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Issue 593313004: MIPS: Refactor bailout reasons and disable optimization in more cases. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_MIPS64 7 #if V8_TARGET_ARCH_MIPS64
8 8
9 #include "src/hydrogen-osr.h" 9 #include "src/hydrogen-osr.h"
10 #include "src/lithium-inl.h" 10 #include "src/lithium-inl.h"
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423 HBasicBlock* next = NULL; 423 HBasicBlock* next = NULL;
424 if (i < blocks->length() - 1) next = blocks->at(i + 1); 424 if (i < blocks->length() - 1) next = blocks->at(i + 1);
425 DoBasicBlock(blocks->at(i), next); 425 DoBasicBlock(blocks->at(i), next);
426 if (is_aborted()) return NULL; 426 if (is_aborted()) return NULL;
427 } 427 }
428 status_ = DONE; 428 status_ = DONE;
429 return chunk_; 429 return chunk_;
430 } 430 }
431 431
432 432
433 void LChunkBuilder::Abort(BailoutReason reason) {
434 info()->set_bailout_reason(reason);
435 status_ = ABORTED;
436 }
437
438
439 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) { 433 LUnallocated* LChunkBuilder::ToUnallocated(Register reg) {
440 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER, 434 return new(zone()) LUnallocated(LUnallocated::FIXED_REGISTER,
441 Register::ToAllocationIndex(reg)); 435 Register::ToAllocationIndex(reg));
442 } 436 }
443 437
444 438
445 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) { 439 LUnallocated* LChunkBuilder::ToUnallocated(DoubleRegister reg) {
446 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER, 440 return new(zone()) LUnallocated(LUnallocated::FIXED_DOUBLE_REGISTER,
447 DoubleRegister::ToAllocationIndex(reg)); 441 DoubleRegister::ToAllocationIndex(reg));
448 } 442 }
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2418 LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) { 2412 LInstruction* LChunkBuilder::DoUnknownOSRValue(HUnknownOSRValue* instr) {
2419 // Use an index that corresponds to the location in the unoptimized frame, 2413 // Use an index that corresponds to the location in the unoptimized frame,
2420 // which the optimized frame will subsume. 2414 // which the optimized frame will subsume.
2421 int env_index = instr->index(); 2415 int env_index = instr->index();
2422 int spill_index = 0; 2416 int spill_index = 0;
2423 if (instr->environment()->is_parameter_index(env_index)) { 2417 if (instr->environment()->is_parameter_index(env_index)) {
2424 spill_index = chunk()->GetParameterStackSlot(env_index); 2418 spill_index = chunk()->GetParameterStackSlot(env_index);
2425 } else { 2419 } else {
2426 spill_index = env_index - instr->environment()->first_local_index(); 2420 spill_index = env_index - instr->environment()->first_local_index();
2427 if (spill_index > LUnallocated::kMaxFixedSlotIndex) { 2421 if (spill_index > LUnallocated::kMaxFixedSlotIndex) {
2428 Abort(kTooManySpillSlotsNeededForOSR); 2422 Retry(kTooManySpillSlotsNeededForOSR);
2429 spill_index = 0; 2423 spill_index = 0;
2430 } 2424 }
2431 } 2425 }
2432 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); 2426 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index);
2433 } 2427 }
2434 2428
2435 2429
2436 LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) { 2430 LInstruction* LChunkBuilder::DoCallStub(HCallStub* instr) {
2437 LOperand* context = UseFixed(instr->context(), cp); 2431 LOperand* context = UseFixed(instr->context(), cp);
2438 return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), v0), instr); 2432 return MarkAsCall(DefineFixed(new(zone()) LCallStub(context), v0), instr);
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2591 LOperand* function = UseRegisterAtStart(instr->function()); 2585 LOperand* function = UseRegisterAtStart(instr->function());
2592 LAllocateBlockContext* result = 2586 LAllocateBlockContext* result =
2593 new(zone()) LAllocateBlockContext(context, function); 2587 new(zone()) LAllocateBlockContext(context, function);
2594 return MarkAsCall(DefineFixed(result, cp), instr); 2588 return MarkAsCall(DefineFixed(result, cp), instr);
2595 } 2589 }
2596 2590
2597 2591
2598 } } // namespace v8::internal 2592 } } // namespace v8::internal
2599 2593
2600 #endif // V8_TARGET_ARCH_MIPS64 2594 #endif // V8_TARGET_ARCH_MIPS64
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