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| 1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/compiler/code-generator.h" | 5 #include "src/compiler/code-generator.h" |
| 6 | 6 |
| 7 #include "src/compilation-info.h" | 7 #include "src/compilation-info.h" |
| 8 #include "src/compiler/code-generator-impl.h" | 8 #include "src/compiler/code-generator-impl.h" |
| 9 #include "src/compiler/gap-resolver.h" | 9 #include "src/compiler/gap-resolver.h" |
| 10 #include "src/compiler/node-matchers.h" | 10 #include "src/compiler/node-matchers.h" |
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| 903 break; | 903 break; |
| 904 case kArchNop: | 904 case kArchNop: |
| 905 case kArchThrowTerminator: | 905 case kArchThrowTerminator: |
| 906 // don't emit code for nops. | 906 // don't emit code for nops. |
| 907 break; | 907 break; |
| 908 case kArchDeoptimize: { | 908 case kArchDeoptimize: { |
| 909 int deopt_state_id = | 909 int deopt_state_id = |
| 910 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); | 910 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); |
| 911 Deoptimizer::BailoutType bailout_type = | 911 Deoptimizer::BailoutType bailout_type = |
| 912 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); | 912 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); |
| 913 CodeGenResult result = | 913 CodeGenResult result = AssembleDeoptimizerCall( |
| 914 AssembleDeoptimizerCall(deopt_state_id, bailout_type); | 914 deopt_state_id, bailout_type, current_source_position_); |
| 915 if (result != kSuccess) return result; | 915 if (result != kSuccess) return result; |
| 916 break; | 916 break; |
| 917 } | 917 } |
| 918 case kArchRet: | 918 case kArchRet: |
| 919 AssembleReturn(); | 919 AssembleReturn(); |
| 920 break; | 920 break; |
| 921 case kArchStackPointer: | 921 case kArchStackPointer: |
| 922 __ movq(i.OutputRegister(), rsp); | 922 __ movq(i.OutputRegister(), rsp); |
| 923 break; | 923 break; |
| 924 case kArchFramePointer: | 924 case kArchFramePointer: |
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| 2297 cases[index] = GetLabel(i.InputRpo(index + 2)); | 2297 cases[index] = GetLabel(i.InputRpo(index + 2)); |
| 2298 } | 2298 } |
| 2299 Label* const table = AddJumpTable(cases, case_count); | 2299 Label* const table = AddJumpTable(cases, case_count); |
| 2300 __ cmpl(input, Immediate(case_count)); | 2300 __ cmpl(input, Immediate(case_count)); |
| 2301 __ j(above_equal, GetLabel(i.InputRpo(1))); | 2301 __ j(above_equal, GetLabel(i.InputRpo(1))); |
| 2302 __ leaq(kScratchRegister, Operand(table)); | 2302 __ leaq(kScratchRegister, Operand(table)); |
| 2303 __ jmp(Operand(kScratchRegister, input, times_8, 0)); | 2303 __ jmp(Operand(kScratchRegister, input, times_8, 0)); |
| 2304 } | 2304 } |
| 2305 | 2305 |
| 2306 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( | 2306 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( |
| 2307 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { | 2307 int deoptimization_id, Deoptimizer::BailoutType bailout_type, |
| 2308 SourcePosition pos) { |
| 2308 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( | 2309 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
| 2309 isolate(), deoptimization_id, bailout_type); | 2310 isolate(), deoptimization_id, bailout_type); |
| 2310 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; | 2311 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; |
| 2311 DeoptimizeReason deoptimization_reason = | 2312 DeoptimizeReason deoptimization_reason = |
| 2312 GetDeoptimizationReason(deoptimization_id); | 2313 GetDeoptimizationReason(deoptimization_id); |
| 2313 __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id); | 2314 __ RecordDeoptReason(deoptimization_reason, pos.raw(), deoptimization_id); |
| 2314 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 2315 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 2315 return kSuccess; | 2316 return kSuccess; |
| 2316 } | 2317 } |
| 2317 | 2318 |
| 2318 | 2319 |
| 2319 namespace { | 2320 namespace { |
| 2320 | 2321 |
| 2321 static const int kQuadWordSize = 16; | 2322 static const int kQuadWordSize = 16; |
| 2322 | 2323 |
| 2323 } // namespace | 2324 } // namespace |
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| 2717 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; | 2718 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; |
| 2718 __ Nop(padding_size); | 2719 __ Nop(padding_size); |
| 2719 } | 2720 } |
| 2720 } | 2721 } |
| 2721 | 2722 |
| 2722 #undef __ | 2723 #undef __ |
| 2723 | 2724 |
| 2724 } // namespace compiler | 2725 } // namespace compiler |
| 2725 } // namespace internal | 2726 } // namespace internal |
| 2726 } // namespace v8 | 2727 } // namespace v8 |
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