| if (instruction->IsVolatile()) { |
| if (kUseAcquireRelease) { |
| codegen_->StoreRelease(field_type, value, HeapOperand(obj, offset)); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } else { |
| GenerateMemoryBarrier(MemBarrierKind::kAnyStore); |
| codegen_->Store(field_type, value, HeapOperand(obj, offset)); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| GenerateMemoryBarrier(MemBarrierKind::kAnyAny); |
| } |
| } else { |
| codegen_->Store(field_type, value, HeapOperand(obj, offset)); |
| codegen_->MaybeRecordImplicitNullCheck(instruction); |
| } |
| |
| if (CodeGenerator::StoreNeedsWriteBarrier(field_type, instruction->InputAt(1))) { |
| codegen_->MarkGCCard(obj, Register(value)); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitInstanceOf(HInstanceOf* instruction) { |
| LocationSummary::CallKind call_kind = |
| instruction->IsClassFinal() ? LocationSummary::kNoCall : LocationSummary::kCallOnSlowPath; |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction, call_kind); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| // The output does overlap inputs. |
| locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInstanceOf(HInstanceOf* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Register obj = InputRegisterAt(instruction, 0);; |
| Register cls = InputRegisterAt(instruction, 1);; |
| Register out = OutputRegister(instruction); |
| |
| vixl::Label done; |
| |
| // Return 0 if `obj` is null. |
| // TODO: Avoid this check if we know `obj` is not null. |
| __ Mov(out, 0); |
| __ Cbz(obj, &done); |
| |
| // Compare the class of `obj` with `cls`. |
| __ Ldr(out, HeapOperand(obj, mirror::Object::ClassOffset())); |
| __ Cmp(out, cls); |
| if (instruction->IsClassFinal()) { |
| // Classes must be equal for the instanceof to succeed. |
| __ Cset(out, eq); |
| } else { |
| // If the classes are not equal, we go into a slow path. |
| DCHECK(locations->OnlyCallsOnSlowPath()); |
| SlowPathCodeARM64* slow_path = |
| new (GetGraph()->GetArena()) TypeCheckSlowPathARM64( |
| instruction, locations->InAt(1), locations->Out(), instruction->GetDexPc()); |
| codegen_->AddSlowPath(slow_path); |
| __ B(ne, slow_path->GetEntryLabel()); |
| __ Mov(out, 1); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| __ Bind(&done); |
| } |
| |
| void LocationsBuilderARM64::VisitIntConstant(HIntConstant* constant) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
| locations->SetOut(Location::ConstantLocation(constant)); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitIntConstant(HIntConstant* constant) { |
| // Will be generated at use site. |
| UNUSED(constant); |
| } |
| |
| void LocationsBuilderARM64::HandleInvoke(HInvoke* invoke) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(invoke, LocationSummary::kCall); |
| locations->AddTemp(LocationFrom(x0)); |
| |
| 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())); |
| } |
| |
| Primitive::Type return_type = invoke->GetType(); |
| if (return_type != Primitive::kPrimVoid) { |
| locations->SetOut(calling_convention_visitor.GetReturnLocation(return_type)); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitInvokeInterface(HInvokeInterface* invoke) { |
| HandleInvoke(invoke); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInvokeInterface(HInvokeInterface* invoke) { |
| // TODO: b/18116999, our IMTs can miss an IncompatibleClassChangeError. |
| Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
| uint32_t method_offset = mirror::Class::EmbeddedImTableOffset().Uint32Value() + |
| (invoke->GetImtIndex() % mirror::Class::kImtSize) * sizeof(mirror::Class::ImTableEntry); |
| Location receiver = invoke->GetLocations()->InAt(0); |
| Offset class_offset = mirror::Object::ClassOffset(); |
| Offset entry_point = mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArm64WordSize); |
| |
| // The register ip1 is required to be used for the hidden argument in |
