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/* Definitions of target machine for GNU compiler, OR1K cpu.

   Copyright (C) 2010 Embecosm Limited

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/>.  */

#ifndef GCC_OR1K_PROTOS_H

#define GCC_OR1K_PROTOS_H

/* The following are for general support. */

extern int         or1k_trampoline_code_size (void);

/* The following are only needed when handling the machine definition. */

#ifdef RTX_CODE

extern void        or1k_init_expanders (void);

extern void        or1k_expand_prologue (void);

extern void        or1k_expand_epilogue (void);

extern bool        or1k_expand_move (enum machine_mode mode, rtx operands[]);

extern const char *or1k_output_move_double (rtx *operands);

extern void        or1k_expand_conditional_branch (rtx               *operands,

                                                   enum machine_mode  mode);

extern int         or1k_emit_cmove (rtx  dest,

                                    rtx  op,

                                    rtx  true_cond,

                                    rtx  false_cond);

extern enum machine_mode or1k_select_cc_mode (enum rtx_code op);

extern const char *or1k_output_bf (rtx * operands);

extern const char *or1k_output_cmov (rtx * operands);

extern void        or1k_emit_set_const32 (rtx  op0,

                                          rtx  op1);

extern bool        or1k_expand_symbol_ref (enum machine_mode mode,

                                           rtx operands[]);

#endif

#endif

extern int or1k_struct_alignment (tree);

extern int or1k_data_alignment (tree, int);

extern int or1k_initial_elimination_offset (int, int);

extern bool or1k_save_reg_p_cached (int regno);

extern void or1k_print_jump_restore (rtx jump_address);

extern rtx or1k_eh_return_handler_rtx (void);

extern rtx or1k_return_addr_rtx (int, rtx);

extern int or1k_legitimate_pic_operand_p (rtx x);

/* For RETURN_ADDR_RTX */

extern rtx get_hard_reg_initial_val (enum machine_mode, unsigned int);