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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/106323] [Suboptimal] memcmp(s1, s2, n) == 0
 expansion on AArch64 compare to llvm
Date: Sun, 17 Jul 2022 20:37:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106323

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |104611

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note this could be even better as using cmp/ccmp on aarch64 than using eor/=
or
really.
See bug 104611 comment #1 for that.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104611
[Bug 104611] memcmp/strcmp/strncmp can be optimized when the result is test=
ed
for [in]equality with 0 on aarch64=