/* Frv prototypes.
   Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005, 2007, 2008
   Free Software Foundation, Inc.
   Contributed by Red Hat, 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/>.  */

/* CPU type.  This must be identical to the cpu enumeration in frv.md.  */
typedef enum frv_cpu
{
  FRV_CPU_GENERIC,
  FRV_CPU_FR550,
  FRV_CPU_FR500,
  FRV_CPU_FR450,
  FRV_CPU_FR405,
  FRV_CPU_FR400,
  FRV_CPU_FR300,
  FRV_CPU_SIMPLE,
  FRV_CPU_TOMCAT
} frv_cpu_t;

extern frv_cpu_t frv_cpu_type;			/* value of -mcpu= */

/* Define functions defined in frv.c */
extern void frv_expand_prologue			(void);
extern void frv_expand_epilogue			(bool);
extern void frv_override_options		(void);
extern void frv_optimization_options		(int, int);
extern void frv_conditional_register_usage	(void);
extern frv_stack_t *frv_stack_info		(void);
extern void frv_debug_stack			(frv_stack_t *);
extern int frv_frame_pointer_required		(void);
extern int frv_initial_elimination_offset	(int, int);

#ifdef RTX_CODE
extern int frv_legitimate_address_p		(enum machine_mode, rtx,
						 int, int, int);
extern rtx frv_legitimize_address		(rtx, rtx, enum machine_mode);
extern rtx frv_find_base_term			(rtx);

#ifdef TREE_CODE
extern void frv_init_cumulative_args		(CUMULATIVE_ARGS *, tree,
						 rtx, tree, int);

extern int frv_function_arg_boundary		(enum machine_mode, tree);
extern rtx frv_function_arg			(CUMULATIVE_ARGS *,
						 enum machine_mode,
						 tree, int, int);

extern void frv_function_arg_advance		(CUMULATIVE_ARGS *,
						 enum machine_mode,
						 tree, int);
#endif /* TREE_CODE */

extern int frv_expand_block_move		(rtx *);
extern int frv_expand_block_clear		(rtx *);
extern rtx frv_dynamic_chain_address		(rtx);
extern rtx frv_return_addr_rtx			(int, rtx);
extern rtx frv_index_memory			(rtx, enum machine_mode, int);
extern const char *frv_asm_output_opcode
				 	(FILE *, const char *);
extern void frv_final_prescan_insn	(rtx, rtx *, int);
extern void frv_print_operand		(FILE *, rtx, int);
extern void frv_print_operand_address	(FILE *, rtx);
extern void frv_emit_move		(enum machine_mode, rtx, rtx);
extern int frv_emit_movsi		(rtx, rtx);
extern const char *output_move_single	(rtx *, rtx);
extern const char *output_move_double	(rtx *, rtx);
extern const char *output_condmove_single
					(rtx *, rtx);
extern int frv_emit_cond_branch		(enum rtx_code, rtx);
extern int frv_emit_scc			(enum rtx_code, rtx);
extern rtx frv_split_scc		(rtx, rtx, rtx, rtx, HOST_WIDE_INT);
extern int frv_emit_cond_move		(rtx, rtx, rtx, rtx);
extern rtx frv_split_cond_move		(rtx *);
extern rtx frv_split_minmax		(rtx *);
extern rtx frv_split_abs		(rtx *);
extern void frv_split_double_load	(rtx, rtx);
extern void frv_split_double_store	(rtx, rtx);
#ifdef BB_HEAD
extern void frv_ifcvt_init_extra_fields	(ce_if_block_t *);
extern void frv_ifcvt_modify_tests	(ce_if_block_t *, rtx *, rtx *);
extern void frv_ifcvt_modify_multiple_tests
					(ce_if_block_t *, basic_block,
					 rtx *, rtx *);
extern rtx frv_ifcvt_modify_insn	(ce_if_block_t *, rtx, rtx);
extern void frv_ifcvt_modify_final	(ce_if_block_t *);
extern void frv_ifcvt_modify_cancel	(ce_if_block_t *);
#endif
extern int frv_trampoline_size		(void);
extern void frv_initialize_trampoline	(rtx, rtx, rtx);
extern enum reg_class frv_secondary_reload_class
					(enum reg_class,
					 enum machine_mode, rtx);
extern int frv_class_likely_spilled_p	(enum reg_class rclass);
extern int frv_hard_regno_mode_ok	(int, enum machine_mode);
extern int frv_hard_regno_nregs		(int, enum machine_mode);
extern int frv_class_max_nregs		(enum reg_class rclass,
					 enum machine_mode mode);
extern int frv_legitimate_constant_p	(rtx);
extern enum machine_mode frv_select_cc_mode (enum rtx_code, rtx, rtx);
#endif	/* RTX_CODE */

extern int direct_return_p		(void);
extern int frv_register_move_cost	(enum reg_class, enum reg_class);
extern int frv_issue_rate		(void);
extern int frv_acc_group		(rtx);

