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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/113458] Missed SLP for reduction of multiplication/addition with promotion
Date: Sun, 21 Jan 2024 22:14:49 +0000 [thread overview]
Message-ID: <bug-113458-4-jbjQHrNdPE@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 #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #9)
> (In reply to Andrew Pinski from comment #8)
> > (In reply to Andrew Pinski from comment #7)
> > > But the load is still using inserts and tbl. I have not figured out why
> > > though.
> >
> > Looks like I have to support const PERMs.
>
> Which I have enough supported. Now on to the cost model.
> I do get some testsuite failures which means I need to add more support
> instruction for the V4QI mode but it is a good start too.
Actually it was not the cost model that was the issue. It was just implementing
movmisalign for the mode and also not having the PERM support done correctly.
Once fixing those 2 issues, V4QI seems enough supported.
I am thinking about removing V2HI support from my patches though.
prev parent reply other threads:[~2024-01-21 22:14 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
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 [this message]
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