diff options
Diffstat (limited to 'gcc/fortran/openmp.c')
-rw-r--r-- | gcc/fortran/openmp.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/gcc/fortran/openmp.c b/gcc/fortran/openmp.c index 444fdcc..0accb18 100644 --- a/gcc/fortran/openmp.c +++ b/gcc/fortran/openmp.c @@ -4536,13 +4536,28 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses, /* Look through component refs to find last array reference. */ if (openacc && resolved) - while (array_ref - && (array_ref->type == REF_COMPONENT - || (array_ref->type == REF_ARRAY - && array_ref->next - && (array_ref->next->type - == REF_COMPONENT)))) - array_ref = array_ref->next; + { + /* The "!$acc cache" directive allows rectangular + subarrays to be specified, with some restrictions + on the form of bounds (not implemented). + Only raise an error here if we're really sure the + array isn't contiguous. An expression such as + arr(-n:n,-n:n) could be contiguous even if it looks + like it may not be. */ + if (list != OMP_LIST_CACHE + && !gfc_is_simply_contiguous (n->expr, false, true) + && gfc_is_not_contiguous (n->expr)) + gfc_error ("Array is not contiguous at %L", + &n->where); + + while (array_ref + && (array_ref->type == REF_COMPONENT + || (array_ref->type == REF_ARRAY + && array_ref->next + && (array_ref->next->type + == REF_COMPONENT)))) + array_ref = array_ref->next; + } } if (array_ref || (n->expr |