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/* Definitions of target machine for GNU compiler.  Sun 68000/68020 version.

   Copyright (C) 2000, 2002, 2004, 2005, 2006, 2007, 2008

   Free Software Foundation, Inc.

This file is part of GCC.

GCC is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License as published by

the Free Software Foundation; either version 3, or (at your option)

any later version.

GCC is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with GCC; see the file COPYING3.  If not see

<http://www.gnu.org/licenses/>.  */

/* Define functions defined in aux-output.c and used in templates.  */

#ifdef RTX_CODE

extern enum m68k_function_kind m68k_get_function_kind (tree);

extern HOST_WIDE_INT m68k_initial_elimination_offset (int from, int to);

extern void split_di (rtx[], int, rtx[], rtx[]);

extern bool valid_mov3q_const (HOST_WIDE_INT);

extern const char *output_move_simode (rtx *);

extern const char *output_move_himode (rtx *);

extern const char *output_move_qimode (rtx *);

extern const char *output_move_stricthi (rtx *);

extern const char *output_move_strictqi (rtx *);

extern const char *output_move_double (rtx *);

extern const char *output_move_const_single (rtx *);

extern const char *output_move_const_double (rtx *);

extern const char *output_btst (rtx *, rtx, rtx, rtx, int);

extern const char *output_scc_di (rtx, rtx, rtx, rtx);

extern const char *output_addsi3 (rtx *);

extern const char *output_andsi3 (rtx *);

extern const char *output_iorsi3 (rtx *);

extern const char *output_xorsi3 (rtx *);

extern const char *output_call (rtx);

extern const char *output_sibcall (rtx);

extern void output_dbcc_and_branch (rtx *);

extern int floating_exact_log2 (rtx);

extern bool strict_low_part_peephole_ok (enum machine_mode mode, rtx first_insn, rtx target);

/* Functions from m68k.c used in macros.  */

extern int standard_68881_constant_p (rtx);

extern void print_operand_address (FILE *, rtx);

extern void print_operand (FILE *, rtx, int);

extern bool m68k_output_addr_const_extra (FILE *, rtx);

extern void notice_update_cc (rtx, rtx);

extern bool m68k_legitimate_base_reg_p (rtx, bool);

extern bool m68k_legitimate_index_reg_p (rtx, bool);

extern bool m68k_illegitimate_symbolic_constant_p (rtx);

extern bool m68k_matches_q_p (rtx);

extern bool m68k_matches_u_p (rtx);

extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);

extern rtx m68k_legitimize_tls_address (rtx);

extern bool m68k_tls_reference_p (rtx, bool);

extern int valid_dbcc_comparison_p_2 (rtx, enum machine_mode);

extern rtx m68k_libcall_value (enum machine_mode);

extern rtx m68k_function_value (const_tree, const_tree);

extern int emit_move_sequence (rtx *, enum machine_mode, rtx);

extern bool m68k_movem_pattern_p (rtx, rtx, HOST_WIDE_INT, bool);

extern const char *m68k_output_movem (rtx *, rtx, HOST_WIDE_INT, bool);

extern void m68k_final_prescan_insn (rtx, rtx *, int);

/* Functions from m68k.c used in constraints.md.  */

extern rtx m68k_unwrap_symbol (rtx, bool);

/* Functions from m68k.c used in genattrtab.  */

#ifdef HAVE_ATTR_cpu

extern enum attr_cpu m68k_sched_cpu;

extern enum attr_mac m68k_sched_mac;

extern enum attr_opx_type m68k_sched_attr_opx_type (rtx, int);

extern enum attr_opy_type m68k_sched_attr_opy_type (rtx, int);

extern enum attr_size m68k_sched_attr_size (rtx);

extern enum attr_op_mem m68k_sched_attr_op_mem (rtx);

extern enum attr_type m68k_sched_branch_type (rtx);

#endif /* HAVE_ATTR_cpu */

#endif /* RTX_CODE */

extern bool m68k_regno_mode_ok (int, enum machine_mode);

extern enum reg_class m68k_secondary_reload_class (enum reg_class,

                                                   enum machine_mode, rtx);

extern enum reg_class m68k_preferred_reload_class (rtx, enum reg_class);

extern int flags_in_68881 (void);

extern void m68k_expand_prologue (void);

extern bool m68k_use_return_insn (void);

extern void m68k_expand_epilogue (bool);

extern void override_options (void);

extern const char *m68k_cpp_cpu_ident (const char *);

extern const char *m68k_cpp_cpu_family (const char *);

extern void init_68881_table (void);

extern rtx m68k_legitimize_call_address (rtx);

extern rtx m68k_legitimize_sibcall_address (rtx);

extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int);