From: Paul Richard Thomas <paul.richard.thomas@gmail.com>
To: Harald Anlauf <anlauf@gmx.de>
Cc: fortran <fortran@gcc.gnu.org>
Subject: Re: Scalarization of simplification of constant expressions?
Date: Tue, 6 Oct 2020 06:44:23 +0100 [thread overview]
Message-ID: <CAGkQGiKP9hX6HCoh3uon6y2FY9BAUkxe6Xfo1gdP04c5pBLytQ@mail.gmail.com> (raw)
In-Reply-To: <trinity-d8338926-47eb-44cb-9170-430522289a09-1601927957375@3c-app-gmx-bap74>
Hi Harald,
Yes, there is a scalarizer for elemental calls:
expr.c(scalarize_intrinsic_call) first appears in 2007.
Cheers
Paul
On Mon, 5 Oct 2020 at 20:59, Harald Anlauf <anlauf@gmx.de> wrote:
> Dear all,
>
> the restrictions on what can be used in constant expressions have been
> greatly reduced in F2018, so one might want to simplify more than what
> was possible before.
>
> E.g. the following is currently not simplified at compile time:
>
> print *, index('abcd',['c'], .true. )
> print *, index('abcd', 'b' ,[.true.])
>
> c.f. PR95979, while the scalar variants do simplify.
>
> Is there something like scalarization also available for simplification
> of constant expressions?
>
> Regards,
> Harald
>
>
--
"If you can't explain it simply, you don't understand it well enough" -
Albert Einstein
next prev parent reply other threads:[~2020-10-06 5:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-05 19:59 Harald Anlauf
2020-10-06 5:44 ` Paul Richard Thomas [this message]
2020-10-06 21:34 ` Aw: " Harald Anlauf
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