| // art_quick_imt_conflict_trampoline, so prevent VIXL from using it. |
| UseScratchRegisterScope scratch_scope(GetVIXLAssembler()); |
| scratch_scope.Exclude(ip1); |
| __ Mov(ip1, invoke->GetDexMethodIndex()); |
| |
| // temp = object->GetClass(); |
| if (receiver.IsStackSlot()) { |
| __ Ldr(temp, StackOperandFrom(receiver)); |
| __ Ldr(temp, HeapOperand(temp, class_offset)); |
| } else { |
| __ Ldr(temp, HeapOperandFrom(receiver, class_offset)); |
| } |
| codegen_->MaybeRecordImplicitNullCheck(invoke); |
| // temp = temp->GetImtEntryAt(method_offset); |
| __ Ldr(temp, HeapOperand(temp, method_offset)); |
| // lr = temp->GetEntryPoint(); |
| __ Ldr(lr, HeapOperand(temp, entry_point)); |
| // lr(); |
| __ Blr(lr); |
| DCHECK(!codegen_->IsLeafMethod()); |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| } |
| |
| void LocationsBuilderARM64::VisitInvokeVirtual(HInvokeVirtual* invoke) { |
| HandleInvoke(invoke); |
| } |
| |
| void LocationsBuilderARM64::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) { |
| HandleInvoke(invoke); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) { |
| Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
| // Make sure that ArtMethod* is passed in W0 as per the calling convention |
| DCHECK(temp.Is(w0)); |
| size_t index_in_cache = mirror::Array::DataOffset(kHeapRefSize).SizeValue() + |
| invoke->GetDexMethodIndex() * kHeapRefSize; |
| |
| // 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; |
| codegen_->LoadCurrentMethod(temp); |
| // temp = temp->dex_cache_resolved_methods_; |
| __ Ldr(temp, HeapOperand(temp, mirror::ArtMethod::DexCacheResolvedMethodsOffset())); |
| // temp = temp[index_in_cache]; |
| __ Ldr(temp, HeapOperand(temp, index_in_cache)); |
| // lr = temp->entry_point_from_quick_compiled_code_; |
| __ Ldr(lr, HeapOperand(temp, mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset( |
| kArm64WordSize))); |
| // lr(); |
| __ Blr(lr); |
| |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| DCHECK(!codegen_->IsLeafMethod()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitInvokeVirtual(HInvokeVirtual* invoke) { |
| LocationSummary* locations = invoke->GetLocations(); |
| Location receiver = locations->InAt(0); |
| Register temp = WRegisterFrom(invoke->GetLocations()->GetTemp(0)); |
| size_t method_offset = mirror::Class::EmbeddedVTableOffset().SizeValue() + |
| invoke->GetVTableIndex() * sizeof(mirror::Class::VTableEntry); |
| Offset class_offset = mirror::Object::ClassOffset(); |
| Offset entry_point = mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArm64WordSize); |
| |
| // temp = object->GetClass(); |
| if (receiver.IsStackSlot()) { |
| __ Ldr(temp, MemOperand(sp, receiver.GetStackIndex())); |
| __ Ldr(temp, HeapOperand(temp, class_offset)); |
| } else { |
| DCHECK(receiver.IsRegister()); |
| __ Ldr(temp, HeapOperandFrom(receiver, class_offset)); |
| } |
| codegen_->MaybeRecordImplicitNullCheck(invoke); |
| // temp = temp->GetMethodAt(method_offset); |
| __ Ldr(temp, HeapOperand(temp, method_offset)); |
| // lr = temp->GetEntryPoint(); |
| __ Ldr(lr, HeapOperand(temp, entry_point.SizeValue())); |
| // lr(); |
| __ Blr(lr); |
| DCHECK(!codegen_->IsLeafMethod()); |
| codegen_->RecordPcInfo(invoke, invoke->GetDexPc()); |
| } |
| |
| void LocationsBuilderARM64::VisitLoadClass(HLoadClass* cls) { |
| LocationSummary::CallKind call_kind = cls->CanCallRuntime() ? LocationSummary::kCallOnSlowPath |
| : LocationSummary::kNoCall; |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(cls, call_kind); |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLoadClass(HLoadClass* cls) { |
| Register out = OutputRegister(cls); |
| if (cls->IsReferrersClass()) { |
| DCHECK(!cls->CanCallRuntime()); |
| DCHECK(!cls->MustGenerateClinitCheck()); |
| codegen_->LoadCurrentMethod(out); |
| __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DeclaringClassOffset())); |
