svn commit: r333240 - in head/sys: powerpc/powerpc sys

[Conrad Meyer]

On Fri, May 4, 2018 at 8:53 AM, Brooks Davis <brooks at freebsd.org> wrote:
> 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
>>
>> 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?

Yes.  I think the compiler can't use its builtin bcopy() in standalone mode.