rs6000-protos.h revision 1.1.1.9
1/* Definitions of target machine for GNU compiler, for IBM RS/6000. 2 Copyright (C) 2000-2017 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 29extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int, 30 tree, machine_mode); 31#endif /* TREE_CODE */ 32 33extern bool easy_altivec_constant (rtx, machine_mode); 34extern bool xxspltib_constant_p (rtx, machine_mode, int *, int *); 35extern int vspltis_shifted (rtx); 36extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int); 37extern bool macho_lo_sum_memory_operand (rtx, machine_mode); 38extern int num_insns_constant (rtx, machine_mode); 39extern int num_insns_constant_wide (HOST_WIDE_INT); 40extern int small_data_operand (rtx, machine_mode); 41extern bool mem_operand_gpr (rtx, machine_mode); 42extern bool mem_operand_ds_form (rtx, machine_mode); 43extern bool toc_relative_expr_p (const_rtx, bool); 44extern bool invalid_e500_subreg (rtx, machine_mode); 45extern void validate_condition_mode (enum rtx_code, machine_mode); 46extern bool legitimate_constant_pool_address_p (const_rtx, machine_mode, 47 bool); 48extern bool legitimate_indirect_address_p (rtx, int); 49extern bool legitimate_indexed_address_p (rtx, int); 50extern bool avoiding_indexed_address_p (machine_mode); 51 52extern rtx rs6000_got_register (rtx); 53extern rtx find_addr_reg (rtx); 54extern rtx gen_easy_altivec_constant (rtx); 55extern const char *output_vec_const_move (rtx *); 56extern const char *rs6000_output_move_128bit (rtx *); 57extern bool rs6000_move_128bit_ok_p (rtx []); 58extern bool rs6000_split_128bit_ok_p (rtx []); 59extern void rs6000_expand_float128_convert (rtx, rtx, bool); 60extern void rs6000_expand_vector_init (rtx, rtx); 61extern void paired_expand_vector_init (rtx, rtx); 62extern void rs6000_expand_vector_set (rtx, rtx, int); 63extern void rs6000_expand_vector_extract (rtx, rtx, rtx); 64extern void rs6000_split_vec_extract_var (rtx, rtx, rtx, rtx, rtx); 65extern rtx rs6000_adjust_vec_address (rtx, rtx, rtx, rtx, machine_mode); 66extern void rs6000_split_v4si_init (rtx []); 67extern bool altivec_expand_vec_perm_const (rtx op[4]); 68extern void altivec_expand_vec_perm_le (rtx op[4]); 69extern bool rs6000_expand_vec_perm_const (rtx op[4]); 70extern void altivec_expand_lvx_be (rtx, rtx, machine_mode, unsigned); 71extern void altivec_expand_stvx_be (rtx, rtx, machine_mode, unsigned); 72extern void altivec_expand_stvex_be (rtx, rtx, machine_mode, unsigned); 73extern void rs6000_expand_extract_even (rtx, rtx, rtx); 74extern void rs6000_expand_interleave (rtx, rtx, rtx, bool); 75extern void rs6000_scale_v2df (rtx, rtx, int); 76extern int expand_block_clear (rtx[]); 77extern int expand_block_move (rtx[]); 78extern bool expand_block_compare (rtx[]); 79extern bool expand_strn_compare (rtx[], int); 80extern const char * rs6000_output_load_multiple (rtx[]); 81extern bool rs6000_is_valid_mask (rtx, int *, int *, machine_mode); 82extern bool rs6000_is_valid_and_mask (rtx, machine_mode); 83extern bool rs6000_is_valid_shift_mask (rtx, rtx, machine_mode); 84extern bool rs6000_is_valid_insert_mask (rtx, rtx, machine_mode); 85extern const char *rs6000_insn_for_and_mask (machine_mode, rtx *, bool); 86extern const char *rs6000_insn_for_shift_mask (machine_mode, rtx *, bool); 87extern const char *rs6000_insn_for_insert_mask (machine_mode, rtx *, bool); 88extern bool rs6000_is_valid_2insn_and (rtx, machine_mode); 89extern void rs6000_emit_2insn_and (machine_mode, rtx *, bool, int); 90extern int registers_ok_for_quad_peep (rtx, rtx); 91extern int mems_ok_for_quad_peep (rtx, rtx); 92extern bool gpr_or_gpr_p (rtx, rtx); 93extern bool direct_move_p (rtx, rtx); 94extern bool quad_address_p (rtx, machine_mode, bool); 95extern bool quad_load_store_p (rtx, rtx); 96extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx); 97extern void expand_fusion_gpr_load (rtx *); 98extern void emit_fusion_addis (rtx, rtx, const char *, const char *); 99extern void emit_fusion_load_store (rtx, rtx, rtx, const char *); 100extern const char *emit_fusion_gpr_load (rtx, rtx); 101extern bool fusion_p9_p (rtx, rtx, rtx, rtx); 102extern void expand_fusion_p9_load (rtx *); 103extern void expand_fusion_p9_store (rtx *); 104extern const char *emit_fusion_p9_load (rtx, rtx, rtx); 105extern const char *emit_fusion_p9_store (rtx, rtx, rtx); 106extern rtx fusion_wrap_memory_address (rtx); 107extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, 108 enum reg_class); 109extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class, 110 machine_mode, 111 rtx); 112extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, 113 enum reg_class, 114 machine_mode); 115extern bool (*rs6000_cannot_change_mode_class_ptr) (machine_mode, 116 machine_mode, 117 enum reg_class); 118extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool); 119extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool); 120extern int paired_emit_vector_cond_expr (rtx, rtx, rtx, 121 rtx, rtx, rtx); 122extern void paired_expand_vector_move (rtx operands[]); 123 124 125extern int ccr_bit (rtx, int); 126extern void rs6000_output_function_entry (FILE *, const char *); 127extern void print_operand (FILE *, rtx, int); 128extern void print_operand_address (FILE *, rtx); 129extern enum rtx_code rs6000_reverse_condition (machine_mode, 130 enum rtx_code); 131extern rtx rs6000_emit_eqne (machine_mode, rtx, rtx, rtx); 132extern void rs6000_emit_sISEL (machine_mode, rtx[]); 133extern void rs6000_emit_sCOND (machine_mode, rtx[]); 134extern void rs6000_emit_cbranch (machine_mode, rtx[]); 135extern char * output_cbranch (rtx, const char *, int, rtx_insn *); 136extern char * output_e500_flip_gt_bit (rtx, rtx); 137extern const char * output_probe_stack_range (rtx, rtx); 138extern bool rs6000_emit_set_const (rtx, rtx); 139extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 140extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 141extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 142extern void rs6000_expand_atomic_compare_and_swap (rtx op[]); 143extern void rs6000_expand_atomic_exchange (rtx op[]); 144extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 145extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool); 146extern void rs6000_emit_swsqrt (rtx, rtx, bool); 147extern void output_toc (FILE *, rtx, int, machine_mode); 148extern rtx rs6000_longcall_ref (rtx); 149extern void rs6000_fatal_bad_address (rtx); 150extern rtx create_TOC_reference (rtx, rtx); 151extern void rs6000_split_multireg_move (rtx, rtx); 152extern void rs6000_emit_le_vsx_move (rtx, rtx, machine_mode); 153extern bool valid_sf_si_move (rtx, rtx, machine_mode); 154extern void rs6000_emit_move (rtx, rtx, machine_mode); 155extern rtx rs6000_secondary_memory_needed_rtx (machine_mode); 156extern machine_mode rs6000_secondary_memory_needed_mode (machine_mode); 157extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, machine_mode, 158 int, int, int, int *); 159extern bool rs6000_legitimate_offset_address_p (machine_mode, rtx, 160 bool, bool); 161extern rtx rs6000_find_base_term (rtx); 162extern rtx rs6000_return_addr (int, rtx); 163extern void rs6000_output_symbol_ref (FILE*, rtx); 164extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 165extern void rs6000_emit_popcount (rtx, rtx); 166extern void rs6000_emit_parity (rtx, rtx); 167 168extern rtx rs6000_machopic_legitimize_pic_address (rtx, machine_mode, 169 rtx); 170extern rtx rs6000_address_for_fpconvert (rtx); 171extern rtx rs6000_address_for_altivec (rtx); 172extern rtx rs6000_allocate_stack_temp (machine_mode, bool, bool); 173extern int rs6000_loop_align (rtx); 174extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool); 175#endif /* RTX_CODE */ 176 177#ifdef TREE_CODE 178extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align); 179extern bool