https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871
--- Comment #4 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Fri, Feb 21, 2020 at 06:53:18PM +0000, kargl at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93871 > > --- Comment #3 from kargl at gcc dot gnu.org --- > (In reply to kargl from comment #2) > > Can you post the code you used for testing? Your patch to simplify.c > > affects compile-time constant folding. simplify.c has nothing to do > > with a run-time evaluation. > > > > Nevermind, I didn't realize that this required -fdec. It would help > if you added your test program, and command line used for testing! > Adding -fdec and -fdump-tree-original, see c = __builtin_ccosf (b) / __builtin_csinf (b); which comes from iresolve.c.
