gcc/config/rs6000/rs6000-protos.h

   1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
   2    Copyright (C) 2000-2018 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, machine_mode);
  31 #endif /* TREE_CODE */
  32
  33 extern bool easy_altivec_constant (rtx, machine_mode);
  34 extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *);
  35 extern int vspltis_shifted (rtx);
  36 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int);
  37 extern bool macho_lo_sum_memory_operand (rtx, machine_mode);
  38 extern int num_insns_constant (rtx, machine_mode);
  39 extern int num_insns_constant_wide (HOST_WIDE_INT);
  40 extern int small_data_operand (rtx, machine_mode);
  41 extern bool mem_operand_gpr (rtx, machine_mode);
  42 extern bool mem_operand_ds_form (rtx, machine_mode);
  43 extern bool toc_relative_expr_p (const_rtx, bool, const_rtx *, const_rtx *);
  44 extern void validate_condition_mode (enum rtx_code, machine_mode);
  45 extern bool legitimate_constant_pool_address_p (const_rtx, 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 (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 const char *rs6000_output_move_128bit (rtx *);
  56 extern bool rs6000_move_128bit_ok_p (rtx []);
  57 extern bool rs6000_split_128bit_ok_p (rtx []);
  58 extern void rs6000_expand_float128_convert (rtx, rtx, bool);
  59 extern void rs6000_expand_vector_init (rtx, rtx);
  60 extern void paired_expand_vector_init (rtx, rtx);
  61 extern void rs6000_expand_vector_set (rtx, rtx, int);
  62 extern void rs6000_expand_vector_extract (rtx, rtx, rtx);
  63 extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx);
  64 extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode);
  65 extern void rs6000_split_v4si_init (rtx []);
  66 extern void altivec_expand_vec_perm_le (rtx op[4]);
  67 extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned);
  68 extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned);
  69 extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned);
  70 extern void rs6000_expand_extract_even (rtx, rtx, rtx);
  71 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool);
  72 extern void rs6000_scale_v2df (rtx, rtx, int);
  73 extern void rs6000_generate_float2_code (bool, rtx, rtx, rtx);
  74 extern void rs6000_generate_float2_double_code (rtx, rtx, rtx);
  75 extern void rs6000_generate_vsigned2_code (bool, rtx, rtx, rtx);
  76 extern int expand_block_clear (rtx[]);
  77 extern int expand_block_move (rtx[]);
  78 extern bool expand_block_compare (rtx[]);
  79 extern bool expand_strn_compare (rtx[], int);
  80 extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode);
  81 extern bool rs6000_is_valid_and_mask (rtx, machine_mode);
  82 extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode);
  83 extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode);
  84 extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool);
  85 extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool);
  86 extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool);
  87 extern bool rs6000_is_valid_2insn_and (rtx, machine_mode);
  88 extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int);
  89 extern int registers_ok_for_quad_peep (rtx, rtx);
  90 extern int mems_ok_for_quad_peep (rtx, rtx);
  91 extern bool gpr_or_gpr_p (rtx, rtx);
  92 extern bool direct_move_p (rtx, rtx);
  93 extern bool quad_address_p (rtx, machine_mode, bool);
  94 extern bool quad_load_store_p (rtx, rtx);
  95 extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx);
  96 extern void expand_fusion_gpr_load (rtx *);
  97 extern void emit_fusion_addis (rtx, rtx);
  98 extern void emit_fusion_load_store (rtx, rtx, rtx, const char *);
  99 extern const char *emit_fusion_gpr_load (rtx, rtx);
 100 extern bool fusion_p9_p (rtx, rtx, rtx, rtx);
 101 extern void expand_fusion_p9_load (rtx *);
 102 extern void expand_fusion_p9_store (rtx *);
 103 extern const char *emit_fusion_p9_load (rtx, rtx, rtx);
 104 extern const char *emit_fusion_p9_store (rtx, rtx, rtx);
 105 extern rtx fusion_wrap_memory_address (rtx);
 106 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx,
 107                                                             enum reg_class);
 108 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class,
 109                                                             machine_mode,
 110                                                             rtx);
 111 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool);
 112 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool);
 113 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
 114                                          rtx, rtx, rtx);
 115 extern void paired_expand_vector_move (rtx operands[]);
 116
 117
 118 extern int ccr_bit (rtx, int);
 119 extern void rs6000_output_function_entry (FILE *, const char *);
 120 extern void print_operand (FILE *, rtx, int);
 121 extern void print_operand_address (FILE *, rtx);
 122 extern enum rtx_code rs6000_reverse_condition (machine_mode,
 123                                                enum rtx_code);
 124 extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx);
 125 extern void rs6000_emit_sCOND (machine_mode, rtx[]);
 126 extern void rs6000_emit_cbranch (machine_mode, rtx[]);
 127 extern char * output_cbranch (rtx, const char *, int, rtx_insn *);
 128 extern const char * output_probe_stack_range (rtx, rtx, rtx);
 129 extern void rs6000_emit_dot_insn (rtx dst, rtx src, int dot, rtx ccreg);
 130 extern bool rs6000_emit_set_const (rtx, rtx);
 131 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
 132 extern int rs6000_emit_int_cmove (rtx, rtx, rtx, rtx);
 133 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
 134 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
 135 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]);
 136 extern rtx swap_endian_selector_for_mode (machine_mode mode);
 137
 138 extern void rs6000_expand_atomic_exchange (rtx op[]);
 139 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
 140 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool);
