1 /* Definitions of target machine for GNU compiler, for IBM RS/6000. 2 Copyright (C) 2000-2016 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); 44 extern bool invalid_e500_subreg (rtx, machine_mode); 45 extern void validate_condition_mode (enum rtx_code, machine_mode); 46 extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode, 47 bool); 48 extern bool legitimate_indirect_address_p (rtx, int); 49 extern bool legitimate_indexed_address_p (rtx, int); 50 extern bool avoiding_indexed_address_p (machine_mode); 51 52 extern rtx rs6000_got_register (rtx); 53 extern rtx find_addr_reg (rtx); 54 extern rtx gen_easy_altivec_constant (rtx); 55 extern const char *output_vec_const_move (rtx *); 56 extern const char *rs6000_output_move_128bit (rtx *); 57 extern bool rs6000_move_128bit_ok_p (rtx []); 58 extern bool rs6000_split_128bit_ok_p (rtx []); 59 extern void rs6000_expand_float128_convert (rtx, rtx, bool); 60 extern void convert_float128_to_int (rtx *, enum rtx_code); 61 extern void convert_int_to_float128 (rtx *, enum rtx_code); 62 extern void rs6000_expand_vector_init (rtx, rtx); 63 extern void paired_expand_vector_init (rtx, rtx); 64 extern void rs6000_expand_vector_set (rtx, rtx, int); 65 extern void rs6000_expand_vector_extract (rtx, rtx, int); 66 extern bool altivec_expand_vec_perm_const (rtx op[4]); 67 extern void altivec_expand_vec_perm_le (rtx op[4]); 68 extern bool rs6000_expand_vec_perm_const (rtx op[4]); 69 extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned); 70 extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned); 71 extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned); 72 extern void rs6000_expand_extract_even (rtx, rtx, rtx); 73 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool); 74 extern void rs6000_scale_v2df (rtx, rtx, int); 75 extern int expand_block_clear (rtx[]); 76 extern int expand_block_move (rtx[]); 77 extern const char * rs6000_output_load_multiple (rtx[]); 78 extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode); 79 extern bool rs6000_is_valid_and_mask (rtx, machine_mode); 80 extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode); 81 extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode); 82 extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool); 83 extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool); 84 extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool); 85 extern bool rs6000_is_valid_2insn_and (rtx, machine_mode); 86 extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int); 87 extern int registers_ok_for_quad_peep (rtx, rtx); 88 extern int mems_ok_for_quad_peep (rtx, rtx); 89 extern bool gpr_or_gpr_p (rtx, rtx); 90 extern bool direct_move_p (rtx, rtx); 91 extern bool quad_address_p (rtx, machine_mode, bool); 92 extern bool quad_load_store_p (rtx, rtx); 93 extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx); 94 extern void expand_fusion_gpr_load (rtx *); 95 extern void emit_fusion_addis (rtx, rtx, const char *, const char *); 96 extern void emit_fusion_load_store (rtx, rtx, rtx, const char *); 97 extern const char *emit_fusion_gpr_load (rtx, rtx); 98 extern bool fusion_p9_p (rtx, rtx, rtx, rtx); 99 extern void expand_fusion_p9_load (rtx *); 100 extern void expand_fusion_p9_store (rtx *); 101 extern const char *emit_fusion_p9_load (rtx, rtx, rtx); 102 extern const char *emit_fusion_p9_store (rtx, rtx, rtx); 103 extern rtx fusion_wrap_memory_address (rtx); 104 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, 105 enum reg_class); 106 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class, 107 machine_mode, 108 rtx); 109 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, 110 enum reg_class, 111 machine_mode); 112 extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode, 113 machine_mode, 114 enum reg_class); 115 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool); 116 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool); 117 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx, 118 rtx, rtx, rtx); 119 extern void paired_expand_vector_move (rtx operands[]); 120 121 122 extern int ccr_bit (rtx, int); 123 extern void rs6000_output_function_entry (FILE *, const char *); 124 extern void print_operand (FILE *, rtx, int); 125 extern void print_operand_address (FILE *, rtx); 126 extern enum rtx_code rs6000_reverse_condition (machine_mode, 127 enum rtx_code); 128 extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx); 129 extern void rs6000_emit_sISEL (machine_mode, rtx[]); 130 extern void rs6000_emit_sCOND (machine_mode, rtx[]); 131 extern void rs6000_emit_cbranch (machine_mode, rtx[]); 132 extern char * output_cbranch (rtx, const char *, int, rtx_insn *); 133 extern char * output_e500_flip_gt_bit (rtx, rtx); 134 extern const char * output_probe_stack_range (rtx, rtx); 135 extern bool rs6000_emit_set_const (rtx, rtx); 136 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 137 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 138 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 139 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]); 140 extern void rs6000_expand_atomic_exchange (rtx op[]); 