extern rtx make_insn_raw (rtx);
extern void add_function_usage_to (rtx, rtx);
extern rtx last_call_insn (void);
-extern rtx previous_insn (rtx);
-extern rtx next_insn (rtx);
-extern rtx prev_nonnote_insn (rtx);
-extern rtx prev_nonnote_insn_bb (rtx);
-extern rtx next_nonnote_insn (rtx);
-extern rtx next_nonnote_insn_bb (rtx);
-extern rtx prev_nondebug_insn (rtx);
-extern rtx next_nondebug_insn (rtx);
-extern rtx prev_nonnote_nondebug_insn (rtx);
-extern rtx next_nonnote_nondebug_insn (rtx);
-extern rtx prev_real_insn (rtx);
-extern rtx next_real_insn (rtx);
-extern rtx prev_active_insn (rtx);
-extern rtx next_active_insn (rtx);
+extern rtx_insn *previous_insn (rtx);
+extern rtx_insn *next_insn (rtx);
+extern rtx_insn *prev_nonnote_insn (rtx);
+extern rtx_insn *prev_nonnote_insn_bb (rtx);
+extern rtx_insn *next_nonnote_insn (rtx);
+extern rtx_insn *next_nonnote_insn_bb (rtx);
+extern rtx_insn *prev_nondebug_insn (rtx);
+extern rtx_insn *next_nondebug_insn (rtx);
+extern rtx_insn *prev_nonnote_nondebug_insn (rtx);
+extern rtx_insn *next_nonnote_nondebug_insn (rtx);
+extern rtx_insn *prev_real_insn (rtx);
+extern rtx_insn *next_real_insn (rtx);
+extern rtx_insn *prev_active_insn (rtx);
+extern rtx_insn *next_active_insn (rtx);
extern int active_insn_p (const_rtx);
extern rtx next_cc0_user (rtx);
extern rtx prev_cc0_setter (rtx);