[PATCH 0/2] fortran: Ignore unused arguments for scalarisation [PR97896]

[Harald Anlauf]

Hi Mikael,

thanks for working on this!

Am 07.11.21 um 17:17 schrieb Mikael Morin via Gcc-patches:
> Hello,
> 
> I repost this patch series initially targetted at the 11 branch only [1],
> and that I now would like to commit to master as well before.
> 
> The problematic case is intrinsic procedures where an argument is actually
> not used in the code generated (KIND argument of INDEX in the testcase),
> which confuses the scalariser.
> 
> Thomas König comitted a change to workaround the problem, but it regressed
> in PR97896.  These patch put the workaround where I think it is more
> appropriate, namely at the beginning of the scalarisation procedure.
> This is the patch 2 of the series, preceded with the revert in patch 1.
> I intend to commit both of them squashed together.
> 
> Regression-tested on x86_64-linux-gnu.  Ok for master and 11 branch?
> 
> 
> Changes from v1:
> 
>    Rebase on master.
> 
> 
> [1] https://gcc.gnu.org/pipermail/fortran/2021-August/056329.html
> 
> 
> Mikael Morin (2):
>    Revert "Remove KIND argument from INDEX so it does not mess up
>      scalarization."
>    fortran: Ignore unused args in scalarization [PR97896]
> 
>   gcc/fortran/intrinsic.c               | 48 +++------------------
>   gcc/fortran/intrinsic.h               |  3 +-
>   gcc/fortran/iresolve.c                | 21 ++-------
>   gcc/fortran/trans-array.c             | 61 ++++++++++++++++++++++++++-
>   gcc/fortran/trans-array.h             |  3 ++
>   gcc/fortran/trans-decl.c              | 24 +----------
>   gcc/fortran/trans-intrinsic.c         |  1 +
>   gcc/fortran/trans-stmt.c              | 20 +++++++++
>   gcc/testsuite/gfortran.dg/index_5.f90 | 23 ++++++++++
>   9 files changed, 121 insertions(+), 83 deletions(-)
>   create mode 100644 gcc/testsuite/gfortran.dg/index_5.f90
> 

LGTM at first sight.  But you may want to wait for Tobias or Thomas to
take a second look.

Thanks for the patch!

Harald