gcc/config/rs6000/rs6000-protos.h

   1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
   2    Copyright (C) 2000-2014 Free Software Foundation, Inc.
   3    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 3, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef GCC_RS6000_PROTOS_H
  22 #define GCC_RS6000_PROTOS_H
  23
  24 /* Declare functions in rs6000.c */
  25
  26 #ifdef RTX_CODE
  27
  28 #ifdef TREE_CODE
  29 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int,
  30                                   tree, enum machine_mode);
  31 #endif /* TREE_CODE */
  32
  33 extern bool easy_altivec_constant (rtx, enum machine_mode);
  34 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
  35 extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
  36 extern int num_insns_constant (rtx, enum machine_mode);
  37 extern int num_insns_constant_wide (HOST_WIDE_INT);
  38 extern int small_data_operand (rtx, enum machine_mode);
  39 extern bool mem_operand_gpr (rtx, enum machine_mode);
  40 extern bool toc_relative_expr_p (const_rtx, bool);
  41 extern bool invalid_e500_subreg (rtx, enum machine_mode);
  42 extern void validate_condition_mode (enum rtx_code, enum machine_mode);
  43 extern bool legitimate_constant_pool_address_p (const_rtx, enum machine_mode,
  44                                                 bool);
  45 extern bool legitimate_indirect_address_p (rtx, int);
  46 extern bool legitimate_indexed_address_p (rtx, int);
  47 extern bool avoiding_indexed_address_p (enum machine_mode);
  48
  49 extern rtx rs6000_got_register (rtx);
  50 extern rtx find_addr_reg (rtx);
  51 extern rtx gen_easy_altivec_constant (rtx);
  52 extern const char *output_vec_const_move (rtx *);
  53 extern const char *rs6000_output_move_128bit (rtx *);
  54 extern void rs6000_expand_vector_init (rtx, rtx);
  55 extern void paired_expand_vector_init (rtx, rtx);
  56 extern void rs6000_expand_vector_set (rtx, rtx, int);
  57 extern void rs6000_expand_vector_extract (rtx, rtx, int);
  58 extern bool altivec_expand_vec_perm_const (rtx op[4]);
  59 extern void altivec_expand_vec_perm_le (rtx op[4]);
  60 extern bool rs6000_expand_vec_perm_const (rtx op[4]);
  61 extern void altivec_expand_lvx_be (rtx, rtx, enum machine_mode, unsigned);
  62 extern void altivec_expand_stvx_be (rtx, rtx, enum machine_mode, unsigned);
  63 extern void altivec_expand_stvex_be (rtx, rtx, enum machine_mode, unsigned);
  64 extern void rs6000_expand_extract_even (rtx, rtx, rtx);
  65 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
  66 extern void build_mask64_2_operands (rtx, rtx *);
  67 extern int expand_block_clear (rtx[]);
  68 extern int expand_block_move (rtx[]);
  69 extern const char * rs6000_output_load_multiple (rtx[]);
  70 extern int includes_lshift_p (rtx, rtx);
  71 extern int includes_rshift_p (rtx, rtx);
  72 extern int includes_rldic_lshift_p (rtx, rtx);
  73 extern int includes_rldicr_lshift_p (rtx, rtx);
  74 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
  75 extern int registers_ok_for_quad_peep (rtx, rtx);
  76 extern int mems_ok_for_quad_peep (rtx, rtx);
  77 extern bool gpr_or_gpr_p (rtx, rtx);
  78 extern bool direct_move_p (rtx, rtx);
  79 extern bool quad_load_store_p (rtx, rtx);
  80 extern bool fusion_gpr_load_p (rtx *, bool);
  81 extern void expand_fusion_gpr_load (rtx *);
  82 extern const char *emit_fusion_gpr_load (rtx *);
  83 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
  84                                                             enum reg_class);
  85 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
  86                                                             enum machine_mode,
  87                                                             rtx);
  88 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class,
  89                                                    enum reg_class,
  90                                                    enum machine_mode);
  91 extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode,
  92                                                     enum machine_mode,
  93                                                     enum reg_class);
  94 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
  95 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
  96 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
  97                                          rtx, rtx, rtx);
  98 extern void paired_expand_vector_move (rtx operands[]);
  99
 100
 101 extern int ccr_bit (rtx, int);
 102 extern int extract_MB (rtx);
 103 extern int extract_ME (rtx);
 104 extern void rs6000_output_function_entry (FILE *, const char *);
 105 extern void print_operand (FILE *, rtx, int);
 106 extern void print_operand_address (FILE *, rtx);
 107 extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
 108                                                enum rtx_code);
 109 extern void rs6000_emit_sISEL (enum machine_mode, rtx[]);
 110 extern void rs6000_emit_sCOND (enum machine_mode, rtx[]);
 111 extern void rs6000_emit_cbranch (enum machine_mode, rtx[]);
 112 extern char * output_cbranch (rtx, const char *, int, rtx);
 113 extern char * output_e500_flip_gt_bit (rtx, rtx);
 114 extern const char * output_probe_stack_range (rtx, rtx);
