Makefile.in (toplev.o): Depend on loop.h.

	* Makefile.in (toplev.o): Depend on loop.h.

	* dwarfout.c: Include tm_p.h.

	* emit-rtl.c (restore_emit_status): Mark parameter with
	ATTRIBUTE_UNUSED.

	* final.c (final_scan_insn): Likewise.

	* flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
	flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
	flow_depth_first_order_compute, flow_loop_pre_header_find,
	flow_loop_tree_node_add, flow_loops_tree_build,
	flow_loop_level_compute, flow_loops_level_compute,
	flow_loop_outside_edge_p): Add prototypes.
	(recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.

	* ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
	Mark with ATTRIBUTE_NORETURN.

	* hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.

	* local-alloc.c (no_conflict_p): Likewise.

	* loop.c (insert_bct): Hide definitions of variables with hidden
	usage.
	(note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.

	* regclass.c (memory_move_secondary_cost): Mark variable `mem'
	with ATTRIBUTE_UNUSED.
	(record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
	(reg_scan): Likewise.

	* reload.c (find_reloads): Remove unused variables `changed'.

	* reload1.c (reload_reg_class_lower): Don't unnecessarily cast
	away const-ness.
	(allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
	Remove unused variable `insn'.

	* toplev.c: Include loop.h.
	(report_file_and_line): Remove unnecessary prototype.

	* tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.

	* unroll.c (biv_total_increment): Likewise.

From-SVN: r31085

1 files changed, 3 insertions, 1 deletions

diff --git a/gcc/loop.c b/gcc/loop.c
index ff22cbd..7f186c6 100644
--- a/gcc/loop.c
+++ b/gcc/loop.c
@@ -9344,6 +9344,7 @@ insert_bct (loop_start, loop_end, loop_info)
   int i;
   unsigned HOST_WIDE_INT n_iterations;
 
+#if 0
   int increment_direction, compare_direction;
 
   /* If the loop condition is <= or >=, the number of iteration
@@ -9351,6 +9352,7 @@ insert_bct (loop_start, loop_end, loop_info)
   int add_iteration = 0;
 
   enum machine_mode loop_var_mode = word_mode;
+#endif
 
   int loop_num = uid_loop_num [INSN_UID (loop_start)];
 
@@ -10020,7 +10022,7 @@ struct note_reg_stored_arg
    is equal to ARG.  */
 static void
 note_reg_stored (x, setter, arg)
-     rtx x, setter;
+     rtx x, setter ATTRIBUTE_UNUSED;
      void *arg;
 {
   struct note_reg_stored_arg *t = (struct note_reg_stored_arg *)arg;