
... to diagnose potentially suboptimal choices regarding OpenACC parallelism. Not enabled by default: too noisy ("*potentially* suboptimal choices"); see XFAILed 'dg-bogus'es. gcc/c-family/ * c.opt (Wopenacc-parallelism): New. gcc/fortran/ * lang.opt (Wopenacc-parallelism): New. gcc/ * omp-offload.c (oacc_validate_dims): Implement '-Wopenacc-parallelism'. * doc/invoke.texi (-Wopenacc-parallelism): Document. gcc/testsuite/ * c-c++-common/goacc/diag-parallelism-1.c: New. * c-c++-common/goacc/acc-icf.c: Specify '-Wopenacc-parallelism', and match diagnostics, as appropriate. * c-c++-common/goacc/classify-kernels-unparallelized.c: Likewise. * c-c++-common/goacc/classify-kernels.c: Likewise. * c-c++-common/goacc/classify-parallel.c: Likewise. * c-c++-common/goacc/classify-routine.c: Likewise. * c-c++-common/goacc/classify-serial.c: Likewise. * c-c++-common/goacc/kernels-decompose-1.c: Likewise. * c-c++-common/goacc/kernels-decompose-2.c: Likewise. * c-c++-common/goacc/parallel-dims-1.c: Likewise. * c-c++-common/goacc/parallel-reduction.c: Likewise. * c-c++-common/goacc/pr70688.c: Likewise. * c-c++-common/goacc/routine-1.c: Likewise. * c-c++-common/goacc/routine-level-of-parallelism-2.c: Likewise. * c-c++-common/goacc/uninit-dim-clause.c: Likewise. * gfortran.dg/goacc/classify-kernels-unparallelized.f95: Likewise. * gfortran.dg/goacc/classify-kernels.f95: Likewise. * gfortran.dg/goacc/classify-parallel.f95: Likewise. * gfortran.dg/goacc/classify-routine.f95: Likewise. * gfortran.dg/goacc/classify-serial.f95: Likewise. * gfortran.dg/goacc/kernels-decompose-1.f95: Likewise. * gfortran.dg/goacc/kernels-decompose-2.f95: Likewise. * gfortran.dg/goacc/parallel-tree.f95: Likewise. * gfortran.dg/goacc/routine-4.f90: Likewise. * gfortran.dg/goacc/routine-level-of-parallelism-1.f90: Likewise. * gfortran.dg/goacc/routine-module-mod-1.f90: Likewise. * gfortran.dg/goacc/routine-multiple-directives-1.f90: Likewise. * gfortran.dg/goacc/uninit-dim-clause.f95: Likewise. libgomp/ * testsuite/libgomp.oacc-c-c++-common/firstprivate-1.c: Specify '-Wopenacc-parallelism', and match diagnostics, as appropriate. * testsuite/libgomp.oacc-c-c++-common/loop-auto-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/loop-red-w-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/loop-red-w-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/loop-w-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/mode-transitions.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/par-reduction-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/par-reduction-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-dims.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/parallel-reduction.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/pr85381-3.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/private-variables.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-5.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/reduction-7.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/routine-g-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/routine-w-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/routine-wv-2.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/static-variable-1.c: Likewise. * testsuite/libgomp.oacc-fortran/optional-private.f90: Likewise. * testsuite/libgomp.oacc-fortran/par-reduction-2-1.f: Likewise. * testsuite/libgomp.oacc-fortran/par-reduction-2-2.f: Likewise. * testsuite/libgomp.oacc-fortran/parallel-dims.f90: Likewise. * testsuite/libgomp.oacc-fortran/parallel-reduction.f90: Likewise. * testsuite/libgomp.oacc-fortran/pr84028.f90: Likewise. * testsuite/libgomp.oacc-fortran/private-variables.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-1.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-5.f90: Likewise. * testsuite/libgomp.oacc-fortran/reduction-6.f90: Likewise. * testsuite/libgomp.oacc-fortran/routine-7.f90: Likewise. Co-Authored-By: Nathan Sidwell <nathan@codesourcery.com> Co-Authored-By: Tom de Vries <vries@codesourcery.com> Co-Authored-By: Julian Brown <julian@codesourcery.com> Co-Authored-By: Kwok Cheung Yeung <kcy@codesourcery.com>
29 lines
549 B
Fortran
29 lines
549 B
Fortran
! { dg-do run }
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! { dg-additional-options "-Wopenacc-parallelism" } for testing/documenting
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! aspects of that functionality.
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program foo
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integer :: a(3,3,3), ll, lll
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a = 1
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!$acc parallel num_gangs(1) num_workers(2)
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! { dg-warning "region is worker partitioned but does not contain worker partitioned code" "" { target *-*-* } .-1 }
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if (any(a(1:3,1:3,1:3).ne.1)) STOP 1
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do ll=1,3
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!$acc loop vector
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do lll=1,3
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a(1,ll,lll) = 2
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enddo
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enddo
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if (a(1,1,1).ne.2) STOP 2
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!$acc end parallel
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end program foo
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