Index: src/compiler/x64/code-generator-x64.cc |
diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc |
index de8956e01d248a1ce47b76b297fae2aee4e5080f..cb302e8aed8a07a9bd3ae8e96243ebebece1c8c2 100644 |
--- a/src/compiler/x64/code-generator-x64.cc |
+++ b/src/compiler/x64/code-generator-x64.cc |
@@ -417,16 +417,15 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) { |
__ cvttsd2si(i.OutputRegister(), i.InputOperand(0)); |
} |
break; |
- case kSSEFloat64ToUint32: |
+ case kSSEFloat64ToUint32: { |
if (instr->InputAt(0)->IsDoubleRegister()) { |
__ cvttsd2siq(i.OutputRegister(), i.InputDoubleRegister(0)); |
} else { |
__ cvttsd2siq(i.OutputRegister(), i.InputOperand(0)); |
} |
- __ andl(i.OutputRegister(), i.OutputRegister()); // clear upper bits. |
- // TODO(turbofan): generated code should not look at the upper 32 bits |
- // of the result, but those bits could escape to the outside world. |
+ __ AssertZeroExtended(i.OutputRegister()); |
break; |
+ } |
case kSSEInt32ToFloat64: |
if (instr->InputAt(0)->IsRegister()) { |
__ cvtlsi2sd(i.OutputDoubleRegister(), i.InputRegister(0)); |