------- Comment #12 from pinskia at gcc dot gnu dot org 2005-12-25 01:02
-------
Confirmed, it really only effects i386/i486 code (maybe i586 also but I did not
try that).
The only thing I can think is to change MOVE_COST for those subtargets or just
have PR 14295 fixed.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
GCC target triplet| |i386-*-*
Keywords| |missed-optimization, ssemmx
Known to fail| |4.0.0 4.1.0 4.2.0
Known to work| |3.4.0
Last reconfirmed|0000-00-00 00:00:00 |2005-12-25 01:02:34
date| |
Summary|REGREGRESSION: SSE2 |[4.0/4.1/4.2 Regression]:
|vectorized code is many |SSE2 vectorized code is many
|times slower on 4.x.x than |times slower on 4.x.x than
|on 3.4.4 |on 3.4.4
Target Milestone|--- |4.0.3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25500
