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Issue 2427673004: [intrinsics] Nuke %HasCachedArrayIndex and %GetCachedArrayIndex. (Closed)
Patch Set: Created 4 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 #if V8_TARGET_ARCH_IA32 5 #if V8_TARGET_ARCH_IA32
6 6
7 #include "src/full-codegen/full-codegen.h" 7 #include "src/full-codegen/full-codegen.h"
8 #include "src/ast/compile-time-value.h" 8 #include "src/ast/compile-time-value.h"
9 #include "src/ast/scopes.h" 9 #include "src/ast/scopes.h"
10 #include "src/code-factory.h" 10 #include "src/code-factory.h"
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2713 __ mov(edi, Operand(esp, (argc + 1) * kPointerSize)); 2713 __ mov(edi, Operand(esp, (argc + 1) * kPointerSize));
2714 // Call the target. 2714 // Call the target.
2715 __ mov(eax, Immediate(argc)); 2715 __ mov(eax, Immediate(argc));
2716 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); 2716 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
2717 OperandStackDepthDecrement(argc + 1); 2717 OperandStackDepthDecrement(argc + 1);
2718 RestoreContext(); 2718 RestoreContext();
2719 // Discard the function left on TOS. 2719 // Discard the function left on TOS.
2720 context()->DropAndPlug(1, eax); 2720 context()->DropAndPlug(1, eax);
2721 } 2721 }
2722 2722
2723
2724 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
2725 ZoneList<Expression*>* args = expr->arguments();
2726 DCHECK(args->length() == 1);
2727
2728 VisitForAccumulatorValue(args->at(0));
2729
2730 __ AssertString(eax);
2731
2732 Label materialize_true, materialize_false;
2733 Label* if_true = NULL;
2734 Label* if_false = NULL;
2735 Label* fall_through = NULL;
2736 context()->PrepareTest(&materialize_true, &materialize_false,
2737 &if_true, &if_false, &fall_through);
2738
2739 __ test(FieldOperand(eax, String::kHashFieldOffset),
2740 Immediate(String::kContainsCachedArrayIndexMask));
2741 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
2742 Split(zero, if_true, if_false, fall_through);
2743
2744 context()->Plug(if_true, if_false);
2745 }
2746
2747
2748 void FullCodeGenerator::EmitGetCachedArrayIndex(CallRuntime* expr) {
2749 ZoneList<Expression*>* args = expr->arguments();
2750 DCHECK(args->length() == 1);
2751 VisitForAccumulatorValue(args->at(0));
2752
2753 __ AssertString(eax);
2754
2755 __ mov(eax, FieldOperand(eax, String::kHashFieldOffset));
2756 __ IndexFromHash(eax, eax);
2757
2758 context()->Plug(eax);
2759 }
2760
2761
2762 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) { 2723 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) {
2763 ZoneList<Expression*>* args = expr->arguments(); 2724 ZoneList<Expression*>* args = expr->arguments();
2764 DCHECK_EQ(1, args->length()); 2725 DCHECK_EQ(1, args->length());
2765 VisitForAccumulatorValue(args->at(0)); 2726 VisitForAccumulatorValue(args->at(0));
2766 __ AssertFunction(eax); 2727 __ AssertFunction(eax);
2767 __ mov(eax, FieldOperand(eax, HeapObject::kMapOffset)); 2728 __ mov(eax, FieldOperand(eax, HeapObject::kMapOffset));
2768 __ mov(eax, FieldOperand(eax, Map::kPrototypeOffset)); 2729 __ mov(eax, FieldOperand(eax, Map::kPrototypeOffset));
2769 context()->Plug(eax); 2730 context()->Plug(eax);
2770 } 2731 }
2771 2732
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3560 isolate->builtins()->OnStackReplacement()->entry(), 3521 isolate->builtins()->OnStackReplacement()->entry(),
3561 Assembler::target_address_at(call_target_address, unoptimized_code)); 3522 Assembler::target_address_at(call_target_address, unoptimized_code));
3562 return ON_STACK_REPLACEMENT; 3523 return ON_STACK_REPLACEMENT;
3563 } 3524 }
3564 3525
3565 3526
3566 } // namespace internal 3527 } // namespace internal
3567 } // namespace v8 3528 } // namespace v8
3568 3529
3569 #endif // V8_TARGET_ARCH_IA32 3530 #endif // V8_TARGET_ARCH_IA32
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