 141 extern void rs6000_emit_swsqrt (rtx, rtx, bool);
 142 extern void output_toc (FILE *, rtx, int, machine_mode);
 143 extern rtx rs6000_longcall_ref (rtx);
 144 extern void rs6000_fatal_bad_address (rtx);
 145 extern rtx create_TOC_reference (rtx, rtx);
 146 extern void rs6000_split_multireg_move (rtx, rtx);
 147 extern void rs6000_emit_le_vsx_permute (rtx, rtx, machine_mode);
 148 extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode);
 149 extern bool valid_sf_si_move (rtx, rtx, machine_mode);
 150 extern void rs6000_emit_move (rtx, rtx, machine_mode);
 151 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode,
 152                                                     int, int, int, int *);
 153 extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx,
 154                                                 bool, bool);
 155 extern rtx rs6000_find_base_term (rtx);
 156 extern rtx rs6000_return_addr (int, rtx);
 157 extern void rs6000_output_symbol_ref (FILE*, rtx);
 158 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
 159 extern void rs6000_emit_popcount (rtx, rtx);
 160 extern void rs6000_emit_parity (rtx, rtx);
 161
 162 extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode,
 163                                                    rtx);
 164 extern rtx rs6000_address_for_fpconvert (rtx);
 165 extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool);
 166 extern int rs6000_loop_align (rtx);
 167 extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool);
 168 #endif /* RTX_CODE */
 169
 170 #ifdef TREE_CODE
 171 extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align);
 172 extern bool rs6000_special_adjust_field_align_p (tree, unsigned int);
 173 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
 174                                                      unsigned int);
 175 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
 176                                                             unsigned int);
 177 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *);
 178 extern rtx rs6000_libcall_value (machine_mode);
 179 extern rtx rs6000_va_arg (tree, tree);
 180 extern int function_ok_for_sibcall (tree);
 181 extern int rs6000_reg_parm_stack_space (tree, bool);
 182 extern void rs6000_asm_weaken_decl (FILE *, tree, const char *, const char *);
 183 extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree);
 184 extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree);
 185 extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree,
 186                                                          const char *,
 187                                                          unsigned HOST_WIDE_INT,
 188                                                          unsigned HOST_WIDE_INT);
 189 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
 190 extern bool rs6000_elf_in_small_data_p (const_tree);
 191
 192 #endif /* TREE_CODE */
 193
 194 extern int direct_return (void);
 195 extern int first_reg_to_save (void);
 196 extern int first_fp_reg_to_save (void);
 197 extern void output_ascii (FILE *, const char *, int);
 198 extern void rs6000_gen_section_name (char **, const char *, const char *);
 199 extern void output_function_profiler (FILE *, int);
 200 extern void output_profile_hook  (int);
 201 extern int rs6000_trampoline_size (void);
 202 extern alias_set_type get_TOC_alias_set (void);
 203 extern void rs6000_emit_prologue (void);
 204 extern void rs6000_emit_load_toc_table (int);
 205 extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
 206 extern void rs6000_emit_epilogue (int);
 207 extern void rs6000_expand_split_stack_prologue (void);
 208 extern void rs6000_split_stack_space_check (rtx, rtx);
 209 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
 210 extern void rs6000_call_aix (rtx, rtx, rtx, rtx);
 211 extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx);
 212 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
 213 extern void get_ppc476_thunk_name (char name[32]);
 214 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins);
 215 extern bool rs6000_builtin_is_supported_p (enum rs6000_builtins);
 216 extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins);
 217 extern int rs6000_store_data_bypass_p (rtx_insn *, rtx_insn *);
 218 extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void);
 219 extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size,
 220                                            const char *label);
 221 extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size,
 222                                              const char *label);
 223
 224 /* Declare functions in rs6000-c.c */
 225
 226 extern void rs6000_pragma_longcall (struct cpp_reader *);
 227 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
 228 #ifdef TREE_CODE
 229 extern bool rs6000_pragma_target_parse (tree, tree);
 230 #endif
 231 extern void rs6000_activate_target_options (tree new_tree);
 232 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT);
 233 extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT,
 234                                                 HOST_WIDE_INT);
 235
 236 #if TARGET_MACHO
 237 char *output_call (rtx_insn *, rtx *, int, int);
 238 #endif
 239
 240 #ifdef NO_DOLLAR_IN_LABEL
 241 const char * rs6000_xcoff_strip_dollar (const char *);
 242 #endif
 243
 244 void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands);
 245
 246 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES];
 247 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER];
 248
 249 extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
 250
 251 /* Pass management.  */
 252 namespace gcc { class context; }
 253 class rtl_opt_pass;
 254
 255 extern rtl_opt_pass *make_pass_analyze_swaps (gcc::context *);
 256 extern bool rs6000_sum_of_two_registers_p (const_rtx expr);
 257 extern bool rs6000_quadword_masked_address_p (const_rtx exp);
 258 extern rtx rs6000_gen_lvx (enum machine_mode, rtx, rtx);
 259 extern rtx rs6000_gen_stvx (enum machine_mode, rtx, rtx);
 260
 261 #endif  /* rs6000-protos.h */