| } else { |
| DCHECK(cls->CanCallRuntime()); |
| codegen_->LoadCurrentMethod(out); |
| __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DexCacheResolvedTypesOffset())); |
| __ Ldr(out, HeapOperand(out, CodeGenerator::GetCacheOffset(cls->GetTypeIndex()))); |
| |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM64( |
| cls, cls, cls->GetDexPc(), cls->MustGenerateClinitCheck()); |
| codegen_->AddSlowPath(slow_path); |
| __ Cbz(out, slow_path->GetEntryLabel()); |
| if (cls->MustGenerateClinitCheck()) { |
| GenerateClassInitializationCheck(slow_path, out); |
| } else { |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitLoadException(HLoadException* load) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(load, LocationSummary::kNoCall); |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLoadException(HLoadException* instruction) { |
| MemOperand exception = MemOperand(tr, Thread::ExceptionOffset<kArm64WordSize>().Int32Value()); |
| __ Ldr(OutputRegister(instruction), exception); |
| __ Str(wzr, exception); |
| } |
| |
| void LocationsBuilderARM64::VisitLoadLocal(HLoadLocal* load) { |
| load->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLoadLocal(HLoadLocal* load) { |
| // Nothing to do, this is driven by the code generator. |
| UNUSED(load); |
| } |
| |
| void LocationsBuilderARM64::VisitLoadString(HLoadString* load) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(load, LocationSummary::kCallOnSlowPath); |
| locations->SetOut(Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLoadString(HLoadString* load) { |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) LoadStringSlowPathARM64(load); |
| codegen_->AddSlowPath(slow_path); |
| |
| Register out = OutputRegister(load); |
| codegen_->LoadCurrentMethod(out); |
| __ Ldr(out, HeapOperand(out, mirror::ArtMethod::DeclaringClassOffset())); |
| __ Ldr(out, HeapOperand(out, mirror::Class::DexCacheStringsOffset())); |
| __ Ldr(out, HeapOperand(out, CodeGenerator::GetCacheOffset(load->GetStringIndex()))); |
| __ Cbz(out, slow_path->GetEntryLabel()); |
| __ Bind(slow_path->GetExitLabel()); |
| } |
| |
| void LocationsBuilderARM64::VisitLocal(HLocal* local) { |
| local->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLocal(HLocal* local) { |
| DCHECK_EQ(local->GetBlock(), GetGraph()->GetEntryBlock()); |
| } |
| |
| void LocationsBuilderARM64::VisitLongConstant(HLongConstant* constant) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(constant); |
| locations->SetOut(Location::ConstantLocation(constant)); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitLongConstant(HLongConstant* constant) { |
| // Will be generated at use site. |
| UNUSED(constant); |
| } |
| |
| void LocationsBuilderARM64::VisitMonitorOperation(HMonitorOperation* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0))); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitMonitorOperation(HMonitorOperation* instruction) { |
| codegen_->InvokeRuntime(instruction->IsEnter() |
| ? QUICK_ENTRY_POINT(pLockObject) : QUICK_ENTRY_POINT(pUnlockObject), |
| instruction, |
| instruction->GetDexPc()); |
| CheckEntrypointTypes<kQuickLockObject, void, mirror::Object*>(); |
| } |
| |
| void LocationsBuilderARM64::VisitMul(HMul* mul) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(mul, LocationSummary::kNoCall); |
| switch (mul->GetResultType()) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetInAt(1, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected mul type " << mul->GetResultType(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitMul(HMul* mul) { |
| switch (mul->GetResultType()) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| __ Mul(OutputRegister(mul), InputRegisterAt(mul, 0), InputRegisterAt(mul, 1)); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| __ Fmul(OutputFPRegister(mul), InputFPRegisterAt(mul, 0), InputFPRegisterAt(mul, 1)); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected mul type " << mul->GetResultType(); |
