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Side by Side Diff: src/compiler/ia32/code-generator-ia32.cc

Issue 2161543002: [turbofan] Add support for eager/soft deoptimization reasons. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Do the ports properly Created 4 years, 5 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/ast/scopes.h" 7 #include "src/ast/scopes.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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1692 __ cmp(input, Immediate(case_count)); 1692 __ cmp(input, Immediate(case_count));
1693 __ j(above_equal, GetLabel(i.InputRpo(1))); 1693 __ j(above_equal, GetLabel(i.InputRpo(1)));
1694 __ jmp(Operand::JumpTable(input, times_4, table)); 1694 __ jmp(Operand::JumpTable(input, times_4, table));
1695 } 1695 }
1696 1696
1697 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 1697 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
1698 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { 1698 int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
1699 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 1699 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
1700 isolate(), deoptimization_id, bailout_type); 1700 isolate(), deoptimization_id, bailout_type);
1701 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 1701 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
1702 DeoptimizeReason deoptimization_reason =
1703 GetDeoptimizationReason(deoptimization_id);
1704 __ RecordDeoptReason(deoptimization_reason, 0, deoptimization_id);
1702 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 1705 __ call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
1703 return kSuccess; 1706 return kSuccess;
1704 } 1707 }
1705 1708
1706 1709
1707 // The calling convention for JSFunctions on IA32 passes arguments on the 1710 // The calling convention for JSFunctions on IA32 passes arguments on the
1708 // stack and the JSFunction and context in EDI and ESI, respectively, thus 1711 // stack and the JSFunction and context in EDI and ESI, respectively, thus
1709 // the steps of the call look as follows: 1712 // the steps of the call look as follows:
1710 1713
1711 // --{ before the call instruction }-------------------------------------------- 1714 // --{ before the call instruction }--------------------------------------------
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2174 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc; 2177 int padding_size = last_lazy_deopt_pc_ + space_needed - current_pc;
2175 __ Nop(padding_size); 2178 __ Nop(padding_size);
2176 } 2179 }
2177 } 2180 }
2178 2181
2179 #undef __ 2182 #undef __
2180 2183
2181 } // namespace compiler 2184 } // namespace compiler
2182 } // namespace internal 2185 } // namespace internal
2183 } // namespace v8 2186 } // namespace v8
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