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 */ 262