------- Comment #29 from hjl at lucon dot org 2007-06-05 16:45 ------- Here are SPEC CPU 2006 -O2 -ffast-math differences between revision 125281 without the second reassoc and revision 125281 on Intel64:
(r125281 w/o reassoc2 - r125281)/r125281 400.perlbench 0.492611% 401.bzip2 0.613497% 403.gcc 0% 429.mcf 0% 445.gobmk 0% 456.hmmer -0.787402% 458.sjeng 1.14286% 462.libquantum 0% 464.h264ref 0% 471.omnetpp -0.869565% 473.astar 0% 483.xalancbmk 0.105374% Est. SPECint(R)_base2006 0% 410.bwaves 1.8018% 416.gamess -1.14286% 433.milc -0.840336% 434.zeusmp 0.657895% 435.gromacs -1.73348% 436.cactusADM -0.952381% 437.leslie3d -0.21692% 444.namd 0% 447.dealII -2.33463% 450.soplex 0% 453.povray 0% 454.calculix -26.3852% 459.GemsFDTD 0% 465.tonto 0.704225% 470.lbm 0% 481.wrf 8.9613% 482.sphinx3 0% Est. SPECfp(R)_base2006 -1.51515% -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32183