* combine.c (subst): Be prepared for simplify_subreg to return VOIDmode.

From-SVN: r54839

gcc/ChangeLog

+Thu Jun 20 17:25:29 CEST 2002  JAn HUbicka  <jh@suse.cz>
+
+	* combine.c (subst): Be prepared for simplify_subreg to return VOIDmode.
+
 2002-06-20  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	* config/sol2.h: New file.

gcc/combine.c

@@ -3533,14 +3533,13 @@ subst (x, from, to, in_dest, unique_copy)
 
 	      if (GET_CODE (new) == CONST_INT && GET_CODE (x) == SUBREG)
 		{
-		  if (VECTOR_MODE_P (GET_MODE (x)))
-		    return gen_rtx_CLOBBER (VOIDmode, const0_rtx);
+		  enum machine_mode mode = GET_MODE (x);
 
 		  x = simplify_subreg (GET_MODE (x), new,
 				       GET_MODE (SUBREG_REG (x)),
 				       SUBREG_BYTE (x));
 		  if (! x)
-		    abort ();
+		    x = gen_rtx_CLOBBER (mode, const0_rtx);
 		}
 	      else if (GET_CODE (new) == CONST_INT
 		       && GET_CODE (x) == ZERO_EXTEND)