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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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| 117 // code generation attempt succeeded. | 117 // code generation attempt succeeded. |
| 118 bool GenerateCode(); | 118 bool GenerateCode(); |
| 119 | 119 |
| 120 // Finish the code by setting stack height, safepoint, and bailout | 120 // Finish the code by setting stack height, safepoint, and bailout |
| 121 // information on it. | 121 // information on it. |
| 122 void FinishCode(Handle<Code> code); | 122 void FinishCode(Handle<Code> code); |
| 123 | 123 |
| 124 void DoDeferredNumberTagD(LNumberTagD* instr); | 124 void DoDeferredNumberTagD(LNumberTagD* instr); |
| 125 | 125 |
| 126 enum IntegerSignedness { SIGNED_INT32, UNSIGNED_INT32 }; | 126 enum IntegerSignedness { SIGNED_INT32, UNSIGNED_INT32 }; |
| 127 void DoDeferredNumberTagI(LInstruction* instr, | 127 void DoDeferredNumberTagIU(LInstruction* instr, |
| 128 LOperand* value, | 128 LOperand* value, |
| 129 IntegerSignedness signedness); | 129 LOperand* temp1, |
| 130 LOperand* temp2, |
| 131 IntegerSignedness signedness); |
| 130 | 132 |
| 131 void DoDeferredTaggedToI(LTaggedToI* instr); | 133 void DoDeferredTaggedToI(LTaggedToI* instr); |
| 132 void DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr); | 134 void DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr); |
| 133 void DoDeferredStackCheck(LStackCheck* instr); | 135 void DoDeferredStackCheck(LStackCheck* instr); |
| 134 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); | 136 void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); |
| 135 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); | 137 void DoDeferredStringCharFromCode(LStringCharFromCode* instr); |
| 136 void DoDeferredAllocate(LAllocate* instr); | 138 void DoDeferredAllocate(LAllocate* instr); |
| 137 void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, | 139 void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, |
| 138 Label* map_check); | 140 Label* map_check); |
| 139 | 141 |
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| 154 | 156 |
| 155 // Emit frame translation commands for an environment. | 157 // Emit frame translation commands for an environment. |
| 156 void WriteTranslation(LEnvironment* environment, Translation* translation); | 158 void WriteTranslation(LEnvironment* environment, Translation* translation); |
| 157 | 159 |
| 158 // Declare methods that deal with the individual node types. | 160 // Declare methods that deal with the individual node types. |
| 159 #define DECLARE_DO(type) void Do##type(L##type* node); | 161 #define DECLARE_DO(type) void Do##type(L##type* node); |
| 160 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) | 162 LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) |
| 161 #undef DECLARE_DO | 163 #undef DECLARE_DO |
| 162 | 164 |
| 163 private: | 165 private: |
| 164 StrictModeFlag strict_mode_flag() const { | 166 StrictMode strict_mode() const { return info()->strict_mode(); } |
| 165 return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; | |
| 166 } | |
| 167 | 167 |
| 168 Scope* scope() const { return scope_; } | 168 Scope* scope() const { return scope_; } |
| 169 | 169 |
| 170 Register scratch0() { return kLithiumScratchReg; } | 170 Register scratch0() { return kLithiumScratchReg; } |
| 171 Register scratch1() { return kLithiumScratchReg2; } | 171 Register scratch1() { return kLithiumScratchReg2; } |
| 172 DoubleRegister double_scratch0() { return kLithiumScratchDouble; } | 172 DoubleRegister double_scratch0() { return kLithiumScratchDouble; } |
| 173 | 173 |
| 174 LInstruction* GetNextInstruction(); | 174 LInstruction* GetNextInstruction(); |
| 175 | 175 |
| 176 void EmitClassOfTest(Label* if_true, | 176 void EmitClassOfTest(Label* if_true, |
| 177 Label* if_false, | 177 Label* if_false, |
| 178 Handle<String> class_name, | 178 Handle<String> class_name, |
| 179 Register input, | 179 Register input, |
| 180 Register temporary, | 180 Register temporary, |
| 181 Register temporary2); | 181 Register temporary2); |
| 182 | 182 |
| 183 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } | 183 int GetStackSlotCount() const { return chunk()->spill_slot_count(); } |
| 184 | 184 |
| 185 void Abort(BailoutReason reason); | 185 void Abort(BailoutReason reason); |
| 186 | 186 |
| 187 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } | 187 void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } |
| 188 | 188 |
| 189 void SaveCallerDoubles(); | 189 void SaveCallerDoubles(); |
| 190 void RestoreCallerDoubles(); | 190 void RestoreCallerDoubles(); |
| 191 | 191 |
| 192 // Code generation passes. Returns true if code generation should | 192 // Code generation passes. Returns true if code generation should |
| 193 // continue. | 193 // continue. |
| 194 void GenerateBodyInstructionPre(LInstruction* instr) V8_OVERRIDE; |
| 194 bool GeneratePrologue(); | 195 bool GeneratePrologue(); |
| 195 bool GenerateDeferredCode(); | 196 bool GenerateDeferredCode(); |
| 196 bool GenerateDeoptJumpTable(); | 197 bool GenerateDeoptJumpTable(); |
| 197 bool GenerateSafepointTable(); | 198 bool GenerateSafepointTable(); |
| 198 | 199 |
| 199 // Generates the custom OSR entrypoint and sets the osr_pc_offset. | 200 // Generates the custom OSR entrypoint and sets the osr_pc_offset. |
| 200 void GenerateOsrPrologue(); | 201 void GenerateOsrPrologue(); |
| 201 | 202 |
| 202 enum SafepointMode { | 203 enum SafepointMode { |
| 203 RECORD_SIMPLE_SAFEPOINT, | 204 RECORD_SIMPLE_SAFEPOINT, |
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| 497 LCodeGen* codegen_; | 498 LCodeGen* codegen_; |
| 498 Label entry_; | 499 Label entry_; |
| 499 Label exit_; | 500 Label exit_; |
| 500 Label* external_exit_; | 501 Label* external_exit_; |
| 501 int instruction_index_; | 502 int instruction_index_; |
| 502 }; | 503 }; |
| 503 | 504 |
| 504 } } // namespace v8::internal | 505 } } // namespace v8::internal |
| 505 | 506 |
| 506 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ | 507 #endif // V8_MIPS_LITHIUM_CODEGEN_MIPS_H_ |
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