http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #15 from wbrana wbrana at gmail dot com 2012-10-04 14:25:29 UTC
---
I can reliably reproduce bug on Core 2.
Reverting 175752 reliably fixes bug.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|4.7.2 |4.7.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Priority|P3 |P2
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
Richard Guenther rguenth at gcc dot gnu.org changed:
What|Removed |Added
Target Milestone|--- |4.7.2
---
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #11 from wbrana wbrana at gmail dot com 2012-08-05 10:56:58 UTC
---
I found something strange. There is much smaller slow down in ASSIGNMENT
without 175752 with Gentoo Hardened patches
gcc version 4.7.2 20120804 (prerelease) (Gentoo
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #8 from wbrana wbrana at gmail dot com 2012-08-01 10:59:46 UTC ---
If I didn't make mistake it seems big slow down is caused by revision 175752
Date: Fri Jul 1 10:00:25 2011 +
2011-07-01 Kai Tietz kti...@redhat.com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
Uros Bizjak ubizjak at gmail dot com changed:
What|Removed |Added
CC||ktietz at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #10 from wbrana wbrana at gmail dot com 2012-08-01 22:35:29 UTC
---
Reversion of 175752 on latest 4.7 branch improved FP EMU by 41%, but made
ASSIGNMENT worse by 8%.
with 175752
NUMERIC SORT: 1562.9 : 40.08 :
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54077
--- Comment #7 from wbrana wbrana at gmail dot com 2012-07-31 22:45:25 UTC ---
4.7 20110626
FP EMULATION: 318.44 : 152.80 : 35.26
4.7 20110703
FP EMULATION: 228.08 : 109.44 : 25.25
