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

Issue 2682143002: [compiler] Pass deoptimization_kind through DeoptimizeParameters and FlagsContinuation (Closed)
Patch Set: fix Created 3 years, 10 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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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1075 __ stop("kArchDebugBreak"); 1075 __ stop("kArchDebugBreak");
1076 break; 1076 break;
1077 case kArchNop: 1077 case kArchNop:
1078 case kArchThrowTerminator: 1078 case kArchThrowTerminator:
1079 // don't emit code for nops. 1079 // don't emit code for nops.
1080 DCHECK_EQ(LeaveRC, i.OutputRCBit()); 1080 DCHECK_EQ(LeaveRC, i.OutputRCBit());
1081 break; 1081 break;
1082 case kArchDeoptimize: { 1082 case kArchDeoptimize: {
1083 int deopt_state_id = 1083 int deopt_state_id =
1084 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); 1084 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
1085 Deoptimizer::BailoutType bailout_type = 1085 CodeGenResult result =
1086 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); 1086 AssembleDeoptimizerCall(deopt_state_id, current_source_position_);
1087 CodeGenResult result = AssembleDeoptimizerCall(
1088 deopt_state_id, bailout_type, current_source_position_);
1089 if (result != kSuccess) return result; 1087 if (result != kSuccess) return result;
1090 break; 1088 break;
1091 } 1089 }
1092 case kArchRet: 1090 case kArchRet:
1093 AssembleReturn(instr->InputAt(0)); 1091 AssembleReturn(instr->InputAt(0));
1094 DCHECK_EQ(LeaveRC, i.OutputRCBit()); 1092 DCHECK_EQ(LeaveRC, i.OutputRCBit());
1095 break; 1093 break;
1096 case kArchStackPointer: 1094 case kArchStackPointer:
1097 __ mr(i.OutputRegister(), sp); 1095 __ mr(i.OutputRegister(), sp);
1098 DCHECK_EQ(LeaveRC, i.OutputRCBit()); 1096 DCHECK_EQ(LeaveRC, i.OutputRCBit());
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2173 Label* const table = AddJumpTable(cases, case_count); 2171 Label* const table = AddJumpTable(cases, case_count);
2174 __ Cmpli(input, Operand(case_count), r0); 2172 __ Cmpli(input, Operand(case_count), r0);
2175 __ bge(GetLabel(i.InputRpo(1))); 2173 __ bge(GetLabel(i.InputRpo(1)));
2176 __ mov_label_addr(kScratchReg, table); 2174 __ mov_label_addr(kScratchReg, table);
2177 __ ShiftLeftImm(r0, input, Operand(kPointerSizeLog2)); 2175 __ ShiftLeftImm(r0, input, Operand(kPointerSizeLog2));
2178 __ LoadPX(kScratchReg, MemOperand(kScratchReg, r0)); 2176 __ LoadPX(kScratchReg, MemOperand(kScratchReg, r0));
2179 __ Jump(kScratchReg); 2177 __ Jump(kScratchReg);
2180 } 2178 }
2181 2179
2182 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 2180 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
2183 int deoptimization_id, Deoptimizer::BailoutType bailout_type, 2181 int deoptimization_id, SourcePosition pos) {
2184 SourcePosition pos) { 2182 DeoptimizeKind deoptimization_kind = GetDeoptimizationKind(deoptimization_id);
2183 DeoptimizeReason deoptimization_reason =
2184 GetDeoptimizationReason(deoptimization_id);
2185 Deoptimizer::BailoutType bailout_type =
2186 deoptimization_kind == DeoptimizeKind::kSoft ? Deoptimizer::SOFT
2187 : Deoptimizer::EAGER;
2185 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 2188 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
2186 isolate(), deoptimization_id, bailout_type); 2189 isolate(), deoptimization_id, bailout_type);
2187 // TODO(turbofan): We should be able to generate better code by sharing the 2190 // TODO(turbofan): We should be able to generate better code by sharing the
2188 // actual final call site and just bl'ing to it here, similar to what we do 2191 // actual final call site and just bl'ing to it here, similar to what we do
2189 // in the lithium backend. 2192 // in the lithium backend.
2190 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 2193 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
2191 DeoptimizeReason deoptimization_reason =
2192 GetDeoptimizationReason(deoptimization_id);
2193 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id); 2194 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
2194 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 2195 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
2195 return kSuccess; 2196 return kSuccess;
2196 } 2197 }
2197 2198
2198 void CodeGenerator::FinishFrame(Frame* frame) { 2199 void CodeGenerator::FinishFrame(Frame* frame) {
2199 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); 2200 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
2200 const RegList double_saves = descriptor->CalleeSavedFPRegisters(); 2201 const RegList double_saves = descriptor->CalleeSavedFPRegisters();
2201 2202
2202 // Save callee-saved Double registers. 2203 // Save callee-saved Double registers.
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2577 padding_size -= v8::internal::Assembler::kInstrSize; 2578 padding_size -= v8::internal::Assembler::kInstrSize;
2578 } 2579 }
2579 } 2580 }
2580 } 2581 }
2581 2582
2582 #undef __ 2583 #undef __
2583 2584
2584 } // namespace compiler 2585 } // namespace compiler
2585 } // namespace internal 2586 } // namespace internal
2586 } // namespace v8 2587 } // namespace v8
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