[ia32] Better code generation for materialization of float/double constants.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index b11145db0f3f22c0f56822fd355f09a812c6027b..597dd213098c10c68f9c218467868e58e48e04bc 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -842,7 +842,9 @@ class MacroAssembler: public Assembler {
   void Move(const Operand& dst, const Immediate& x);
 
   // Move an immediate into an XMM register.
-  void Move(XMMRegister dst, double val);
+  void Move(XMMRegister dst, uint32_t src);
+  void Move(XMMRegister dst, uint64_t src);
+  void Move(XMMRegister dst, double src) { Move(dst, bit_cast<uint64_t>(src)); }
 
   // Push a handle value.
   void Push(Handle<Object> handle) { push(Immediate(handle)); }