[Pixman] [PATCH] pixman: Add support for aarch64 neon optimization (ver.4)

[Mizuki Asakura]

> OK, thanks. Can we consider this as the final revision now or do
> you still plan to make some additional adjustments?

Yes. It should be the final version of my conversions.
Further optimizations (eg. vzip, prefetching, etc) should be a separated work.


On 18 April 2016 at 19:02, Siarhei Siamashka
<siarhei.siamashka at gmail.com> wrote:
> On Thu, 14 Apr 2016 22:38:51 +0900
> Mizuki Asakura <ed6e117f at gmail.com> wrote:
>
>> Since aarch64 has different neon syntax from aarch32 and has no
>> support for (older) arm-simd,
>> there are no SIMD accelerations for pixman on aarch64.
>>
>> We need new implementations.
>>
>>
>> Now the patch contains all nearest / bilinear implementations.
>> bilinear codes are (almost) identical to original aarch32 implementations
>> (but still need some modifications to omit registers conflictions).
>>
>> Added: https://bugs.freedesktop.org/show_bug.cgi?id=94758
>> Signed-off-by: Mizuki Asakura <ed6e117f at gmail.com>
>
> OK, thanks. Can we consider this as the final revision now or do
> you still plan to make some additional adjustments?
>
> I'll take a look at this patch later today.
>
> --
> Best regards,
> Siarhei Siamashka