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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_ARM | 5 #if V8_TARGET_ARCH_ARM |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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2758 | 2758 |
2759 __ CompareObjectType(r0, r1, r1, HEAP_NUMBER_TYPE); | 2759 __ CompareObjectType(r0, r1, r1, HEAP_NUMBER_TYPE); |
2760 // r0: receiver | 2760 // r0: receiver |
2761 // r1: receiver instance type | 2761 // r1: receiver instance type |
2762 __ Ret(eq); | 2762 __ Ret(eq); |
2763 | 2763 |
2764 __ Jump(masm->isolate()->builtins()->NonNumberToNumber(), | 2764 __ Jump(masm->isolate()->builtins()->NonNumberToNumber(), |
2765 RelocInfo::CODE_TARGET); | 2765 RelocInfo::CODE_TARGET); |
2766 } | 2766 } |
2767 | 2767 |
2768 void Builtins::Generate_NonNumberToNumber(MacroAssembler* masm) { | |
2769 // The NonNumberToNumber stub takes one argument in r0. | |
2770 __ AssertNotNumber(r0); | |
2771 | |
2772 __ CompareObjectType(r0, r1, r1, FIRST_NONSTRING_TYPE); | |
2773 // r0: receiver | |
2774 // r1: receiver instance type | |
2775 __ Jump(masm->isolate()->builtins()->StringToNumber(), RelocInfo::CODE_TARGET, | |
2776 lo); | |
2777 | |
2778 Label not_oddball; | |
2779 __ cmp(r1, Operand(ODDBALL_TYPE)); | |
2780 __ b(ne, ¬_oddball); | |
2781 __ ldr(r0, FieldMemOperand(r0, Oddball::kToNumberOffset)); | |
2782 __ Ret(); | |
2783 __ bind(¬_oddball); | |
2784 { | |
2785 FrameScope frame(masm, StackFrame::INTERNAL); | |
2786 // Push argument. | |
2787 __ Push(r0); | |
2788 // We cannot use a tail call here because this builtin can also be called | |
2789 // from wasm. | |
2790 __ CallRuntime(Runtime::kToNumber); | |
2791 } | |
2792 __ Ret(); | |
2793 } | |
2794 | |
2795 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { | 2768 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
2796 // ----------- S t a t e ------------- | 2769 // ----------- S t a t e ------------- |
2797 // -- r0 : actual number of arguments | 2770 // -- r0 : actual number of arguments |
2798 // -- r1 : function (passed through to callee) | 2771 // -- r1 : function (passed through to callee) |
2799 // -- r2 : expected number of arguments | 2772 // -- r2 : expected number of arguments |
2800 // -- r3 : new target (passed through to callee) | 2773 // -- r3 : new target (passed through to callee) |
2801 // ----------------------------------- | 2774 // ----------------------------------- |
2802 | 2775 |
2803 Label invoke, dont_adapt_arguments, stack_overflow; | 2776 Label invoke, dont_adapt_arguments, stack_overflow; |
2804 | 2777 |
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2914 __ bkpt(0); | 2887 __ bkpt(0); |
2915 } | 2888 } |
2916 } | 2889 } |
2917 | 2890 |
2918 #undef __ | 2891 #undef __ |
2919 | 2892 |
2920 } // namespace internal | 2893 } // namespace internal |
2921 } // namespace v8 | 2894 } // namespace v8 |
2922 | 2895 |
2923 #endif // V8_TARGET_ARCH_ARM | 2896 #endif // V8_TARGET_ARCH_ARM |
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