From: Richard Kenner <kenner@gcc.gnu.org>
Date: Fri, 21 Apr 1995 12:11:06 +0000 (-0400)
Subject: (integer_all_onesp): Test to size of mode, not TYPE_PRECISION.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8980b5a34d2d8953f64fe6ca428dd2fa00969aab;p=gcc.git

(integer_all_onesp): Test to size of mode, not TYPE_PRECISION.

From-SVN: r9427
---

diff --git a/gcc/tree.c b/gcc/tree.c
index 3310e88bd76..1b32348c7e5 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -1530,7 +1530,9 @@ integer_all_onesp (expr)
   if (!uns)
     return TREE_INT_CST_LOW (expr) == -1 && TREE_INT_CST_HIGH (expr) == -1;
 
-  prec = TYPE_PRECISION (TREE_TYPE (expr));
+  /* Note that using TYPE_PRECISION here is wrong.  We care about the
+     actual bits, not the (arbitrary) range of the type.  */
+  prec = GET_MODE_BITSIZE (TYPE_MODE (TREE_TYPE (expr)));
   if (prec >= HOST_BITS_PER_WIDE_INT)
     {
       int high_value, shift_amount;