Index: combine.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/combine.c,v
retrieving revision 1.503
diff -c -p -r1.503 combine.c
*** combine.c	26 Aug 2005 21:52:23 -0000	1.503
--- combine.c	26 Sep 2005 16:01:23 -0000
*************** make_extraction (enum machine_mode mode,
*** 6314,6320 ****
  
  		  /* Avoid creating invalid subregs, for example when
  		     simplifying (x>>32)&255.  */
! 		  if (final_word >= GET_MODE_SIZE (inner_mode))
  		    return NULL_RTX;
  
  		  new = gen_rtx_SUBREG (tmode, inner, final_word);
--- 6314,6320 ----
  
  		  /* Avoid creating invalid subregs, for example when
  		     simplifying (x>>32)&255.  */
! 		  if (!validate_subreg (tmode, inner_mode, inner, final_word))
  		    return NULL_RTX;
  
  		  new = gen_rtx_SUBREG (tmode, inner, final_word);