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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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753 // Do not restore rsp, simply pop the value into the next register | 753 // Do not restore rsp, simply pop the value into the next register |
754 // and overwrite this afterwards. | 754 // and overwrite this afterwards. |
755 if (r.is(rsp)) { | 755 if (r.is(rsp)) { |
756 ASSERT(i > 0); | 756 ASSERT(i > 0); |
757 r = Register::toRegister(i - 1); | 757 r = Register::toRegister(i - 1); |
758 } | 758 } |
759 __ pop(r); | 759 __ pop(r); |
760 } | 760 } |
761 | 761 |
762 // Set up the roots register. | 762 // Set up the roots register. |
763 ExternalReference roots_address = ExternalReference::roots_address(isolate); | |
764 __ InitializeRootRegister(); | 763 __ InitializeRootRegister(); |
765 __ InitializeSmiConstantRegister(); | 764 __ InitializeSmiConstantRegister(); |
766 | 765 |
767 // Return to the continuation point. | 766 // Return to the continuation point. |
768 __ ret(0); | 767 __ ret(0); |
769 } | 768 } |
770 | 769 |
771 | 770 |
772 void Deoptimizer::TableEntryGenerator::GeneratePrologue() { | 771 void Deoptimizer::TableEntryGenerator::GeneratePrologue() { |
773 // Create a sequence of deoptimization entries. | 772 // Create a sequence of deoptimization entries. |
774 Label done; | 773 Label done; |
775 for (int i = 0; i < count(); i++) { | 774 for (int i = 0; i < count(); i++) { |
776 int start = masm()->pc_offset(); | 775 int start = masm()->pc_offset(); |
777 USE(start); | 776 USE(start); |
778 __ push_imm32(i); | 777 __ push_imm32(i); |
779 __ jmp(&done); | 778 __ jmp(&done); |
780 ASSERT(masm()->pc_offset() - start == table_entry_size_); | 779 ASSERT(masm()->pc_offset() - start == table_entry_size_); |
781 } | 780 } |
782 __ bind(&done); | 781 __ bind(&done); |
783 } | 782 } |
784 | 783 |
785 #undef __ | 784 #undef __ |
786 | 785 |
787 | 786 |
788 } } // namespace v8::internal | 787 } } // namespace v8::internal |
789 | 788 |
790 #endif // V8_TARGET_ARCH_X64 | 789 #endif // V8_TARGET_ARCH_X64 |
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