src/arm/lithium-arm.cc - Issue 94983002: ARM: Optimize NumberTagU

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

Issue 94983002: ARM: Optimize NumberTagU (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 7 years, 1 month ago

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Index: src/arm/lithium-arm.cc

diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc

index 2f34d6915f75ab34a9b3e21ea8b12f360fa2f890..d7fd7bf8777457382c22e60bf4fcea12fdf07912 100644

--- a/src/arm/lithium-arm.cc

+++ b/src/arm/lithium-arm.cc

@@ -2020,7 +2020,7 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {

LOperand* value = UseRegisterAtStart(val);

if (val->CheckFlag(HInstruction::kUint32)) {

LNumberTagU* result = new(zone()) LNumberTagU(value);

- return AssignEnvironment(AssignPointerMap(DefineSameAsFirst(result)));

+ return AssignEnvironment(AssignPointerMap(DefineAsRegister(result)));

} else if (val->HasRange() && val->range()->IsInSmiRange()) {

return DefineAsRegister(new(zone()) LSmiTag(value));

} else {

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