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Unified Diff: src/ia32/lithium-ia32.cc

Issue 5804003: Revert change 5989, which causes failures in some benchmarks. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 10 years ago
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Index: src/ia32/lithium-ia32.cc
===================================================================
--- src/ia32/lithium-ia32.cc (revision 5989)
+++ src/ia32/lithium-ia32.cc (working copy)
@@ -1355,28 +1355,22 @@
LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
MathFunctionId op = instr->op();
- if (op == kMathLog) {
- LOperand* input = UseFixedDouble(instr->value(), xmm1);
- LInstruction* result = new LUnaryMathOperation(input);
- return MarkAsCall(DefineFixedDouble(result, xmm1), instr);
- } else {
- LOperand* input = UseRegisterAtStart(instr->value());
- LInstruction* result = new LUnaryMathOperation(input);
- switch (op) {
- case kMathAbs:
- return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
- case kMathFloor:
- return AssignEnvironment(DefineAsRegister(result));
- case kMathRound:
- return AssignEnvironment(DefineAsRegister(result));
- case kMathSqrt:
- return DefineSameAsFirst(result);
- case kMathPowHalf:
- return AssignEnvironment(DefineSameAsFirst(result));
- default:
- UNREACHABLE();
- return NULL;
- }
+ LOperand* input = UseRegisterAtStart(instr->value());
+ LInstruction* result = new LUnaryMathOperation(input);
+ switch (op) {
+ case kMathAbs:
+ return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));
+ case kMathFloor:
+ return AssignEnvironment(DefineAsRegister(result));
+ case kMathRound:
+ return AssignEnvironment(DefineAsRegister(result));
+ case kMathSqrt:
+ return DefineSameAsFirst(result);
+ case kMathPowHalf:
+ return AssignEnvironment(DefineSameAsFirst(result));
+ default:
+ UNREACHABLE();
+ return NULL;
}
}
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