[x86] Allow (v)divsd->(v)mulsd to execute in parallel.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 8da76fa673ed465cf6228b08ad8ffe1deb68f594..3b72d690fe514c17d17d939b3ad3b13d24748b86 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -2076,10 +2076,10 @@ void LCodeGen::DoArithmeticD(LArithmeticD* instr) {
       } else {
         DCHECK(result.is(left));
         __ divsd(left, right);
-        // Don't delete this mov. It may improve performance on some CPUs,
-        // when there is a mulsd depending on the result
-        __ movaps(left, left);
       }
+      // Don't delete this mov. It may improve performance on some CPUs,
+      // when there is a (v)mulsd depending on the result
+      __ movaps(result, result);
       break;
     case Token::MOD: {
       XMMRegister xmm_scratch = double_scratch0();