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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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| 2597 __ j(less, &arguments_loop, Label::kNear); | 2597 __ j(less, &arguments_loop, Label::kNear); |
| 2598 | 2598 |
| 2599 // Return and remove the on-stack parameters. | 2599 // Return and remove the on-stack parameters. |
| 2600 __ ret(3 * kPointerSize); | 2600 __ ret(3 * kPointerSize); |
| 2601 | 2601 |
| 2602 // Do the runtime call to allocate the arguments object. | 2602 // Do the runtime call to allocate the arguments object. |
| 2603 // rcx = argument count (untagged) | 2603 // rcx = argument count (untagged) |
| 2604 __ bind(&runtime); | 2604 __ bind(&runtime); |
| 2605 __ Integer32ToSmi(rcx, rcx); | 2605 __ Integer32ToSmi(rcx, rcx); |
| 2606 __ movq(Operand(rsp, 1 * kPointerSize), rcx); // Patch argument count. | 2606 __ movq(Operand(rsp, 1 * kPointerSize), rcx); // Patch argument count. |
| 2607 __ TailCallRuntime(Runtime::kNewStrictArgumentsFast, 3, 1); | 2607 __ TailCallRuntime(Runtime::kNewArgumentsFast, 3, 1); |
| 2608 } | 2608 } |
| 2609 | 2609 |
| 2610 | 2610 |
| 2611 void ArgumentsAccessStub::GenerateNewNonStrictSlow(MacroAssembler* masm) { | 2611 void ArgumentsAccessStub::GenerateNewNonStrictSlow(MacroAssembler* masm) { |
| 2612 // esp[0] : return address | 2612 // esp[0] : return address |
| 2613 // esp[8] : number of parameters | 2613 // esp[8] : number of parameters |
| 2614 // esp[16] : receiver displacement | 2614 // esp[16] : receiver displacement |
| 2615 // esp[24] : function | 2615 // esp[24] : function |
| 2616 | 2616 |
| 2617 // Check if the calling frame is an arguments adaptor frame. | 2617 // Check if the calling frame is an arguments adaptor frame. |
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| 6499 #endif | 6499 #endif |
| 6500 | 6500 |
| 6501 __ Ret(); | 6501 __ Ret(); |
| 6502 } | 6502 } |
| 6503 | 6503 |
| 6504 #undef __ | 6504 #undef __ |
| 6505 | 6505 |
| 6506 } } // namespace v8::internal | 6506 } } // namespace v8::internal |
| 6507 | 6507 |
| 6508 #endif // V8_TARGET_ARCH_X64 | 6508 #endif // V8_TARGET_ARCH_X64 |
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