[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #12 from Jakub Jelinek 2013-02-12 10:37:42 UTC --- Author: jakub Date: Tue Feb 12 10:37:38 2013 New Revision: 195972 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195972 Log: PR rtl-optimization/56151 * op

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #11 from Jakub Jelinek 2013-02-11 15:42:12 UTC --- Created attachment 29419 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29419 gcc48-pr56151.patch Untested patch, done in add_equal_note, so that the code doesn't have

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #10 from Jakub Jelinek 2013-02-08 15:29:12 UTC --- (In reply to comment #4) > Patch to help explain the problem: > > Index: optabs.c > === > --- optabs.c(r

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Richard Biener changed: What|Removed |Added Priority|P3 |P1

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #9 from Jakub Jelinek 2013-02-04 18:20:09 UTC --- (In reply to comment #8) > (In reply to comment #7) > > Created attachment 29350 [details] > > gcc48-pr56151.patch > > > > Untested patch for the peephole mentioned in previ

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #8 from Steven Bosscher 2013-02-04 17:59:22 UTC --- (In reply to comment #7) > Created attachment 29350 [details] > gcc48-pr56151.patch > > Untested patch for the peephole mentioned in previous comment. I don't think a ne

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 --- Comment #7 from Jakub Jelinek 2013-02-04 17:13:52 UTC --- Created attachment 29350 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29350 gcc48-pr56151.patch Untested patch for the peephole mentioned in previous comment.

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Eric Botcazou changed: What|Removed |Added CC||ebotcazou at gcc dot

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Steven Bosscher changed: What|Removed |Added CC||steven at gcc dot gnu.org ---

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Steven Bosscher changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/56151] [4.8 Regression] Performance degradation after r194054 on x86 Atom.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56151 Richard Biener changed: What|Removed |Added Keywords||missed-optimization