https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64669
--- Comment #10 from Jiong Wang <jiwang at gcc dot gnu.org> --- (In reply to Richard Henderson from comment #8) > Indeed, if I force used_in_cond_stmt_p to return false, which forces > the use of the emit_cstore path, which means we return a proper > boolean value instead of a CCmode value, the test case doesn't ICE. > > Moreover, combine does in fact remove the redundant compare and we > are left with > > cmp w0, 39 > ccmp w0, 10, 4, ne > bne .L19 > > I think I was wrong to approve the ccmp patch with the used_in_cond_stmt_p > logic in the first place, and that it should all be removed. Richard, will you send out the patch? I could help testing
