On Fri, Nov 1, 2019 at 7:03 AM Anton Youdkevitch <anton.youdkevi...@bell-sw.com> wrote: > > Hello, > > Here is the one-liner that fixes the incorrect > vec_perm cost for thunderx2t99 chip. > With the patch applied 526.blender of CPU2017 > gets ~5% improvement with no measurable changes > for other benchmarks. > > Bootstrapped OK on aarch64-linux-gnu. > > OK for trunk?
Maybe the big question is vec_perm used for both 1 input and 2 input cases? If so maybe splitting the two cases would be important too. Otherwise this is ok from my point of view but I can't approve it. Thanks, Andrew Pinski > > 2019-11-01 Anton Youdkevitch <anton.youdkevi...@bell-sw.com> > > * gcc/config/aarch64/aarch64.c (thunderx2t99_vector_cost): > change vec_perm field > > -- > Thanks, > Anton
