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

Issue 1928903002: [turbofan] Abort compilation when the max deoptimization table size is exceeded. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Uhm, re-enable verifier Created 4 years, 7 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/ast/scopes.h" 5 #include "src/ast/scopes.h"
6 #include "src/compiler/code-generator.h" 6 #include "src/compiler/code-generator.h"
7 #include "src/compiler/code-generator-impl.h" 7 #include "src/compiler/code-generator-impl.h"
8 #include "src/compiler/gap-resolver.h" 8 #include "src/compiler/gap-resolver.h"
9 #include "src/compiler/node-matchers.h" 9 #include "src/compiler/node-matchers.h"
10 #include "src/compiler/osr.h" 10 #include "src/compiler/osr.h"
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524 MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset)); 524 MemOperand(fp, ArgumentsAdaptorFrameConstants::kLengthOffset));
525 __ SmiUntag(caller_args_count_reg); 525 __ SmiUntag(caller_args_count_reg);
526 526
527 ParameterCount callee_args_count(args_reg); 527 ParameterCount callee_args_count(args_reg);
528 __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2, 528 __ PrepareForTailCall(callee_args_count, caller_args_count_reg, scratch2,
529 scratch3); 529 scratch3);
530 __ bind(&done); 530 __ bind(&done);
531 } 531 }
532 532
533 // Assembles an instruction after register allocation, producing machine code. 533 // Assembles an instruction after register allocation, producing machine code.
534 void CodeGenerator::AssembleArchInstruction(Instruction* instr) { 534 CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
535 Instruction* instr) {
535 MipsOperandConverter i(this, instr); 536 MipsOperandConverter i(this, instr);
536 InstructionCode opcode = instr->opcode(); 537 InstructionCode opcode = instr->opcode();
537 ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode); 538 ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode);
538 switch (arch_opcode) { 539 switch (arch_opcode) {
539 case kArchCallCodeObject: { 540 case kArchCallCodeObject: {
540 EnsureSpaceForLazyDeopt(); 541 EnsureSpaceForLazyDeopt();
541 if (instr->InputAt(0)->IsImmediate()) { 542 if (instr->InputAt(0)->IsImmediate()) {
542 __ Call(Handle<Code>::cast(i.InputHeapObject(0)), 543 __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
543 RelocInfo::CODE_TARGET); 544 RelocInfo::CODE_TARGET);
544 } else { 545 } else {
(...skipping 101 matching lines...) Expand 10 before | Expand all | Expand 10 after
646 break; 647 break;
647 case kArchNop: 648 case kArchNop:
648 case kArchThrowTerminator: 649 case kArchThrowTerminator:
649 // don't emit code for nops. 650 // don't emit code for nops.
650 break; 651 break;
651 case kArchDeoptimize: { 652 case kArchDeoptimize: {
652 int deopt_state_id = 653 int deopt_state_id =
653 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore()); 654 BuildTranslation(instr, -1, 0, OutputFrameStateCombine::Ignore());
654 Deoptimizer::BailoutType bailout_type = 655 Deoptimizer::BailoutType bailout_type =
655 Deoptimizer::BailoutType(MiscField::decode(instr->opcode())); 656 Deoptimizer::BailoutType(MiscField::decode(instr->opcode()));
656 AssembleDeoptimizerCall(deopt_state_id, bailout_type); 657 CodeGenResult result =
658 AssembleDeoptimizerCall(deopt_state_id, bailout_type);
659 if (result != kSuccess) return result;
657 break; 660 break;
658 } 661 }
659 case kArchRet: 662 case kArchRet:
660 AssembleReturn(); 663 AssembleReturn();
661 break; 664 break;
662 case kArchStackPointer: 665 case kArchStackPointer:
663 __ mov(i.OutputRegister(), sp); 666 __ mov(i.OutputRegister(), sp);
664 break; 667 break;
665 case kArchFramePointer: 668 case kArchFramePointer:
666 __ mov(i.OutputRegister(), fp); 669 __ mov(i.OutputRegister(), fp);
(...skipping 670 matching lines...) Expand 10 before | Expand all | Expand 10 after
