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Side by Side Diff: src/crankshaft/arm64/lithium-arm64.cc

Issue 1708583002: Revert of More simplification and unification of frame handling (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 10 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/crankshaft/arm64/lithium-arm64.h" 5 #include "src/crankshaft/arm64/lithium-arm64.h"
6 6
7 #include <sstream> 7 #include <sstream>
8 8
9 #include "src/crankshaft/arm64/lithium-codegen-arm64.h" 9 #include "src/crankshaft/arm64/lithium-codegen-arm64.h"
10 #include "src/crankshaft/hydrogen-osr.h" 10 #include "src/crankshaft/hydrogen-osr.h"
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520 new(zone()) LUnallocated(LUnallocated::MUST_HAVE_DOUBLE_REGISTER); 520 new(zone()) LUnallocated(LUnallocated::MUST_HAVE_DOUBLE_REGISTER);
521 int vreg = allocator_->GetVirtualRegister(); 521 int vreg = allocator_->GetVirtualRegister();
522 if (!allocator_->AllocationOk()) { 522 if (!allocator_->AllocationOk()) {
523 Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister); 523 Abort(kOutOfVirtualRegistersWhileTryingToAllocateTempRegister);
524 vreg = 0; 524 vreg = 0;
525 } 525 }
526 operand->set_virtual_register(vreg); 526 operand->set_virtual_register(vreg);
527 return operand; 527 return operand;
528 } 528 }
529 529
530 int LPlatformChunk::GetNextSpillIndex() { return current_frame_slots_++; } 530
531 int LPlatformChunk::GetNextSpillIndex() {
532 return spill_slot_count_++;
533 }
534
531 535
532 LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) { 536 LOperand* LPlatformChunk::GetNextSpillSlot(RegisterKind kind) {
533 int index = GetNextSpillIndex(); 537 int index = GetNextSpillIndex();
534 if (kind == DOUBLE_REGISTERS) { 538 if (kind == DOUBLE_REGISTERS) {
535 return LDoubleStackSlot::Create(index, zone()); 539 return LDoubleStackSlot::Create(index, zone());
536 } else { 540 } else {
537 DCHECK(kind == GENERAL_REGISTERS); 541 DCHECK(kind == GENERAL_REGISTERS);
538 return LStackSlot::Create(index, zone()); 542 return LStackSlot::Create(index, zone());
539 } 543 }
540 } 544 }
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2636 int env_index = instr->index(); 2640 int env_index = instr->index();
2637 int spill_index = 0; 2641 int spill_index = 0;
2638 if (instr->environment()->is_parameter_index(env_index)) { 2642 if (instr->environment()->is_parameter_index(env_index)) {
2639 spill_index = chunk_->GetParameterStackSlot(env_index); 2643 spill_index = chunk_->GetParameterStackSlot(env_index);
2640 } else { 2644 } else {
2641 spill_index = env_index - instr->environment()->first_local_index(); 2645 spill_index = env_index - instr->environment()->first_local_index();
2642 if (spill_index > LUnallocated::kMaxFixedSlotIndex) { 2646 if (spill_index > LUnallocated::kMaxFixedSlotIndex) {
2643 Retry(kTooManySpillSlotsNeededForOSR); 2647 Retry(kTooManySpillSlotsNeededForOSR);
2644 spill_index = 0; 2648 spill_index = 0;
2645 } 2649 }
2646 spill_index += StandardFrameConstants::kFixedSlotCount;
2647 } 2650 }
2648 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index); 2651 return DefineAsSpilled(new(zone()) LUnknownOSRValue, spill_index);
2649 } 2652 }
2650 2653
2651 2654
2652 LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) { 2655 LInstruction* LChunkBuilder::DoUseConst(HUseConst* instr) {
2653 return NULL; 2656 return NULL;
2654 } 2657 }
2655 2658
2656 2659
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2706 LOperand* context = UseFixed(instr->context(), cp); 2709 LOperand* context = UseFixed(instr->context(), cp);
2707 LOperand* function = UseRegisterAtStart(instr->function()); 2710 LOperand* function = UseRegisterAtStart(instr->function());
2708 LAllocateBlockContext* result = 2711 LAllocateBlockContext* result =
2709 new(zone()) LAllocateBlockContext(context, function); 2712 new(zone()) LAllocateBlockContext(context, function);
2710 return MarkAsCall(DefineFixed(result, cp), instr); 2713 return MarkAsCall(DefineFixed(result, cp), instr);
2711 } 2714 }
2712 2715
2713 2716
2714 } // namespace internal 2717 } // namespace internal
2715 } // namespace v8 2718 } // namespace v8
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