[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-08-01 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords|

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-30 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-30 13:56:46 UTC --- __builtin_assume_aligned is now supported on the trunk. Leaving this open even there so that the default cost model is adjusted.

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-21 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #5 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21 12:43:04 UTC --- Created attachment 24571 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=24571 gcc47-builtins.patch Prerequisite patch for __builtin_assume_aligned patch.

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-21 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21 12:50:11 UTC --- Created attachment 24572 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=24572 gcc47-assume-aligned.patch Current version of the __builtin_assume_aligned

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-21 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-21 12:50:47 UTC --- Of course something like #c4 is highly desirable independently on this.

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-19 Thread irar at il dot ibm.com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 Ira Rosen irar at il dot ibm.com changed: What|Removed |Added CC||irar at il dot ibm.com

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-17 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #3 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-17 08:15:38 UTC --- ICC apparently has __assume_aligned (ptr, align) for this, and also #pragma vector {aligned,unaligned,always,nontemporal}. For alignment, I'd say having both

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-16 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added CC||hjl at gcc

[Bug tree-optimization/49442] [4.5/4.6/4.7 Regression] Misaligned store support pessimization

2011-06-16 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49442 --- Comment #2 from Jakub Jelinek jakub at gcc dot gnu.org 2011-06-16 16:33:16 UTC --- I was testing on SandyBridge, but it was reported to us for Core2. The loop used to be vectorized in 4.4 and is now too, in both cases it does a huge hard to