2015-12-11  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/68814
	* rtlanal.c (set_noop_p): Use BITS_BIG_ENDIAN instead of
	BYTES_BIG_ENDIAN.

--- gcc/rtlanal.c
+++ gcc/rtlanal.c
@@ -1534,7 +1534,7 @@ set_noop_p (const_rtx set)
 
   if (GET_CODE (dst) == ZERO_EXTRACT)
     return rtx_equal_p (XEXP (dst, 0), src)
-	   && ! BYTES_BIG_ENDIAN && XEXP (dst, 2) == const0_rtx
+	   && !BITS_BIG_ENDIAN && XEXP (dst, 2) == const0_rtx
 	   && !side_effects_p (src);
 
   if (GET_CODE (dst) == STRICT_LOW_PART)