[Turbofan] Support 128 bit moves/swaps for x64.

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 b2c1c9d74b89c953cac7b64a1bd021d14eb8ec26..15b219081b0afd9b24deed0703afd10b9e99939c 100644
--- a/src/x64/assembler-x64.cc
+++ b/src/x64/assembler-x64.cc
@@ -3898,7 +3898,6 @@ void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1,
   emit_sse_operand(dst, src2);
 }
 
-
 void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1,
                     const Operand& src2) {
   DCHECK(IsEnabled(AVX));
@@ -3908,6 +3907,14 @@ void Assembler::vps(byte op, XMMRegister dst, XMMRegister src1,
   emit_sse_operand(dst, src2);
 }
 
+void Assembler::vps(byte op, const Operand& dst, XMMRegister src1,
+                    XMMRegister src2) {
+  DCHECK(IsEnabled(AVX));
+  EnsureSpace ensure_space(this);
+  emit_vex_prefix(src2, src1, dst, kL128, kNone, k0F, kWIG);
+  emit(op);
+  emit_sse_operand(src2, dst);
+}
 
 void Assembler::vpd(byte op, XMMRegister dst, XMMRegister src1,
                     XMMRegister src2) {