1337 case kAtomicLoadInt16: 1340 case kAtomicLoadInt16:
1338 ASSEMBLE_ATOMIC_LOAD_INTEGER(lh); 1341 ASSEMBLE_ATOMIC_LOAD_INTEGER(lh);
1339 break; 1342 break;
1340 case kAtomicLoadUint16: 1343 case kAtomicLoadUint16:
1341 ASSEMBLE_ATOMIC_LOAD_INTEGER(lhu); 1344 ASSEMBLE_ATOMIC_LOAD_INTEGER(lhu);
1342 break; 1345 break;
1343 case kAtomicLoadWord32: 1346 case kAtomicLoadWord32:
1344 ASSEMBLE_ATOMIC_LOAD_INTEGER(lw); 1347 ASSEMBLE_ATOMIC_LOAD_INTEGER(lw);
1345 break; 1348 break;
1346 } 1349 }
1350 return kSuccess;
1347 } // NOLINT(readability/fn_size) 1351 } // NOLINT(readability/fn_size)
1348 1352
1349 1353
1350 #define UNSUPPORTED_COND(opcode, condition) \ 1354 #define UNSUPPORTED_COND(opcode, condition) \
1351 OFStream out(stdout); \ 1355 OFStream out(stdout); \
1352 out << "Unsupported " << #opcode << " condition: \"" << condition << "\""; \ 1356 out << "Unsupported " << #opcode << " condition: \"" << condition << "\""; \
1353 UNIMPLEMENTED(); 1357 UNIMPLEMENTED();
1354 1358
1355 static bool convertCondition(FlagsCondition condition, Condition& cc) { 1359 static bool convertCondition(FlagsCondition condition, Condition& cc) {
1356 switch (condition) { 1360 switch (condition) {
(...skipping 274 matching lines...) Expand 10 before | Expand all | Expand 10 after
1631 void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) { 1635 void CodeGenerator::AssembleArchTableSwitch(Instruction* instr) {
1632 MipsOperandConverter i(this, instr); 1636 MipsOperandConverter i(this, instr);
1633 Register input = i.InputRegister(0); 1637 Register input = i.InputRegister(0);
1634 size_t const case_count = instr->InputCount() - 2; 1638 size_t const case_count = instr->InputCount() - 2;
1635 __ Branch(GetLabel(i.InputRpo(1)), hs, input, Operand(case_count)); 1639 __ Branch(GetLabel(i.InputRpo(1)), hs, input, Operand(case_count));
1636 __ GenerateSwitchTable(input, case_count, [&i, this](size_t index) { 1640 __ GenerateSwitchTable(input, case_count, [&i, this](size_t index) {
1637 return GetLabel(i.InputRpo(index + 2)); 1641 return GetLabel(i.InputRpo(index + 2));
1638 }); 1642 });
1639 } 1643 }
1640 1644
1641 1645 CodeGenerator::CodeGenResult CodeGenerator::AssembleDeoptimizerCall(
1642 void CodeGenerator::AssembleDeoptimizerCall(
1643 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { 1646 int deoptimization_id, Deoptimizer::BailoutType bailout_type) {
1644 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( 1647 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry(
1645 isolate(), deoptimization_id, bailout_type); 1648 isolate(), deoptimization_id, bailout_type);
1649 if (deopt_entry == nullptr) return kTooManyDeoptimizationBailouts;
1646 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); 1650 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY);
1651 return kSuccess;
1647 } 1652 }
1648 1653
1649 void CodeGenerator::FinishFrame(Frame* frame) { 1654 void CodeGenerator::FinishFrame(Frame* frame) {
1650 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); 1655 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor();
1651 1656
1652 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters(); 1657 const RegList saves_fpu = descriptor->CalleeSavedFPRegisters();
1653 if (saves_fpu != 0) { 1658 if (saves_fpu != 0) {
1654 frame->AlignSavedCalleeRegisterSlots(); 1659 frame->AlignSavedCalleeRegisterSlots();
1655 } 1660 }
1656 1661
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1962 padding_size -= v8::internal::Assembler::kInstrSize; 1967 padding_size -= v8::internal::Assembler::kInstrSize;
1963 } 1968 }
1964 } 1969 }
1965 } 1970 }
1966 1971
1967 #undef __ 1972 #undef __
1968 1973
1969 } // namespace compiler 1974 } // namespace compiler
1970 } // namespace internal 1975 } // namespace internal
1971 } // namespace v8 1976 } // namespace v8
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