diff options
Diffstat (limited to 'gcc/fortran/openmp.cc')
| -rw-r--r-- | gcc/fortran/openmp.cc | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/gcc/fortran/openmp.cc b/gcc/fortran/openmp.cc index fe0a47a..f1acc00 100644 --- a/gcc/fortran/openmp.cc +++ b/gcc/fortran/openmp.cc @@ -8895,15 +8895,21 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses, if (list == OMP_LIST_MAP && n->sym->attr.flavor == FL_PARAMETER) { + /* OpenACC since 3.4 permits for Fortran named constants, but + permits removing then as optimization is not needed and such + ignore them. Likewise below for FIRSTPRIVATE. */ if (openacc) - gfc_error ("Object %qs is not a variable at %L; parameters" - " cannot be and need not be copied", n->sym->name, - &n->where); + gfc_warning (OPT_Wsurprising, "Clause for object %qs at %L is " + "ignored as parameters need not be copied", + n->sym->name, &n->where); else gfc_error ("Object %qs is not a variable at %L; parameters" " cannot be and need not be mapped", n->sym->name, &n->where); } + else if (openacc && n->sym->attr.flavor == FL_PARAMETER) + gfc_warning (OPT_Wsurprising, "Clause for object %qs at %L is ignored" + " as it is a parameter", n->sym->name, &n->where); else if (list != OMP_LIST_USES_ALLOCATORS) gfc_error ("Object %qs is not a variable at %L", n->sym->name, &n->where); @@ -12756,9 +12762,21 @@ gfc_resolve_oacc_declare (gfc_namespace *ns) && (n->sym->attr.flavor != FL_PROCEDURE || n->sym->result != n->sym)) { - gfc_error ("Object %qs is not a variable at %L", - n->sym->name, &oc->loc); - continue; + if (n->sym->attr.flavor != FL_PARAMETER) + { + gfc_error ("Object %qs is not a variable at %L", + n->sym->name, &oc->loc); + continue; + } + /* Note that OpenACC 3.4 permits name constants, but the + implementation is permitted to ignore the clause; + as semantically, device_resident kind of makes sense + (and the wording with it is a bit odd), the warning + is suppressed. */ + if (list != OMP_LIST_DEVICE_RESIDENT) + gfc_warning (OPT_Wsurprising, "Object %qs at %L is ignored as" + " parameters need not be copied", n->sym->name, + &oc->loc); } if (n->expr && n->expr->ref->type == REF_ARRAY) |