[v8-dev] ARM: Optimize Integer32ToSmi

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
diff --git a/src/arm/lithium-arm.cc b/src/arm/lithium-arm.cc
index 71c9dda221b4b5a61138efc9d8b32242062e658d..2f34d6915f75ab34a9b3e21ea8b12f360fa2f890 100644
--- a/src/arm/lithium-arm.cc
+++ b/src/arm/lithium-arm.cc
@@ -2031,8 +2031,8 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {
       HValue* val = instr->value();
       LOperand* value = UseRegister(val);
       LInstruction* result = val->CheckFlag(HInstruction::kUint32)
-          ? DefineSameAsFirst(new(zone()) LUint32ToSmi(value))
-          : DefineSameAsFirst(new(zone()) LInteger32ToSmi(value));
+          ? DefineAsRegister(new(zone()) LUint32ToSmi(value))
+          : DefineAsRegister(new(zone()) LInteger32ToSmi(value));
       if (val->HasRange() && val->range()->IsInSmiRange()) {
         return result;
       }