https://gcc.gnu.org/g:23232b961202b198efbe8fe3f584aaec5af36973
commit 23232b961202b198efbe8fe3f584aaec5af36973
Author: Mikael Morin <mik...@gcc.gnu.org>
Date: Wed Jul 16 21:39:51 2025 +0200
Extraction gfc_conv_shift_descriptor
Suppression variable inutilisée
Diff:
---
gcc/fortran/trans-descriptor.cc | 40 ++++++++++++++++++++++++++++++++++++++++
gcc/fortran/trans-descriptor.h | 1 +
gcc/fortran/trans-expr.cc | 36 +-----------------------------------
3 files changed, 42 insertions(+), 35 deletions(-)
diff --git a/gcc/fortran/trans-descriptor.cc b/gcc/fortran/trans-descriptor.cc
index 3a95b8e36bdd..7b3966578b7e 100644
--- a/gcc/fortran/trans-descriptor.cc
+++ b/gcc/fortran/trans-descriptor.cc
@@ -1089,3 +1089,43 @@ gfc_conv_remap_descriptor (stmtblock_t *block, tree
dest, int dest_rank,
gfc_array_index_type, stride, tmp);
}
}
+
+
+void
+gfc_conv_shift_descriptor (stmtblock_t *block, tree dest, tree src,
+ int rank, tree zero_cond)
+{
+ tree tmp = gfc_conv_descriptor_data_get (src);
+ gfc_conv_descriptor_data_set (block, dest, tmp);
+
+ tree offset = gfc_index_zero_node;
+ for (int n = 0 ; n < rank; n++)
+ {
+ tree lbound = gfc_conv_descriptor_lbound_get (dest, gfc_rank_cst[n]);
+ lbound = fold_build3_loc (input_location, COND_EXPR,
+ gfc_array_index_type, zero_cond,
+ gfc_index_one_node, lbound);
+ lbound = gfc_evaluate_now (lbound, block);
+
+ tmp = gfc_conv_descriptor_ubound_get (src, gfc_rank_cst[n]);
+ tmp = fold_build2_loc (input_location, PLUS_EXPR,
+ gfc_array_index_type, tmp, lbound);
+ gfc_conv_descriptor_lbound_set (block, dest,
+ gfc_rank_cst[n], lbound);
+ gfc_conv_descriptor_ubound_set (block, dest,
+ gfc_rank_cst[n], tmp);
+
+ /* Set stride and accumulate the offset. */
+ tmp = gfc_conv_descriptor_stride_get (src, gfc_rank_cst[n]);
+ gfc_conv_descriptor_stride_set (block, dest,
+ gfc_rank_cst[n], tmp);
+ tmp = fold_build2_loc (input_location, MULT_EXPR,
+ gfc_array_index_type, lbound, tmp);
+ offset = fold_build2_loc (input_location, MINUS_EXPR,
+ gfc_array_index_type, offset, tmp);
+ offset = gfc_evaluate_now (offset, block);
+ }
+
+ gfc_conv_descriptor_offset_set (block, dest, offset);
+}
+
diff --git a/gcc/fortran/trans-descriptor.h b/gcc/fortran/trans-descriptor.h
index c6bf32fb2fbb..d6bf559b39ef 100644
--- a/gcc/fortran/trans-descriptor.h
+++ b/gcc/fortran/trans-descriptor.h
@@ -102,6 +102,7 @@ void gfc_conv_shift_descriptor (stmtblock_t *, tree, const
gfc_array_ref &);
void gfc_copy_sequence_descriptor (stmtblock_t *, tree, tree, int);
void gfc_conv_remap_descriptor (stmtblock_t *, tree, int, tree, int,
gfc_array_ref *);
+void gfc_conv_shift_descriptor (stmtblock_t *, tree, tree, int, tree);
void gfc_init_descriptor_variable (stmtblock_t *block, gfc_symbol *sym, tree
descr);
void gfc_init_static_descriptor (tree descr);
diff --git a/gcc/fortran/trans-expr.cc b/gcc/fortran/trans-expr.cc
index ac99e249130a..3ad0088168ab 100644
--- a/gcc/fortran/trans-expr.cc
+++ b/gcc/fortran/trans-expr.cc
@@ -11575,7 +11575,6 @@ fcncall_realloc_result (gfc_se *se, int rank, tree
dtype)
tree desc;
tree res_desc;
tree tmp;
- tree offset;
tree zero_cond;
tree not_same_shape;
stmtblock_t shape_block;
@@ -11608,9 +11607,6 @@ fcncall_realloc_result (gfc_se *se, int rank, tree
dtype)
tmp = gfc_call_free (tmp);
gfc_add_expr_to_block (&se->post, tmp);
- tmp = gfc_conv_descriptor_data_get (res_desc);
- gfc_conv_descriptor_data_set (&se->post, desc, tmp);
-
/* Check that the shapes are the same between lhs and expression.
The evaluation of the shape is done in 'shape_block' to avoid
unitialized warnings from the lhs bounds. */
@@ -11654,37 +11650,7 @@ fcncall_realloc_result (gfc_se *se, int rank, tree
dtype)
/* Now reset the bounds returned from the function call to bounds based
on the lhs lbounds, except where the lhs is not allocated or the shapes
of 'variable and 'expr' are different. Set the offset accordingly. */
- offset = gfc_index_zero_node;
- for (n = 0 ; n < rank; n++)
- {
- tree lbound;
-
- lbound = gfc_conv_descriptor_lbound_get (desc, gfc_rank_cst[n]);
- lbound = fold_build3_loc (input_location, COND_EXPR,
- gfc_array_index_type, zero_cond,
- gfc_index_one_node, lbound);
- lbound = gfc_evaluate_now (lbound, &se->post);
-
- tmp = gfc_conv_descriptor_ubound_get (res_desc, gfc_rank_cst[n]);
- tmp = fold_build2_loc (input_location, PLUS_EXPR,
- gfc_array_index_type, tmp, lbound);
- gfc_conv_descriptor_lbound_set (&se->post, desc,
- gfc_rank_cst[n], lbound);
- gfc_conv_descriptor_ubound_set (&se->post, desc,
- gfc_rank_cst[n], tmp);
-
- /* Set stride and accumulate the offset. */
- tmp = gfc_conv_descriptor_stride_get (res_desc, gfc_rank_cst[n]);
- gfc_conv_descriptor_stride_set (&se->post, desc,
- gfc_rank_cst[n], tmp);
- tmp = fold_build2_loc (input_location, MULT_EXPR,
- gfc_array_index_type, lbound, tmp);
- offset = fold_build2_loc (input_location, MINUS_EXPR,
- gfc_array_index_type, offset, tmp);
- offset = gfc_evaluate_now (offset, &se->post);
- }
-
- gfc_conv_descriptor_offset_set (&se->post, desc, offset);
+ gfc_conv_shift_descriptor (&se->post, desc, res_desc, rank, zero_cond);
}
