[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 --- Comment #5 from Richard Biener --- Author: rguenth Date: Mon Jan 18 14:25:56 2016 New Revision: 232519 URL: https://gcc.gnu.org/viewcvs?rev=232519&root=gcc&view=rev Log: 2016-01-18 Richard Biener PR tree-optimization/69297

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-18 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 --- Comment #4 from Yuri Rumyantsev --- Yes, this loop was added for avoiding dce phase. Thanks. Yuri. 2016-01-18 13:33 GMT+03:00 rguenth at gcc dot gnu.org : > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 > > --- Comment #3 from Richard

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 --- Comment #3 from Richard Biener --- With a fix: t.c:76:10: note: Cost model analysis: Vector inside of basic block cost: 376 Vector prologue cost: 0 Vector epilogue cost: 0 Scalar cost of basic block: 96 t.c:76:10: note: not vectorize

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-18 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-17 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |6.0

[Bug tree-optimization/69297] [6 Regression] Performance regression after r230020

2016-01-15 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69297 --- Comment #1 from Yuri Rumyantsev --- Created attachment 37356 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37356&action=edit test-case to reproduce TO reproduce compile with -Ofast -march=core-avx2 options.