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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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72 | 72 |
73 | 73 |
74 // Simple accessors. | 74 // Simple accessors. |
75 MacroAssembler* masm() const { return masm_; } | 75 MacroAssembler* masm() const { return masm_; } |
76 CompilationInfo* info() const { return info_; } | 76 CompilationInfo* info() const { return info_; } |
77 Isolate* isolate() const { return info_->isolate(); } | 77 Isolate* isolate() const { return info_->isolate(); } |
78 Factory* factory() const { return isolate()->factory(); } | 78 Factory* factory() const { return isolate()->factory(); } |
79 Heap* heap() const { return isolate()->heap(); } | 79 Heap* heap() const { return isolate()->heap(); } |
80 Zone* zone() const { return zone_; } | 80 Zone* zone() const { return zone_; } |
81 | 81 |
| 82 // TODO(svenpanne) Use this consistently. |
| 83 int LookupDestination(int block_id) const { |
| 84 return chunk()->LookupDestination(block_id); |
| 85 } |
| 86 |
| 87 bool IsNextEmittedBlock(int block_id) const { |
| 88 return LookupDestination(block_id) == GetNextEmittedBlock(); |
| 89 } |
| 90 |
82 bool NeedsEagerFrame() const { | 91 bool NeedsEagerFrame() const { |
83 return GetStackSlotCount() > 0 || | 92 return GetStackSlotCount() > 0 || |
84 info()->is_non_deferred_calling() || | 93 info()->is_non_deferred_calling() || |
85 !info()->IsStub() || | 94 !info()->IsStub() || |
86 info()->requires_frame(); | 95 info()->requires_frame(); |
87 } | 96 } |
88 bool NeedsDeferredFrame() const { | 97 bool NeedsDeferredFrame() const { |
89 return !NeedsEagerFrame() && info()->is_deferred_calling(); | 98 return !NeedsEagerFrame() && info()->is_deferred_calling(); |
90 } | 99 } |
91 | 100 |
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183 bool is_generating() const { return status_ == GENERATING; } | 192 bool is_generating() const { return status_ == GENERATING; } |
184 bool is_done() const { return status_ == DONE; } | 193 bool is_done() const { return status_ == DONE; } |
185 bool is_aborted() const { return status_ == ABORTED; } | 194 bool is_aborted() const { return status_ == ABORTED; } |
186 | 195 |
187 StrictModeFlag strict_mode_flag() const { | 196 StrictModeFlag strict_mode_flag() const { |
188 return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; | 197 return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; |
189 } | 198 } |
190 | 199 |
191 LPlatformChunk* chunk() const { return chunk_; } | 200 LPlatformChunk* chunk() const { return chunk_; } |
192 Scope* scope() const { return scope_; } | 201 Scope* scope() const { return scope_; } |
193 HGraph* graph() const { return chunk_->graph(); } | 202 HGraph* graph() const { return chunk()->graph(); } |
194 | 203 |
195 Register scratch0() { return kLithiumScratchReg; } | 204 Register scratch0() { return kLithiumScratchReg; } |
196 Register scratch1() { return kLithiumScratchReg2; } | 205 Register scratch1() { return kLithiumScratchReg2; } |
197 DoubleRegister double_scratch0() { return kLithiumScratchDouble; } | 206 DoubleRegister double_scratch0() { return kLithiumScratchDouble; } |
198 | 207 |
199 int GetNextEmittedBlock(); | 208 int GetNextEmittedBlock() const; |
200 LInstruction* GetNextInstruction(); | 209 LInstruction* GetNextInstruction(); |
201 | 210 |
202 void EmitClassOfTest(Label* if_true, | 211 void EmitClassOfTest(Label* if_true, |
203 Label* if_false, | 212 Label* if_false, |
204 Handle<String> class_name, | 213 Handle<String> class_name, |
205 Register input, | 214 Register input, |
206 Register temporary, | 215 Register temporary, |
207 Register temporary2); | 216 Register temporary2); |
208 | 217 |
209 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 218 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
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498 LCodeGen* codegen_; | 507 LCodeGen* codegen_; |
499 Label entry_; | 508 Label entry_; |
500 Label exit_; | 509 Label exit_; |
501 Label* external_exit_; | 510 Label* external_exit_; |
502 int instruction_index_; | 511 int instruction_index_; |
503 }; | 512 }; |
504 | 513 |
505 } } // namespace v8::internal | 514 } } // namespace v8::internal |
506 | 515 |
507 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 516 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
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