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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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| 594 // Jump to point after the code-age stub. | 594 // Jump to point after the code-age stub. |
| 595 __ ret(0); | 595 __ ret(0); |
| 596 } | 596 } |
| 597 | 597 |
| 598 | 598 |
| 599 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { | 599 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) { |
| 600 GenerateMakeCodeYoungAgainCommon(masm); | 600 GenerateMakeCodeYoungAgainCommon(masm); |
| 601 } | 601 } |
| 602 | 602 |
| 603 | 603 |
| 604 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { | 604 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, |
| 605 SaveFPRegsMode save_doubles) { |
| 605 // Enter an internal frame. | 606 // Enter an internal frame. |
| 606 { | 607 { |
| 607 FrameScope scope(masm, StackFrame::INTERNAL); | 608 FrameScope scope(masm, StackFrame::INTERNAL); |
| 608 | 609 |
| 609 // Preserve registers across notification, this is important for compiled | 610 // Preserve registers across notification, this is important for compiled |
| 610 // stubs that tail call the runtime on deopts passing their parameters in | 611 // stubs that tail call the runtime on deopts passing their parameters in |
| 611 // registers. | 612 // registers. |
| 612 __ pushad(); | 613 __ pushad(); |
| 613 __ CallRuntime(Runtime::kNotifyStubFailure, 0); | 614 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); |
| 614 __ popad(); | 615 __ popad(); |
| 615 // Tear down internal frame. | 616 // Tear down internal frame. |
| 616 } | 617 } |
| 617 | 618 |
| 618 __ pop(MemOperand(esp, 0)); // Ignore state offset | 619 __ pop(MemOperand(esp, 0)); // Ignore state offset |
| 619 __ ret(0); // Return to IC Miss stub, continuation still on stack. | 620 __ ret(0); // Return to IC Miss stub, continuation still on stack. |
| 620 } | 621 } |
| 621 | 622 |
| 622 | 623 |
| 624 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { |
| 625 Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs); |
| 626 } |
| 627 |
| 628 |
| 629 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) { |
| 630 Generate_NotifyStubFailureHelper(masm, kSaveFPRegs); |
| 631 } |
| 632 |
| 633 |
| 623 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, | 634 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, |
| 624 Deoptimizer::BailoutType type) { | 635 Deoptimizer::BailoutType type) { |
| 625 { | 636 { |
| 626 FrameScope scope(masm, StackFrame::INTERNAL); | 637 FrameScope scope(masm, StackFrame::INTERNAL); |
| 627 | 638 |
| 628 // Pass deoptimization type to the runtime system. | 639 // Pass deoptimization type to the runtime system. |
| 629 __ push(Immediate(Smi::FromInt(static_cast<int>(type)))); | 640 __ push(Immediate(Smi::FromInt(static_cast<int>(type)))); |
| 630 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); | 641 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); |
| 631 | 642 |
| 632 // Tear down internal frame. | 643 // Tear down internal frame. |
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| 1361 | 1372 |
| 1362 __ bind(&ok); | 1373 __ bind(&ok); |
| 1363 __ ret(0); | 1374 __ ret(0); |
| 1364 } | 1375 } |
| 1365 | 1376 |
| 1366 #undef __ | 1377 #undef __ |
| 1367 } | 1378 } |
| 1368 } // namespace v8::internal | 1379 } // namespace v8::internal |
| 1369 | 1380 |
| 1370 #endif // V8_TARGET_ARCH_IA32 | 1381 #endif // V8_TARGET_ARCH_IA32 |
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