This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/34265] Missed optimizations
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Dec 2007 16:30:34 -0000
- Subject: [Bug tree-optimization/34265] Missed optimizations
- References: <bug-34265-12313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #30 from ubizjak at gmail dot com 2007-12-03 16:30 -------
(In reply to comment #26)
> > IMO, SLP should vectorize the sequence.
> What is the meaning of the above sentence?
Uh, sorry for being terse. If there are no loops, then "straight-line
parallelization" [SLP] should vectorize your manually unrolled sequence in
comment #24. You can look into testsuite/gcc.dg/vect/slp-*.c for some c code
examples.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34265