On Sat, 12 Jan 2019 01:03:09 +0100 Michael Niedermayer <mich...@niedermayer.cc> wrote:
> On Fri, Jan 11, 2019 at 11:16:20AM +0200, Lauri Kasanen wrote: > > On Fri, 11 Jan 2019 09:56:15 +0100 > > Michael Niedermayer <mich...@niedermayer.cc> wrote: > > > > > > +#ifdef __GNUC__ > > > > + // GCC does not support vmuluwm yet. Bug open. > > > > > > this should probably be tested by configure similar to how other > > > compiler limitations are tested > > > > We can't really test for it, because there is no standard name for it. I > > don't know what name the gcc devs will pick for it, it could be vec_mul, > > vec_vmuluwm or something different. > > the code contains a #if and a #else case > so i thought there was something else than the __GNUC__ case and gcc > would follow that It's second-hand info from libsimdpp. I don't know where they got it. However, I found out yesterday that gcc docs are wrong, and vec_mul for gcc does use the correct instruction on power8. Respinning. - Lauri _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel