fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c if T is a boolean type.

2002-05-24  Andrew Haley  <aph@redhat.com>

        * fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c
        if T is a boolean type.

From-SVN: r53929

gcc/ChangeLog

+2002-05-24  Andrew Haley  <aph@redhat.com>
+
+	* fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c
+	if T is a boolean type.
+
 2002-05-27  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
 
 	* basic-block.h (last_basic_block): Defined as synonym for

gcc/fold-const.c

@@ -4784,6 +4784,7 @@ fold (expr)
 	 constants (if x has signed type, the sign bit cannot be set
 	 in c).  This folds extension into the BIT_AND_EXPR.  */
       if (INTEGRAL_TYPE_P (TREE_TYPE (t))
+	  && TREE_CODE (TREE_TYPE (t)) != BOOLEAN_TYPE
 	  && TREE_CODE (TREE_OPERAND (t, 0)) == BIT_AND_EXPR
 	  && TREE_CODE (TREE_OPERAND (TREE_OPERAND (t, 0), 1)) == INTEGER_CST)
 	{