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/*
* Copyright (C) 2015 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.
*/
#ifndef ART_COMPILER_OPTIMIZING_CODE_GENERATOR_MIPS64_H_
#define ART_COMPILER_OPTIMIZING_CODE_GENERATOR_MIPS64_H_
#include "code_generator.h"
#include "driver/compiler_options.h"
#include "nodes.h"
#include "parallel_move_resolver.h"
#include "type_reference.h"
#include "utils/mips64/assembler_mips64.h"
namespace art {
namespace mips64 {
// InvokeDexCallingConvention registers
static constexpr GpuRegister kParameterCoreRegisters[] =
{ A1, A2, A3, A4, A5, A6, A7 };
static constexpr size_t kParameterCoreRegistersLength = arraysize(kParameterCoreRegisters);
static constexpr FpuRegister kParameterFpuRegisters[] =
{ F13, F14, F15, F16, F17, F18, F19 };
static constexpr size_t kParameterFpuRegistersLength = arraysize(kParameterFpuRegisters);
// InvokeRuntimeCallingConvention registers
static constexpr GpuRegister kRuntimeParameterCoreRegisters[] =
{ A0, A1, A2, A3, A4, A5, A6, A7 };
static constexpr size_t kRuntimeParameterCoreRegistersLength =
arraysize(kRuntimeParameterCoreRegisters);
static constexpr FpuRegister kRuntimeParameterFpuRegisters[] =
{ F12, F13, F14, F15, F16, F17, F18, F19 };
static constexpr size_t kRuntimeParameterFpuRegistersLength =
arraysize(kRuntimeParameterFpuRegisters);
static constexpr GpuRegister kCoreCalleeSaves[] =
{ S0, S1, S2, S3, S4, S5, S6, S7, GP, S8, RA };
static constexpr FpuRegister kFpuCalleeSaves[] =
{ F24, F25, F26, F27, F28, F29, F30, F31 };
class CodeGeneratorMIPS64;
VectorRegister VectorRegisterFrom(Location location);
class InvokeDexCallingConvention : public CallingConvention<GpuRegister, FpuRegister> {
public:
InvokeDexCallingConvention()
: CallingConvention(kParameterCoreRegisters,
kParameterCoreRegistersLength,
kParameterFpuRegisters,
kParameterFpuRegistersLength,
kMips64PointerSize) {}
private:
DISALLOW_COPY_AND_ASSIGN(InvokeDexCallingConvention);
};
class InvokeDexCallingConventionVisitorMIPS64 : public InvokeDexCallingConventionVisitor {
public:
InvokeDexCallingConventionVisitorMIPS64() {}
virtual ~InvokeDexCallingConventionVisitorMIPS64() {}
Location GetNextLocation(DataType::Type type) OVERRIDE;
Location GetReturnLocation(DataType::Type type) const OVERRIDE;
Location GetMethodLocation() const OVERRIDE;
private:
InvokeDexCallingConvention calling_convention;
DISALLOW_COPY_AND_ASSIGN(InvokeDexCallingConventionVisitorMIPS64);
};
class InvokeRuntimeCallingConvention : public CallingConvention<GpuRegister, FpuRegister> {
public:
InvokeRuntimeCallingConvention()
: CallingConvention(kRuntimeParameterCoreRegisters,
kRuntimeParameterCoreRegistersLength,
kRuntimeParameterFpuRegisters,
kRuntimeParameterFpuRegistersLength,
kMips64PointerSize) {}
Location GetReturnLocation(DataType::Type return_type);
private:
DISALLOW_COPY_AND_ASSIGN(InvokeRuntimeCallingConvention);
};
class FieldAccessCallingConventionMIPS64 : public FieldAccessCallingConvention {
public:
FieldAccessCallingConventionMIPS64() {}
Location GetObjectLocation() const OVERRIDE {
return Location::RegisterLocation(A1);
}
Location GetFieldIndexLocation() const OVERRIDE {
return Location::RegisterLocation(A0);
}
Location GetReturnLocation(DataType::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
return Location::RegisterLocation(V0);
