[Bug middle-end/46837] induct compiled with -ffast-math -fschedule-insns -fsched-pressure -O3 ~30% slower

howarth at nitro dot med.uc.edu gcc-bugzilla@gcc.gnu.org
Wed Dec 12 16:59:00 GMT 2012


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46837

Jack Howarth <howarth at nitro dot med.uc.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #5 from Jack Howarth <howarth at nitro dot med.uc.edu> 2012-12-12 16:58:49 UTC ---
This issue doesn't appear to be present for the induct.f90 benchmark in current
gcc trunk on x86_64-apple-darwin12.

-ffast-math -fschedule-insns -fsched-pressure -O3 -m64 = 11.92867 sec
-ffast-math -O3 -m64 =  12.26822 sec



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