Factored out the disassembly printing of CPS option, MSR mask, and Negative Zero
operands into their own PrintMethod, in order not to pollute the printOperand()
impl with disassembly only Imm modifiers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98172 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 786dd65..5491021 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -201,7 +201,7 @@
 //
 // The opt{4-0} and opt{5} sub-fields are to accommodate 32-bit Thumb and ARM
 // CPS which has more options.
-def tCPS : T1I<(outs), (ins i32imm:$opt), NoItinerary, "cps${opt:cps}",
+def tCPS : T1I<(outs), (ins cps_opt:$opt), NoItinerary, "cps$opt",
               [/* For disassembly only; pattern left blank */]>,
            T1Misc<0b0110011>;