| } |
| } |
| |
| void LocationsBuilderARM64::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::RegisterOrConstant(neg->InputAt(0))); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected neg type " << neg->GetResultType(); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitNeg(HNeg* neg) { |
| switch (neg->GetResultType()) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| __ Neg(OutputRegister(neg), InputOperandAt(neg, 0)); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: |
| __ Fneg(OutputFPRegister(neg), InputFPRegisterAt(neg, 0)); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected neg type " << neg->GetResultType(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitNewArray(HNewArray* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(0))); |
| locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(2))); |
| locations->SetOut(LocationFrom(x0)); |
| locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(1))); |
| CheckEntrypointTypes<kQuickAllocArrayWithAccessCheck, |
| void*, uint32_t, int32_t, mirror::ArtMethod*>(); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitNewArray(HNewArray* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| InvokeRuntimeCallingConvention calling_convention; |
| Register type_index = RegisterFrom(locations->GetTemp(0), Primitive::kPrimInt); |
| DCHECK(type_index.Is(w0)); |
| Register current_method = RegisterFrom(locations->GetTemp(1), Primitive::kPrimNot); |
| DCHECK(current_method.Is(w2)); |
| codegen_->LoadCurrentMethod(current_method); |
| __ Mov(type_index, instruction->GetTypeIndex()); |
| codegen_->InvokeRuntime( |
| QUICK_ENTRY_POINT(pAllocArrayWithAccessCheck), instruction, instruction->GetDexPc()); |
| CheckEntrypointTypes<kQuickAllocArrayWithAccessCheck, |
| void*, uint32_t, int32_t, mirror::ArtMethod*>(); |
| } |
| |
| void LocationsBuilderARM64::VisitNewInstance(HNewInstance* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(0))); |
| locations->AddTemp(LocationFrom(calling_convention.GetRegisterAt(1))); |
| locations->SetOut(calling_convention.GetReturnLocation(Primitive::kPrimNot)); |
| CheckEntrypointTypes<kQuickAllocObjectWithAccessCheck, void*, uint32_t, mirror::ArtMethod*>(); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitNewInstance(HNewInstance* instruction) { |
| LocationSummary* locations = instruction->GetLocations(); |
| Register type_index = RegisterFrom(locations->GetTemp(0), Primitive::kPrimInt); |
| DCHECK(type_index.Is(w0)); |
| Register current_method = RegisterFrom(locations->GetTemp(1), Primitive::kPrimNot); |
| DCHECK(current_method.Is(w1)); |
| codegen_->LoadCurrentMethod(current_method); |
| __ Mov(type_index, instruction->GetTypeIndex()); |
| codegen_->InvokeRuntime( |
| QUICK_ENTRY_POINT(pAllocObjectWithAccessCheck), instruction, instruction->GetDexPc()); |
| CheckEntrypointTypes<kQuickAllocObjectWithAccessCheck, void*, uint32_t, mirror::ArtMethod*>(); |
| } |
| |
| void LocationsBuilderARM64::VisitNot(HNot* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitNot(HNot* instruction) { |
| switch (instruction->InputAt(0)->GetType()) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| __ Mvn(OutputRegister(instruction), InputOperandAt(instruction, 0)); |
| break; |
| |
| default: |
| LOG(FATAL) << "Unexpected type for not operation " << instruction->GetResultType(); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitNullCheck(HNullCheck* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| if (instruction->HasUses()) { |
| locations->SetOut(Location::SameAsFirstInput()); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::GenerateImplicitNullCheck(HNullCheck* instruction) { |
| if (codegen_->CanMoveNullCheckToUser(instruction)) { |
| return; |
| } |
| Location obj = instruction->GetLocations()->InAt(0); |
| |
