[FFmpeg-devel] [PATCH] gcc: Don't disable '-ftree-vectorize' on GCC >= 13 on major architectures (PR #20120)

Martin Storsjö martin at martin.st
Wed Aug 6 10:10:40 EEST 2025


On Wed, 6 Aug 2025, Rémi Denis-Courmont wrote:

> FWIW I don't really care personally but judging by the original author 
> and their affiliation, the intent was most probably to enable this for 
> RISC-V / RVA23.
>
> On that platform it is *probably* safe to enable vectorisation on all 
> GCC versions but I have not tested it. In fact, I don't have an 
> RVA23-conformant board.

Yeah I was on the fence about including RISC-V among the "modern major 
architectures"; after merging this I'd welcome patches to enable the same 
on more architectures, if the people contributing the patch can at least 
indicate that it working without breaking fate tests for that 
configuration.

// Martin


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