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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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39 namespace v8 { | 39 namespace v8 { |
40 namespace internal { | 40 namespace internal { |
41 | 41 |
42 // Forward declarations. | 42 // Forward declarations. |
43 class LDeferredCode; | 43 class LDeferredCode; |
44 class LGapNode; | 44 class LGapNode; |
45 class SafepointGenerator; | 45 class SafepointGenerator; |
46 | 46 |
47 class LCodeGen BASE_EMBEDDED { | 47 class LCodeGen BASE_EMBEDDED { |
48 public: | 48 public: |
49 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) | 49 LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info, |
| 50 Zone* zone) |
50 : chunk_(chunk), | 51 : chunk_(chunk), |
51 masm_(assembler), | 52 masm_(assembler), |
52 info_(info), | 53 info_(info), |
53 current_block_(-1), | 54 current_block_(-1), |
54 current_instruction_(-1), | 55 current_instruction_(-1), |
55 instructions_(chunk->instructions()), | 56 instructions_(chunk->instructions()), |
56 deoptimizations_(4), | 57 deoptimizations_(4), |
57 deoptimization_literals_(8), | 58 deoptimization_literals_(8), |
58 inlined_function_count_(0), | 59 inlined_function_count_(0), |
59 scope_(info->scope()), | 60 scope_(info->scope()), |
60 status_(UNUSED), | 61 status_(UNUSED), |
| 62 translations_(zone), |
61 deferred_(8), | 63 deferred_(8), |
62 osr_pc_offset_(-1), | 64 osr_pc_offset_(-1), |
63 last_lazy_deopt_pc_(0), | 65 last_lazy_deopt_pc_(0), |
| 66 safepoints_(zone), |
64 resolver_(this), | 67 resolver_(this), |
65 expected_safepoint_kind_(Safepoint::kSimple) { | 68 expected_safepoint_kind_(Safepoint::kSimple), |
| 69 zone_(zone) { |
66 PopulateDeoptimizationLiteralsWithInlinedFunctions(); | 70 PopulateDeoptimizationLiteralsWithInlinedFunctions(); |
67 } | 71 } |
68 | 72 |
69 // Simple accessors. | 73 // Simple accessors. |
70 MacroAssembler* masm() const { return masm_; } | 74 MacroAssembler* masm() const { return masm_; } |
71 CompilationInfo* info() const { return info_; } | 75 CompilationInfo* info() const { return info_; } |
72 Isolate* isolate() const { return info_->isolate(); } | 76 Isolate* isolate() const { return info_->isolate(); } |
73 Factory* factory() const { return isolate()->factory(); } | 77 Factory* factory() const { return isolate()->factory(); } |
74 Heap* heap() const { return isolate()->heap(); } | 78 Heap* heap() const { return isolate()->heap(); } |
| 79 Zone* zone() const { return zone_; } |
75 | 80 |
76 // Support for converting LOperands to assembler types. | 81 // Support for converting LOperands to assembler types. |
77 Operand ToOperand(LOperand* op) const; | 82 Operand ToOperand(LOperand* op) const; |
78 Register ToRegister(LOperand* op) const; | 83 Register ToRegister(LOperand* op) const; |
79 XMMRegister ToDoubleRegister(LOperand* op) const; | 84 XMMRegister ToDoubleRegister(LOperand* op) const; |
80 | 85 |
81 bool IsInteger32(LConstantOperand* op) const; | 86 bool IsInteger32(LConstantOperand* op) const; |
82 Immediate ToInteger32Immediate(LOperand* op) const { | 87 Immediate ToInteger32Immediate(LOperand* op) const { |
83 return Immediate(ToInteger32(LConstantOperand::cast(op))); | 88 return Immediate(ToInteger32(LConstantOperand::cast(op))); |
84 } | 89 } |
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342 | 347 |
343 // Builder that keeps track of safepoints in the code. The table | 348 // Builder that keeps track of safepoints in the code. The table |
344 // itself is emitted at the end of the generated code. | 349 // itself is emitted at the end of the generated code. |
345 SafepointTableBuilder safepoints_; | 350 SafepointTableBuilder safepoints_; |
346 | 351 |
347 // Compiler from a set of parallel moves to a sequential list of moves. | 352 // Compiler from a set of parallel moves to a sequential list of moves. |
348 LGapResolver resolver_; | 353 LGapResolver resolver_; |
349 | 354 |
350 Safepoint::Kind expected_safepoint_kind_; | 355 Safepoint::Kind expected_safepoint_kind_; |
351 | 356 |
| 357 Zone* zone_; |
| 358 |
352 class PushSafepointRegistersScope BASE_EMBEDDED { | 359 class PushSafepointRegistersScope BASE_EMBEDDED { |
353 public: | 360 public: |
354 explicit PushSafepointRegistersScope(LCodeGen* codegen) | 361 explicit PushSafepointRegistersScope(LCodeGen* codegen) |
355 : codegen_(codegen) { | 362 : codegen_(codegen) { |
356 ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); | 363 ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); |
357 codegen_->masm_->PushSafepointRegisters(); | 364 codegen_->masm_->PushSafepointRegisters(); |
358 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; | 365 codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; |
359 } | 366 } |
360 | 367 |
361 ~PushSafepointRegistersScope() { | 368 ~PushSafepointRegistersScope() { |
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401 LCodeGen* codegen_; | 408 LCodeGen* codegen_; |
402 Label entry_; | 409 Label entry_; |
403 Label exit_; | 410 Label exit_; |
404 Label* external_exit_; | 411 Label* external_exit_; |
405 int instruction_index_; | 412 int instruction_index_; |
406 }; | 413 }; |
407 | 414 |
408 } } // namespace v8::internal | 415 } } // namespace v8::internal |
409 | 416 |
410 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ | 417 #endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ |
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