}
Location GetSetValueLocation(DataType::Type type ATTRIBUTE_UNUSED,
bool is_instance) const OVERRIDE {
return is_instance
? Location::RegisterLocation(A2)
: Location::RegisterLocation(A1);
}
Location GetFpuLocation(DataType::Type type ATTRIBUTE_UNUSED) const OVERRIDE {
return Location::FpuRegisterLocation(F0);
}
private:
DISALLOW_COPY_AND_ASSIGN(FieldAccessCallingConventionMIPS64);
};
class ParallelMoveResolverMIPS64 : public ParallelMoveResolverWithSwap {
public:
ParallelMoveResolverMIPS64(ArenaAllocator* allocator, CodeGeneratorMIPS64* codegen)
: ParallelMoveResolverWithSwap(allocator), codegen_(codegen) {}
void EmitMove(size_t index) OVERRIDE;
void EmitSwap(size_t index) OVERRIDE;
void SpillScratch(int reg) OVERRIDE;
void RestoreScratch(int reg) OVERRIDE;
void Exchange(int index1, int index2, bool double_slot);
Mips64Assembler* GetAssembler() const;
private:
CodeGeneratorMIPS64* const codegen_;
DISALLOW_COPY_AND_ASSIGN(ParallelMoveResolverMIPS64);
};
class SlowPathCodeMIPS64 : public SlowPathCode {
public:
explicit SlowPathCodeMIPS64(HInstruction* instruction)
: SlowPathCode(instruction), entry_label_(), exit_label_() {}
Mips64Label* GetEntryLabel() { return &entry_label_; }
Mips64Label* GetExitLabel() { return &exit_label_; }
private:
Mips64Label entry_label_;
Mips64Label exit_label_;
DISALLOW_COPY_AND_ASSIGN(SlowPathCodeMIPS64);
};
class LocationsBuilderMIPS64 : public HGraphVisitor {
public:
LocationsBuilderMIPS64(HGraph* graph, CodeGeneratorMIPS64* codegen)
: HGraphVisitor(graph), codegen_(codegen) {}
#define DECLARE_VISIT_INSTRUCTION(name, super) \
void Visit##name(H##name* instr) OVERRIDE;
FOR_EACH_CONCRETE_INSTRUCTION_COMMON(DECLARE_VISIT_INSTRUCTION)
FOR_EACH_CONCRETE_INSTRUCTION_MIPS64(DECLARE_VISIT_INSTRUCTION)
#undef DECLARE_VISIT_INSTRUCTION
void VisitInstruction(HInstruction* instruction) OVERRIDE {
LOG(FATAL) << "Unreachable instruction " << instruction->DebugName()
<< " (id " << instruction->GetId() << ")";
}
private:
void HandleInvoke(HInvoke* invoke);
void HandleBinaryOp(HBinaryOperation* operation);
void HandleCondition(HCondition* instruction);
void HandleShift(HBinaryOperation* operation);
void HandleFieldSet(HInstruction* instruction, const FieldInfo& field_info);
void HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info);
Location RegisterOrZeroConstant(HInstruction* instruction);
Location FpuRegisterOrConstantForStore(HInstruction* instruction);
InvokeDexCallingConventionVisitorMIPS64 parameter_visitor_;
CodeGeneratorMIPS64* const codegen_;
DISALLOW_COPY_AND_ASSIGN(LocationsBuilderMIPS64);
};
class InstructionCodeGeneratorMIPS64 : public InstructionCodeGenerator {
public:
InstructionCodeGeneratorMIPS64(HGraph* graph, CodeGeneratorMIPS64* codegen);
#define DECLARE_VISIT_INSTRUCTION(name, super) \
void Visit##name(H##name* instr) OVERRIDE;
FOR_EACH_CONCRETE_INSTRUCTION_COMMON(DECLARE_VISIT_INSTRUCTION)
FOR_EACH_CONCRETE_INSTRUCTION_MIPS64(DECLARE_VISIT_INSTRUCTION)
#undef DECLARE_VISIT_INSTRUCTION
void VisitInstruction(HInstruction* instruction) OVERRIDE {
LOG(FATAL) << "Unreachable instruction " << instruction->DebugName()
<< " (id " << instruction->GetId() << ")";
}
Mips64Assembler* GetAssembler() const { return assembler_; }
// Compare-and-jump packed switch generates approx. 3 + 2.5 * N 32-bit
// instructions for N cases.
