------- Comment #6 from victork at gcc dot gnu dot org 2008-08-05 08:16 ------- > Hm, following testcase doesn't vectorize due to vect cost model > (-O2 -msse3 -ftree-vectorize -ffast-math) on i686 target:
The problem is that we count some costs twice - as being vectorized by SLP and non-SLP. I'm going to submit a patch to fix this. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35252