"Iyer, Balaji V" <balaji.v.i...@intel.com> writes: > > Yes, I really like this idea and that is kind of what I want. But, how do I > turn on vectorization on a function by function basis? I tried to set > flag_tree_vectorize=1 but that doesn't seem to do the trick.
AFAIK vectorization needs a range of passes to work, so it probably needs full -O3 or something similar like you did. Apparently the optimize attribute has some known problems, but I don't know if it would affect this case. The explicit command line flag would just avoid the problem Richard pointed out that you overwrite an explicit user choice. -Andi -- a...@linux.intel.com -- Speaking for myself only
