https://gcc.gnu.org/g:bee5a77a6b916dfa5ff522d58478f6ef2eedbe2c

commit bee5a77a6b916dfa5ff522d58478f6ef2eedbe2c
Author: Mikael Morin <mik...@gcc.gnu.org>
Date:   Fri Jan 17 17:25:59 2025 +0100

    Factorisation gfc_set_contiguous_descriptor

Diff:
---
 gcc/fortran/trans-array.cc      | 40 ++++++++++++----------------------------
 gcc/fortran/trans-descriptor.cc | 16 ++++++++++++++++
 gcc/fortran/trans-descriptor.h  |  2 ++
 3 files changed, 30 insertions(+), 28 deletions(-)

diff --git a/gcc/fortran/trans-array.cc b/gcc/fortran/trans-array.cc
index c76dd32fb95a..f071a5fc9220 100644
--- a/gcc/fortran/trans-array.cc
+++ b/gcc/fortran/trans-array.cc
@@ -9466,32 +9466,6 @@ structure_alloc_comps (gfc_symbol * der_type, tree decl, 
tree dest,
              ubound = build_int_cst (gfc_array_index_type, 1);
            }
 
-         /* Treat strings like arrays.  Or the other way around, do not
-          * generate an additional array layer for scalar components.  */
-         if (attr->dimension || c->ts.type == BT_CHARACTER)
-           {
-             cdesc = gfc_get_array_type_bounds (tmp, 1, 0, &gfc_index_one_node,
-                                                &ubound, 1,
-                                                GFC_ARRAY_ALLOCATABLE, false);
-
-             cdesc = gfc_create_var (cdesc, "cdesc");
-             DECL_ARTIFICIAL (cdesc) = 1;
-
-             gfc_conv_descriptor_dtype_set (&tmpblock, cdesc,
-                                            gfc_get_dtype_rank_type (1, tmp));
-             gfc_conv_descriptor_lbound_set (&tmpblock, cdesc,
-                                             gfc_index_zero_node,
-                                             gfc_index_one_node);
-             gfc_conv_descriptor_stride_set (&tmpblock, cdesc,
-                                             gfc_index_zero_node,
-                                             gfc_index_one_node);
-             gfc_conv_descriptor_ubound_set (&tmpblock, cdesc,
-                                             gfc_index_zero_node, ubound);
-           }
-         else
-           /* Prevent warning.  */
-           cdesc = NULL_TREE;
-
          if (attr->dimension)
            {
              if (GFC_DESCRIPTOR_TYPE_P (TREE_TYPE (comp)))
@@ -9514,13 +9488,23 @@ structure_alloc_comps (gfc_symbol * der_type, tree 
decl, tree dest,
              gfc_add_block_to_block (&tmpblock, &se.pre);
            }
 
+         /* Treat strings like arrays.  Or the other way around, do not
+          * generate an additional array layer for scalar components.  */
          if (attr->dimension || c->ts.type == BT_CHARACTER)
-           gfc_conv_descriptor_data_set (&tmpblock, cdesc, comp);
+           {
+             cdesc = gfc_get_array_type_bounds (tmp, 1, 0, &gfc_index_one_node,
+                                                &ubound, 1,
+                                                GFC_ARRAY_ALLOCATABLE, false);
+
+             cdesc = gfc_create_var (cdesc, "cdesc");
+             DECL_ARTIFICIAL (cdesc) = 1;
+
+             gfc_set_contiguous_descriptor (&tmpblock, cdesc, ubound, comp);
+           }
          else
            cdesc = comp;
 
          tree fndecl;
-
          fndecl = build_call_expr_loc (input_location,
                                        gfor_fndecl_co_broadcast, 5,
                                        gfc_build_addr_expr 
(pvoid_type_node,cdesc),
diff --git a/gcc/fortran/trans-descriptor.cc b/gcc/fortran/trans-descriptor.cc
index bf799fb3e467..91b71679dc9c 100644
--- a/gcc/fortran/trans-descriptor.cc
+++ b/gcc/fortran/trans-descriptor.cc
@@ -1343,3 +1343,19 @@ gfc_set_descriptor (stmtblock_t *block, tree dest, tree 
src, gfc_expr *src_expr,
 }
  
 
+void
+gfc_set_contiguous_descriptor (stmtblock_t *block, tree desc, tree size,
+                              tree data_ptr)
+{
+  gfc_conv_descriptor_dtype_set (block, desc,
+                               gfc_get_dtype_rank_type (1, TREE_TYPE (desc)));
+  gfc_conv_descriptor_lbound_set (block, desc,
+                                 gfc_index_zero_node,
+                                 gfc_index_one_node);
+  gfc_conv_descriptor_stride_set (block, desc,
+                                 gfc_index_zero_node,
+                                 gfc_index_one_node);
+  gfc_conv_descriptor_ubound_set (block, desc,
+                                 gfc_index_zero_node, size);
+  gfc_conv_descriptor_data_set (block, desc, data_ptr);
+}
diff --git a/gcc/fortran/trans-descriptor.h b/gcc/fortran/trans-descriptor.h
index 884cd0d11a02..70238dd1001e 100644
--- a/gcc/fortran/trans-descriptor.h
+++ b/gcc/fortran/trans-descriptor.h
@@ -111,5 +111,7 @@ void gfc_copy_descriptor (stmtblock_t *, tree, tree, 
gfc_expr *, bool);
 void gfc_set_descriptor (stmtblock_t *, tree, tree, gfc_expr *, int, int,
                         gfc_ss *, gfc_array_info *, tree [GFC_MAX_DIMENSIONS],
                         tree [GFC_MAX_DIMENSIONS], bool, bool, bool);
+void gfc_set_contiguous_descriptor (stmtblock_t *, tree, tree, tree);
+
 
 #endif /* GFC_TRANS_DESCRIPTOR_H */

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