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Re: [PATCH] Fix up _mm_f{,n}m{add,sub}_s{s,d} (PR target/54564)

From: Richard Henderson <rth at redhat dot com>
To: Uros Bizjak <ubizjak at gmail dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>, gcc-patches at gcc dot gnu dot org
Date: Thu, 13 Sep 2012 11:28:11 -0700
Subject: Re: [PATCH] Fix up _mm_f{,n}m{add,sub}_s{s,d} (PR target/54564)
References: <20120913155258.GF22619@tucnak.redhat.com> <CAFULd4ZRhHi083-YbFXm2DbLHrF2vRP_rTevxGmP8S94FyQhGA@mail.gmail.com>

On 09/13/2012 10:42 AM, Uros Bizjak wrote:
> Can we introduce additional "*fmai_fmadd_<mode>_1" pattern (and
> others) that would cover missing 231 alternative?

I really don't think that's necessary.  For that you'd need to
be computing fma(x, y, x), at which point vfmadd213 matches as well.


r~

Follow-Ups:
- Re: [PATCH] Fix up _mm_f{,n}m{add,sub}_s{s,d} (PR target/54564)
  - From: Jakub Jelinek

References:
- [PATCH] Fix up _mm_f{,n}m{add,sub}_s{s,d} (PR target/54564)
  - From: Jakub Jelinek
- Re: [PATCH] Fix up _mm_f{,n}m{add,sub}_s{s,d} (PR target/54564)
  - From: Uros Bizjak

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