re PR rtl-optimization/11210 (optimizer drops conditional with typecast from…

re PR rtl-optimization/11210 (optimizer drops conditional with typecast from signed to unsigned char)

	PR optimization/11210
	* fold-const (decode_field_reference): Revert 2003-06-26 patch.

From-SVN: r68662

gcc/ChangeLog

+2003-06-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	PR optimization/11210
+	* fold-const (decode_field_reference): Revert 2003-06-26 patch.
+
 2003-06-29  Neil Booth  <neil@daikokuya.co.uk>
 
 	* toplev.c (flag_dummy): Remove.

gcc/fold-const.c

@@ -2742,8 +2742,7 @@ decode_field_reference (exp, pbitsize, pbitpos, pmode, punsignedp,
   if (! INTEGRAL_TYPE_P (TREE_TYPE (exp)))
     return 0;
 
-  /* Signedness matters here.  */
-  STRIP_SIGN_NOPS (exp);
+  STRIP_NOPS (exp);
 
   if (TREE_CODE (exp) == BIT_AND_EXPR)
     {