// Table-based packed switch generates approx. 11 32-bit instructions
// and N 32-bit data words for N cases.
// At N = 6 they come out as 18 and 17 32-bit words respectively.
// We switch to the table-based method starting with 7 cases.
static constexpr uint32_t kPackedSwitchJumpTableThreshold = 6;
void GenerateMemoryBarrier(MemBarrierKind kind);
private:
void GenerateClassInitializationCheck(SlowPathCodeMIPS64* slow_path, GpuRegister class_reg);
void GenerateSuspendCheck(HSuspendCheck* check, HBasicBlock* successor);
void HandleBinaryOp(HBinaryOperation* operation);
void HandleCondition(HCondition* instruction);
void HandleShift(HBinaryOperation* operation);
void HandleFieldSet(HInstruction* instruction,
const FieldInfo& field_info,
bool value_can_be_null);
void HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info);
// Generate a heap reference load using one register `out`:
//
// out <- *(out + offset)
//
// while honoring heap poisoning and/or read barriers (if any).
//
// Location `maybe_temp` is used when generating a read barrier and
// shall be a register in that case; it may be an invalid location
// otherwise.
void GenerateReferenceLoadOneRegister(HInstruction* instruction,
Location out,
uint32_t offset,
Location maybe_temp,
ReadBarrierOption read_barrier_option);
// Generate a heap reference load using two different registers
// `out` and `obj`:
//
// out <- *(obj + offset)
//
// while honoring heap poisoning and/or read barriers (if any).
//
// Location `maybe_temp` is used when generating a Baker's (fast
// path) read barrier and shall be a register in that case; it may
// be an invalid location otherwise.
void GenerateReferenceLoadTwoRegisters(HInstruction* instruction,
Location out,
Location obj,
uint32_t offset,
Location maybe_temp,
ReadBarrierOption read_barrier_option);
// Generate a GC root reference load:
//
// root <- *(obj + offset)
//
// while honoring read barriers (if any).
void GenerateGcRootFieldLoad(HInstruction* instruction,
Location root,
GpuRegister obj,
uint32_t offset,
ReadBarrierOption read_barrier_option,
Mips64Label* label_low = nullptr);
void GenerateTestAndBranch(HInstruction* instruction,
size_t condition_input_index,
Mips64Label* true_target,
Mips64Label* false_target);
void DivRemOneOrMinusOne(HBinaryOperation* instruction);
void DivRemByPowerOfTwo(HBinaryOperation* instruction);
void GenerateDivRemWithAnyConstant(HBinaryOperation* instruction);
void GenerateDivRemIntegral(HBinaryOperation* instruction);
void GenerateIntLongCompare(IfCondition cond, bool is64bit, LocationSummary* locations);
// When the function returns `false` it means that the condition holds if `dst` is non-zero
// and doesn't hold if `dst` is zero. If it returns `true`, the roles of zero and non-zero
// `dst` are exchanged.
bool MaterializeIntLongCompare(IfCondition cond,
bool is64bit,
LocationSummary* input_locations,
GpuRegister dst);
void GenerateIntLongCompareAndBranch(IfCondition cond,
bool is64bit,
LocationSummary* locations,
Mips64Label* label);
void GenerateFpCompare(IfCondition cond,
bool gt_bias,
DataType::Type type,
LocationSummary* locations);
// When the function returns `false` it means that the condition holds if `dst` is non-zero
// and doesn't hold if `dst` is zero. If it returns `true`, the roles of zero and non-zero
// `dst` are exchanged.