| __ Ldr(wzr, HeapOperandFrom(obj, Offset(0))); |
| codegen_->RecordPcInfo(instruction, instruction->GetDexPc()); |
| } |
| |
| void InstructionCodeGeneratorARM64::GenerateExplicitNullCheck(HNullCheck* instruction) { |
| SlowPathCodeARM64* slow_path = new (GetGraph()->GetArena()) NullCheckSlowPathARM64(instruction); |
| codegen_->AddSlowPath(slow_path); |
| |
| LocationSummary* locations = instruction->GetLocations(); |
| Location obj = locations->InAt(0); |
| |
| __ Cbz(RegisterFrom(obj, instruction->InputAt(0)->GetType()), slow_path->GetEntryLabel()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitNullCheck(HNullCheck* instruction) { |
| if (codegen_->GetCompilerOptions().GetImplicitNullChecks()) { |
| GenerateImplicitNullCheck(instruction); |
| } else { |
| GenerateExplicitNullCheck(instruction); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitOr(HOr* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitOr(HOr* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitParallelMove(HParallelMove* instruction ATTRIBUTE_UNUSED) { |
| LOG(FATAL) << "Unreachable"; |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitParallelMove(HParallelMove* instruction) { |
| codegen_->GetMoveResolver()->EmitNativeCode(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitParameterValue(HParameterValue* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| 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 InstructionCodeGeneratorARM64::VisitParameterValue(HParameterValue* instruction) { |
| // Nothing to do, the parameter is already at its location. |
| UNUSED(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitPhi(HPhi* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| for (size_t i = 0, e = instruction->InputCount(); i < e; ++i) { |
| locations->SetInAt(i, Location::Any()); |
| } |
| locations->SetOut(Location::Any()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitPhi(HPhi* instruction) { |
| UNUSED(instruction); |
| LOG(FATAL) << "Unreachable"; |
| } |
| |
| void LocationsBuilderARM64::VisitRem(HRem* rem) { |
| Primitive::Type type = rem->GetResultType(); |
| LocationSummary::CallKind call_kind = IsFPType(type) ? LocationSummary::kCall |
| : LocationSummary::kNoCall; |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(rem, call_kind); |
| |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| break; |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, LocationFrom(calling_convention.GetFpuRegisterAt(0))); |
| locations->SetInAt(1, LocationFrom(calling_convention.GetFpuRegisterAt(1))); |
| locations->SetOut(calling_convention.GetReturnLocation(type)); |
| |
| break; |
| } |
| |
| default: |
| LOG(FATAL) << "Unexpected rem type " << type; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitRem(HRem* rem) { |
| Primitive::Type type = rem->GetResultType(); |
| |
| switch (type) { |
| case Primitive::kPrimInt: |
| case Primitive::kPrimLong: { |
| UseScratchRegisterScope temps(GetVIXLAssembler()); |
| Register dividend = InputRegisterAt(rem, 0); |
| Register divisor = InputRegisterAt(rem, 1); |
| Register output = OutputRegister(rem); |
| Register temp = temps.AcquireSameSizeAs(output); |
| |
| __ Sdiv(temp, dividend, divisor); |
| __ Msub(output, temp, divisor, dividend); |
| break; |
| } |
| |
| case Primitive::kPrimFloat: |
| case Primitive::kPrimDouble: { |
| int32_t entry_offset = (type == Primitive::kPrimFloat) ? QUICK_ENTRY_POINT(pFmodf) |
| : QUICK_ENTRY_POINT(pFmod); |
| codegen_->InvokeRuntime(entry_offset, rem, rem->GetDexPc()); |
| break; |
| } |
| |
| default: |
| LOG(FATAL) << "Unexpected rem type " << type; |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitReturn(HReturn* instruction) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction); |
| Primitive::Type return_type = instruction->InputAt(0)->GetType(); |
| locations->SetInAt(0, ARM64ReturnLocation(return_type)); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitReturn(HReturn* instruction) { |
