[Bug c/50032] Bad optimization with sin/cos

2011-08-14 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50032 --- Comment #5 from Richard Guenther 2011-08-14 09:58:01 UTC --- (In reply to comment #2) > > if your math library implementation has a slower cosf than cos it's > > definitely broken ;) > > So it is at least for fedora (see > http://sources.red

[Bug c/50032] Bad optimization with sin/cos

2011-08-12 Thread dominiq at lps dot ens.fr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50032 --- Comment #4 from Dominique d'Humieres 2011-08-12 18:28:56 UTC --- > Some bug reports for this performance issue date from 2008, so it seems we > won't see that fixed any time soon. IIRC the excuses were: (1) nobody use float (fortran does not

[Bug c/50032] Bad optimization with sin/cos

2011-08-12 Thread fbafelipe at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50032 --- Comment #3 from Felipe 2011-08-12 17:07:47 UTC --- (In reply to comment #2) > > if your math library implementation has a slower cosf than cos it's > > definitely broken ;) > > So it is at least for fedora (see > http://sources.redhat.com/bu

[Bug c/50032] Bad optimization with sin/cos

2011-08-12 Thread dominiq at lps dot ens.fr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50032 --- Comment #2 from Dominique d'Humieres 2011-08-12 15:10:51 UTC --- > if your math library implementation has a slower cosf than cos it's > definitely broken ;) So it is at least for fedora (see http://sources.redhat.com/bugzilla/show_bug.cgi?i

[Bug c/50032] Bad optimization with sin/cos

2011-08-10 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50032 Richard Guenther changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|