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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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57 void ToNumberStub::InitializeInterfaceDescriptor( | 57 void ToNumberStub::InitializeInterfaceDescriptor( |
58 Isolate* isolate, | 58 Isolate* isolate, |
59 CodeStubInterfaceDescriptor* descriptor) { | 59 CodeStubInterfaceDescriptor* descriptor) { |
60 static Register registers[] = { eax }; | 60 static Register registers[] = { eax }; |
61 descriptor->register_param_count_ = 1; | 61 descriptor->register_param_count_ = 1; |
62 descriptor->register_params_ = registers; | 62 descriptor->register_params_ = registers; |
63 descriptor->deoptimization_handler_ = NULL; | 63 descriptor->deoptimization_handler_ = NULL; |
64 } | 64 } |
65 | 65 |
66 | 66 |
| 67 void NumberToStringStub::InitializeInterfaceDescriptor( |
| 68 Isolate* isolate, |
| 69 CodeStubInterfaceDescriptor* descriptor) { |
| 70 static Register registers[] = { eax }; |
| 71 descriptor->register_param_count_ = 1; |
| 72 descriptor->register_params_ = registers; |
| 73 descriptor->deoptimization_handler_ = NULL; |
| 74 } |
| 75 |
| 76 |
67 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor( | 77 void FastCloneShallowArrayStub::InitializeInterfaceDescriptor( |
68 Isolate* isolate, | 78 Isolate* isolate, |
69 CodeStubInterfaceDescriptor* descriptor) { | 79 CodeStubInterfaceDescriptor* descriptor) { |
70 static Register registers[] = { eax, ebx, ecx }; | 80 static Register registers[] = { eax, ebx, ecx }; |
71 descriptor->register_param_count_ = 3; | 81 descriptor->register_param_count_ = 3; |
72 descriptor->register_params_ = registers; | 82 descriptor->register_params_ = registers; |
73 descriptor->deoptimization_handler_ = | 83 descriptor->deoptimization_handler_ = |
74 Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry; | 84 Runtime::FunctionForId(Runtime::kCreateArrayLiteralShallow)->entry; |
75 } | 85 } |
76 | 86 |
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3760 __ jmp(&loop); | 3770 __ jmp(&loop); |
3761 | 3771 |
3762 __ bind(&done); | 3772 __ bind(&done); |
3763 __ ret(3 * kPointerSize); | 3773 __ ret(3 * kPointerSize); |
3764 | 3774 |
3765 __ bind(&slowcase); | 3775 __ bind(&slowcase); |
3766 __ TailCallRuntime(Runtime::kRegExpConstructResult, 3, 1); | 3776 __ TailCallRuntime(Runtime::kRegExpConstructResult, 3, 1); |
3767 } | 3777 } |
3768 | 3778 |
3769 | 3779 |
3770 void NumberToStringStub::Generate(MacroAssembler* masm) { | |
3771 Label runtime; | |
3772 | |
3773 __ mov(ebx, Operand(esp, kPointerSize)); | |
3774 | |
3775 // Generate code to lookup number in the number string cache. | |
3776 __ LookupNumberStringCache(ebx, eax, ecx, edx, &runtime); | |
3777 __ ret(1 * kPointerSize); | |
3778 | |
3779 __ bind(&runtime); | |
3780 // Handle number to string in the runtime system if not found in the cache. | |
3781 __ TailCallRuntime(Runtime::kNumberToStringSkipCache, 1, 1); | |
3782 } | |
3783 | |
3784 | |
3785 static int NegativeComparisonResult(Condition cc) { | 3780 static int NegativeComparisonResult(Condition cc) { |
3786 ASSERT(cc != equal); | 3781 ASSERT(cc != equal); |
3787 ASSERT((cc == less) || (cc == less_equal) | 3782 ASSERT((cc == less) || (cc == less_equal) |
3788 || (cc == greater) || (cc == greater_equal)); | 3783 || (cc == greater) || (cc == greater_equal)); |
3789 return (cc == greater || cc == greater_equal) ? LESS : GREATER; | 3784 return (cc == greater || cc == greater_equal) ? LESS : GREATER; |
3790 } | 3785 } |
3791 | 3786 |
3792 | 3787 |
3793 static void CheckInputType(MacroAssembler* masm, | 3788 static void CheckInputType(MacroAssembler* masm, |
3794 Register input, | 3789 Register input, |
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7457 __ bind(&fast_elements_case); | 7452 __ bind(&fast_elements_case); |
7458 GenerateCase(masm, FAST_ELEMENTS); | 7453 GenerateCase(masm, FAST_ELEMENTS); |
7459 } | 7454 } |
7460 | 7455 |
7461 | 7456 |
7462 #undef __ | 7457 #undef __ |
7463 | 7458 |
7464 } } // namespace v8::internal | 7459 } } // namespace v8::internal |
7465 | 7460 |
7466 #endif // V8_TARGET_ARCH_IA32 | 7461 #endif // V8_TARGET_ARCH_IA32 |
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