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Side by Side Diff: src/full-codegen/x87/full-codegen-x87.cc

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_X87 5 #if V8_TARGET_ARCH_X87
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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2705 __ mov(edi, Operand(esp, (argc + 1) * kPointerSize)); 2705 __ mov(edi, Operand(esp, (argc + 1) * kPointerSize));
2706 // Call the target. 2706 // Call the target.
2707 __ mov(eax, Immediate(argc)); 2707 __ mov(eax, Immediate(argc));
2708 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); 2708 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
2709 OperandStackDepthDecrement(argc + 1); 2709 OperandStackDepthDecrement(argc + 1);
2710 RestoreContext(); 2710 RestoreContext();
2711 // Discard the function left on TOS. 2711 // Discard the function left on TOS.
2712 context()->DropAndPlug(1, eax); 2712 context()->DropAndPlug(1, eax);
2713 } 2713 }
2714 2714
2715
2716 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
2717 ZoneList<Expression*>* args = expr->arguments();
2718 DCHECK(args->length() == 1);
2719
2720 VisitForAccumulatorValue(args->at(0));
2721
2722 __ AssertString(eax);
2723
2724 Label materialize_true, materialize_false;
2725 Label* if_true = NULL;
2726 Label* if_false = NULL;
2727 Label* fall_through = NULL;
2728 context()->PrepareTest(&materialize_true, &materialize_false,
2729 &if_true, &if_false, &fall_through);
2730
2731 __ test(FieldOperand(eax, String::kHashFieldOffset),
2732 Immediate(String::kContainsCachedArrayIndexMask));
2733 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
2734 Split(zero, if_true, if_false, fall_through);
2735
2736 context()->Plug(if_true, if_false);
2737 }
2738
2739
2740 void FullCodeGenerator::EmitGetCachedArrayIndex(CallRuntime* expr) {
2741 ZoneList<Expression*>* args = expr->arguments();
2742 DCHECK(args->length() == 1);
2743 VisitForAccumulatorValue(args->at(0));
2744
2745 __ AssertString(eax);
2746
2747 __ mov(eax, FieldOperand(eax, String::kHashFieldOffset));
2748 __ IndexFromHash(eax, eax);
2749
2750 context()->Plug(eax);
2751 }
2752
2753
2754 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) { 2715 void FullCodeGenerator::EmitGetSuperConstructor(CallRuntime* expr) {
2755 ZoneList<Expression*>* args = expr->arguments(); 2716 ZoneList<Expression*>* args = expr->arguments();
2756 DCHECK_EQ(1, args->length()); 2717 DCHECK_EQ(1, args->length());
2757 VisitForAccumulatorValue(args->at(0)); 2718 VisitForAccumulatorValue(args->at(0));
2758 __ AssertFunction(eax); 2719 __ AssertFunction(eax);
2759 __ mov(eax, FieldOperand(eax, HeapObject::kMapOffset)); 2720 __ mov(eax, FieldOperand(eax, HeapObject::kMapOffset));
2760 __ mov(eax, FieldOperand(eax, Map::kPrototypeOffset)); 2721 __ mov(eax, FieldOperand(eax, Map::kPrototypeOffset));
2761 context()->Plug(eax); 2722 context()->Plug(eax);
2762 } 2723 }
2763 2724
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3552 isolate->builtins()->OnStackReplacement()->entry(), 3513 isolate->builtins()->OnStackReplacement()->entry(),
3553 Assembler::target_address_at(call_target_address, unoptimized_code)); 3514 Assembler::target_address_at(call_target_address, unoptimized_code));
3554 return ON_STACK_REPLACEMENT; 3515 return ON_STACK_REPLACEMENT;
3555 } 3516 }
3556 3517
3557 3518
3558 } // namespace internal 3519 } // namespace internal
3559 } // namespace v8 3520 } // namespace v8
3560 3521
3561 #endif // V8_TARGET_ARCH_X87 3522 #endif // V8_TARGET_ARCH_X87
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