bool MaterializeFpCompare(IfCondition cond,
bool gt_bias,
DataType::Type type,
LocationSummary* input_locations,
FpuRegister dst);
void GenerateFpCompareAndBranch(IfCondition cond,
bool gt_bias,
DataType::Type type,
LocationSummary* locations,
Mips64Label* label);
void HandleGoto(HInstruction* got, HBasicBlock* successor);
void GenPackedSwitchWithCompares(GpuRegister value_reg,
int32_t lower_bound,
uint32_t num_entries,
HBasicBlock* switch_block,
HBasicBlock* default_block);
void GenTableBasedPackedSwitch(GpuRegister value_reg,
int32_t lower_bound,
uint32_t num_entries,
HBasicBlock* switch_block,
HBasicBlock* default_block);
int32_t VecAddress(LocationSummary* locations,
size_t size,
/* out */ GpuRegister* adjusted_base);
void GenConditionalMove(HSelect* select);
Mips64Assembler* const assembler_;
CodeGeneratorMIPS64* const codegen_;
DISALLOW_COPY_AND_ASSIGN(InstructionCodeGeneratorMIPS64);
};
class CodeGeneratorMIPS64 : public CodeGenerator {
public:
CodeGeneratorMIPS64(HGraph* graph,
const Mips64InstructionSetFeatures& isa_features,
const CompilerOptions& compiler_options,
OptimizingCompilerStats* stats = nullptr);
virtual ~CodeGeneratorMIPS64() {}
void GenerateFrameEntry() OVERRIDE;
void GenerateFrameExit() OVERRIDE;
void Bind(HBasicBlock* block) OVERRIDE;
size_t GetWordSize() const OVERRIDE { return kMips64DoublewordSize; }
size_t GetFloatingPointSpillSlotSize() const OVERRIDE {
return GetGraph()->HasSIMD()
? 2 * kMips64DoublewordSize // 16 bytes for each spill.
: 1 * kMips64DoublewordSize; // 8 bytes for each spill.
}
uintptr_t GetAddressOf(HBasicBlock* block) OVERRIDE {
return assembler_.GetLabelLocation(GetLabelOf(block));
}
HGraphVisitor* GetLocationBuilder() OVERRIDE { return &location_builder_; }
HGraphVisitor* GetInstructionVisitor() OVERRIDE { return &instruction_visitor_; }
Mips64Assembler* GetAssembler() OVERRIDE { return &assembler_; }
const Mips64Assembler& GetAssembler() const OVERRIDE { return assembler_; }
// Emit linker patches.
void EmitLinkerPatches(ArenaVector<linker::LinkerPatch>* linker_patches) OVERRIDE;
void EmitJitRootPatches(uint8_t* code, const uint8_t* roots_data) OVERRIDE;
// Fast path implementation of ReadBarrier::Barrier for a heap
// reference field load when Baker's read barriers are used.
void GenerateFieldLoadWithBakerReadBarrier(HInstruction* instruction,
Location ref,
GpuRegister obj,
uint32_t offset,
Location temp,
bool needs_null_check);
// Fast path implementation of ReadBarrier::Barrier for a heap
// reference array load when Baker's read barriers are used.
void GenerateArrayLoadWithBakerReadBarrier(HInstruction* instruction,
Location ref,
GpuRegister obj,
uint32_t data_offset,
Location index,
Location temp,
bool needs_null_check);
// Factored implementation, used by GenerateFieldLoadWithBakerReadBarrier,
// GenerateArrayLoadWithBakerReadBarrier and some intrinsics.
//
// Load the object reference located at the address
// `obj + offset + (index << scale_factor)`, held by object `obj`, into
// `ref`, and mark it if needed.
//
// If `always_update_field` is true, the value of the reference is
// atomically updated in the holder (`obj`).
void GenerateReferenceLoadWithBakerReadBarrier(HInstruction* instruction,
Location ref,
GpuRegister obj,
uint32_t offset,
Location index,
ScaleFactor scale_factor,
Location temp,
bool needs_null_check,
bool always_update_field = false);
// Generate a read barrier for a heap reference within `instruction`
// using a slow path.
