[FFmpeg-devel] [PATCH] avfilter/vf_convolution: add 16-column operation for filter_column() to prepare for x86 SIMD.

chen chenm003 at 163.com
Mon Dec 2 11:24:43 EET 2019

This is toy only, it depends on compiler
On my PC, it helpful my old version compiler generate movaps other than movups.

At 2019-12-02 17:21:58, "Carl Eugen Hoyos" <ceffmpeg at gmail.com> wrote:
>Am Mo., 2. Dez. 2019 um 08:33 Uhr schrieb chen <chenm003 at 163.com>:
>> +    #define __assume(cond) do { if (!(cond)) __builtin_unreachable(); } while (0)
>We currently don't do that.
>If you have a testcase where it makes a big difference,
>adding it could be discussed but has to be checked in
>configure and added to a libavutil header.
>Carl Eugen
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