[Bug middle-end/54400] recognize haddpd

2012-10-08 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54400 --- Comment #4 from Marc Glisse glisse at gcc dot gnu.org 2012-10-08 20:46:04 UTC --- Author: glisse Date: Mon Oct 8 20:45:56 2012 New Revision: 192223 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=192223 Log: 2012-10-08 Marc

[Bug middle-end/54400] recognize haddpd

2012-09-03 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54400 Richard Guenther rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug middle-end/54400] recognize haddpd

2012-09-03 Thread glisse at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54400 --- Comment #3 from Marc Glisse glisse at gcc dot gnu.org 2012-09-03 10:21:48 UTC --- (In reply to comment #2) The basic-block vectorizer does not handle reductions and it would be another natural place to perform this optimization. I thought