On Mon, Dec 8, 2014 at 9:18 AM, Segher Boessenkool <seg...@kernel.crashing.org> wrote: > These splitters are only used when for some reason we generated a bdnz > loop but we cannot actually use one (CTR is already used for something > else, for example). This shouldn't happen often, so making the split > sequence one insn longer isn't a big deal. > > > 2014-12-08 Segher Boessenkool <seg...@kernel.crashing.org> > > gcc/ > PR target/64180 > * config/rs6000/rs6000.md (*ctr<mode>_internal1, *ctr<mode>_internal2, > *ctr<mode>_internal5, *ctr<mode>_internal6): Change "r" alternatives > to "b". Increase length. > (splitters for these): Split to cmp+addi instead of addic.
Okay. Thanks, David