Teach x86 asm parser to handle 'opaque ptr' in Intel syntax.

llvm-svn: 199477

llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp

@@ -1247,6 +1247,7 @@ static unsigned getIntelMemOperandSize(StringRef OpStr) {
     .Cases("XMMWORD", "xmmword", 128)
     .Cases("YMMWORD", "ymmword", 256)
     .Cases("ZMMWORD", "zmmword", 512)
+    .Cases("OPAQUE", "opaque", -1U) // needs to be non-zero, but doesn't matter
     .Default(0);
   return Size;
 }

llvm/test/MC/X86/intel-syntax.s

@@ -588,5 +588,5 @@ fdivr ST(1)
 
 // CHECK: fxsaveq (%rax)
 // CHECK: fxrstorq (%rax)
-fxsave64 [rax]
-fxrstor64 [rax]
+fxsave64 opaque ptr [rax]
+fxrstor64 opaque ptr [rax]