On Tue, May 12, 2020 at 7:57 AM Richard Biener <rguent...@suse.de> wrote: > > On Mon, 11 May 2020, Uros Bizjak wrote: > > > Attached patch implements V2SFmode FMA insn patterns. Patched compiler > > vectorizes FMA, FMS and FNMA instructions, but for some reason fails > > to vectorize FNMS. > > > > I have double checked that the insn pattern is correct, and now I'm > > all out of ideas what could be wrong with the pattern, still ignored > > by the vectorizer. -fno-vect-cost-model does not help so it's time to > > ask the experts... > > Do you have negate patterns for V2SFmode? The vectorizer sees > decomposed ops and only the vectorized operations are later formed > into FMAs.
No, not yet. I'll add V2SF absneg next; they require some surgery in ix86_expand_fp_absneg_operator, so I left them for "later. Thanks, Uros.
