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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/code-stubs.h" | 7 #include "src/code-stubs.h" |
| 8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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| 636 // With careful management, we won't have to save slot and vector on | 636 // With careful management, we won't have to save slot and vector on |
| 637 // the stack. Simply handle the possibly missing case first. | 637 // the stack. Simply handle the possibly missing case first. |
| 638 // TODO(mvstanton): this code can be more efficient. | 638 // TODO(mvstanton): this code can be more efficient. |
| 639 __ cmp(FieldOperand(receiver, JSFunction::kPrototypeOrInitialMapOffset), | 639 __ cmp(FieldOperand(receiver, JSFunction::kPrototypeOrInitialMapOffset), |
| 640 Immediate(isolate()->factory()->the_hole_value())); | 640 Immediate(isolate()->factory()->the_hole_value())); |
| 641 __ j(equal, &miss); | 641 __ j(equal, &miss); |
| 642 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); | 642 __ TryGetFunctionPrototype(receiver, eax, ebx, &miss); |
| 643 __ ret(0); | 643 __ ret(0); |
| 644 | 644 |
| 645 __ bind(&miss); | 645 __ bind(&miss); |
| 646 PropertyAccessCompiler::TailCallBuiltin( | 646 PropertyAccessCompiler::TailCallMissHandler(masm, Code::LOAD_IC); |
| 647 masm, PropertyAccessCompiler::MissBuiltin(Code::LOAD_IC)); | |
| 648 } | 647 } |
| 649 | 648 |
| 650 | 649 |
| 651 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { | 650 void LoadIndexedStringStub::Generate(MacroAssembler* masm) { |
| 652 // Return address is on the stack. | 651 // Return address is on the stack. |
| 653 Label miss; | 652 Label miss; |
| 654 | 653 |
| 655 Register receiver = LoadDescriptor::ReceiverRegister(); | 654 Register receiver = LoadDescriptor::ReceiverRegister(); |
| 656 Register index = LoadDescriptor::NameRegister(); | 655 Register index = LoadDescriptor::NameRegister(); |
| 657 Register scratch = edi; | 656 Register scratch = edi; |
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| 669 &miss, // When not a number. | 668 &miss, // When not a number. |
| 670 &miss, // When index out of range. | 669 &miss, // When index out of range. |
| 671 RECEIVER_IS_STRING); | 670 RECEIVER_IS_STRING); |
| 672 char_at_generator.GenerateFast(masm); | 671 char_at_generator.GenerateFast(masm); |
| 673 __ ret(0); | 672 __ ret(0); |
| 674 | 673 |
| 675 StubRuntimeCallHelper call_helper; | 674 StubRuntimeCallHelper call_helper; |
| 676 char_at_generator.GenerateSlow(masm, PART_OF_IC_HANDLER, call_helper); | 675 char_at_generator.GenerateSlow(masm, PART_OF_IC_HANDLER, call_helper); |
| 677 | 676 |
| 678 __ bind(&miss); | 677 __ bind(&miss); |
| 679 PropertyAccessCompiler::TailCallBuiltin( | 678 PropertyAccessCompiler::TailCallMissHandler(masm, Code::KEYED_LOAD_IC); |
| 680 masm, PropertyAccessCompiler::MissBuiltin(Code::KEYED_LOAD_IC)); | |
| 681 } | 679 } |
| 682 | 680 |
| 683 | 681 |
| 684 void RegExpExecStub::Generate(MacroAssembler* masm) { | 682 void RegExpExecStub::Generate(MacroAssembler* masm) { |
| 685 // Just jump directly to runtime if native RegExp is not selected at compile | 683 // Just jump directly to runtime if native RegExp is not selected at compile |
| 686 // time or if regexp entry in generated code is turned off runtime switch or | 684 // time or if regexp entry in generated code is turned off runtime switch or |
| 687 // at compilation. | 685 // at compilation. |
| 688 #ifdef V8_INTERPRETED_REGEXP | 686 #ifdef V8_INTERPRETED_REGEXP |
| 689 __ TailCallRuntime(Runtime::kRegExpExec); | 687 __ TailCallRuntime(Runtime::kRegExpExec); |
| 690 #else // V8_INTERPRETED_REGEXP | 688 #else // V8_INTERPRETED_REGEXP |
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| 5717 kStackUnwindSpace, nullptr, return_value_operand, | 5715 kStackUnwindSpace, nullptr, return_value_operand, |
| 5718 NULL); | 5716 NULL); |
| 5719 } | 5717 } |
| 5720 | 5718 |
| 5721 #undef __ | 5719 #undef __ |
| 5722 | 5720 |
| 5723 } // namespace internal | 5721 } // namespace internal |
| 5724 } // namespace v8 | 5722 } // namespace v8 |
| 5725 | 5723 |
| 5726 #endif // V8_TARGET_ARCH_IA32 | 5724 #endif // V8_TARGET_ARCH_IA32 |
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