[Bug middle-end/54896] optimization slowness on large basic blocks

2021-12-25 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 --- Comment #12 from Andrew Pinski --- Note I think -O3 (and now -O2) is much worse recently due to vector SLP taking a long time too.

[Bug middle-end/54896] optimization slowness on large basic blocks

2016-01-14 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 Richard Biener changed: What|Removed |Added Known to work||6.0 Known to fail|

[Bug middle-end/54896] optimization slowness on large basic blocks

2016-01-13 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment #1

[Bug middle-end/54896] optimization slowness on large basic blocks

2013-03-13 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 --- Comment #9 from Richard Biener 2013-03-13 09:53:06 UTC --- (In reply to comment #8) > With r196576 on x86_64 (gcc17): > > at -O1: > alias stmt walking : 30.99 (36%) usr > reload CSE regs : 18.94 (22%) usr > CSE

[Bug middle-end/54896] optimization slowness on large basic blocks

2013-03-12 Thread steven at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 --- Comment #8 from Steven Bosscher 2013-03-12 18:23:29 UTC --- With r196576 on x86_64 (gcc17): at -O1: alias stmt walking : 30.99 (36%) usr reload CSE regs : 18.94 (22%) usr CSE : 14.94 (17%) usr

[Bug middle-end/54896] optimization slowness on large basic blocks

2013-03-06 Thread rguenther at suse dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 --- Comment #7 from rguenther at suse dot de 2013-03-06 11:11:28 UTC --- On Wed, 6 Mar 2013, steven at gcc dot gnu.org wrote: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 > > Steven Bosscher changed: > >What

[Bug middle-end/54896] optimization slowness on large basic blocks

2013-03-06 Thread steven at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54896 Steven Bosscher changed: What|Removed |Added Summary|Some optimization slowness |optimization slowness on