[Bug tree-optimization/29170] autovectorizer converts signed types to unsigned, then can't match patterns

[pinskia at gcc dot gnu dot org]

------- Comment #2 from pinskia at gcc dot gnu dot org  2006-09-21 17:09 -------
This is a known issue as C standard requires the short to be promoted to an
int.

This has nothing to do with the autovect except it cannot handle this case yet.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29170