[FFmpeg-devel] [PATCH] riscv: fix scalar product initialisation

2022-10-03 Thread remi
From: Rémi Denis-Courmont VSETVLI xd, x0, ...' has rather nonobvious semantics: - If xd is x0, then it preserves the current vector length. - If xd is not x0, it sets the vector length to the supported maximum. Also somewhat confusingly, while VMV.X.S always does its thing regardless of the sele

Re: [FFmpeg-devel] [PATCH] riscv: fix scalar product initialisation

2022-10-12 Thread Rémi Denis-Courmont
Le maanantaina 3. lokakuuta 2022, 18.06.42 EEST r...@remlab.net a écrit : > From: Rémi Denis-Courmont > > VSETVLI xd, x0, ...' has rather nonobvious semantics: > - If xd is x0, then it preserves the current vector length. > - If xd is not x0, it sets the vector length to the supported maximum. >