//
// A read barrier for an object reference read from the heap is
// implemented as a call to the artReadBarrierSlow runtime entry
// point, which is passed the values in locations `ref`, `obj`, and
// `offset`:
//
// mirror::Object* artReadBarrierSlow(mirror::Object* ref,
// mirror::Object* obj,
// uint32_t offset);
//
// The `out` location contains the value returned by
// artReadBarrierSlow.
//
// When `index` is provided (i.e. for array accesses), the offset
// value passed to artReadBarrierSlow is adjusted to take `index`
// into account.
void GenerateReadBarrierSlow(HInstruction* instruction,
Location out,
Location ref,
Location obj,
uint32_t offset,
Location index = Location::NoLocation());
// If read barriers are enabled, generate a read barrier for a heap
// reference using a slow path. If heap poisoning is enabled, also
// unpoison the reference in `out`.
void MaybeGenerateReadBarrierSlow(HInstruction* instruction,
Location out,
Location ref,
Location obj,
uint32_t offset,
Location index = Location::NoLocation());
// Generate a read barrier for a GC root within `instruction` using
// a slow path.
//
// A read barrier for an object reference GC root is implemented as
// a call to the artReadBarrierForRootSlow runtime entry point,
// which is passed the value in location `root`:
//
// mirror::Object* artReadBarrierForRootSlow(GcRoot<mirror::Object>* root);
//
// The `out` location contains the value returned by
// artReadBarrierForRootSlow.
void GenerateReadBarrierForRootSlow(HInstruction* instruction, Location out, Location root);
void MarkGCCard(GpuRegister object, GpuRegister value, bool value_can_be_null);
// Register allocation.
void SetupBlockedRegisters() const OVERRIDE;
size_t SaveCoreRegister(size_t stack_index, uint32_t reg_id) OVERRIDE;
size_t RestoreCoreRegister(size_t stack_index, uint32_t reg_id) OVERRIDE;
size_t SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) OVERRIDE;
size_t RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) OVERRIDE;
void DumpCoreRegister(std::ostream& stream, int reg) const OVERRIDE;
void DumpFloatingPointRegister(std::ostream& stream, int reg) const OVERRIDE;
InstructionSet GetInstructionSet() const OVERRIDE { return InstructionSet::kMips64; }
const Mips64InstructionSetFeatures& GetInstructionSetFeatures() const {
return isa_features_;
}
Mips64Label* GetLabelOf(HBasicBlock* block) const {
return CommonGetLabelOf<Mips64Label>(block_labels_, block);
}
void Initialize() OVERRIDE {
block_labels_ = CommonInitializeLabels<Mips64Label>();
}
// We prefer aligned loads and stores (less code), so spill and restore registers in slow paths
// at aligned locations.
uint32_t GetPreferredSlotsAlignment() const OVERRIDE { return kMips64DoublewordSize; }
void Finalize(CodeAllocator* allocator) OVERRIDE;
// Code generation helpers.
void MoveLocation(Location dst, Location src, DataType::Type dst_type) OVERRIDE;
void MoveConstant(Location destination, int32_t value) OVERRIDE;
void AddLocationAsTemp(Location location, LocationSummary* locations) OVERRIDE;
void SwapLocations(Location loc1, Location loc2, DataType::Type type);
// Generate code to invoke a runtime entry point.
void InvokeRuntime(QuickEntrypointEnum entrypoint,
HInstruction* instruction,
uint32_t dex_pc,
SlowPathCode* slow_path = nullptr) OVERRIDE;
// Generate code to invoke a runtime entry point, but do not record
// PC-related information in a stack map.
void InvokeRuntimeWithoutRecordingPcInfo(int32_t entry_point_offset,
HInstruction* instruction,
SlowPathCode* slow_path);
void GenerateInvokeRuntime(int32_t entry_point_offset);
ParallelMoveResolver* GetMoveResolver() OVERRIDE { return &move_resolver_; }
bool NeedsTwoRegisters(DataType::Type type ATTRIBUTE_UNUSED) const OVERRIDE { return false; }
// Check if the desired_string_load_kind is supported. If it is, return it,
// otherwise return a fall-back kind that should be used instead.