rs6000_special_adjust_field_align_p (tree, unsigned int); 180extern unsigned int rs6000_special_round_type_align (tree, unsigned int, 181 unsigned int); 182extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int, 183 unsigned int); 184extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *); 185extern rtx rs6000_libcall_value (machine_mode); 186extern rtx rs6000_va_arg (tree, tree); 187extern int function_ok_for_sibcall (tree); 188extern int rs6000_reg_parm_stack_space (tree, bool); 189extern void rs6000_asm_weaken_decl (FILE *, tree, const char *, const char *); 190extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree); 191extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree); 192extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree, 193 const char *, 194 unsigned HOST_WIDE_INT, 195 unsigned HOST_WIDE_INT); 196extern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 197extern bool rs6000_elf_in_small_data_p (const_tree); 198#ifdef ARGS_SIZE_RTX 199/* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 200extern enum direction function_arg_padding (machine_mode, const_tree); 201#endif /* ARGS_SIZE_RTX */ 202 203#endif /* TREE_CODE */ 204 205extern int direct_return (void); 206extern int first_reg_to_save (void); 207extern int first_fp_reg_to_save (void); 208extern void output_ascii (FILE *, const char *, int); 209extern void rs6000_gen_section_name (char **, const char *, const char *); 210extern void output_function_profiler (FILE *, int); 211extern void output_profile_hook (int); 212extern int rs6000_trampoline_size (void); 213extern alias_set_type get_TOC_alias_set (void); 214extern void rs6000_emit_prologue (void); 215extern void rs6000_emit_load_toc_table (int); 216extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int); 217extern void rs6000_emit_epilogue (int); 218extern void rs6000_expand_split_stack_prologue (void); 219extern void rs6000_split_stack_space_check (rtx, rtx); 220extern void rs6000_emit_eh_reg_restore (rtx, rtx); 221extern const char * output_isel (rtx *); 222extern void rs6000_call_aix (rtx, rtx, rtx, rtx); 223extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx); 224extern void rs6000_aix_asm_output_dwarf_table_ref (char *); 225extern void get_ppc476_thunk_name (char name[32]); 226extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins); 227extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins); 228extern int rs6000_store_data_bypass_p (rtx_insn *, rtx_insn *); 229extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void); 230extern void rs6000_asm_output_dwarf_pcrel (FILE *file, int size, 231 const char *label); 232extern void rs6000_asm_output_dwarf_datarel (FILE *file, int size, 233 const char *label); 234 235/* Declare functions in rs6000-c.c */ 236 237extern void rs6000_pragma_longcall (struct cpp_reader *); 238extern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 239#ifdef TREE_CODE 240extern bool rs6000_pragma_target_parse (tree, tree); 241#endif 242extern void rs6000_activate_target_options (tree new_tree); 243extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT); 244extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT, 245 HOST_WIDE_INT); 246 247#if TARGET_MACHO 248char *output_call (rtx_insn *, rtx *, int, int); 249#endif 250 251#ifdef NO_DOLLAR_IN_LABEL 252const char * rs6000_xcoff_strip_dollar (const char *); 253#endif 254 255void rs6000_final_prescan_insn (rtx_insn *, rtx *operand, int num_operands); 256 257extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 258extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES]; 259extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER]; 260 261extern bool rs6000_linux_float_exceptions_rounding_supported_p (void); 262 263/* Pass management. */ 264namespace gcc { class context; } 265class rtl_opt_pass; 266 267extern rtl_opt_pass *make_pass_analyze_swaps (gcc::context *); 268 269#endif /* rs6000-protos.h */ 270