qemu-riscv64 -cpu rv64,v=true,g=true,c=true,zba=true,vlen=128 checkasm --test=ac3dsp
flow gg <hlefthl...@gmail.com> 于2023年11月22日周三 22:30写道： > > How did you test it? > > I wrote a test, but it was a bit rough, so I want to modify it before > submitting. I've added it to this reply. > > > This does not seem according to the C ABI. AFAIK `unsigned` is > sign-extended. > > I'm a bit confused... because this passed in the tests I wrote in qemu. > Maybe there's a problem with my test？ > > > ALU right before dependent conditional branch should be avoided. > > Should the sub be moved forward? I've modified it. > > > SHxADD can be used advantageously. > > Okay, I've made the modification > > Rémi Denis-Courmont <r...@remlab.net> 于2023年11月22日周三 21:41写道： > >> Hi, >> >> How did you test it? As per >> http://ffmpeg.org/pipermail/ffmpeg-devel/2023-June/310720.html we still >> don't have a FATE instance set up with the RISC-V Vector extension. The >> only testing consists of my manual runs of checkasm on a K230 board. (We >> *do* have Zba and Zbb now though, hence the existing extract_exponents()). >> >> Also: >> - This does not seem according to the C ABI. AFAIK `unsigned` is >> sign-extended. >> - ALU right before dependent conditional branch should be avoided. >> - SHxADD can be used advantageously. >> >> >> Le 22 novembre 2023 14:00:07 GMT+02:00, flow gg <hlefthl...@gmail.com> a >> écrit : >> >c910 >> > float_to_fixed24_c: 208.2 >> > float_to_fixed24_rvv_f32: 71.5 >> _______________________________________________ >> 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".
