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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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2536 ASSERT(ToRegister(instr->key()).is(eax)); | 2536 ASSERT(ToRegister(instr->key()).is(eax)); |
2537 | 2537 |
2538 Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize(); | 2538 Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize(); |
2539 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 2539 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
2540 } | 2540 } |
2541 | 2541 |
2542 | 2542 |
2543 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) { | 2543 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) { |
2544 Register result = ToRegister(instr->result()); | 2544 Register result = ToRegister(instr->result()); |
2545 | 2545 |
2546 if (instr->from_inlined()) { | 2546 // Check for arguments adapter frame. |
2547 __ lea(result, Operand(esp, -2 * kPointerSize)); | 2547 Label done, adapted; |
2548 } else { | 2548 __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); |
2549 // Check for arguments adapter frame. | 2549 __ mov(result, Operand(result, StandardFrameConstants::kContextOffset)); |
2550 Label done, adapted; | 2550 __ cmp(Operand(result), |
2551 __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); | 2551 Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); |
2552 __ mov(result, Operand(result, StandardFrameConstants::kContextOffset)); | 2552 __ j(equal, &adapted, Label::kNear); |
2553 __ cmp(Operand(result), | |
2554 Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); | |
2555 __ j(equal, &adapted, Label::kNear); | |
2556 | 2553 |
2557 // No arguments adaptor frame. | 2554 // No arguments adaptor frame. |
2558 __ mov(result, Operand(ebp)); | 2555 __ mov(result, Operand(ebp)); |
2559 __ jmp(&done, Label::kNear); | 2556 __ jmp(&done, Label::kNear); |
2560 | 2557 |
2561 // Arguments adaptor frame present. | 2558 // Arguments adaptor frame present. |
2562 __ bind(&adapted); | 2559 __ bind(&adapted); |
2563 __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); | 2560 __ mov(result, Operand(ebp, StandardFrameConstants::kCallerFPOffset)); |
2564 | 2561 |
2565 // Result is the frame pointer for the frame if not adapted and for the real | 2562 // Result is the frame pointer for the frame if not adapted and for the real |
2566 // frame below the adaptor frame if adapted. | 2563 // frame below the adaptor frame if adapted. |
2567 __ bind(&done); | 2564 __ bind(&done); |
2568 } | |
2569 } | 2565 } |
2570 | 2566 |
2571 | 2567 |
2572 void LCodeGen::DoArgumentsLength(LArgumentsLength* instr) { | 2568 void LCodeGen::DoArgumentsLength(LArgumentsLength* instr) { |
2573 Operand elem = ToOperand(instr->InputAt(0)); | 2569 Operand elem = ToOperand(instr->InputAt(0)); |
2574 Register result = ToRegister(instr->result()); | 2570 Register result = ToRegister(instr->result()); |
2575 | 2571 |
2576 Label done; | 2572 Label done; |
2577 | 2573 |
2578 // If no arguments adaptor frame the number of arguments is fixed. | 2574 // If no arguments adaptor frame the number of arguments is fixed. |
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2680 safepoint_generator, CALL_AS_METHOD); | 2676 safepoint_generator, CALL_AS_METHOD); |
2681 } | 2677 } |
2682 | 2678 |
2683 | 2679 |
2684 void LCodeGen::DoPushArgument(LPushArgument* instr) { | 2680 void LCodeGen::DoPushArgument(LPushArgument* instr) { |
2685 LOperand* argument = instr->InputAt(0); | 2681 LOperand* argument = instr->InputAt(0); |
2686 EmitPushTaggedOperand(argument); | 2682 EmitPushTaggedOperand(argument); |
2687 } | 2683 } |
2688 | 2684 |
2689 | 2685 |
2690 void LCodeGen::DoPop(LPop* instr) { | |
2691 __ Drop(instr->count()); | |
2692 } | |
2693 | |
2694 | |
2695 void LCodeGen::DoThisFunction(LThisFunction* instr) { | 2686 void LCodeGen::DoThisFunction(LThisFunction* instr) { |
2696 Register result = ToRegister(instr->result()); | 2687 Register result = ToRegister(instr->result()); |
2697 __ LoadHeapObject(result, instr->hydrogen()->closure()); | 2688 __ LoadHeapObject(result, instr->hydrogen()->closure()); |
2698 } | 2689 } |
2699 | 2690 |
2700 | 2691 |
2701 void LCodeGen::DoContext(LContext* instr) { | 2692 void LCodeGen::DoContext(LContext* instr) { |
2702 Register result = ToRegister(instr->result()); | 2693 Register result = ToRegister(instr->result()); |
2703 __ mov(result, Operand(ebp, StandardFrameConstants::kContextOffset)); | 2694 __ mov(result, Operand(ebp, StandardFrameConstants::kContextOffset)); |
2704 } | 2695 } |
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4986 FixedArray::kHeaderSize - kPointerSize)); | 4977 FixedArray::kHeaderSize - kPointerSize)); |
4987 __ bind(&done); | 4978 __ bind(&done); |
4988 } | 4979 } |
4989 | 4980 |
4990 | 4981 |
4991 #undef __ | 4982 #undef __ |
4992 | 4983 |
4993 } } // namespace v8::internal | 4984 } } // namespace v8::internal |
4994 | 4985 |
4995 #endif // V8_TARGET_ARCH_IA32 | 4986 #endif // V8_TARGET_ARCH_IA32 |
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