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Correction partielle régression deferred_character_37.f90

This commit is contained in:
Mikael Morin 2025-10-16 14:20:40 +02:00
parent a6df2739cb
commit b5de7ff49e
1 changed files with 31 additions and 14 deletions
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45
gcc/fortran/trans-descriptor.cc
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@ -2247,6 +2247,20 @@ gfc_conv_remap_descriptor (stmtblock_t *block, tree dest, int dest_rank,
}
static bool
element_size_known (tree desc)
{
tree type = TREE_TYPE (desc);
gcc_assert (GFC_DESCRIPTOR_TYPE_P (type)
|| GFC_ARRAY_TYPE_P (type));
tree elt_type = gfc_get_element_type (TREE_TYPE (desc));
tree size = TYPE_SIZE_UNIT (elt_type);
return size && TREE_CODE (size) == INTEGER_CST;
}
void
gfc_set_descriptor (stmtblock_t *block, tree dest, tree src, gfc_expr *src_expr,
int rank, int corank, gfc_ss *ss, gfc_array_info *info,
@ -2312,12 +2326,29 @@ gfc_set_descriptor (stmtblock_t *block, tree dest, tree src, gfc_expr *src_expr,
tmp2 = build_fold_indirect_ref_loc (input_location, tmp2);
dtype = gfc_conv_descriptor_dtype_get (tmp2);
}
else if (src_expr->rank != -1
&& src_expr->ts.type == BT_CHARACTER
&& src_expr->ts.deferred
&& !element_size_known (dest))
{
bool bytes_strides = GFC_BYTES_STRIDES_ARRAY_TYPE_P (TREE_TYPE (dest));
dtype = get_dtype_rank_type_size (src_expr->rank, BT_CHARACTER,
bytes_strides, NULL_TREE);
}
else
dtype = gfc_get_dtype (TREE_TYPE (dest));
gfc_conv_descriptor_dtype_set (block, dest, dtype);
if (src_expr->ts.type == BT_CLASS)
gfc_conv_descriptor_elem_len_set (block, dest, span);
else if (src_expr->rank != -1
&& src_expr->ts.type == BT_CHARACTER
&& src_expr->ts.deferred
&& !element_size_known (dest))
{
tree elem_len = gfc_conv_descriptor_elem_len_get (src);
gfc_conv_descriptor_elem_len_set (block, dest, elem_len);
}
/* The 1st element in the section. */
tree base = gfc_index_zero_node;
@ -2400,20 +2431,6 @@ gfc_set_descriptor (stmtblock_t *block, tree dest, tree src, gfc_expr *src_expr,
&offset);
}
/* For deferred-length character we need to take the dynamic length
into account for the dataptr offset. */
if (src_expr->ts.type == BT_CHARACTER
&& src_expr->ts.deferred
&& src_expr->ts.u.cl->backend_decl
&& VAR_P (src_expr->ts.u.cl->backend_decl)
&& !GFC_BYTES_STRIDES_ARRAY_TYPE_P (TREE_TYPE (src)))
{
tree base_type = TREE_TYPE (base);
base = fold_build2_loc (input_location, MULT_EXPR, base_type, base,
fold_convert (base_type,
src_expr->ts.u.cl->backend_decl));
}
for (int n = rank; n < rank + corank; n++)
{
tree from = lowers[n];