t pointer arithmetics for function FUNC.  Otherwise
   return FALSE.  */
extern bool frame_offset_overflow (poly_int64, tree);

extern unsigned int spill_slot_alignment (machine_mode);

extern rtx assign_stack_local_1 (machine_mode, poly_int64, int, int);
extern rtx assign_stack_local (machine_mode, poly_int64, int);
extern rtx assign_stack_temp_for_type (machine_mode, poly_int64, tree);
extern rtx assign_stack_temp (machine_mode, poly_int64);
extern rtx assign_temp (tree, int, int);
extern void update_temp_slot_address (rtx, rtx);
extern void preserve_temp_slots (rtx);
extern void free_temp_slots (void);
extern void push_temp_slots (void);
extern void pop_temp_slots (void);
extern void init_temp_slots (void);
extern rtx get_hard_reg_initial_reg (rtx);
extern rtx get_hard_reg_initial_val (machine_mode, unsigned int);
extern rtx has_hard_reg_initial_val (machine_mode, unsigned int);

/* Called from gimple_expand_cfg.  */
extern unsigned int emit_initial_value_sets (void);

extern bool initial_value_entry (int i, rtx *, rtx *);
extern void instantiate_decl_rtl (rtx x);
extern int aggregate_value_p (const_tree, const_tree);
extern bool use_register_for_decl (const_tree);
extern gimple_seq gimplify_parameters (gimple_seq *);
extern void locate_and_pad_parm (machine_mode, tree, int, int, int,
				 tree, struct args_size *,
				 struct locate_and_pad_arg_data *);
extern void generate_setjmp_warnings (void);

/* Identify BLOCKs referenced by more than one NOTE_INSN_BLOCK_{BEG,END},
   and create duplicate blocks.  */
extern void reorder_blocks (void);
extern void clear_block_marks (tree);
extern tree blocks_nreverse (tree);
extern tree block_chainon (tree, tree);

/* Set BLOCK_NUMBER for all the blocks in FN.  */
extern void number_blocks (tree);

/* cfun shouldn't be set directly; use one of these functions instead.  */
extern void set_cfun (struct function *new_cfun, bool force = false);
extern void push_cfun (struct function *new_cfun);
extern void pop_cfun (void);

extern int get_next_funcdef_no (void);
extern int get_last_funcdef_no (void);
extern void allocate_struct_function (tree, bool);
extern void push_struct_function (tree fndecl);
extern void push_dummy_function (bool);
extern void pop_dummy_function (void);
extern void init_dummy_function_start (void);
extern void init_function_start (tree);
extern void stack_protect_epilogue (void);
extern void expand_function_start (tree);
extern void expand_dummy_function_end (void);

extern void thread_prologue_and_epilogue_insns (void);
extern void diddle_return_value (void (*)(rtx, void*), void*);
extern void clobber_return_register (void);
extern void expand_function_end (void);
extern rtx get_arg_pointer_save_area (void);
extern void maybe_copy_prologue_epilogue_insn (rtx, rtx);
extern int prologue_contains (const rtx_insn *);
extern int epilogue_contains (const rtx_insn *);
extern int prologue_epilogue_contains (const rtx_insn *);
extern void record_prologue_seq (rtx_insn *);
extern void record_epilogue_seq (rtx_insn *);
extern void emit_return_into_block (bool simple_p, basic_block bb);
extern void set_return_jump_label (rtx_insn *);
extern bool active_insn_between (rtx_insn *head, rtx_insn *tail);
extern vec<edge> convert_jumps_to_returns (basic_block last_bb, bool simple_p,
					   vec<edge> unconverted);
extern basic_block emit_return_for_exit (edge exit_fallthru_edge,
					 bool simple_p);
extern void reposition_prologue_and_epilogue_notes (void);

/* Returns the name of the current function.  */
extern const char *fndecl_name (tree);
extern const char *function_name (struct function *);
extern const char *current_function_name (void);

extern void used_types_insert (tree);

#endif  /* GCC_FUNCTION_H */