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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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73 | 73 |
74 // Return and remove the on-stack parameter. | 74 // Return and remove the on-stack parameter. |
75 __ ret(1 * kPointerSize); | 75 __ ret(1 * kPointerSize); |
76 | 76 |
77 // Create a new closure through the slower runtime call. | 77 // Create a new closure through the slower runtime call. |
78 __ bind(&gc); | 78 __ bind(&gc); |
79 __ pop(ecx); // Temporarily remove return address. | 79 __ pop(ecx); // Temporarily remove return address. |
80 __ pop(edx); | 80 __ pop(edx); |
81 __ push(esi); | 81 __ push(esi); |
82 __ push(edx); | 82 __ push(edx); |
| 83 __ push(Immediate(Factory::false_value())); |
83 __ push(ecx); // Restore return address. | 84 __ push(ecx); // Restore return address. |
84 __ TailCallRuntime(Runtime::kNewClosure, 2, 1); | 85 __ TailCallRuntime(Runtime::kNewClosure, 3, 1); |
85 } | 86 } |
86 | 87 |
87 | 88 |
88 void FastNewContextStub::Generate(MacroAssembler* masm) { | 89 void FastNewContextStub::Generate(MacroAssembler* masm) { |
89 // Try to allocate the context in new space. | 90 // Try to allocate the context in new space. |
90 Label gc; | 91 Label gc; |
91 int length = slots_ + Context::MIN_CONTEXT_SLOTS; | 92 int length = slots_ + Context::MIN_CONTEXT_SLOTS; |
92 __ AllocateInNewSpace((length * kPointerSize) + FixedArray::kHeaderSize, | 93 __ AllocateInNewSpace((length * kPointerSize) + FixedArray::kHeaderSize, |
93 eax, ebx, ecx, &gc, TAG_OBJECT); | 94 eax, ebx, ecx, &gc, TAG_OBJECT); |
94 | 95 |
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4570 // tagged as a small integer. | 4571 // tagged as a small integer. |
4571 __ bind(&runtime); | 4572 __ bind(&runtime); |
4572 __ TailCallRuntime(Runtime::kStringCompare, 2, 1); | 4573 __ TailCallRuntime(Runtime::kStringCompare, 2, 1); |
4573 } | 4574 } |
4574 | 4575 |
4575 #undef __ | 4576 #undef __ |
4576 | 4577 |
4577 } } // namespace v8::internal | 4578 } } // namespace v8::internal |
4578 | 4579 |
4579 #endif // V8_TARGET_ARCH_IA32 | 4580 #endif // V8_TARGET_ARCH_IA32 |
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