[turbofan] IA: Float64ToUint32 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..4f8d5b1be13e443e77e2fbba613b550eaa314acb 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -2629,6 +2629,16 @@ void Assembler::cvttsd2siq(Register dst, XMMRegister src) {
 }
 
 
+void Assembler::cvttsd2siq(Register dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  emit(0xF2);
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0x2C);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::cvtlsi2sd(XMMRegister dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   emit(0xF2);
@@ -2900,6 +2910,12 @@ void Assembler::emit_sse_operand(XMMRegister reg, const Operand& adr) {
 }
 
 
+void Assembler::emit_sse_operand(Register reg, const Operand& adr) {
+  Register ireg = {reg.code()};
+  emit_operand(ireg, adr);
+}
+
+
 void Assembler::emit_sse_operand(XMMRegister dst, XMMRegister src) {
   emit(0xC0 | (dst.low_bits() << 3) | src.low_bits());
 }