| UNUSED(instruction); |
| codegen_->GenerateFrameExit(); |
| __ Ret(); |
| } |
| |
| void LocationsBuilderARM64::VisitReturnVoid(HReturnVoid* instruction) { |
| instruction->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitReturnVoid(HReturnVoid* instruction) { |
| UNUSED(instruction); |
| codegen_->GenerateFrameExit(); |
| __ Ret(); |
| } |
| |
| void LocationsBuilderARM64::VisitShl(HShl* shl) { |
| HandleShift(shl); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitShl(HShl* shl) { |
| HandleShift(shl); |
| } |
| |
| void LocationsBuilderARM64::VisitShr(HShr* shr) { |
| HandleShift(shr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitShr(HShr* shr) { |
| HandleShift(shr); |
| } |
| |
| void LocationsBuilderARM64::VisitStoreLocal(HStoreLocal* store) { |
| LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(store); |
| Primitive::Type field_type = store->InputAt(1)->GetType(); |
| switch (field_type) { |
| case Primitive::kPrimNot: |
| case Primitive::kPrimBoolean: |
| case Primitive::kPrimByte: |
| case Primitive::kPrimChar: |
| case Primitive::kPrimShort: |
| case Primitive::kPrimInt: |
| 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) << "Unimplemented local type " << field_type; |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitStoreLocal(HStoreLocal* store) { |
| UNUSED(store); |
| } |
| |
| void LocationsBuilderARM64::VisitSub(HSub* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitSub(HSub* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void LocationsBuilderARM64::VisitStaticFieldGet(HStaticFieldGet* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitStaticFieldGet(HStaticFieldGet* instruction) { |
| MemOperand field = HeapOperand(InputRegisterAt(instruction, 0), instruction->GetFieldOffset()); |
| |
| if (instruction->IsVolatile()) { |
| if (kUseAcquireRelease) { |
| // NB: LoadAcquire will record the pc info if needed. |
| codegen_->LoadAcquire(instruction, OutputCPURegister(instruction), field); |
| } else { |
| codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
| // For IRIW sequential consistency kLoadAny is not sufficient. |
| GenerateMemoryBarrier(MemBarrierKind::kAnyAny); |
| } |
| } else { |
| codegen_->Load(instruction->GetType(), OutputCPURegister(instruction), field); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitStaticFieldSet(HStaticFieldSet* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall); |
| locations->SetInAt(0, Location::RequiresRegister()); |
| locations->SetInAt(1, Location::RequiresRegister()); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitStaticFieldSet(HStaticFieldSet* instruction) { |
| Register cls = InputRegisterAt(instruction, 0); |
| CPURegister value = InputCPURegisterAt(instruction, 1); |
| Offset offset = instruction->GetFieldOffset(); |
| Primitive::Type field_type = instruction->GetFieldType(); |
| |
| if (instruction->IsVolatile()) { |
| if (kUseAcquireRelease) { |
| codegen_->StoreRelease(field_type, value, HeapOperand(cls, offset)); |
| } else { |
| GenerateMemoryBarrier(MemBarrierKind::kAnyStore); |
| codegen_->Store(field_type, value, HeapOperand(cls, offset)); |
| GenerateMemoryBarrier(MemBarrierKind::kAnyAny); |
| } |
| } else { |
| codegen_->Store(field_type, value, HeapOperand(cls, offset)); |
| } |
| |
| if (CodeGenerator::StoreNeedsWriteBarrier(field_type, instruction->InputAt(1))) { |
| codegen_->MarkGCCard(cls, Register(value)); |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitSuspendCheck(HSuspendCheck* instruction) { |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnSlowPath); |
| } |
| |
| void InstructionCodeGeneratorARM64::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 LocationsBuilderARM64::VisitTemporary(HTemporary* temp) { |
| temp->SetLocations(nullptr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitTemporary(HTemporary* temp) { |
