Re: [PATCH] [PR24021] Implement PLUS_EXPR range-op entry for floats.

[Aldy Hernandez <aldyh@redhat.com>]

On Thu, Oct 13, 2022 at 3:52 PM Toon Moene <toon@moene.org> wrote:
>
> It was just a comment on the code of the PR ...

Ahh... the patch adds support for ranger handling of floating point
PLUS_EXPRs in the IL.  The PR's testcase is just one of the many
things it will be able to solve.

Aldy

>
> Toon.
>
> On 10/13/22 15:44, Aldy Hernandez wrote:
>
> > I'm not following.  My patch doesn't affect this behavior.
> >
> > What am I missing?
> >
> > Aldy
> >
> > On Thu, Oct 13, 2022 at 3:04 PM Toon Moene <toon@moene.org> wrote:
> >>
> >> On 10/13/22 14:36, Aldy Hernandez via Gcc-patches wrote:
> >>
> >>>        PR tree-optimization/24021
> >>
> >> Ah - Verboten in Fortran:
> >>
> >> $ cat d.f
> >>         DOUBLE PRECISION A, X
> >>         A = 0.0
> >>         DO X = 0.1, 1.0
> >>            A = A + X
> >>         ENDDO
> >>         END
> >> $ gfortran d.f
> >> d.f:3:9:
> >>
> >>       3 |       DO X = 0.1, 1.0
> >>         |         1
> >> Warning: Deleted feature: Loop variable at (1) must be integer
> >> d.f:3:12:
> >>
> >>       3 |       DO X = 0.1, 1.0
> >>         |            1
> >> Warning: Deleted feature: Start expression in DO loop at (1) must be integer
> >> d.f:3:17:
> >>
> >>       3 |       DO X = 0.1, 1.0
> >>         |                 1
> >> Warning: Deleted feature: End expression in DO loop at (1) must be integer
> >>
> >> --
> >> Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
> >> Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
> >>
> >
>
> --
> Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
> Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
>