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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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44 class LCodeGen BASE_EMBEDDED { | 44 class LCodeGen BASE_EMBEDDED { |
45 public: | 45 public: |
46 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info, | 46 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info, |
47 Zone* zone) | 47 Zone* zone) |
48 : chunk_(chunk), | 48 : chunk_(chunk), |
49 masm_(assembler), | 49 masm_(assembler), |
50 info_(info), | 50 info_(info), |
51 current_block_(-1), | 51 current_block_(-1), |
52 current_instruction_(-1), | 52 current_instruction_(-1), |
53 instructions_(chunk->instructions()), | 53 instructions_(chunk->instructions()), |
54 deoptimizations_(4), | 54 deoptimizations_(4, zone), |
55 deopt_jump_table_(4), | 55 deopt_jump_table_(4, zone), |
56 deoptimization_literals_(8), | 56 deoptimization_literals_(8, zone), |
57 inlined_function_count_(0), | 57 inlined_function_count_(0), |
58 scope_(info->scope()), | 58 scope_(info->scope()), |
59 status_(UNUSED), | 59 status_(UNUSED), |
60 translations_(zone), | 60 translations_(zone), |
61 deferred_(8), | 61 deferred_(8, zone), |
62 osr_pc_offset_(-1), | 62 osr_pc_offset_(-1), |
63 last_lazy_deopt_pc_(0), | 63 last_lazy_deopt_pc_(0), |
64 safepoints_(zone), | 64 safepoints_(zone), |
| 65 zone_(zone), |
65 resolver_(this), | 66 resolver_(this), |
66 expected_safepoint_kind_(Safepoint::kSimple), | 67 expected_safepoint_kind_(Safepoint::kSimple) { |
67 zone_(zone) { | |
68 PopulateDeoptimizationLiteralsWithInlinedFunctions(); | 68 PopulateDeoptimizationLiteralsWithInlinedFunctions(); |
69 } | 69 } |
70 | 70 |
71 | 71 |
72 // Simple accessors. | 72 // Simple accessors. |
73 MacroAssembler* masm() const { return masm_; } | 73 MacroAssembler* masm() const { return masm_; } |
74 CompilationInfo* info() const { return info_; } | 74 CompilationInfo* info() const { return info_; } |
75 Isolate* isolate() const { return info_->isolate(); } | 75 Isolate* isolate() const { return info_->isolate(); } |
76 Factory* factory() const { return isolate()->factory(); } | 76 Factory* factory() const { return isolate()->factory(); } |
77 Heap* heap() const { return isolate()->heap(); } | 77 Heap* heap() const { return isolate()->heap(); } |
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171 Register input, | 171 Register input, |
172 Register temporary, | 172 Register temporary, |
173 Register temporary2); | 173 Register temporary2); |
174 | 174 |
175 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 175 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
176 int GetParameterCount() const { return scope()->num_parameters(); } | 176 int GetParameterCount() const { return scope()->num_parameters(); } |
177 | 177 |
178 void Abort(const char* format, ...); | 178 void Abort(const char* format, ...); |
179 void Comment(const char* format, ...); | 179 void Comment(const char* format, ...); |
180 | 180 |
181 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code); } | 181 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } |
182 | 182 |
183 // Code generation passes. Returns true if code generation should | 183 // Code generation passes. Returns true if code generation should |
184 // continue. | 184 // continue. |
185 bool GeneratePrologue(); | 185 bool GeneratePrologue(); |
186 bool GenerateBody(); | 186 bool GenerateBody(); |
187 bool GenerateDeferredCode(); | 187 bool GenerateDeferredCode(); |
188 bool GenerateDeoptJumpTable(); | 188 bool GenerateDeoptJumpTable(); |
189 bool GenerateSafepointTable(); | 189 bool GenerateSafepointTable(); |
190 | 190 |
191 enum SafepointMode { | 191 enum SafepointMode { |
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368 Status status_; | 368 Status status_; |
369 TranslationBuffer translations_; | 369 TranslationBuffer translations_; |
370 ZoneList<LDeferredCode*> deferred_; | 370 ZoneList<LDeferredCode*> deferred_; |
371 int osr_pc_offset_; | 371 int osr_pc_offset_; |
372 int last_lazy_deopt_pc_; | 372 int last_lazy_deopt_pc_; |
373 | 373 |
374 // Builder that keeps track of safepoints in the code. The table | 374 // Builder that keeps track of safepoints in the code. The table |
375 // itself is emitted at the end of the generated code. | 375 // itself is emitted at the end of the generated code. |
376 SafepointTableBuilder safepoints_; | 376 SafepointTableBuilder safepoints_; |
377 | 377 |
| 378 Zone* zone_; |
| 379 |
378 // Compiler from a set of parallel moves to a sequential list of moves. | 380 // Compiler from a set of parallel moves to a sequential list of moves. |
379 LGapResolver resolver_; | 381 LGapResolver resolver_; |
380 | 382 |
381 Safepoint::Kind expected_safepoint_kind_; | 383 Safepoint::Kind expected_safepoint_kind_; |
382 | 384 |
383 Zone* zone_; | |
384 | |
385 class PushSafepointRegistersScope BASE_EMBEDDED { | 385 class PushSafepointRegistersScope BASE_EMBEDDED { |
386 public: | 386 public: |
387 PushSafepointRegistersScope(LCodeGen* codegen, | 387 PushSafepointRegistersScope(LCodeGen* codegen, |
388 Safepoint::Kind kind) | 388 Safepoint::Kind kind) |
389 : codegen_(codegen) { | 389 : codegen_(codegen) { |
390 ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 390 ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
391 codegen_->expected_safepoint_kind_ = kind; | 391 codegen_->expected_safepoint_kind_ = kind; |
392 | 392 |
393 switch (codegen_->expected_safepoint_kind_) { | 393 switch (codegen_->expected_safepoint_kind_) { |
394 case Safepoint::kWithRegisters: | 394 case Safepoint::kWithRegisters: |
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455 LCodeGen* codegen_; | 455 LCodeGen* codegen_; |
456 Label entry_; | 456 Label entry_; |
457 Label exit_; | 457 Label exit_; |
458 Label* external_exit_; | 458 Label* external_exit_; |
459 int instruction_index_; | 459 int instruction_index_; |
460 }; | 460 }; |
461 | 461 |
462 } } // namespace v8::internal | 462 } } // namespace v8::internal |
463 | 463 |
464 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 464 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
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