tree-vrp.c (extract_range_from_binary_expr): Remove handling of TRUTH_XOR_EPR.

	* tree-vrp.c (extract_range_from_binary_expr): Remove handling of
	TRUTH_XOR_EPR.

From-SVN: r110938

gcc/ChangeLog

+2006-02-13  Jeff Law  <law@redhat.com>
+
+	* tree-vrp.c (extract_range_from_binary_expr): Remove handling of
+	TRUTH_XOR_EPR.
+
 2006-02-13  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/26092

gcc/tree-vrp.c

@@ -1278,8 +1278,7 @@ extract_range_from_binary_expr (value_range_t *vr, tree expr)
       && code != TRUTH_ANDIF_EXPR
       && code != TRUTH_ORIF_EXPR
       && code != TRUTH_AND_EXPR
-      && code != TRUTH_OR_EXPR
-      && code != TRUTH_XOR_EXPR)
+      && code != TRUTH_OR_EXPR)
     {
       set_value_range_to_varying (vr);
       return;
@@ -1365,8 +1364,7 @@ extract_range_from_binary_expr (value_range_t *vr, tree expr)
   if (code == TRUTH_ANDIF_EXPR
       || code == TRUTH_ORIF_EXPR
       || code == TRUTH_AND_EXPR
-      || code == TRUTH_OR_EXPR
-      || code == TRUTH_XOR_EXPR)
+      || code == TRUTH_OR_EXPR)
     {
       /* If one of the operands is zero, we know that the whole
 	 expression evaluates zero.  */