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Issue 12226112: Infrastructure classes for evaluating numeric relations between values. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed review comments. Created 7 years, 10 months 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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1705 LOperand* string = UseRegister(instr->string()); 1705 LOperand* string = UseRegister(instr->string());
1706 LOperand* index = UseRegister(instr->index()); 1706 LOperand* index = UseRegister(instr->index());
1707 ASSERT(ecx.is_byte_register()); 1707 ASSERT(ecx.is_byte_register());
1708 LOperand* value = UseFixed(instr->value(), ecx); 1708 LOperand* value = UseFixed(instr->value(), ecx);
1709 LSeqStringSetChar* result = 1709 LSeqStringSetChar* result =
1710 new(zone()) LSeqStringSetChar(instr->encoding(), string, index, value); 1710 new(zone()) LSeqStringSetChar(instr->encoding(), string, index, value);
1711 return DefineSameAsFirst(result); 1711 return DefineSameAsFirst(result);
1712 } 1712 }
1713 1713
1714 1714
1715 LInstruction* LChunkBuilder::DoNumericConstraint(HNumericConstraint* instr) {
1716 UNREACHABLE();
Jakob Kummerow 2013/02/13 13:20:56 In light of our most recent discussions, we are in
1717 return NULL;
1718 }
1719
1720
1715 LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) { 1721 LInstruction* LChunkBuilder::DoBoundsCheck(HBoundsCheck* instr) {
1716 return AssignEnvironment(new(zone()) LBoundsCheck( 1722 return AssignEnvironment(new(zone()) LBoundsCheck(
1717 UseRegisterOrConstantAtStart(instr->index()), 1723 UseRegisterOrConstantAtStart(instr->index()),
1718 UseAtStart(instr->length()))); 1724 UseAtStart(instr->length())));
1719 } 1725 }
1720 1726
1721 1727
1722 LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) { 1728 LInstruction* LChunkBuilder::DoAbnormalExit(HAbnormalExit* instr) {
1723 // The control instruction marking the end of a block that completed 1729 // The control instruction marking the end of a block that completed
1724 // abruptly (e.g., threw an exception). There is nothing specific to do. 1730 // abruptly (e.g., threw an exception). There is nothing specific to do.
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2546 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) { 2552 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
2547 LOperand* object = UseRegister(instr->object()); 2553 LOperand* object = UseRegister(instr->object());
2548 LOperand* index = UseTempRegister(instr->index()); 2554 LOperand* index = UseTempRegister(instr->index());
2549 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index)); 2555 return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
2550 } 2556 }
2551 2557
2552 2558
2553 } } // namespace v8::internal 2559 } } // namespace v8::internal
2554 2560
2555 #endif // V8_TARGET_ARCH_IA32 2561 #endif // V8_TARGET_ARCH_IA32
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