[Bug rtl-optimization/29874] gcc-4.1.1 generates consistently worse performming SSE code than gcc-3.4.6

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29874 --- Comment #3 from Richard Guenther rguenth at gcc dot gnu.org 2011-03-08 10:03:22 UTC --- I raised the number of FFTs to 1000 and get -O2 -O3 -O3 -ffast-math -O3 -ffast-math -funroll-loops 3.3-H 7.32 7.47 7.48

[Bug rtl-optimization/29874] gcc-4.1.1 generates consistently worse performming SSE code than gcc-3.4.6

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29874 --- Comment #2 from stevenj at alum dot mit.edu 2011-03-07 23:13:41 UTC --- Created attachment 23579 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=23579 benchmark extracted from FFTW3 - size 64 FFT with SSE2 I extracted a little benchmark of

[Bug rtl-optimization/29874] gcc-4.1.1 generates consistently worse performming SSE code than gcc-3.4.6

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29874 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED