loop.c (check_final_value): Don't miss a biv increment in a parallel.

        * loop.c (check_final_value): Don't miss a biv increment in a
        parallel.

From-SVN: r14947

gcc/ChangeLog

+Tue Aug 26 17:54:56 1997  Michael P. Hayes  (michaelh@ongaonga.chch.cri.nz>
+
+	* loop.c (check_final_value): Don't miss a biv increment in a
+	parallel.
+
 Tue Aug 26 12:03:49 1997  Jim Wilson  (wilson@cygnus.com)
 
 	* dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check

gcc/loop.c

@@ -4894,8 +4894,7 @@ check_final_value (v, loop_start, loop_end)
 		      break;
 		    }
 		}
-	      else if (GET_CODE (PATTERN (p)) == SET
-		       && SET_DEST (PATTERN (p)) == v->src_reg)
+	      else if (reg_set_p (v->src_reg, PATTERN (p)))
 		biv_increment_seen = 1;
 	      else if (reg_mentioned_p (v->dest_reg, PATTERN (p)))
 		last_giv_use = p;