Fixed a bug in DisassembleN1RegModImmFrm() where a break stmt was missing for a
case.  Also, the 0xFF hex literal involved in the shift for ESize64 should be
suffixed "ul" to preserve the shift result.

Implemented printHex*ImmOperand() by copying from ARMAsmPrinter.cpp and added a
test case for DisassembleN1RegModImmFrm()/printHex64ImmOperand().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101557 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
index bc61a15..ac6331f 100644
--- a/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMInstPrinter.cpp
@@ -18,6 +18,7 @@
 #include "llvm/MC/MCInst.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCExpr.h"
+#include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
@@ -777,3 +778,22 @@
   O << '#' << MI->getOperand(OpNum).getImm();
 }
 
+void ARMInstPrinter::printHex8ImmOperand(const MCInst *MI, unsigned OpNum,
+                                         raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xff);
+}
+
+void ARMInstPrinter::printHex16ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xffff);
+}
+
+void ARMInstPrinter::printHex32ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm() & 0xffffffff);
+}
+
+void ARMInstPrinter::printHex64ImmOperand(const MCInst *MI, unsigned OpNum,
+                                          raw_ostream &O) {
+  O << "#0x" << utohexstr(MI->getOperand(OpNum).getImm());
+}