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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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655 // Jump to point after the code-age stub. | 655 // Jump to point after the code-age stub. |
656 __ ret(0); | 656 __ ret(0); |
657 } | 657 } |
658 | 658 |
659 | 659 |
660 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { | 660 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { |
661 GenerateMakeCodeYoungAgainCommon(masm); | 661 GenerateMakeCodeYoungAgainCommon(masm); |
662 } | 662 } |
663 | 663 |
664 | 664 |
665 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { | 665 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, |
| 666 SaveFPRegsMode save_doubles) { |
666 // Enter an internal frame. | 667 // Enter an internal frame. |
667 { | 668 { |
668 FrameScope scope(masm, StackFrame::INTERNAL); | 669 FrameScope scope(masm, StackFrame::INTERNAL); |
669 | 670 |
670 // Preserve registers across notification, this is important for compiled | 671 // Preserve registers across notification, this is important for compiled |
671 // stubs that tail call the runtime on deopts passing their parameters in | 672 // stubs that tail call the runtime on deopts passing their parameters in |
672 // registers. | 673 // registers. |
673 __ Pushad(); | 674 __ Pushad(); |
674 __ CallRuntime(Runtime::kNotifyStubFailure, 0); | 675 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); |
675 __ Popad(); | 676 __ Popad(); |
676 // Tear down internal frame. | 677 // Tear down internal frame. |
677 } | 678 } |
678 | 679 |
679 __ pop(MemOperand(rsp, 0)); // Ignore state offset | 680 __ pop(MemOperand(rsp, 0)); // Ignore state offset |
680 __ ret(0); // Return to IC Miss stub, continuation still on stack. | 681 __ ret(0); // Return to IC Miss stub, continuation still on stack. |
681 } | 682 } |
682 | 683 |
683 | 684 |
| 685 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { |
| 686 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); |
| 687 } |
| 688 |
| 689 |
| 690 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { |
| 691 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs); |
| 692 } |
| 693 |
| 694 |
684 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, | 695 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, |
685 Deoptimizer::BailoutType type) { | 696 Deoptimizer::BailoutType type) { |
686 // Enter an internal frame. | 697 // Enter an internal frame. |
687 { | 698 { |
688 FrameScope scope(masm, StackFrame::INTERNAL); | 699 FrameScope scope(masm, StackFrame::INTERNAL); |
689 | 700 |
690 // Pass the deoptimization type to the runtime system. | 701 // Pass the deoptimization type to the runtime system. |
691 __ Push(Smi::FromInt(static_cast<int>(type))); | 702 __ Push(Smi::FromInt(static_cast<int>(type))); |
692 | 703 |
693 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); | 704 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); |
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1436 __ bind(&ok); | 1447 __ bind(&ok); |
1437 __ ret(0); | 1448 __ ret(0); |
1438 } | 1449 } |
1439 | 1450 |
1440 | 1451 |
1441 #undef __ | 1452 #undef __ |
1442 | 1453 |
1443 } } // namespace v8::internal | 1454 } } // namespace v8::internal |
1444 | 1455 |
1445 #endif // V8_TARGET_ARCH_X64 | 1456 #endif // V8_TARGET_ARCH_X64 |
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