Currently poly-int type structures are passed by value to OpenMP runtime functions for shared clauses etc. This patch improves on this by passing around poly-int structures by address to avoid copy-overhead.
gcc/ChangeLog * omp-low.c (use_pointer_for_field): Use pointer if the OMP data structure's field type is a poly-int. --- gcc/omp-low.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/omp-low.cc b/gcc/omp-low.cc index da2051b0279..6b3853ed528 100644 --- a/gcc/omp-low.cc +++ b/gcc/omp-low.cc @@ -466,7 +466,8 @@ static bool use_pointer_for_field (tree decl, omp_context *shared_ctx) { if (AGGREGATE_TYPE_P (TREE_TYPE (decl)) - || TYPE_ATOMIC (TREE_TYPE (decl))) + || TYPE_ATOMIC (TREE_TYPE (decl)) + || POLY_INT_CST_P (DECL_SIZE (decl))) return true; /* We can only use copy-in/copy-out semantics for shared variables -- 2.25.1