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Issue 82763005: Reland "Implement Math.random() purely in JavaScript" plus fixes. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Added assertion Created 7 years, 1 month ago
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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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1688 LOperand* left = UseFixedDouble(instr->left(), xmm2); 1688 LOperand* left = UseFixedDouble(instr->left(), xmm2);
1689 LOperand* right = exponent_type.IsDouble() ? 1689 LOperand* right = exponent_type.IsDouble() ?
1690 UseFixedDouble(instr->right(), xmm1) : 1690 UseFixedDouble(instr->right(), xmm1) :
1691 UseFixed(instr->right(), eax); 1691 UseFixed(instr->right(), eax);
1692 LPower* result = new(zone()) LPower(left, right); 1692 LPower* result = new(zone()) LPower(left, right);
1693 return MarkAsCall(DefineFixedDouble(result, xmm3), instr, 1693 return MarkAsCall(DefineFixedDouble(result, xmm3), instr,
1694 CAN_DEOPTIMIZE_EAGERLY); 1694 CAN_DEOPTIMIZE_EAGERLY);
1695 } 1695 }
1696 1696
1697 1697
1698 LInstruction* LChunkBuilder::DoRandom(HRandom* instr) {
1699 ASSERT(instr->representation().IsDouble());
1700 ASSERT(instr->global_object()->representation().IsTagged());
1701 LOperand* global_object = UseTempRegister(instr->global_object());
1702 LOperand* scratch = TempRegister();
1703 LOperand* scratch2 = TempRegister();
1704 LOperand* scratch3 = TempRegister();
1705 LRandom* result = new(zone()) LRandom(
1706 global_object, scratch, scratch2, scratch3);
1707 return DefineFixedDouble(result, xmm1);
1708 }
1709
1710
1711 LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) { 1698 LInstruction* LChunkBuilder::DoCompareGeneric(HCompareGeneric* instr) {
1712 ASSERT(instr->left()->representation().IsSmiOrTagged()); 1699 ASSERT(instr->left()->representation().IsSmiOrTagged());
1713 ASSERT(instr->right()->representation().IsSmiOrTagged()); 1700 ASSERT(instr->right()->representation().IsSmiOrTagged());
1714 LOperand* context = UseFixed(instr->context(), esi); 1701 LOperand* context = UseFixed(instr->context(), esi);
1715 LOperand* left = UseFixed(instr->left(), edx); 1702 LOperand* left = UseFixed(instr->left(), edx);
1716 LOperand* right = UseFixed(instr->right(), eax); 1703 LOperand* right = UseFixed(instr->right(), eax);
1717 LCmpT* result = new(zone()) LCmpT(context, left, right); 1704 LCmpT* result = new(zone()) LCmpT(context, left, right);
1718 return MarkAsCall(DefineFixed(result, eax), instr); 1705 return MarkAsCall(DefineFixed(result, eax), instr);
1719 } 1706 }
1720 1707
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2786 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { 2773 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
2787 LOperand* object = UseRegister(instr->object()); 2774 LOperand* object = UseRegister(instr->object());
2788 LOperand* index = UseTempRegister(instr->index()); 2775 LOperand* index = UseTempRegister(instr->index());
2789 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); 2776 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
2790 } 2777 }
2791 2778
2792 2779
2793 } } // namespace v8::internal 2780 } } // namespace v8::internal
2794 2781
2795 #endif // V8_TARGET_ARCH_IA32 2782 #endif // V8_TARGET_ARCH_IA32
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