Revision f230a1cf deps/v8/src/x64/lithium-codegen-x64.h
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#include "checks.h" |
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#include "deoptimizer.h" |
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#include "lithium-codegen.h" |
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#include "safepoint-table.h" |
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#include "scopes.h" |
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#include "v8utils.h" |
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class LDeferredCode; |
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class SafepointGenerator; |
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class LCodeGen V8_FINAL BASE_EMBEDDED {
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class LCodeGen: public LCodeGenBase {
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public: |
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LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) |
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: zone_(info->zone()), |
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chunk_(static_cast<LPlatformChunk*>(chunk)), |
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masm_(assembler), |
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info_(info), |
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current_block_(-1), |
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current_instruction_(-1), |
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instructions_(chunk->instructions()), |
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: LCodeGenBase(chunk, assembler, info), |
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deoptimizations_(4, info->zone()), |
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jump_table_(4, info->zone()), |
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deoptimization_literals_(8, info->zone()), |
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inlined_function_count_(0), |
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scope_(info->scope()), |
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status_(UNUSED), |
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translations_(info->zone()), |
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deferred_(8, info->zone()), |
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osr_pc_offset_(-1), |
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last_lazy_deopt_pc_(0), |
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frame_is_built_(false), |
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safepoints_(info->zone()), |
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resolver_(this), |
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expected_safepoint_kind_(Safepoint::kSimple), |
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old_position_(RelocInfo::kNoPosition) {
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expected_safepoint_kind_(Safepoint::kSimple) {
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PopulateDeoptimizationLiteralsWithInlinedFunctions(); |
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} |
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// Simple accessors. |
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MacroAssembler* masm() const { return masm_; }
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CompilationInfo* info() const { return info_; }
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Isolate* isolate() const { return info_->isolate(); }
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Factory* factory() const { return isolate()->factory(); }
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Heap* heap() const { return isolate()->heap(); }
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Zone* zone() const { return zone_; }
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int LookupDestination(int block_id) const {
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return chunk()->LookupDestination(block_id); |
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} |
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#undef DECLARE_DO |
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private: |
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enum Status {
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UNUSED, |
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GENERATING, |
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DONE, |
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ABORTED |
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}; |
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bool is_unused() const { return status_ == UNUSED; }
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bool is_generating() const { return status_ == GENERATING; }
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bool is_done() const { return status_ == DONE; }
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bool is_aborted() const { return status_ == ABORTED; }
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StrictModeFlag strict_mode_flag() const {
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return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; |
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} |
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Scope* scope() const { return scope_; }
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HGraph* graph() const { return chunk()->graph(); }
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int GetNextEmittedBlock() const;
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XMMRegister double_scratch0() const { return xmm0; }
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void EmitClassOfTest(Label* if_true, |
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Label* if_false, |
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int GetStackSlotCount() const { return chunk()->spill_slot_count(); }
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void Abort(BailoutReason reason); |
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void FPRINTF_CHECKING Comment(const char* format, ...); |
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void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); }
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// Code generation passes. Returns true if code generation should |
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// continue. |
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bool GeneratePrologue(); |
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bool GenerateBody(); |
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bool GenerateDeferredCode(); |
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bool GenerateJumpTable(); |
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bool GenerateSafepointTable(); |
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void CallRuntime(const Runtime::Function* function, |
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int num_arguments, |
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LInstruction* instr); |
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LInstruction* instr, |
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SaveFPRegsMode save_doubles = kDontSaveFPRegs); |
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void CallRuntime(Runtime::FunctionId id, |
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int num_arguments, |
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void RecordSafepointWithRegisters(LPointerMap* pointers, |
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int arguments, |
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Safepoint::DeoptMode mode); |
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void RecordPosition(int position); |
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void RecordAndUpdatePosition(int position); |
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void RecordAndWritePosition(int position) V8_OVERRIDE; |
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static Condition TokenToCondition(Token::Value op, bool is_unsigned); |
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void EmitGoto(int block); |
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int* offset, |
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AllocationSiteMode mode); |
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void EnsureSpaceForLazyDeopt(int space_needed); |
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void EnsureSpaceForLazyDeopt(int space_needed) V8_OVERRIDE;
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void DoLoadKeyedExternalArray(LLoadKeyed* instr); |
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void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); |
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void DoLoadKeyedFixedArray(LLoadKeyed* instr); |
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void MakeSureStackPagesMapped(int offset); |
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#endif |
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Zone* zone_; |
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LPlatformChunk* const chunk_; |
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MacroAssembler* const masm_; |
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CompilationInfo* const info_; |
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int current_block_; |
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int current_instruction_; |
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const ZoneList<LInstruction*>* instructions_; |
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ZoneList<LEnvironment*> deoptimizations_; |
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ZoneList<Deoptimizer::JumpTableEntry> jump_table_; |
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ZoneList<Handle<Object> > deoptimization_literals_; |
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int inlined_function_count_; |
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Scope* const scope_; |
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Status status_; |
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TranslationBuffer translations_; |
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ZoneList<LDeferredCode*> deferred_; |
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int osr_pc_offset_; |
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int last_lazy_deopt_pc_; |
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bool frame_is_built_; |
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// Builder that keeps track of safepoints in the code. The table |
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Safepoint::Kind expected_safepoint_kind_; |
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int old_position_; |
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class PushSafepointRegistersScope V8_FINAL BASE_EMBEDDED {
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public: |
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explicit PushSafepointRegistersScope(LCodeGen* codegen) |
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