gcc/config/rs6000/rs6000-protos.h

   1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
   2    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
   3    2010, 2011, 2012
   4    Free Software Foundation, Inc.
   5    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify it
  10    under the terms of the GNU General Public License as published
  11    by the Free Software Foundation; either version 3, or (at your
  12    option) any later version.
  13
  14    GCC is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING3.  If not see
  21    <http://www.gnu.org/licenses/>.  */
  22
  23 #ifndef GCC_RS6000_PROTOS_H
  24 #define GCC_RS6000_PROTOS_H
  25
  26 /* Declare functions in rs6000.c */
  27
  28 #ifdef RTX_CODE
  29
  30 #ifdef TREE_CODE
  31 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
  32                                   tree, enum machine_mode);
  33 #endif /* TREE_CODE */
  34
  35 extern bool easy_altivec_constant (rtx, enum machine_mode);
  36 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
  37 extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
  38 extern int num_insns_constant (rtx, enum machine_mode);
  39 extern int num_insns_constant_wide (HOST_WIDE_INT);
  40 extern int small_data_operand (rtx, enum machine_mode);
  41 extern bool mem_operand_gpr (rtx, enum machine_mode);
  42 extern bool toc_relative_expr_p (const_rtx, bool);
  43 extern bool invalid_e500_subreg (rtx, enum machine_mode);
  44 extern void validate_condition_mode (enum rtx_code, enum machine_mode);
  45 extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,
  46                                                 bool);
  47 extern bool legitimate_indirect_address_p (rtx, int);
  48 extern bool legitimate_indexed_address_p (rtx, int);
  49 extern bool avoiding_indexed_address_p (enum machine_mode);
  50
  51 extern rtx rs6000_got_register (rtx);
  52 extern rtx find_addr_reg (rtx);
  53 extern rtx gen_easy_altivec_constant (rtx);
  54 extern const char *output_vec_const_move (rtx *);
  55 extern void rs6000_expand_vector_init (rtx, rtx);
  56 extern void paired_expand_vector_init (rtx, rtx);
  57 extern void rs6000_expand_vector_set (rtx, rtx, int);
  58 extern void rs6000_expand_vector_extract (rtx, rtx, int);
  59 extern bool altivec_expand_vec_perm_const (rtx op[4]);
  60 extern bool rs6000_expand_vec_perm_const (rtx op[4]);
  61 extern void rs6000_expand_extract_even (rtx, rtx, rtx);
  62 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
  63 extern void build_mask64_2_operands (rtx, rtx *);
  64 extern int expand_block_clear (rtx[]);
  65 extern int expand_block_move (rtx[]);
  66 extern const char * rs6000_output_load_multiple (rtx[]);
  67 extern int includes_lshift_p (rtx, rtx);
  68 extern int includes_rshift_p (rtx, rtx);
  69 extern int includes_rldic_lshift_p (rtx, rtx);
  70 extern int includes_rldicr_lshift_p (rtx, rtx);
  71 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
  72 extern int registers_ok_for_quad_peep (rtx, rtx);
  73 extern int mems_ok_for_quad_peep (rtx, rtx);
  74 extern bool gpr_or_gpr_p (rtx, rtx);
  75 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
  76                                                             enum reg_class);
  77 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
  78                                                             enum machine_mode,
  79                                                             rtx);
  80 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
  81                                                    enum reg_class,
  82                                                    enum machine_mode);
  83 extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
  84                                                     enum machine_mode,
  85                                                     enum reg_class);
  86 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
  87 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
  88 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
  89                                          rtx, rtx, rtx);
  90 extern void paired_expand_vector_move (rtx operands[]);
  91
  92
  93 extern int ccr_bit (rtx, int);
  94 extern int extract_MB (rtx);
  95 extern int extract_ME (rtx);
  96 extern void rs6000_output_function_entry (FILE *, const char *);
  97 extern void print_operand (FILE *, rtx, int);
  98 extern void print_operand_address (FILE *, rtx);
  99 extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
 100                                                enum rtx_code);
 101 extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);
 102 extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);
 103 extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);