HLoadString::LoadKind GetSupportedLoadStringKind(
HLoadString::LoadKind desired_string_load_kind) OVERRIDE;
// Check if the desired_class_load_kind is supported. If it is, return it,
// otherwise return a fall-back kind that should be used instead.
HLoadClass::LoadKind GetSupportedLoadClassKind(
HLoadClass::LoadKind desired_class_load_kind) OVERRIDE;
// Check if the desired_dispatch_info is supported. If it is, return it,
// otherwise return a fall-back info that should be used instead.
HInvokeStaticOrDirect::DispatchInfo GetSupportedInvokeStaticOrDirectDispatch(
const HInvokeStaticOrDirect::DispatchInfo& desired_dispatch_info,
HInvokeStaticOrDirect* invoke) OVERRIDE;
void GenerateStaticOrDirectCall(
HInvokeStaticOrDirect* invoke, Location temp, SlowPathCode* slow_path = nullptr) OVERRIDE;
void GenerateVirtualCall(
HInvokeVirtual* invoke, Location temp, SlowPathCode* slow_path = nullptr) OVERRIDE;
void MoveFromReturnRegister(Location trg ATTRIBUTE_UNUSED,
DataType::Type type ATTRIBUTE_UNUSED) OVERRIDE {
UNIMPLEMENTED(FATAL) << "Not implemented on MIPS64";
}
void GenerateNop() OVERRIDE;
void GenerateImplicitNullCheck(HNullCheck* instruction) OVERRIDE;
void GenerateExplicitNullCheck(HNullCheck* instruction) OVERRIDE;
// The PcRelativePatchInfo is used for PC-relative addressing of dex cache arrays,
// boot image strings and method calls. The only difference is the interpretation of
// the offset_or_index.
// The 16-bit halves of the 32-bit PC-relative offset are patched separately, necessitating
// two patches/infos. There can be more than two patches/infos if the instruction supplying
// the high half is shared with e.g. a slow path, while the low half is supplied by separate
// instructions, e.g.:
// auipc r1, high // patch
// lwu r2, low(r1) // patch
// beqzc r2, slow_path
// back:
// ...
// slow_path:
// ...
// sw r2, low(r1) // patch
// bc back
struct PcRelativePatchInfo {
PcRelativePatchInfo(const DexFile& dex_file,
uint32_t off_or_idx,
const PcRelativePatchInfo* info_high)
: target_dex_file(dex_file),
offset_or_index(off_or_idx),
label(),
patch_info_high(info_high) { }
const DexFile& target_dex_file;
// Either the dex cache array element offset or the string/type/method index.
uint32_t offset_or_index;
// Label for the instruction to patch.
Mips64Label label;
// Pointer to the info for the high half patch or nullptr if this is the high half patch info.
