[Bug middle-end/37150] vectorizer misses some loops
irar at il dot ibm dot com
gcc-bugzilla@gcc.gnu.org
Thu Aug 6 10:49:00 GMT 2009
------- Comment #10 from irar at il dot ibm dot com 2009-08-06 10:49 -------
Yes. The problem is that only a basic implementation was added. To vectorize
this code several improvements must be done: support stmt group sizes greater
than vector size, allow loads and stores to the same location, initiate SLP
analysis from groups of loads, support misaligned access, etc.
Finding a benchmark could really help to push these items to the top of
vectorizer's todo list.
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37150
More information about the Gcc-bugs
mailing list