[PATCH, AArch64] Add optimized strchr.

[Marcus Shawcroft]

On 11 June 2014 11:54, Richard Earnshaw <rearnsha@arm.com> wrote:
> Implementation of strchr for AArch64.  Speedups taken from micro-bench
> show the improvements relative to the standard C code.
>
> The use of LD1 means we have identical code for both big- and
> little-endian systems.

OK, committed with tab correction in tmp1 declaration and NEWS item.
/Marcus