Handle fpcr register.

Part of PR10299 and rdar://9740322

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134653 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86MCAsmInfo.cpp

@@ -45,6 +45,7 @@ static const char *const x86_asm_table[] = {
   "{flags}", "",
   "{dirflag}", "",
   "{fpsr}", "",
+  "{fpcr}", "",
   "{cc}", "cc",
   0,0};