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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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692 LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { | 692 LInstruction* LChunkBuilder::AssignPointerMap(LInstruction* instr) { |
693 ASSERT(!instr->HasPointerMap()); | 693 ASSERT(!instr->HasPointerMap()); |
694 instr->set_pointer_map(new(zone()) LPointerMap(position_, zone())); | 694 instr->set_pointer_map(new(zone()) LPointerMap(position_, zone())); |
695 return instr; | 695 return instr; |
696 } | 696 } |
697 | 697 |
698 | 698 |
699 LUnallocated* LChunkBuilder::TempRegister() { | 699 LUnallocated* LChunkBuilder::TempRegister() { |
700 LUnallocated* operand = | 700 LUnallocated* operand = |
701 new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); | 701 new(zone()) LUnallocated(LUnallocated::MUST_HAVE_REGISTER); |
702 operand->set_virtual_register(allocator_->GetVirtualRegister()); | 702 int vreg = allocator_->GetVirtualRegister(); |
703 if (!allocator_->AllocationOk()) { | 703 if (!allocator_->AllocationOk()) { |
704 Abort("Not enough virtual registers (temps)."); | 704 Abort("Out of virtual registers while trying to allocate temp register."); |
| 705 return NULL; |
705 } | 706 } |
| 707 operand->set_virtual_register(vreg); |
706 return operand; | 708 return operand; |
707 } | 709 } |
708 | 710 |
709 | 711 |
710 LOperand* LChunkBuilder::FixedTemp(Register reg) { | 712 LOperand* LChunkBuilder::FixedTemp(Register reg) { |
711 LUnallocated* operand = ToUnallocated(reg); | 713 LUnallocated* operand = ToUnallocated(reg); |
712 ASSERT(operand->HasFixedPolicy()); | 714 ASSERT(operand->HasFixedPolicy()); |
713 return operand; | 715 return operand; |
714 } | 716 } |
715 | 717 |
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2540 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { | 2542 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { |
2541 LOperand* object = UseRegister(instr->object()); | 2543 LOperand* object = UseRegister(instr->object()); |
2542 LOperand* index = UseTempRegister(instr->index()); | 2544 LOperand* index = UseTempRegister(instr->index()); |
2543 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); | 2545 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); |
2544 } | 2546 } |
2545 | 2547 |
2546 | 2548 |
2547 } } // namespace v8::internal | 2549 } } // namespace v8::internal |
2548 | 2550 |
2549 #endif // V8_TARGET_ARCH_IA32 | 2551 #endif // V8_TARGET_ARCH_IA32 |
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