This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/13144] Bad memory-to-memory code for SSE
- From: "hjl at lucon dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Dec 2003 17:24:31 -0000
- Subject: [Bug target/13144] Bad memory-to-memory code for SSE
- References: <20031120220757.13144.hjl@lucon.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From hjl at lucon dot org 2003-12-09 17:24 -------
How memcpy should be handled is based on the assumption that TImode can be
used. Since the backend can't use TImode for memcpy, it generates slow code.
The problem is move_by_pieces_ninsns may return bogus values when TImode is
available, which leads to less optimized code.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |UNCONFIRMED
Resolution|INVALID |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13144