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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/98477] aarch64: Unnecessary GPR -> FPR moves for conditional select
Date: Wed, 30 Dec 2020 09:50:03 +0000 [thread overview]
Message-ID: <bug-98477-4-xXz3G8dHXH@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-98477-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98477
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to ktkachov from comment #1)
> Or a =r,r,r alternative to the FCSEL pattern instead...
Should most likely add the r alternative to *cmov<mode>_insn (GPF) and the w
alternative to *cmov<mode>_insn (ALLI). So you can avoid moving back and forth
in general.
next prev parent reply other threads:[~2020-12-30 9:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 9:35 [Bug target/98477] New: " ktkachov at gcc dot gnu.org
2020-12-30 9:40 ` [Bug target/98477] " ktkachov at gcc dot gnu.org
2020-12-30 9:47 ` pinskia at gcc dot gnu.org
2020-12-30 9:50 ` pinskia at gcc dot gnu.org [this message]
2020-12-30 9:50 ` pinskia at gcc dot gnu.org
2023-11-18 6:59 ` pinskia at gcc dot gnu.org
2024-04-24 0:02 ` pinskia at gcc dot gnu.org
2024-04-24 6:05 ` pinskia at gcc dot gnu.org
2024-04-24 6:09 ` pinskia at gcc dot gnu.org
2024-04-24 6:22 ` pinskia at gcc dot gnu.org
2024-04-24 6:28 ` pinskia at gcc dot gnu.org
2024-05-06 18:29 ` pinskia at gcc dot gnu.org
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