"revsh", "\t$Rd, $Rm",
[(set tGPR:$Rd,
(sext_inreg
- (or (srl (and tGPR:$Rm, 0xFF00), (i32 8)),
+ (or (srl tGPR:$Rm, (i32 8)),
(shl tGPR:$Rm, (i32 8))), i16))]>,
Requires<[IsThumb, IsThumb1Only, HasV6]>;
+def : T1Pat<(sext_inreg (or (srl (and tGPR:$Rm, 0xFF00), (i32 8)),
+ (shl tGPR:$Rm, (i32 8))), i16),
+ (tREVSH tGPR:$Rm)>,
+ Requires<[IsThumb, IsThumb1Only, HasV6]>;
+
+def : T1Pat<(sra (bswap tGPR:$Rm), (i32 16)), (tREVSH tGPR:$Rm)>,
+ Requires<[IsThumb, IsThumb1Only, HasV6]>;
+
// Rotate right register
def tROR : // A8.6.139
T1sItDPEncode<0b0111, (outs tGPR:$Rdn), (ins tGPR:$Rn, tGPR:$Rm),
// from some other function to get here, and we're using the stack frame for the
// containing function to save/restore registers, we can't keep anything live in
// regs across the eh_sjlj_setjmp(), else it will almost certainly have been
-// tromped upon when we get here from a longjmp(). We force everthing out of
+// tromped upon when we get here from a longjmp(). We force everything out of
// registers except for our own input by listing the relevant registers in
// Defs. By doing so, we also cause the prologue/epilogue code to actively
// preserve all of the callee-saved resgisters, which is exactly what we want.