[Bug rtl-optimization/67731] Combine of OR'ed bitfields should use bit-test

2015-09-28 Thread rguenther at suse dot de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67731 --- Comment #3 from rguenther at suse dot de --- On Mon, 28 Sep 2015, olegendo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67731 > > --- Comment #2 from Oleg Endo --- > (In reply to Richard Biener from comment #1)

[Bug rtl-optimization/67731] Combine of OR'ed bitfields should use bit-test

2015-09-28 Thread olegendo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67731 --- Comment #2 from Oleg Endo --- (In reply to Richard Biener from comment #1) > Ok, so usually this gets optimized by fold-const.c > optimize_bit_field_compare but > appearantly that doesn't work here. Not that I like this function very > much.

[Bug rtl-optimization/67731] Combine of OR'ed bitfields should use bit-test

2015-09-28 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67731 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|