extern void add_function_usage_to (rtx, rtx);
extern rtx last_call_insn (void);
extern rtx previous_insn (rtx);
-extern const_rtx const_previous_insn (const_rtx);
extern rtx next_insn (rtx);
-extern const_rtx const_next_insn (const_rtx);
extern rtx prev_nonnote_insn (rtx);
-extern const_rtx const_prev_nonnote_insn (const_rtx);
extern rtx next_nonnote_insn (rtx);
-extern const_rtx const_next_nonnote_insn (const_rtx);
extern rtx prev_real_insn (rtx);
-extern const_rtx const_prev_real_insn (const_rtx);
extern rtx next_real_insn (rtx);
-extern const_rtx const_next_real_insn (const_rtx);
extern rtx prev_active_insn (rtx);
-extern const_rtx const_prev_active_insn (const_rtx);
extern rtx next_active_insn (rtx);
-extern const_rtx const_next_active_insn (const_rtx);
extern int active_insn_p (const_rtx);
extern rtx prev_label (rtx);
-extern const_rtx const_prev_label (const_rtx);
extern rtx next_label (rtx);
-extern const_rtx const_next_label (const_rtx);
extern rtx skip_consecutive_labels (rtx);
extern rtx next_cc0_user (rtx);
extern rtx prev_cc0_setter (rtx);
extern int in_sequence_p (void);
extern void force_next_line_note (void);
extern void init_emit (void);
+extern void init_emit_regs (void);
extern void init_emit_once (int);
extern void push_topmost_sequence (void);
extern void pop_topmost_sequence (void);
extern int reg_classes_intersect_p (enum reg_class, enum reg_class);
extern int reg_class_subset_p (enum reg_class, enum reg_class);
extern void globalize_reg (int);
-extern void init_reg_modes_once (void);
+extern void init_reg_modes_target (void);
extern void init_regs (void);
extern void init_fake_stack_mems (void);
+extern void save_register_info (void);
extern void init_reg_sets (void);
extern void regclass (rtx, int);
extern void reg_scan (rtx, unsigned int);
extern int read_dependence (const_rtx, const_rtx);
extern int anti_dependence (const_rtx, const_rtx);
extern int output_dependence (const_rtx, const_rtx);
-extern void init_alias_once (void);
+extern void init_alias_target (void);
extern void init_alias_analysis (void);
extern void end_alias_analysis (void);
extern bool memory_modified_in_insn_p (const_rtx, const_rtx);