 115 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
 116 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
 117 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
 118 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
 119 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
 120 extern void rs6000_expand_atomic_exchange (rtx op[]);
 121 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
 122 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
 123 extern void rs6000_emit_swrsqrt (rtx, rtx);
 124 extern void output_toc (FILE *, rtx, int, enum machine_mode);
 125 extern rtx rs6000_longcall_ref (rtx);
 126 extern void rs6000_fatal_bad_address (rtx);
 127 extern rtx create_TOC_reference (rtx, rtx);
 128 extern void rs6000_split_multireg_move (rtx, rtx);
 129 extern void rs6000_emit_le_vsx_move (rtx, rtx, enum machine_mode);
 130 extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
 131 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
 132 extern enum machine_mode rs6000_secondary_memory_needed_mode (enum
 133                                                               machine_mode);
 134 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode,
 135                                                     int, int, int, int *);
 136 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx,
 137                                                 bool, bool);
 138 extern rtx rs6000_find_base_term (rtx);
 139 extern rtx rs6000_return_addr (int, rtx);
 140 extern void rs6000_output_symbol_ref (FILE*, rtx);
 141 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
 142 extern void rs6000_emit_popcount (rtx, rtx);
 143 extern void rs6000_emit_parity (rtx, rtx);
 144
 145 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
 146                                                    rtx);
 147 extern rtx rs6000_address_for_fpconvert (rtx);
 148 extern rtx rs6000_address_for_altivec (rtx);
 149 extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool);
 150 extern int rs6000_loop_align (rtx);
 151 extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool, rtx);
 152 #endif /* RTX_CODE */
 153
 154 #ifdef TREE_CODE
 155 extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
 156 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
 157                                                      unsigned int);
 158 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
 159                                                             unsigned int);
 160 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
 161 extern rtx rs6000_libcall_value (enum machine_mode);
 162 extern rtx rs6000_va_arg (tree, tree);
 163 extern int function_ok_for_sibcall (tree);
 164 extern int rs6000_reg_parm_stack_space (tree);
 165 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
 166 extern bool rs6000_elf_in_small_data_p (const_tree);
 167 #ifdef ARGS_SIZE_RTX
 168 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
 169 extern enum direction function_arg_padding (enum machine_mode, const_tree);
 170 #endif /* ARGS_SIZE_RTX */
 171
 172 #endif /* TREE_CODE */
 173
 174 extern int direct_return (void);
 175 extern int first_reg_to_save (void);
 176 extern int first_fp_reg_to_save (void);
 177 extern void output_ascii (FILE *, const char *, int);
 178 extern void rs6000_gen_section_name (char **, const char *, const char *);
 179 extern void output_function_profiler (FILE *, int);
 180 extern void output_profile_hook  (int);
 181 extern int rs6000_trampoline_size (void);
 182 extern alias_set_type get_TOC_alias_set (void);
 183 extern void rs6000_emit_prologue (void);
 184 extern void rs6000_emit_load_toc_table (int);
 185 extern unsigned int rs6000_dbx_register_number (unsigned int);
 186 extern void rs6000_emit_epilogue (int);
 187 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
 188 extern const char * output_isel (rtx *);
 189 extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
 190 extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
 191 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
 192 extern void get_ppc476_thunk_name (char name[32]);
 193 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
 194 extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
 195
 196 /* Declare functions in rs6000-c.c */
 197
 198 extern void rs6000_pragma_longcall (struct cpp_reader *);
 199 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
 200 #ifdef TREE_CODE
 201 extern bool rs6000_pragma_target_parse (tree, tree);
 202 #endif
 203 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
 204 extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
 205                                                 HOST_WIDE_INT);
 206
 207 #if TARGET_MACHO
 208 char *output_call (rtx, rtx *, int, int);
 209 #endif
 210
 211 #ifdef NO_DOLLAR_IN_LABEL
 212 const char * rs6000_xcoff_strip_dollar (const char *);
 213 #endif
 214
 215 void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands);
 216
 217 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
 218 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
 219 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
 220
 221 extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
 222 #endif  /* rs6000-protos.h */