+2013-08-12 Marek Polacek <polacek@redhat.com>
+ Marc Glisse <marc.glisse@inria.fr>
+
+ PR tree-optimization/57980
+ * tree-tailcall.c (process_assignment): Call build_minus_one_cst
+ when creating -1 constant.
+
2013-08-10 Jan Hubicka <jh@suse.cz>
Workaround binutils PR14342.
+2013-08-12 Marek Polacek <polacek@redhat.com>
+
+ PR tree-optimization/57980
+ * gcc.dg/pr57980.c: New test.
+
2013-08-12 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/56666
--- /dev/null
+/* PR tree-optimization/57980 */
+/* { dg-do compile } */
+/* { dg-options "-O -foptimize-sibling-calls" } */
+
+typedef int V __attribute__ ((vector_size (sizeof (int))));
+extern V f (void);
+
+V
+bar (void)
+{
+ return -f ();
+}
+
+V
+foo (void)
+{
+ V v = { };
+ return v - f ();
+}
return true;
case NEGATE_EXPR:
- if (FLOAT_TYPE_P (TREE_TYPE (op0)))
- *m = build_real (TREE_TYPE (op0), dconstm1);
- else
- *m = build_int_cst (TREE_TYPE (op0), -1);
-
+ *m = build_minus_one_cst (TREE_TYPE (op0));
*ass_var = dest;
return true;
*a = fold_build1 (NEGATE_EXPR, TREE_TYPE (non_ass_var), non_ass_var);
else
{
- if (FLOAT_TYPE_P (TREE_TYPE (non_ass_var)))
- *m = build_real (TREE_TYPE (non_ass_var), dconstm1);
- else
- *m = build_int_cst (TREE_TYPE (non_ass_var), -1);
-
+ *m = build_minus_one_cst (TREE_TYPE (non_ass_var));
*a = fold_build1 (NEGATE_EXPR, TREE_TYPE (non_ass_var), non_ass_var);
}