[GOMP4, OpenACC] Fixed-form Fortran code failing to parse

[Thomas Schwinge]

Hi!

On Wed, 02 Jul 2014 14:53:19 +0200, I wrote:
> I understand the attached fixed.f to be well-formed fixed-form Fortran
> code, but it fails to parse in OpenACC mode:

The legacy of Fortran ;-) strikes again:

    $ gcc/xgcc -Bgcc/ -Bx86_64-unknown-linux-gnu/lib{gomp,gfortran}/ -Bx86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs -Ix86_64-unknown-linux-gnu/lib{gomp,gfortran} -I../source/lib{gomp,gfortran} -Lx86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs -Wl,-rpath,"$PWD"/x86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs ../../fixed-3.f -fopenacc -c
    ../../fixed-3.f:7.6:
    
    *$ACC END PARALLEL                                                      
          1
    Error: Unclassifiable OpenACC directive at (1)

..., and again:

    $ gcc/xgcc -Bgcc/ -Bx86_64-unknown-linux-gnu/lib{gomp,gfortran}/ -Bx86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs -Ix86_64-unknown-linux-gnu/lib{gomp,gfortran} -I../source/lib{gomp,gfortran} -Lx86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs -Wl,-rpath,"$PWD"/x86_64-unknown-linux-gnu/lib{gomp,gfortran}/.libs ../../fixed-4.f -fopenacc -c
    ../../fixed-4.f:3.6:
    
    *$ACC PARALLEL                                                          
          1
    Error: Unclassifiable OpenACC directive at (1)

The corresponding OpenMP examples parse fine.


> We should then also be adding some test coverage for fixed-form mode in
> gcc/testsuite/gfortran.dg/goacc/.


Grüße,
 Thomas


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