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From: "crazylht at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/92658] x86 lacks vector extend / truncate
Date: Wed, 15 Dec 2021 01:46:35 +0000 [thread overview]
Message-ID: <bug-92658-4-xsFFmkX2sl@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-92658-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92658
--- Comment #25 from Hongtao.liu <crazylht at gmail dot com> ---
(In reply to Uroš Bizjak from comment #5)
> Created attachment 47927 [details]
> Prototype patch v2
>
> A couple of typos fixed.
>
> Still doesn't vectorize v4qi->v4si, v2qi->v2di, v2hi->v2di and v4qi->v4di.
>
> Looks like tree-opt issue, as explained in Comment #4.
v4qi->v4si, v2hi->v2di and v4qi->v4di are vectorized, but v2qi->v2di is not,
guess it's related to 16-bit vector support.
next prev parent reply other threads:[~2021-12-15 1:46 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-92658-4@http.gcc.gnu.org/bugzilla/>
2020-05-14 12:50 ` ubizjak at gmail dot com
2020-05-14 13:20 ` rguenther at suse dot de
2020-05-14 13:41 ` rsandifo at gcc dot gnu.org
2020-05-15 8:18 ` crazylht at gmail dot com
2020-05-19 9:26 ` cvs-commit at gcc dot gnu.org
2020-05-19 9:35 ` ubizjak at gmail dot com
2020-05-20 5:12 ` crazylht at gmail dot com
2020-05-20 8:16 ` crazylht at gmail dot com
2020-05-22 13:32 ` cvs-commit at gcc dot gnu.org
2020-05-22 21:50 ` mark at gcc dot gnu.org
2020-05-23 2:28 ` crazylht at gmail dot com
2020-12-25 2:19 ` crazylht at gmail dot com
2020-12-25 10:32 ` ubizjak at gmail dot com
2020-12-29 1:36 ` crazylht at gmail dot com
2021-01-07 6:35 ` cvs-commit at gcc dot gnu.org
2021-12-15 0:53 ` pinskia at gcc dot gnu.org
2021-12-15 1:46 ` crazylht at gmail dot com [this message]
2023-05-10 20:43 ` cvs-commit at gcc dot gnu.org
2023-06-03 0:09 ` cvs-commit at gcc dot gnu.org
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