From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 1 Dec 1994 00:02:39 +0000 (-0500)
Subject: (fold_truthop): Delete BIT_AND_EXPR of constants with masks.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=db40b434fa3910039f78972ebfd1887462da3642;p=gcc.git

(fold_truthop): Delete BIT_AND_EXPR of constants with masks.

From-SVN: r8592
---

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 9b1a7b4775d..e5184c098cc 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -2841,14 +2841,12 @@ fold_truthop (code, truth_type, lhs, rhs)
       l_const = convert (unsigned_type (TREE_TYPE (l_const)), l_const);
       l_const = const_binop (LSHIFT_EXPR, convert (type, l_const),
 			     size_int (xll_bitpos), 0);
-      l_const = const_binop (BIT_AND_EXPR, l_const, ll_mask, 0);
     }
   if (r_const)
     {
       r_const = convert (unsigned_type (TREE_TYPE (r_const)), r_const);
       r_const = const_binop (LSHIFT_EXPR, convert (type, r_const),
 			     size_int (xrl_bitpos), 0);
-      r_const = const_binop (BIT_AND_EXPR, r_const, rl_mask, 0);
     }
 
   /* If the right sides are not constant, do the same for it.  Also,