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Issue 2683203002: Revert of [compiler] Pass deoptimization_kind through DeoptimizeParameters and FlagsContinuation (Closed)
Patch Set: Created 3 years, 10 months ago
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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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629 case kArchDebugBreak: 629 case kArchDebugBreak:
630 __ int3(); 630 __ int3();
631 break; 631 break;
632 case kArchNop: 632 case kArchNop:
633 case kArchThrowTerminator: 633 case kArchThrowTerminator:
634 // don't emit code for nops. 634 // don't emit code for nops.
635 break; 635 break;
636 case kArchDeoptimize: { 636 case kArchDeoptimize: {
637 int deopt_state_id = 637 int deopt_state_id =
638 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); 638 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
639 CodeGenResult result = 639 Deoptimizer::BailoutType bailout_type =
640 AssembleDeoptimizerCall(deopt_state_id, current_source_position_); 640 Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
641 CodeGenResult result = AssembleDeoptimizerCall(
642 deopt_state_id, bailout_type, current_source_position_);
641 if (result != kSuccess) return result; 643 if (result != kSuccess) return result;
642 break; 644 break;
643 } 645 }
644 case kArchRet: 646 case kArchRet:
645 AssembleReturn(instr->InputAt(0)); 647 AssembleReturn(instr->InputAt(0));
646 break; 648 break;
647 case kArchStackPointer: 649 case kArchStackPointer:
648 __ mov(i.OutputRegister(), esp); 650 __ mov(i.OutputRegister(), esp);
649 break; 651 break;
650 case kArchFramePointer: 652 case kArchFramePointer:
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1798 for (size_t index = 0; index < case_count; ++index) { 1800 for (size_t index = 0; index < case_count; ++index) {
1799 cases[index] = GetLabel(i.InputRpo(index + 2)); 1801 cases[index] = GetLabel(i.InputRpo(index + 2));
1800 } 1802 }
1801 Label* const table = AddJumpTable(cases, case_count); 1803 Label* const table = AddJumpTable(cases, case_count);
1802 __ cmp(input, Immediate(case_count)); 1804 __ cmp(input, Immediate(case_count));
1803 __ j(above_equal, GetLabel(i.InputRpo(1))); 1805 __ j(above_equal, GetLabel(i.InputRpo(1)));
1804 __ jmp(Operand::JumpTable(input, times_4, table)); 1806 __ jmp(Operand::JumpTable(input, times_4, table));
1805 } 1807 }
1806 1808
1807 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 1809 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
1808 int deoptimization_id, SourcePosition pos) { 1810 int deoptimization_id, Deoptimizer::BailoutType bailout_type,
1809 DeoptimizeKind deoptimization_kind = GetDeoptimizationKind(deoptimization_id); 1811 SourcePosition pos) {
1810 DeoptimizeReason deoptimization_reason =
1811 GetDeoptimizationReason(deoptimization_id);
1812 Deoptimizer::BailoutType bailout_type =
1813 deoptimization_kind == DeoptimizeKind::kSoft ? Deoptimizer::SOFT
1814 : Deoptimizer::EAGER;
1815 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 1812 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
1816 isolate(), deoptimization_id, bailout_type); 1813 isolate(), deoptimization_id, bailout_type);
1817 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 1814 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
1815 DeoptimizeReason deoptimization_reason =
1816 GetDeoptimizationReason(deoptimization_id);
1818 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id); 1817 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
1819 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 1818 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
1820 return kSuccess; 1819 return kSuccess;
1821 } 1820 }
1822 1821
1823 1822
1824 // The calling convention for JSFunctions on IA32 passes arguments on the 1823 // The calling convention for JSFunctions on IA32 passes arguments on the
1825 // stack and the JSFunction and context in EDI and ESI, respectively, thus 1824 // stack and the JSFunction and context in EDI and ESI, respectively, thus
1826 // the steps of the call look as follows: 1825 // the steps of the call look as follows:
1827 1826
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2302 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2301 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2303 __ Nop(padding_size); 2302 __ Nop(padding_size);
2304 } 2303 }
2305 } 2304 }
2306 2305
2307 #undef __ 2306 #undef __
2308 2307
2309 } // namespace compiler 2308 } // namespace compiler
2310 } // namespace internal 2309 } // namespace internal
2311 } // namespace v8 2310 } // namespace v8
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