Revert r133452: "Emit movq for 64-bit register to XMM register moves..."

This is breaking compiler-rt and llvm-gcc builds on MacOSX when not using
the integrated assembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133524 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/vec_set-8.ll b/test/CodeGen/X86/vec_set-8.ll
index aaf66ad..66056d0 100644
--- a/test/CodeGen/X86/vec_set-8.ll
+++ b/test/CodeGen/X86/vec_set-8.ll
@@ -1,7 +1,7 @@
 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s
 ; RUN: llc < %s -mtriple=x86_64-win32 | FileCheck %s
 ; CHECK-NOT: movsd
-; CHECK: movq {{%rdi|%rcx}}, %xmm0
+; CHECK: movd {{%rdi|%rcx}}, %xmm0
 ; CHECK-NOT: movsd
 
 define <2 x i64> @test(i64 %i) nounwind  {