#ifdef TREE_CODE
extern int frv_adjust_field_align	(tree, int);
#endif

#ifdef RTX_CODE
extern int integer_register_operand	(rtx, enum machine_mode);
extern int frv_load_operand		(rtx, enum machine_mode);
extern int gpr_or_fpr_operand		(rtx, enum machine_mode);
extern int gpr_no_subreg_operand	(rtx, enum machine_mode);
extern int gpr_or_int6_operand		(rtx, enum machine_mode);
extern int fpr_or_int6_operand		(rtx, enum machine_mode);
extern int gpr_or_int_operand		(rtx, enum machine_mode);
extern int gpr_or_int12_operand		(rtx, enum machine_mode);
extern int gpr_fpr_or_int12_operand	(rtx, enum machine_mode);
extern int gpr_or_int10_operand		(rtx, enum machine_mode);
extern int move_source_operand		(rtx, enum machine_mode);
extern int move_destination_operand	(rtx, enum machine_mode);
extern int condexec_source_operand	(rtx, enum machine_mode);
extern int condexec_dest_operand	(rtx, enum machine_mode);
extern int lr_operand			(rtx, enum machine_mode);
extern int gpr_or_memory_operand	(rtx, enum machine_mode);
extern int fpr_or_memory_operand	(rtx, enum machine_mode);
extern int reg_or_0_operand		(rtx, enum machine_mode);
extern int fcc_operand			(rtx, enum machine_mode);
extern int icc_operand			(rtx, enum machine_mode);
extern int cc_operand			(rtx, enum machine_mode);
extern int fcr_operand			(rtx, enum machine_mode);
extern int icr_operand			(rtx, enum machine_mode);
extern int cr_operand			(rtx, enum machine_mode);
extern int call_operand			(rtx, enum machine_mode);
extern int fpr_operand			(rtx, enum machine_mode);
extern int even_reg_operand		(rtx, enum machine_mode);
extern int odd_reg_operand		(rtx, enum machine_mode);
extern int even_gpr_operand		(rtx, enum machine_mode);
extern int odd_gpr_operand		(rtx, enum machine_mode);
extern int quad_fpr_operand		(rtx, enum machine_mode);
extern int even_fpr_operand		(rtx, enum machine_mode);
extern int odd_fpr_operand		(rtx, enum machine_mode);
extern int dbl_memory_one_insn_operand	(rtx, enum machine_mode);
extern int dbl_memory_two_insn_operand	(rtx, enum machine_mode);
extern int int12_operand		(rtx, enum machine_mode);
extern int int6_operand			(rtx, enum machine_mode);
extern int int5_operand			(rtx, enum machine_mode);
extern int uint5_operand		(rtx, enum machine_mode);
extern int uint4_operand		(rtx, enum machine_mode);
extern int uint1_operand		(rtx, enum machine_mode);
extern int int_2word_operand		(rtx, enum machine_mode);
extern int pic_register_operand		(rtx, enum machine_mode);
extern int pic_symbolic_operand		(rtx, enum machine_mode);
extern int small_data_register_operand	(rtx, enum machine_mode);
extern int small_data_symbolic_operand	(rtx, enum machine_mode);
extern int upper_int16_operand		(rtx, enum machine_mode);
extern int uint16_operand		(rtx, enum machine_mode);
extern int symbolic_operand		(rtx, enum machine_mode);
extern int relational_operator		(rtx, enum machine_mode);
extern int signed_relational_operator	(rtx, enum machine_mode);
extern int unsigned_relational_operator	(rtx, enum machine_mode);
extern int float_relational_operator	(rtx, enum machine_mode);
extern int ccr_eqne_operator		(rtx, enum machine_mode);
extern int minmax_operator		(rtx, enum machine_mode);
extern int condexec_si_binary_operator	(rtx, enum machine_mode);
extern int condexec_si_media_operator	(rtx, enum machine_mode);
extern int condexec_si_divide_operator	(rtx, enum machine_mode);
extern int condexec_si_unary_operator	(rtx, enum machine_mode);
extern int condexec_sf_conv_operator	(rtx, enum machine_mode);
extern int condexec_sf_add_operator	(rtx, enum machine_mode);
extern int condexec_memory_operand	(rtx, enum machine_mode);
extern int intop_compare_operator	(rtx, enum machine_mode);
extern int acc_operand			(rtx, enum machine_mode);
extern int even_acc_operand		(rtx, enum machine_mode);
extern int quad_acc_operand		(rtx, enum machine_mode);
extern int accg_operand			(rtx, enum machine_mode);
extern rtx frv_matching_accg_for_acc	(rtx);
extern void frv_expand_fdpic_call	(rtx *, bool, bool);
extern rtx frv_gen_GPsym2reg		(rtx, rtx);
extern int frv_legitimate_memory_operand (rtx, enum machine_mode, int);

/* Information about a relocation unspec.  SYMBOL is the relocation symbol
   (a SYMBOL_REF or LABEL_REF), RELOC is the type of relocation and OFFSET
   is the constant addend.  */
struct frv_unspec {
  rtx symbol;
  int reloc;
  HOST_WIDE_INT offset;
};

extern bool frv_const_unspec_p (rtx, struct frv_unspec *);

#endif