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| author | Thomas Schwinge <thomas@codesourcery.com> | 2021-04-23 12:23:51 +0200 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2021-04-26 12:32:00 +0200 |
| commit | 22cff118f7526bec195ed6e41452980820fdf3a8 (patch) | |
| tree | b2050907ef4e5e174e850714c98bcdc9f0713562 /gcc/c-family/c.opt | |
| parent | 7c640779bf042ceb05fe50260307af88fed75407 (diff) | |
| download | gcc-22cff118f7526bec195ed6e41452980820fdf3a8.zip gcc-22cff118f7526bec195ed6e41452980820fdf3a8.tar.gz gcc-22cff118f7526bec195ed6e41452980820fdf3a8.tar.bz2 | |
Add '-Wopenacc-parallelism'
... 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>
Diffstat (limited to 'gcc/c-family/c.opt')
| -rw-r--r-- | gcc/c-family/c.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index 3f8b72c..f1b4c3f 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -1037,6 +1037,10 @@ Wold-style-definition C ObjC Var(warn_old_style_definition) Init(-1) Warning Warn if an old-style parameter definition is used. +Wopenacc-parallelism +C C++ Var(warn_openacc_parallelism) Warning +Warn about potentially suboptimal choices related to OpenACC parallelism. + Wopenmp-simd C C++ Var(warn_openmp_simd) Warning LangEnabledBy(C C++,Wall) Warn if a simd directive is overridden by the vectorizer cost model. |