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/* Definitions of target machine for GNU compiler, for IBM RS/6000.

   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,

   2010, 2011

   Free Software Foundation, Inc.

   Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)

   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_RS6000_PROTOS_H

#define GCC_RS6000_PROTOS_H

/* Declare functions in rs6000.c */

#ifdef RTX_CODE

#ifdef TREE_CODE

extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,

                                  tree, enum machine_mode);

#endif /* TREE_CODE */

extern bool easy_altivec_constant (rtx, enum machine_mode);

extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);

extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);

extern int num_insns_constant (rtx, enum machine_mode);

extern int num_insns_constant_wide (HOST_WIDE_INT);

extern int small_data_operand (rtx, enum machine_mode);

extern bool toc_relative_expr_p (rtx);

extern bool invalid_e500_subreg (rtx, enum machine_mode);

extern void validate_condition_mode (enum rtx_code, enum machine_mode);

extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,

                                                bool);

extern bool legitimate_indirect_address_p (rtx, int);

extern bool legitimate_indexed_address_p (rtx, int);

extern bool avoiding_indexed_address_p (enum machine_mode);

extern rtx rs6000_got_register (rtx);

extern rtx find_addr_reg (rtx);

extern rtx gen_easy_altivec_constant (rtx);

extern const char *output_vec_const_move (rtx *);

extern void rs6000_expand_vector_init (rtx, rtx);

extern void paired_expand_vector_init (rtx, rtx);

extern void rs6000_expand_vector_set (rtx, rtx, int);

extern void rs6000_expand_vector_extract (rtx, rtx, int);

extern bool altivec_expand_vec_perm_const (rtx op[4]);

extern bool rs6000_expand_vec_perm_const (rtx op[4]);

extern void rs6000_expand_extract_even (rtx, rtx, rtx);

extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);

extern void build_mask64_2_operands (rtx, rtx *);

extern int expand_block_clear (rtx[]);

extern int expand_block_move (rtx[]);

extern const char * rs6000_output_load_multiple (rtx[]);

extern int includes_lshift_p (rtx, rtx);

extern int includes_rshift_p (rtx, rtx);

extern int includes_rldic_lshift_p (rtx, rtx);

extern int includes_rldicr_lshift_p (rtx, rtx);

extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);

extern int registers_ok_for_quad_peep (rtx, rtx);

extern int mems_ok_for_quad_peep (rtx, rtx);

extern bool gpr_or_gpr_p (rtx, rtx);

extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,

                                                            enum reg_class);

extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,

                                                            enum machine_mode,

                                                            rtx);

extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,

                                                   enum reg_class,

                                                   enum machine_mode);

extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,

                                                    enum machine_mode,

                                                    enum reg_class);

extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);

extern void rs6000_secondary_reload_ppc64 (rtx, rtx, rtx, bool);

extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,

                                         rtx, rtx, rtx);

extern void paired_expand_vector_move (rtx operands[]);

extern int ccr_bit (rtx, int);

extern int extract_MB (rtx);

extern int extract_ME (rtx);

extern void rs6000_output_function_entry (FILE *, const char *);

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

extern void print_operand_address (FILE *, rtx);

extern enum rtx_code rs6000_reverse_condition (enum machine_mode,

                                               enum rtx_code);

extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);

extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);

extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);

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

extern char * output_e500_flip_gt_bit (rtx, rtx);

extern const char * output_probe_stack_range (rtx, rtx);

extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);

extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);

extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);

extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);

extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);

extern void rs6000_expand_atomic_exchange (rtx op[]);

extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);

extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);

extern void rs6000_emit_swrsqrt (rtx, rtx);

extern void output_toc (FILE *, rtx, int, enum machine_mode);

extern rtx rs6000_longcall_ref (rtx);

extern void rs6000_fatal_bad_address (rtx);

extern rtx create_TOC_reference (rtx, rtx);

extern void rs6000_split_multireg_move (rtx, rtx);

extern void rs6000_emit_move (rtx, rtx, enum machine_mode);

extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);

extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,

                                                    int, int, int, int *);

extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int);

extern rtx rs6000_find_base_term (rtx);

extern bool rs6000_offsettable_memref_p (rtx);

extern rtx rs6000_return_addr (int, rtx);

extern void rs6000_output_symbol_ref (FILE*, rtx);

extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);

extern void rs6000_emit_popcount (rtx, rtx);

extern void rs6000_emit_parity (rtx, rtx);

extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,

                                                   rtx);

extern rtx rs6000_address_for_fpconvert (rtx);

extern rtx rs6000_address_for_altivec (rtx);

extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);

extern int rs6000_loop_align (rtx);

#endif /* RTX_CODE */

#ifdef TREE_CODE

extern unsigned int rs6000_special_round_type_align (tree, unsigned int,

                                                     unsigned int);

extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,

                                                            unsigned int);

extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);

extern rtx rs6000_libcall_value (enum machine_mode);

extern rtx rs6000_va_arg (tree, tree);

extern int function_ok_for_sibcall (tree);

extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);

extern bool rs6000_elf_in_small_data_p (const_tree);

#ifdef ARGS_SIZE_RTX

/* expr.h defines ARGS_SIZE_RTX and `enum direction' */

extern enum direction function_arg_padding (enum machine_mode, const_tree);

#endif /* ARGS_SIZE_RTX */

#endif /* TREE_CODE */

extern int direct_return (void);

extern int first_reg_to_save (void);

extern int first_fp_reg_to_save (void);

extern void output_ascii (FILE *, const char *, int);

extern void rs6000_gen_section_name (char **, const char *, const char *);

extern void output_function_profiler (FILE *, int);

extern void output_profile_hook  (int);

extern int rs6000_trampoline_size (void);

extern alias_set_type get_TOC_alias_set (void);

extern void rs6000_emit_prologue (void);

extern void rs6000_emit_load_toc_table (int);

extern unsigned int rs6000_dbx_register_number (unsigned int);

extern void rs6000_emit_epilogue (int);

extern void rs6000_emit_eh_reg_restore (rtx, rtx);

extern const char * output_isel (rtx *);

extern void rs6000_call_indirect_aix (rtx, rtx, rtx);

extern void rs6000_aix_asm_output_dwarf_table_ref (char *);

extern void get_ppc476_thunk_name (char name[32]);

extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);

extern unsigned rs6000_builtin_mask_calculate (void);

/* Declare functions in rs6000-c.c */

extern void rs6000_pragma_longcall (struct cpp_reader *);

extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);

#ifdef TREE_CODE

extern bool rs6000_pragma_target_parse (tree, tree);

#endif

extern void rs6000_target_modify_macros (bool, int, unsigned);

extern void (*rs6000_target_modify_macros_ptr) (bool, int, unsigned);

#if TARGET_MACHO

char *output_call (rtx, rtx *, int, int);

#endif

#ifdef NO_DOLLAR_IN_LABEL

const char * rs6000_xcoff_strip_dollar (const char *);

#endif

void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);

extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];

extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];

extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];

#endif  /* rs6000-protos.h */