[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-10 Thread lucier at math dot purdue.edu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #118 from lucier at math dot purdue.edu 2011-03-10 18:50:12 UTC --- On Fri, 2011-03-04 at 11:59 +, rguenth at gcc dot gnu.org wrote: Hm, there doesn't seem to be a runtime testcase attached to this bug, so I can't produce

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-10 Thread lucier at math dot purdue.edu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #119 from lucier at math dot purdue.edu 2011-03-10 19:55:54 UTC --- It's nearly impossible to examine the assembly code responsible for the FFT in the package I set up in the previous comment. If you want a runtime benchmark for this

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-10 Thread lucier at math dot purdue.edu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #120 from lucier at math dot purdue.edu 2011-03-10 22:00:22 UTC --- At http://www.math.purdue.edu/~lucier/bugzilla/15/ I've put a tarfile and instructions that allow one to build Gambit-C in a way that splits out the FFT code into

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-04 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #115 from Richard Guenther rguenth at gcc dot gnu.org 2011-03-04 11:58:13 UTC --- Hm, there doesn't seem to be a runtime testcase attached to this bug, so I can't produce numbers for the upcoming 4.6 release. Brad, can you do so if

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-04 Thread lucier at math dot purdue.edu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #116 from lucier at math dot purdue.edu 2011-03-04 16:09:13 UTC --- On Fri, 2011-03-04 at 11:59 +, rguenth at gcc dot gnu.org wrote: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #115 from Richard Guenther

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2011-03-04 Thread rguenther at suse dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #117 from rguenther at suse dot de rguenther at suse dot de 2011-03-04 16:14:55 UTC --- On Fri, 4 Mar 2011, lucier at math dot purdue.edu wrote: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33928 --- Comment #116 from lucier at

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2010-05-22 Thread rguenth at gcc dot gnu dot org
--- Comment #114 from rguenth at gcc dot gnu dot org 2010-05-22 18:11 --- GCC 4.3.5 is being released, adjusting target milestone. -- rguenth at gcc dot gnu dot org changed: What|Removed |Added

[Bug rtl-optimization/33928] [4.3/4.4/4.5/4.6 Regression] 30% performance slowdown in floating-point code caused by r118475

2010-04-29 Thread bergner at gcc dot gnu dot org
--- Comment #113 from bergner at gcc dot gnu dot org 2010-04-29 14:34 --- Subject: Bug 33928 Author: bergner Date: Thu Apr 29 14:34:35 2010 New Revision: 158902 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=158902 Log: Backport from mainline. 2009-08-30 Alan