| // Nothing to do, this is driven by the code generator. |
| UNUSED(temp); |
| } |
| |
| void LocationsBuilderARM64::VisitThrow(HThrow* instruction) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCall); |
| InvokeRuntimeCallingConvention calling_convention; |
| locations->SetInAt(0, LocationFrom(calling_convention.GetRegisterAt(0))); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitThrow(HThrow* instruction) { |
| codegen_->InvokeRuntime( |
| QUICK_ENTRY_POINT(pDeliverException), instruction, instruction->GetDexPc()); |
| CheckEntrypointTypes<kQuickDeliverException, void, mirror::Object*>(); |
| } |
| |
| void LocationsBuilderARM64::VisitTypeConversion(HTypeConversion* conversion) { |
| LocationSummary* locations = |
| new (GetGraph()->GetArena()) LocationSummary(conversion, LocationSummary::kNoCall); |
| Primitive::Type input_type = conversion->GetInputType(); |
| Primitive::Type result_type = conversion->GetResultType(); |
| DCHECK_NE(input_type, result_type); |
| if ((input_type == Primitive::kPrimNot) || (input_type == Primitive::kPrimVoid) || |
| (result_type == Primitive::kPrimNot) || (result_type == Primitive::kPrimVoid)) { |
| LOG(FATAL) << "Unexpected type conversion from " << input_type << " to " << result_type; |
| } |
| |
| if (IsFPType(input_type)) { |
| locations->SetInAt(0, Location::RequiresFpuRegister()); |
| } else { |
| locations->SetInAt(0, Location::RequiresRegister()); |
| } |
| |
| if (IsFPType(result_type)) { |
| locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap); |
| } else { |
| locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap); |
| } |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitTypeConversion(HTypeConversion* conversion) { |
| Primitive::Type result_type = conversion->GetResultType(); |
| Primitive::Type input_type = conversion->GetInputType(); |
| |
| DCHECK_NE(input_type, result_type); |
| |
| if (IsIntegralType(result_type) && IsIntegralType(input_type)) { |
| int result_size = Primitive::ComponentSize(result_type); |
| int input_size = Primitive::ComponentSize(input_type); |
| int min_size = std::min(result_size, input_size); |
| Register output = OutputRegister(conversion); |
| Register source = InputRegisterAt(conversion, 0); |
| if ((result_type == Primitive::kPrimChar) && (input_size < result_size)) { |
| __ Ubfx(output, source, 0, result_size * kBitsPerByte); |
| } else if ((result_type == Primitive::kPrimChar) || |
| ((input_type == Primitive::kPrimChar) && (result_size > input_size))) { |
| __ Ubfx(output, output.IsX() ? source.X() : source.W(), 0, min_size * kBitsPerByte); |
| } else { |
| __ Sbfx(output, output.IsX() ? source.X() : source.W(), 0, min_size * kBitsPerByte); |
| } |
| } else if (IsFPType(result_type) && IsIntegralType(input_type)) { |
| __ Scvtf(OutputFPRegister(conversion), InputRegisterAt(conversion, 0)); |
| } else if (IsIntegralType(result_type) && IsFPType(input_type)) { |
| CHECK(result_type == Primitive::kPrimInt || result_type == Primitive::kPrimLong); |
| __ Fcvtzs(OutputRegister(conversion), InputFPRegisterAt(conversion, 0)); |
| } else if (IsFPType(result_type) && IsFPType(input_type)) { |
| __ Fcvt(OutputFPRegister(conversion), InputFPRegisterAt(conversion, 0)); |
| } else { |
| LOG(FATAL) << "Unexpected or unimplemented type conversion from " << input_type |
| << " to " << result_type; |
| } |
| } |
| |
| void LocationsBuilderARM64::VisitUShr(HUShr* ushr) { |
| HandleShift(ushr); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitUShr(HUShr* ushr) { |
| HandleShift(ushr); |
| } |
| |
| void LocationsBuilderARM64::VisitXor(HXor* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| void InstructionCodeGeneratorARM64::VisitXor(HXor* instruction) { |
| HandleBinaryOp(instruction); |
| } |
| |
| #undef __ |
| #undef QUICK_ENTRY_POINT |
| |
| } // namespace arm64 |
| } // namespace art |