[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2017-02-28 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 amker at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2017-02-27 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 --- Comment #7 from amker at gcc dot gnu.org --- Author: amker Date: Mon Feb 27 10:20:36 2017 New Revision: 245754 URL: https://gcc.gnu.org/viewcvs?rev=245754=gcc=rev Log: PR tree-optimization/77536 * tree-ssa-loop-manip.c

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2017-02-17 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 amker at gcc dot gnu.org changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |amker at gcc dot

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2017-02-16 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 --- Comment #5 from amker at gcc dot gnu.org --- (In reply to amker from comment #4) > Looks like generic loop unrolling code used by predcom spends quite a lot > maintaining profiling counter, I will check if that's correct and we shall > do the

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2017-02-16 Thread amker at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 amker at gcc dot gnu.org changed: What|Removed |Added CC||amker at gcc dot gnu.org ---

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2016-11-18 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 --- Comment #3 from Pat Haugen --- pr78116 contains a couple testcases that showed degradation on x86 caused by spill inside a vectorized loop due to messed up BB frequencies.

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2016-09-14 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/77536] Vectorizer not maintaining relationship of relative block frequencies in absence of real profile data

2016-09-13 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77536 --- Comment #1 from Pat Haugen --- Author: pthaugen Date: Tue Sep 13 15:58:52 2016 New Revision: 240113 URL: https://gcc.gnu.org/viewcvs?rev=240113=gcc=rev Log: PR tree-optimization/77536 PR rtl-optimization/68212 *