Testcase for r120017.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120099 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/MC/X86/x86-64.s b/test/MC/X86/x86-64.s
index f1a14e871f1382522a3d5f625c7d54b5b7c49328..c8b8b24411388ef3fcf06731882d2e0f6ff23545 100644 (file)
--- a/test/MC/X86/x86-64.s
+++ b/test/MC/X86/x86-64.s
@@ -909,3 +909,4 @@ movd        %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
 movq   %rax, %mm5 // CHECK: movd %rax, %mm5 # encoding: [0x48,0x0f,0x6e,0xe8]
 movq   %mm5, %rbx // CHECK: movd %mm5, %rbx # encoding: [0x48,0x0f,0x7e,0xeb]
 
+rex64 // CHECK: rex64 # encoding: [0x48]