Le lauantaina 3. syyskuuta 2022, 22.48.45 EEST Lynne a écrit : > Sep 3, 2022, 21:34 by r...@remlab.net: > > Le lauantaina 3. syyskuuta 2022, 22.11.26 EEST Lynne a écrit : > >> > diff --git a/libavutil/riscv/float_dsp_rvv.S > >> > b/libavutil/riscv/float_dsp_rvv.S new file mode 100644 > >> > index 0000000000..54ea1d9d6d > >> > --- /dev/null > >> > +++ b/libavutil/riscv/float_dsp_rvv.S > >> > @@ -0,0 +1,60 @@ > >> > +/* > >> > + * This file is part of FFmpeg. > >> > + * > >> > + * FFmpeg is free software; you can redistribute it and/or > >> > + * modify it under the terms of the GNU Lesser General Public > >> > + * License as published by the Free Software Foundation; either > >> > + * version 2.1 of the License, or (at your option) any later version. > >> > + * > >> > + * FFmpeg is distributed in the hope that it will be useful, > >> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > >> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > >> > + * Lesser General Public License for more details. > >> > + * > >> > + * You should have received a copy of the GNU Lesser General Public > >> > + * License along with FFmpeg; if not, write to the Free Software > >> > + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA > >> > 02110-1301 USA + */ > >> > + > >> > +#include "config.h" > >> > +#include "asm.h" > >> > + > >> > + .option arch, +v > >> > + > >> > +func ff_vector_fmul_scalar_rvv > >> > +#if !defined (__riscv_float_abi_soft) > >> > + srli a2, a2, 2 > >> > +#else > >> > + fmv.w.x fa0, a2 > >> > + srli a2, a3, 2 > >> > +#endif > >> > >> Can't this be handled by a macro, like it's done by arm64 and x86? > > > > Err, from a quick glance, the float DSP code for AArch64 just assumes a > > hardware floating ABI, and has no conditionals, so I'm not sure what you > > mean by that. Do you mean something like VFP/NOVFP on AArch32? > > I meant all ABI stuff to be handled by macros, either `func` or the > instructions themselves.
I don't think that's possible here, at least not with reasonably low complexity. AArch32 has the same challenge and the func/endfunc macros don't handle it. -- 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".