*** empty log message ***

From-SVN: r1423

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index fac56021e9ae15f01ca05d47c2d9abf95e3119fb..ddd5614b539d9263a119c610ca13b75268f83bfd 100644 (file)
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -1405,8 +1405,17 @@ fold_convert (t, arg1)
            l = real_value_from_int_cst (TYPE_MIN_VALUE (type)),
            x = TREE_REAL_CST (arg1),
            u = real_value_from_int_cst (TYPE_MAX_VALUE (type));
-         if (! ((REAL_VALUES_LESS (l, x) || REAL_VALUES_EQUAL (l, x))
-                && (REAL_VALUES_LESS (x, u) || REAL_VALUES_EQUAL (x, u))))
+         /* See if X will be in range after truncation towards 0.
+            To compensate for truncation, move the bounds away from 0,
+            but reject if X exactly equals the adjusted bounds.  */
+#ifdef REAL_ARITHMETIC
+         REAL_ARITHMETIC (l, MINUS_EXPR, l, dconst1);
+         REAL_ARITHMETIC (u, PLUS_EXPR, u, dconst1);
+#else
+         l--;
+         u++;
+#endif
+         if (! (REAL_VALUES_LESS (l, x) && REAL_VALUES_LESS (x, u)))
            {
              warning ("real constant out of range for integer conversion");
              return t;