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Issue 9227007: Version 3.8.6 (Closed) Base URL: http://v8.googlecode.com/svn/trunk/
Patch Set: Created 8 years, 11 months ago
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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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399 while (ok && input_offset >= 0) { 399 while (ok && input_offset >= 0) {
400 ok = DoOsrTranslateCommand(&iterator, &input_offset); 400 ok = DoOsrTranslateCommand(&iterator, &input_offset);
401 } 401 }
402 402
403 // If translation of any command failed, continue using the input frame. 403 // If translation of any command failed, continue using the input frame.
404 if (!ok) { 404 if (!ok) {
405 delete output_[0]; 405 delete output_[0];
406 output_[0] = input_; 406 output_[0] = input_;
407 output_[0]->SetPc(reinterpret_cast<uint32_t>(from_)); 407 output_[0]->SetPc(reinterpret_cast<uint32_t>(from_));
408 } else { 408 } else {
409 // Setup the frame pointer and the context pointer. 409 // Set up the frame pointer and the context pointer.
410 // All OSR stack frames are dynamically aligned to an 8-byte boundary. 410 // All OSR stack frames are dynamically aligned to an 8-byte boundary.
411 int frame_pointer = input_->GetRegister(ebp.code()); 411 int frame_pointer = input_->GetRegister(ebp.code());
412 if ((frame_pointer & 0x4) == 0) { 412 if ((frame_pointer & 0x4) == 0) {
413 // Return address at FP + 4 should be aligned, so FP mod 8 should be 4. 413 // Return address at FP + 4 should be aligned, so FP mod 8 should be 4.
414 frame_pointer -= kPointerSize; 414 frame_pointer -= kPointerSize;
415 has_alignment_padding_ = 1; 415 has_alignment_padding_ = 1;
416 } 416 }
417 output_[0]->SetRegister(ebp.code(), frame_pointer); 417 output_[0]->SetRegister(ebp.code(), frame_pointer);
418 output_[0]->SetRegister(esi.code(), input_->GetRegister(esi.code())); 418 output_[0]->SetRegister(esi.code(), input_->GetRegister(esi.code()));
419 419
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821 } 821 }
822 __ bind(&done); 822 __ bind(&done);
823 } 823 }
824 824
825 #undef __ 825 #undef __
826 826
827 827
828 } } // namespace v8::internal 828 } } // namespace v8::internal
829 829
830 #endif // V8_TARGET_ARCH_IA32 830 #endif // V8_TARGET_ARCH_IA32
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