[PATCH] Add ifunc memcpy and memmove for aarch64

[Florian Weimer]

On 01/24/2017 12:33 AM, Steve Ellcey wrote:
> How is cpu-features-offsets.sym used and what do I need in this file?
> I think this may be how _dl_aarch64_cpu_features is supposed to be
> defined but I am not sure.

It allows the assembler to use the values of C constant expressions. 
Commit 67aae64512cb42332f76a83e84ac2bc608ad4ad2 is an aarch64 example of 
its use.

Florian