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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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626 }; | 626 }; |
627 | 627 |
628 | 628 |
629 // ------------------------------------------------------------------------- | 629 // ------------------------------------------------------------------------- |
630 // Code stubs | 630 // Code stubs |
631 // | 631 // |
632 // These independent code objects are created once, and used multiple | 632 // These independent code objects are created once, and used multiple |
633 // times by generated code to perform common tasks, often the slow | 633 // times by generated code to perform common tasks, often the slow |
634 // case of a JavaScript operation. They are all subclasses of CodeStub, | 634 // case of a JavaScript operation. They are all subclasses of CodeStub, |
635 // which is declared in code-stubs.h. | 635 // which is declared in code-stubs.h. |
| 636 class CallFunctionStub: public CodeStub { |
| 637 public: |
| 638 CallFunctionStub(int argc, InLoopFlag in_loop) |
| 639 : argc_(argc), in_loop_(in_loop) { } |
| 640 |
| 641 void Generate(MacroAssembler* masm); |
| 642 |
| 643 private: |
| 644 int argc_; |
| 645 InLoopFlag in_loop_; |
| 646 |
| 647 #ifdef DEBUG |
| 648 void Print() { PrintF("CallFunctionStub (args %d)\n", argc_); } |
| 649 #endif |
| 650 |
| 651 Major MajorKey() { return CallFunction; } |
| 652 int MinorKey() { return argc_; } |
| 653 InLoopFlag InLoop() { return in_loop_; } |
| 654 }; |
636 | 655 |
637 | 656 |
638 class ToBooleanStub: public CodeStub { | 657 class ToBooleanStub: public CodeStub { |
639 public: | 658 public: |
640 ToBooleanStub() { } | 659 ToBooleanStub() { } |
641 | 660 |
642 void Generate(MacroAssembler* masm); | 661 void Generate(MacroAssembler* masm); |
643 | 662 |
644 private: | 663 private: |
645 Major MajorKey() { return ToBoolean; } | 664 Major MajorKey() { return ToBoolean; } |
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734 void SetArgsReversed() { args_reversed_ = true; } | 753 void SetArgsReversed() { args_reversed_ = true; } |
735 bool HasSmiCodeInStub() { return (flags_ & NO_SMI_CODE_IN_STUB) == 0; } | 754 bool HasSmiCodeInStub() { return (flags_ & NO_SMI_CODE_IN_STUB) == 0; } |
736 bool HasArgumentsInRegisters() { return args_in_registers_; } | 755 bool HasArgumentsInRegisters() { return args_in_registers_; } |
737 bool HasArgumentsReversed() { return args_reversed_; } | 756 bool HasArgumentsReversed() { return args_reversed_; } |
738 }; | 757 }; |
739 | 758 |
740 | 759 |
741 } } // namespace v8::internal | 760 } } // namespace v8::internal |
742 | 761 |
743 #endif // V8_X64_CODEGEN_X64_H_ | 762 #endif // V8_X64_CODEGEN_X64_H_ |
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