 104 extern char * output_cbranch (rtx, const char *, int, rtx);
 105 extern char * output_e500_flip_gt_bit (rtx, rtx);
 106 extern const char * output_probe_stack_range (rtx, rtx);
 107 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
 108 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
 109 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
 110 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
 111 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
 112 extern void rs6000_expand_atomic_exchange (rtx op[]);
 113 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
 114 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
 115 extern void rs6000_emit_swrsqrt (rtx, rtx);
 116 extern void output_toc (FILE *, rtx, int, enum machine_mode);
 117 extern rtx rs6000_longcall_ref (rtx);
 118 extern void rs6000_fatal_bad_address (rtx);
 119 extern rtx create_TOC_reference (rtx, rtx);
 120 extern void rs6000_split_multireg_move (rtx, rtx);
 121 extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
 122 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
 123 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,
 124                                                     int, int, int, int *);
 125 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx,
 126                                                 bool, bool);
 127 extern rtx rs6000_find_base_term (rtx);
 128 extern rtx rs6000_return_addr (int, rtx);
 129 extern void rs6000_output_symbol_ref (FILE*, rtx);
 130 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
 131 extern void rs6000_emit_popcount (rtx, rtx);
 132 extern void rs6000_emit_parity (rtx, rtx);
 133
 134 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
 135                                                    rtx);
 136 extern rtx rs6000_address_for_fpconvert (rtx);
 137 extern rtx rs6000_address_for_altivec (rtx);
 138 extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);
 139 extern int rs6000_loop_align (rtx);
 140 #endif /* RTX_CODE */
 141
 142 #ifdef TREE_CODE
 143 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
 144                                                      unsigned int);
 145 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
 146                                                             unsigned int);
 147 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
 148 extern rtx rs6000_libcall_value (enum machine_mode);
 149 extern rtx rs6000_va_arg (tree, tree);
 150 extern int function_ok_for_sibcall (tree);
 151 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
 152 extern bool rs6000_elf_in_small_data_p (const_tree);
 153 #ifdef ARGS_SIZE_RTX
 154 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
 155 extern enum direction function_arg_padding (enum machine_mode, const_tree);
 156 #endif /* ARGS_SIZE_RTX */
 157
 158 #endif /* TREE_CODE */
 159
 160 extern int direct_return (void);
 161 extern int first_reg_to_save (void);
 162 extern int first_fp_reg_to_save (void);
 163 extern void output_ascii (FILE *, const char *, int);
 164 extern void rs6000_gen_section_name (char **, const char *, const char *);
 165 extern void output_function_profiler (FILE *, int);
 166 extern void output_profile_hook  (int);
 167 extern int rs6000_trampoline_size (void);
 168 extern alias_set_type get_TOC_alias_set (void);
 169 extern void rs6000_emit_prologue (void);
 170 extern void rs6000_emit_load_toc_table (int);
 171 extern unsigned int rs6000_dbx_register_number (unsigned int);
 172 extern void rs6000_emit_epilogue (int);
 173 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
 174 extern const char * output_isel (rtx *);
 175 extern void rs6000_call_indirect_aix (rtx, rtx, rtx);
 176 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
 177 extern void get_ppc476_thunk_name (char name[32]);
 178 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
 179 extern unsigned rs6000_builtin_mask_calculate (void);
 180
 181 /* Declare functions in rs6000-c.c */
 182
 183 extern void rs6000_pragma_longcall (struct cpp_reader *);
 184 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
 185 #ifdef TREE_CODE
 186 extern bool rs6000_pragma_target_parse (tree, tree);
 187 #endif
 188 extern void rs6000_target_modify_macros (bool, int, unsigned);
 189 extern void (*rs6000_target_modify_macros_ptr) (bool, int, unsigned);
 190
 191 #if TARGET_MACHO
 192 char *output_call (rtx, rtx *, int, int);
 193 #endif
 194
 195 #ifdef NO_DOLLAR_IN_LABEL
 196 const char * rs6000_xcoff_strip_dollar (const char *);
 197 #endif
 198
 199 void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);
 200
 201 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
 202 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
 203 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
 204 #endif  /* rs6000-protos.h */