[turbofan] IA: Uint32ToFloat64 supports mem operand.

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
diff --git a/src/x64/assembler-x64.cc b/src/x64/assembler-x64.cc
index 1dba9b031e59fad60c7542996d71b737cd3ccdbd..999563cece7429485ed54ae306eff53c4edfd872 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -2659,6 +2659,16 @@ void Assembler::cvtlsi2ss(XMMRegister dst, Register src) {
 }
 
 
+void Assembler::cvtqsi2sd(XMMRegister dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  emit(0xF2);
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0x2A);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::cvtqsi2sd(XMMRegister dst, Register src) {
   EnsureSpace ensure_space(this);
   emit(0xF2);