This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/69299] [6 Regression] -mavx performance degradation with r232088
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 16 Jan 2016 15:09:46 +0000
- Subject: [Bug target/69299] [6 Regression] -mavx performance degradation with r232088
- Auto-submitted: auto-generated
- References: <bug-69299-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69299
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #37364|0 |1
is obsolete| |
--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 37372
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37372&action=edit
An updated patch
This patch also changes LRA to skip bad MEM. Although there are no
regressions on x86-64, there could be latent issues. Someone should
exam IRA/LRA to see if it is OK.