Add support for disassembling VMVN (immediate) instructions. PR7747.

llvm-svn: 109946

llvm/lib/Target/ARM/Disassembler/ARMDisassemblerCore.cpp

@@ -2431,10 +2431,14 @@ static bool DisassembleN1RegModImmFrm(MCInst &MI, unsigned Opcode,
     break;
   case ARM::VMOVv4i16:
   case ARM::VMOVv8i16:
+  case ARM::VMVNv4i16:
+  case ARM::VMVNv8i16:
     esize = ESize16;
     break;
   case ARM::VMOVv2i32:
   case ARM::VMOVv4i32:
+  case ARM::VMVNv2i32:
+  case ARM::VMVNv4i32:
     esize = ESize32;
     break;
   case ARM::VMOVv1i64:

llvm/test/MC/Disassembler/neon-tests.txt

@@ -25,6 +25,9 @@
 # CHECK:	vmov.i64	q6, #0xFF00FF00FF
 0x75 0xce 0x81 0xf2
 
+# CHECK:	vmvn.i32	d0, #0x0
+0x30 0x00 0x80 0xf2
+
 # CHECK:	vmul.f32	d0, d0, d6
 0x16 0x0d 0x00 0xf3