const PcRelativePatchInfo* patch_info_high;
private:
PcRelativePatchInfo(PcRelativePatchInfo&& other) = delete;
DISALLOW_COPY_AND_ASSIGN(PcRelativePatchInfo);
};
PcRelativePatchInfo* NewPcRelativeMethodPatch(MethodReference target_method,
const PcRelativePatchInfo* info_high = nullptr);
PcRelativePatchInfo* NewMethodBssEntryPatch(MethodReference target_method,
const PcRelativePatchInfo* info_high = nullptr);
PcRelativePatchInfo* NewPcRelativeTypePatch(const DexFile& dex_file,
dex::TypeIndex type_index,
const PcRelativePatchInfo* info_high = nullptr);
PcRelativePatchInfo* NewTypeBssEntryPatch(const DexFile& dex_file,
dex::TypeIndex type_index,
const PcRelativePatchInfo* info_high = nullptr);
PcRelativePatchInfo* NewPcRelativeStringPatch(const DexFile& dex_file,
dex::StringIndex string_index,
const PcRelativePatchInfo* info_high = nullptr);
PcRelativePatchInfo* NewStringBssEntryPatch(const DexFile& dex_file,
dex::StringIndex string_index,
const PcRelativePatchInfo* info_high = nullptr);
Literal* DeduplicateBootImageAddressLiteral(uint64_t address);
void EmitPcRelativeAddressPlaceholderHigh(PcRelativePatchInfo* info_high,
GpuRegister out,
PcRelativePatchInfo* info_low = nullptr);
void PatchJitRootUse(uint8_t* code,
const uint8_t* roots_data,
const Literal* literal,
uint64_t index_in_table) const;
Literal* DeduplicateJitStringLiteral(const DexFile& dex_file,
dex::StringIndex string_index,
Handle<mirror::String> handle);
Literal* DeduplicateJitClassLiteral(const DexFile& dex_file,
dex::TypeIndex type_index,
Handle<mirror::Class> handle);
private:
using Uint32ToLiteralMap = ArenaSafeMap<uint32_t, Literal*>;
using Uint64ToLiteralMap = ArenaSafeMap<uint64_t, Literal*>;
using StringToLiteralMap = ArenaSafeMap<StringReference,
Literal*,
StringReferenceValueComparator>;
using TypeToLiteralMap = ArenaSafeMap<TypeReference,
Literal*,
TypeReferenceValueComparator>;
Literal* DeduplicateUint32Literal(uint32_t value, Uint32ToLiteralMap* map);
Literal* DeduplicateUint64Literal(uint64_t value);
PcRelativePatchInfo* NewPcRelativePatch(const DexFile& dex_file,
uint32_t offset_or_index,
const PcRelativePatchInfo* info_high,
ArenaDeque<PcRelativePatchInfo>* patches);
template <linker::LinkerPatch (*Factory)(size_t, const DexFile*, uint32_t, uint32_t)>
void EmitPcRelativeLinkerPatches(const ArenaDeque<PcRelativePatchInfo>& infos,
ArenaVector<linker::LinkerPatch>* linker_patches);
// Labels for each block that will be compiled.
Mips64Label* block_labels_; // Indexed by block id.
Mips64Label frame_entry_label_;
LocationsBuilderMIPS64 location_builder_;
InstructionCodeGeneratorMIPS64 instruction_visitor_;
ParallelMoveResolverMIPS64 move_resolver_;
Mips64Assembler assembler_;
const Mips64InstructionSetFeatures& isa_features_;
// Deduplication map for 32-bit literals, used for non-patchable boot image addresses.
Uint32ToLiteralMap uint32_literals_;
// Deduplication map for 64-bit literals, used for non-patchable method address or method code
// address.
Uint64ToLiteralMap uint64_literals_;
// PC-relative method patch info for kBootImageLinkTimePcRelative.
ArenaDeque<PcRelativePatchInfo> pc_relative_method_patches_;
// PC-relative method patch info for kBssEntry.
ArenaDeque<PcRelativePatchInfo> method_bss_entry_patches_;
// PC-relative type patch info for kBootImageLinkTimePcRelative.
ArenaDeque<PcRelativePatchInfo> pc_relative_type_patches_;
// PC-relative type patch info for kBssEntry.
ArenaDeque<PcRelativePatchInfo> type_bss_entry_patches_;
// PC-relative String patch info; type depends on configuration (intern table or boot image PIC).
ArenaDeque<PcRelativePatchInfo> pc_relative_string_patches_;
// PC-relative type patch info for kBssEntry.
ArenaDeque<PcRelativePatchInfo> string_bss_entry_patches_;
// Patches for string root accesses in JIT compiled code.
StringToLiteralMap jit_string_patches_;
// Patches for class root accesses in JIT compiled code.
TypeToLiteralMap jit_class_patches_;
DISALLOW_COPY_AND_ASSIGN(CodeGeneratorMIPS64);
};
} // namespace mips64
} // namespace art
#endif // ART_COMPILER_OPTIMIZING_CODE_GENERATOR_MIPS64_H_