diff options
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb.td | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 0748cbf0a9..4a7e6a1c6a 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -1426,3 +1426,11 @@ let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in { // In Thumb1, "nop" is encoded as a "mov r8, r8". Technically, the bf00 // encoding is available on ARMv6K, but we don't differentiate that finely. def : InstAlias<"nop", (tMOVr R8, R8, 14, 0)>,Requires<[IsThumb, IsThumb1Only]>; + + +// For round-trip assembly/disassembly, we have to handle a CPS instruction +// without any iflags. That's not, strictly speaking, valid syntax, but it's +// a useful extention and assembles to defined behaviour (the insn does +// nothing). +def : tInstAlias<"cps$imod", (tCPS imod_op:$imod, 0)>; +def : tInstAlias<"cps$imod", (tCPS imod_op:$imod, 0)>; |