141 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 142 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool); 143 extern void rs6000_emit_swsqrt (rtx, rtx, bool); 144 extern void output_toc (FILE *, rtx, int, machine_mode); 145 extern rtx rs6000_longcall_ref (rtx); 146 extern void rs6000_fatal_bad_address (rtx); 147 extern rtx create_TOC_reference (rtx, rtx); 148 extern void rs6000_split_multireg_move (rtx, rtx); 149 extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode); 150 extern void rs6000_emit_move (rtx, rtx, machine_mode); 151 extern rtx rs6000_secondary_memory_needed_rtx (machine_mode); 152 extern machine_mode rs6000_secondary_memory_needed_mode (machine_mode); 153 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode, 154 int, int, int, int *); 155 extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx, 156 bool, bool); 157 extern rtx rs6000_find_base_term (rtx); 158 extern rtx rs6000_return_addr (int, rtx); 159 extern void rs6000_output_symbol_ref (FILE*, rtx); 160 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 161 extern void rs6000_emit_popcount (rtx, rtx); 162 extern void rs6000_emit_parity (rtx, rtx); 163 164 extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode, 165 rtx); 166 extern rtx rs6000_address_for_fpconvert (rtx); 167 extern rtx rs6000_address_for_altivec (rtx); 168 extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool); 169 extern int rs6000_loop_align (rtx); 170 extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool); 171 #endif /* RTX_CODE */ 172 173 #ifdef TREE_CODE 174 extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align); 175 extern bool rs6000_special_adjust_field_align_p (tree, unsigned int); 176 extern unsigned int rs6000_special_round_type_align (tree, unsigned int, 177 unsigned int); 178 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int, 179 unsigned int); 180 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *); 181 extern rtx rs6000_libcall_value (machine_mode); 182 extern rtx rs6000_va_arg (tree, tree); 183 extern int function_ok_for_sibcall (tree); 184 extern int rs6000_reg_parm_stack_space (tree, bool); 185 extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree); 186 extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree); 187 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 188 extern bool rs6000_elf_in_small_data_p (const_tree); 189 #ifdef ARGS_SIZE_RTX 190 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 191 extern enum direction function_arg_padding (machine_mode, const_tree); 192 #endif /* ARGS_SIZE_RTX */ 193 194 #endif /* TREE_CODE */ 195 196 extern int direct_return (void); 197 extern int first_reg_to_save (void); 198 extern int first_fp_reg_to_save (void); 199 extern void output_ascii (FILE *, const char *, int); 200 extern void rs6000_gen_section_name (char **, const char *, const char *); 201 extern void output_function_profiler (FILE *, int); 202 extern void output_profile_hook (int); 203 extern int rs6000_trampoline_size (void); 204 extern alias_set_type get_TOC_alias_set (void); 205 extern void rs6000_emit_prologue (void); 206 extern void rs6000_emit_load_toc_table (int); 207 extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int); 208 extern void rs6000_emit_epilogue (int); 209 extern void rs6000_expand_split_stack_prologue (void); 210 extern void rs6000_split_stack_space_check (rtx, rtx); 211 extern void rs6000_emit_eh_reg_restore (rtx, rtx); 212 extern const char * output_isel (rtx *); 213 extern void rs6000_call_aix (rtx, rtx, rtx, rtx); 214 extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx); 215 extern void rs6000_aix_asm_output_dwarf_table_ref (char *); 216 extern void get_ppc476_thunk_name (char name[32]); 217 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins); 218 extern int rs6000_store_data_bypass_p (rtx_insn *, rtx_insn *); 219 extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void); 220 extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size, 221 const char *label); 222 extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size, 223 const char *label); 224 225 /* Declare functions in rs6000-c.c */ 226 227 extern void rs6000_pragma_longcall (struct cpp_reader *); 228 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 229 #ifdef TREE_CODE 230 extern bool rs6000_pragma_target_parse (tree, tree); 231 #endif 232 extern void rs6000_activate_target_options (tree new_tree); 233 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT); 234 extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT, 235 HOST_WIDE_INT); 236 237 #if TARGET_MACHO 238 char *output_call (rtx_insn *, rtx *, int, int); 239 #endif 240 241 #ifdef NO_DOLLAR_IN_LABEL 242 const char * rs6000_xcoff_strip_dollar (const char *); 243 #endif 244 245 void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands); 246 247 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 248 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES]; 249 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER]; 250 251 extern bool rs6000_linux_float_exceptions_rounding_supported_p (void); 252 #endif /* rs6000-protos.h */ 253