This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/39942] Nonoptimal code - leaveq; xchg %ax,%ax; retq
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 May 2009 13:31:58 -0000
- Subject: [Bug target/39942] Nonoptimal code - leaveq; xchg %ax,%ax; retq
- References: <bug-39942-17483@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #20 from rguenth at gcc dot gnu dot org 2009-05-13 13:31 -------
Instruction decoders generally operate on whole cache-lines, so 16-byte chunk
very very likely refers to a cache-line.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39942