Le maanantaina 3. lokakuuta 2022, 18.06.42 EEST r...@remlab.net a écrit : > From: Rémi Denis-Courmont <r...@remlab.net> > > 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 selected vector length, VMV.S.X does _nothing_ if the > selected vector length is zero. > > So the current code breaks fails to initialise the accumulator if we > are unlucky to have a selected vector length of zero on entry. Fix it > by forcing the vector length to one.
Ping. The issue becomes systematically reproducible with the checkasm support. -- 雷米‧德尼-库尔蒙 http://www.remlab.net/ _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
