This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug target/59539] Missed optimisation: VEX-prefixed operations don't need aligned data
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 18 Dec 2013 09:38:40 +0000
- Subject: [Bug target/59539] Missed optimisation: VEX-prefixed operations don't need aligned data
- Auto-submitted: auto-generated
- References: <bug-59539-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59539
--- Comment #3 from UroÅ Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #1)
> Created attachment 31463 [details]
> gcc49-pr59539.patch
>From a quick look at the patch, the proposed patch doesn't support masked
insns.
I think it is better to introduce corresponding sse.md expanders for
UNSPEC_STOREU and UNSPEC_LOADU insns. These expanders will either generate
UNSPEC_* pattern or "normal" (masked) move in case of TARGET_AVX.