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-rw-r--r--gcc/fortran/ChangeLog6
-rw-r--r--gcc/fortran/trans-array.c12
2 files changed, 10 insertions, 8 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 16b8eb0..2293c9a 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2019-02-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/43210
+ * trans-array.c (gfc_conv_array_initializer): Use RANGE_EXPR instead
+ of duplicating the initializer possibly many times.
+
2019-02-24 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/89174
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index f15d3a37..6192e68 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -5986,7 +5986,6 @@ gfc_conv_array_initializer (tree type, gfc_expr * expr)
{
gfc_constructor *c;
tree tmp;
- offset_int wtmp;
gfc_se se;
tree index, range;
vec<constructor_elt, va_gc> *v = NULL;
@@ -6009,13 +6008,10 @@ gfc_conv_array_initializer (tree type, gfc_expr * expr)
else
gfc_conv_structure (&se, expr, 1);
- wtmp = wi::to_offset (TYPE_MAX_VALUE (TYPE_DOMAIN (type))) + 1;
- /* This will probably eat buckets of memory for large arrays. */
- while (wtmp != 0)
- {
- CONSTRUCTOR_APPEND_ELT (v, NULL_TREE, se.expr);
- wtmp -= 1;
- }
+ CONSTRUCTOR_APPEND_ELT (v, build2 (RANGE_EXPR, gfc_array_index_type,
+ TYPE_MIN_VALUE (TYPE_DOMAIN (type)),
+ TYPE_MAX_VALUE (TYPE_DOMAIN (type))),
+ se.expr);
break;
case EXPR_ARRAY: