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Subject: Re: libmvec in gcc to have vector math in fortran
To: Richard Biener <richard.guenther@gmail.com>, Florian Weimer <fw@deneb.enyo.de>
Cc: Jakub Jelinek <jakub@redhat.com>, szabolcs.nagy@arm.com, Janne Blomqvist <blomqvist.janne@gmail.com>, nd@arm.com, GCC Development <gcc@gcc.gnu.org>, "fortran@gcc.gnu.org" <fortran@gcc.gnu.org>, sellcey@cavium.com
References: <6a8d496b-d830-5eb2-eba3-c2e452d06493@arm.com> <CAO9iq9FvH9Mbmec+tDO5_31vaKiu3p=WGhAXuFFUq8EJEeiQ-g@mail.gmail.com> <80c395e1-9de5-1d9c-35b6-1ccfdfa6a9e5@arm.com> <20180410102954.GB8577@tucnak> <CAFiYyc36_0n2Wn4huhAQO3C+J_ohJhUZqcE2+6m+tkU3m6LvoQ@mail.gmail.com> <20180410130655.GD8577@tucnak> <CAFiYyc361TAA3Fos=hfY-C11KhhF-gU4qXZd49TfJNXFevRU4g@mail.gmail.com> <877en01nvw.fsf@mid.deneb.enyo.de> <CAFiYyc1rnP6muEreKuUXc8EKPk+Fc7nTNr0mFO7cnGQFZy4svw@mail.gmail.com> <8736xo1kon.fsf@mid.deneb.enyo.de> <CAFiYyc2deefNfFDBqid6_n8V=J75MUUV8TqgZTJ+RUPjsG+Y5Q@mail.gmail.com>
From: Thomas Koenig <tkoenig@netcologne.de>
Message-ID: <b5c7a64d-1bbe-8afc-1ef0-d73565b5d377@netcologne.de>
Date: Fri, 15 Jun 2018 20:59:00 -0000
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Hi Richard,

> First and foremost we need a syntax that actually works for the
> Fortran frontend and a way to automatically include this special
> header / module.

I can imagine parsing the relevant headers while compiling gfortran
and generating C code from it, which could then be #included in the
compiler source code. It should be possible to extend mathbuiltins.def
that way.

How does that sound?

Regards

	Thomas