------- Comment #30 from hjl at lucon dot org 2007-06-07 03:16 -------
(In reply to comment #26)
> Created an attachment (id=13656)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13656&action=view) [edit]
> patch preventing reassociation across loop boundaries
>
Here are SPEC CPU 2K -O2 -ffast-math differences between revision
125281 plus this patch and revision 125027 on Intel64 C2D:
(r125281 plus this patch - r125027)/r125027
400.perlbench 0.492611%
401.bzip2 0.613497%
403.gcc 0%
429.mcf -0.666667%
445.gobmk 0%
456.hmmer 0%
458.sjeng 0%
462.libquantum -1.0582%
464.h264ref -0.393701%
471.omnetpp 0%
473.astar 0.869565%
483.xalancbmk 0.528541%
Est. SPECint(R)_base2006 0%
410.bwaves 2.7027%
416.gamess -2.27273%
433.milc 0%
434.zeusmp 0%
435.gromacs 0.433369%
436.cactusADM -1.88679%
437.leslie3d 0%
444.namd 0%
447.dealII -2.33463%
450.soplex 0%
453.povray -0.492611%
454.calculix 1.98151%
459.GemsFDTD 0.961538%
465.tonto 1.40845%
470.lbm 0.70922%
481.wrf 9.07238%
482.sphinx3 0%
Est. SPECfp(R)_base2006 0.757576%
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32183
