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

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Dec 2 11:21:58 EET 2019

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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