[FFmpeg-devel] [PATCH] configure: reenable tree vectorization for GCC

[Steinar H. Gunderson]

On Fri, Jul 03, 2020 at 10:42:04PM +0200, Michael Niedermayer wrote:
> 230	                    v = av_be2ne16(((uint16_t *)s->bytestream)[j]);

Dereferencing an unaligned uint16_t* is UB, indeed. I've seen similar code
break on ARM, with no -ftree-vectorize.

/* Steinar */
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