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Side by Side Diff: src/compiler/x87/code-generator-x87.cc

Issue 2366993002: [turbofan] Attach source positions to deopt info. (Closed)
Patch Set: DeoptimizationExit::pos_ made const Created 4 years, 2 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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736 x87_layout = (0 << 3) | 1; 736 x87_layout = (0 << 3) | 1;
737 } 737 }
738 // The layout of x87 register stack is loaded on the top of FPU register 738 // The layout of x87 register stack is loaded on the top of FPU register
739 // stack for deoptimization. 739 // stack for deoptimization.
740 __ push(Immediate(x87_layout)); 740 __ push(Immediate(x87_layout));
741 __ fild_s(MemOperand(esp, 0)); 741 __ fild_s(MemOperand(esp, 0));
742 __ lea(esp, Operand(esp, kPointerSize)); 742 __ lea(esp, Operand(esp, kPointerSize));
743 743
744 Deoptimizer::BailoutType bailout_type = 744 Deoptimizer::BailoutType bailout_type =
745 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); 745 Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
746 CodeGenResult result = 746 CodeGenResult result = AssembleDeoptimizerCall(
747 AssembleDeoptimizerCall(deopt_state_id, bailout_type); 747 deopt_state_id, bailout_type, current_source_position_);
748 if (result != kSuccess) return result; 748 if (result != kSuccess) return result;
749 break; 749 break;
750 } 750 }
751 case kArchRet: 751 case kArchRet:
752 AssembleReturn(); 752 AssembleReturn();
753 break; 753 break;
754 case kArchFramePointer: 754 case kArchFramePointer:
755 __ mov(i.OutputRegister(), ebp); 755 __ mov(i.OutputRegister(), ebp);
756 break; 756 break;
757 case kArchStackPointer: 757 case kArchStackPointer:
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2231 for (size_t index = 0; index < case_count; ++index) { 2231 for (size_t index = 0; index < case_count; ++index) {
2232 cases[index] = GetLabel(i.InputRpo(index + 2)); 2232 cases[index] = GetLabel(i.InputRpo(index + 2));
2233 } 2233 }
2234 Label* const table = AddJumpTable(cases, case_count); 2234 Label* const table = AddJumpTable(cases, case_count);
2235 __ cmp(input, Immediate(case_count)); 2235 __ cmp(input, Immediate(case_count));
2236 __ j(above_equal, GetLabel(i.InputRpo(1))); 2236 __ j(above_equal, GetLabel(i.InputRpo(1)));
2237 __ jmp(Operand::JumpTable(input, times_4, table)); 2237 __ jmp(Operand::JumpTable(input, times_4, table));
2238 } 2238 }
2239 2239
2240 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 2240 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
2241 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { 2241 int deoptimization_id, Deoptimizer::BailoutType bailout_type,
2242 SourcePosition pos) {
2242 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 2243 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
2243 isolate(), deoptimization_id, bailout_type); 2244 isolate(), deoptimization_id, bailout_type);
2244 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 2245 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
2245 DeoptimizeReason deoptimization_reason = 2246 DeoptimizeReason deoptimization_reason =
2246 GetDeoptimizationReason(deoptimization_id); 2247 GetDeoptimizationReason(deoptimization_id);
2247 __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id); 2248 __ RecordDeoptReason(deoptimization_reason, pos.raw(), deoptimization_id);
2248 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 2249 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
2249 return kSuccess; 2250 return kSuccess;
2250 } 2251 }
2251 2252
2252 2253
2253 // The calling convention for JSFunctions on X87 passes arguments on the 2254 // The calling convention for JSFunctions on X87 passes arguments on the
2254 // stack and the JSFunction and context in EDI and ESI, respectively, thus 2255 // stack and the JSFunction and context in EDI and ESI, respectively, thus
2255 // the steps of the call look as follows: 2256 // the steps of the call look as follows:
2256 2257
2257 // --{ before the call instruction }-------------------------------------------- 2258 // --{ before the call instruction }--------------------------------------------
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2724 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2725 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2725 __ Nop(padding_size); 2726 __ Nop(padding_size);
2726 } 2727 }
2727 } 2728 }
2728 2729
2729 #undef __ 2730 #undef __
2730 2731
2731 } // namespace compiler 2732 } // namespace compiler
2732 } // namespace internal 2733 } // namespace internal
2733 } // namespace v8 2734 } // namespace v8
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