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Date: Fri, 4 May 2018 15:53:01 +0000
From: Brooks Davis <brooks@freebsd.org>
To: Mateusz Guzik <mjg@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r333240 - in head/sys: powerpc/powerpc sys
Message-ID: <20180504155301.GA56280@spindle.one-eyed-alien.net>
References: <201805040400.w4440moH025057@repo.freebsd.org>
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On Fri, May 04, 2018 at 04:00:48AM +0000, Mateusz Guzik wrote:
> Author: mjg
> Date: Fri May  4 04:00:48 2018
> New Revision: 333240
> URL: https://svnweb.freebsd.org/changeset/base/333240
>=20
> Log:
>   Allow __builtin_memmove instead of bcopy for small buffers of known size

What is the justification for forcing a size rather than using the
compiler's built-in fallback to memmove?  Is the kernel compilation
environment disabling that?

-- Brooks

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