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From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/113458] Missed SLP for reduction of multiplication/addition with promotion
Date: Thu, 18 Jan 2024 05:13:19 +0000 [thread overview]
Message-ID: <bug-113458-4-aQkNXSVPvc@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-113458-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113458
--- Comment #2 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
> But if we reduce n to 4, the loop based vectorizer is not able to handle it
> either.
Do we support 1 element vector(i.e V1SI) in vectorizer?
and it also relies on backend support of dot_prodv4qi.
next prev parent reply other threads:[~2024-01-18 5:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-17 20:29 [Bug tree-optimization/113458] New: " pinskia at gcc dot gnu.org
2024-01-17 21:08 ` [Bug tree-optimization/113458] " pinskia at gcc dot gnu.org
2024-01-18 5:13 ` liuhongt at gcc dot gnu.org [this message]
2024-01-18 8:05 ` rguenth at gcc dot gnu.org
2024-01-18 8:10 ` rguenth at gcc dot gnu.org
2024-01-18 8:36 ` [Bug target/113458] " pinskia at gcc dot gnu.org
2024-01-19 0:33 ` liuhongt at gcc dot gnu.org
2024-01-19 21:41 ` pinskia at gcc dot gnu.org
2024-01-19 22:56 ` pinskia at gcc dot gnu.org
2024-01-20 0:41 ` pinskia at gcc dot gnu.org
2024-01-20 8:09 ` pinskia at gcc dot gnu.org
2024-01-21 22:14 ` pinskia at gcc dot gnu.org
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