Okay, learned it Rémi Denis-Courmont <r...@remlab.net> 于2024年5月15日周三 01:00写道:
> Le tiistaina 14. toukokuuta 2024, 7.45.29 EEST flow gg a écrit : > > I am locally using: > > if (bpp == 8 && (flags & AV_CPU_FLAG_RVI) && (flags & > > AV_CPU_FLAG_RVB_ADDR)) { > > There is no point testing the I flag if you test any other flag. The I > flag is > always set (since we don't, and probably never will, support RV32E) and > only > exists for the benefit of checkasm. > > > this performs better on k230/banana_f3 than C. > > It also performs better than C on SiFive U74, even though that design has > veeeeeery slow unaligned access (emulated in SBI). Of course, it could > just be > that checkasm only tests aligned accesses and unaligned accesses are > legal, > hence my earlier question. > > -- > レミ・デニ-クールモン > 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". > _______________________________________________ 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".