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Side by Side Diff: src/compiler/s390/code-generator-s390.cc

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 2015 the V8 project authors. All rights reserved. 1 // Copyright 2015 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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1155 case kArchDebugBreak: 1155 case kArchDebugBreak:
1156 __ stop("kArchDebugBreak"); 1156 __ stop("kArchDebugBreak");
1157 break; 1157 break;
1158 case kArchNop: 1158 case kArchNop:
1159 case kArchThrowTerminator: 1159 case kArchThrowTerminator:
1160 // don't emit code for nops. 1160 // don't emit code for nops.
1161 break; 1161 break;
1162 case kArchDeoptimize: { 1162 case kArchDeoptimize: {
1163 int deopt_state_id = 1163 int deopt_state_id =
1164 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); 1164 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
1165 CodeGenResult result = 1165 Deoptimizer::BailoutType bailout_type =
1166 AssembleDeoptimizerCall(deopt_state_id, current_source_position_); 1166 Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
1167 CodeGenResult result = AssembleDeoptimizerCall(
1168 deopt_state_id, bailout_type, current_source_position_);
1167 if (result != kSuccess) return result; 1169 if (result != kSuccess) return result;
1168 break; 1170 break;
1169 } 1171 }
1170 case kArchRet: 1172 case kArchRet:
1171 AssembleReturn(instr->InputAt(0)); 1173 AssembleReturn(instr->InputAt(0));
1172 break; 1174 break;
1173 case kArchStackPointer: 1175 case kArchStackPointer:
1174 __ LoadRR(i.OutputRegister(), sp); 1176 __ LoadRR(i.OutputRegister(), sp);
1175 break; 1177 break;
1176 case kArchFramePointer: 1178 case kArchFramePointer:
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2384 Label* const table = AddJumpTable(cases, case_count); 2386 Label* const table = AddJumpTable(cases, case_count);
2385 __ CmpLogicalP(input, Operand(case_count)); 2387 __ CmpLogicalP(input, Operand(case_count));
2386 __ bge(GetLabel(i.InputRpo(1))); 2388 __ bge(GetLabel(i.InputRpo(1)));
2387 __ larl(kScratchReg, table); 2389 __ larl(kScratchReg, table);
2388 __ ShiftLeftP(r1, input, Operand(kPointerSizeLog2)); 2390 __ ShiftLeftP(r1, input, Operand(kPointerSizeLog2));
2389 __ LoadP(kScratchReg, MemOperand(kScratchReg, r1)); 2391 __ LoadP(kScratchReg, MemOperand(kScratchReg, r1));
2390 __ Jump(kScratchReg); 2392 __ Jump(kScratchReg);
2391 } 2393 }
2392 2394
2393 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall( 2395 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
2394 int deoptimization_id, SourcePosition pos) { 2396 int deoptimization_id, Deoptimizer::BailoutType bailout_type,
2395 DeoptimizeKind deoptimization_kind = GetDeoptimizationKind(deoptimization_id); 2397 SourcePosition pos) {
2396 DeoptimizeReason deoptimization_reason =
2397 GetDeoptimizationReason(deoptimization_id);
2398 Deoptimizer::BailoutType bailout_type =
2399 deoptimization_kind == DeoptimizeKind::kSoft ? Deoptimizer::SOFT
2400 : Deoptimizer::EAGER;
2401 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 2398 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
2402 isolate(), deoptimization_id, bailout_type); 2399 isolate(), deoptimization_id, bailout_type);
2403 // TODO(turbofan): We should be able to generate better code by sharing the 2400 // TODO(turbofan): We should be able to generate better code by sharing the
2404 // actual final call site and just bl'ing to it here, similar to what we do 2401 // actual final call site and just bl'ing to it here, similar to what we do
2405 // in the lithium backend. 2402 // in the lithium backend.
2406 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts; 2403 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
2404 DeoptimizeReason deoptimization_reason =
2405 GetDeoptimizationReason(deoptimization_id);
2407 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id); 2406 __ RecordDeoptReason(deoptimization_reason, pos, deoptimization_id);
2408 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 2407 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
2409 return kSuccess; 2408 return kSuccess;
2410 } 2409 }
2411 2410
2412 void CodeGenerator::FinishFrame(Frame* frame) { 2411 void CodeGenerator::FinishFrame(Frame* frame) {
2413 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); 2412 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
2414 const RegList double_saves = descriptor->CalleeSavedFPRegisters(); 2413 const RegList double_saves = descriptor->CalleeSavedFPRegisters();
2415 2414
2416 // Save callee-saved Double registers. 2415 // Save callee-saved Double registers.
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2758 padding_size -= 2; 2757 padding_size -= 2;
2759 } 2758 }
2760 } 2759 }
2761 } 2760 }
2762 2761
2763 #undef __ 2762 #undef __
2764 2763
2765 } // namespace compiler 2764 } // namespace compiler
2766 } // namespace internal 2765 } // namespace internal
2767 } // namespace v8 2766 } // namespace v8
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