diff options
Diffstat (limited to 'gcc/fortran/trans-io.cc')
| -rw-r--r-- | gcc/fortran/trans-io.cc | 48 |
1 files changed, 37 insertions, 11 deletions
diff --git a/gcc/fortran/trans-io.cc b/gcc/fortran/trans-io.cc index 732221f848b..9f86815388c 100644 --- a/gcc/fortran/trans-io.cc +++ b/gcc/fortran/trans-io.cc @@ -737,7 +737,6 @@ set_parameter_ref (stmtblock_t *block, stmtblock_t *postblock, static void gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) { - tree size; if (e->rank == 0) { @@ -755,12 +754,13 @@ gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) array = sym->backend_decl; type = TREE_TYPE (array); + tree elts_count; if (GFC_ARRAY_TYPE_P (type)) - size = GFC_TYPE_ARRAY_SIZE (type); + elts_count = GFC_TYPE_ARRAY_SIZE (type); else { gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)); - size = gfc_conv_array_stride (array, rank); + tree stride = gfc_conv_array_stride (array, rank); tmp = fold_build2_loc (input_location, MINUS_EXPR, gfc_array_index_type, gfc_conv_array_ubound (array, rank), @@ -768,23 +768,49 @@ gfc_convert_array_to_string (gfc_se * se, gfc_expr * e) tmp = fold_build2_loc (input_location, PLUS_EXPR, gfc_array_index_type, tmp, gfc_index_one_node); + elts_count = fold_build2_loc (input_location, MULT_EXPR, + gfc_array_index_type, tmp, stride); + } + gcc_assert (elts_count); + + tree elt_size = TYPE_SIZE_UNIT (gfc_get_element_type (type)); + elt_size = fold_convert (gfc_array_index_type, elt_size); + + tree size; + if (TREE_CODE (se->expr) == ARRAY_REF) + { + tree index = TREE_OPERAND (se->expr, 1); + index = fold_convert (gfc_array_index_type, index); + + elts_count = fold_build2_loc (input_location, MINUS_EXPR, + gfc_array_index_type, + elts_count, index); + size = fold_build2_loc (input_location, MULT_EXPR, - gfc_array_index_type, tmp, size); + gfc_array_index_type, elts_count, elt_size); + } + else + { + gcc_assert (TREE_CODE (se->expr) == INDIRECT_REF); + tree ptr = TREE_OPERAND (se->expr, 0); + + gcc_assert (TREE_CODE (ptr) == POINTER_PLUS_EXPR); + tree offset = fold_convert_loc (input_location, gfc_array_index_type, + TREE_OPERAND (ptr, 1)); + + size = fold_build2_loc (input_location, MULT_EXPR, + gfc_array_index_type, elts_count, elt_size); + size = fold_build2_loc (input_location, MINUS_EXPR, + gfc_array_index_type, size, offset); } gcc_assert (size); - size = fold_build2_loc (input_location, MINUS_EXPR, - gfc_array_index_type, size, - TREE_OPERAND (se->expr, 1)); se->expr = gfc_build_addr_expr (NULL_TREE, se->expr); - tmp = TYPE_SIZE_UNIT (gfc_get_element_type (type)); - size = fold_build2_loc (input_location, MULT_EXPR, - gfc_array_index_type, size, - fold_convert (gfc_array_index_type, tmp)); se->string_length = fold_convert (gfc_charlen_type_node, size); return; } + tree size; gfc_conv_array_parameter (se, e, true, NULL, NULL, &size); se->string_length = fold_convert (gfc_charlen_type_node, size); } |