https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93199
--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 8 Jan 2020, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93199 > > --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > As for the patch, I wonder if internal resx doesn't occur also without the > clobbers to move or in places where sink_clobbers would give up. So, perhaps > add a dry_run bool to sink_clobbers and in the first loop, if we haven't yet > determined we need the second one, run sink_clobbers with dry_run=true which > would perform the first half of the function and only if it found clobbers in > a > bb with EH preds and single successor would tell the caller it should set the > bool to trigger the second loop. Hmm, not sure if it's worth that, but yeah, could do that easily I guess. Consider it done.
