[Bug middle-end/36099] [4.4 Regression] early loop unrolling pass prevents vectorization, SLP doesn't do its job
irar at il dot ibm dot com
gcc-bugzilla@gcc.gnu.org
Sun May 4 05:54:00 GMT 2008
------- Comment #3 from irar at il dot ibm dot com 2008-05-04 05:54 -------
(In reply to comment #1)
>
> SLP also doesn't handle vectorization of register operations but needs
> memory source and destination operands(?).
Right.
> Likewise SLP shouldn't be
> confused by unvectorizable data types?
SLP does get confused by unvectorizable data types.
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36099
More information about the Gcc-bugs
mailing list