[x64] Use vcvtlsi2sd when AVX is enabled

src/compiler/x64/code-generator-x64.cc

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 4bb4d9465939908977f5b0fe036fa2ed643110b6..a56fd92fff08ec87715935989b17939995a1dbae 100644
--- a/src/compiler/x64/code-generator-x64.cc
+++ b/src/compiler/x64/code-generator-x64.cc
@@ -915,9 +915,9 @@ void CodeGenerator::AssembleArchInstruction(Instruction* instr) {
     }
     case kSSEInt32ToFloat64:
       if (instr->InputAt(0)->IsRegister()) {
-        __ cvtlsi2sd(i.OutputDoubleRegister(), i.InputRegister(0));
+        __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputRegister(0));
       } else {
-        __ cvtlsi2sd(i.OutputDoubleRegister(), i.InputOperand(0));
+        __ Cvtlsi2sd(i.OutputDoubleRegister(), i.InputOperand(0));
       }
       break;
     case kSSEUint32ToFloat64: