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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/82014] worse code emitted for a valid memove than for undefined memcpy
Date: Sun, 07 Apr 2024 05:01:59 +0000 [thread overview]
Message-ID: <bug-82014-4-4MPOf0v3r6@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-82014-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82014
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note for sizes that fit in a register, GCC does a reasonable job here. We could
do a better job if we know that which direction at compile time (like here) we
should do the copy. But currently we don't.
parent reply other threads:[~2024-04-07 5:02 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <bug-82014-4@http.gcc.gnu.org/bugzilla/>]
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