1 /* Definitions of target machine for GNU compiler, for IBM RS/6000. 2 Copyright (C) 2000-2013 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 bool rs6000_move_128bit_ok_p (rtx []); 55 extern bool rs6000_split_128bit_ok_p (rtx []); 56 extern void rs6000_expand_vector_init (rtx, rtx); 57 extern void paired_expand_vector_init (rtx, rtx); 58 extern void rs6000_expand_vector_set (rtx, rtx, int); 59 extern void rs6000_expand_vector_extract (rtx, rtx, int); 60 extern bool altivec_expand_vec_perm_const (rtx op[4]); 61 extern void altivec_expand_vec_perm_le (rtx op[4]); 62 extern bool rs6000_expand_vec_perm_const (rtx op[4]); 63 extern void altivec_expand_lvx_be (rtx, rtx, enum machine_mode, unsigned); 64 extern void altivec_expand_stvx_be (rtx, rtx, enum machine_mode, unsigned); 65 extern void altivec_expand_stvex_be (rtx, rtx, enum machine_mode, unsigned); 66 extern void rs6000_expand_extract_even (rtx, rtx, rtx); 67 extern void rs6000_expand_interleave (rtx, rtx, rtx, bool); 68 extern void rs6000_scale_v2df (rtx, rtx, int); 69 extern void build_mask64_2_operands (rtx, rtx *); 70 extern int expand_block_clear (rtx[]); 71 extern int expand_block_move (rtx[]); 72 extern const char * rs6000_output_load_multiple (rtx[]); 73 extern int includes_lshift_p (rtx, rtx); 74 extern int includes_rshift_p (rtx, rtx); 75 extern int includes_rldic_lshift_p (rtx, rtx); 76 extern int includes_rldicr_lshift_p (rtx, rtx); 77 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx); 78 extern int registers_ok_for_quad_peep (rtx, rtx); 79 extern int mems_ok_for_quad_peep (rtx, rtx); 80 extern bool gpr_or_gpr_p (rtx, rtx); 81 extern bool direct_move_p (rtx, rtx); 82 extern bool quad_load_store_p (rtx, rtx); 83 extern bool fusion_gpr_load_p (rtx, rtx, rtx, rtx); 84 extern void expand_fusion_gpr_load (rtx *); 85 extern const char *emit_fusion_gpr_load (rtx, rtx); 86 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, 87 enum reg_class); 88 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class, 89 enum machine_mode, 90 rtx); 91 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, 92 enum reg_class, 93 enum machine_mode); 94 extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode, 95 enum machine_mode, 96 enum reg_class); 97 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool); 98 extern void rs6000_secondary_reload_gpr (rtx, rtx, rtx, bool); 99 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx, 100 rtx, rtx, rtx); 101 extern void paired_expand_vector_move (rtx operands[]); 102 103 104 extern int ccr_bit (rtx, int); 105 extern int extract_MB (rtx); 106 extern int extract_ME (rtx); 107 extern void rs6000_output_function_entry (FILE *, const char *); 108 extern void print_operand (FILE *, rtx, int); 109 extern void print_operand_address (FILE *, rtx); 110 extern enum rtx_code rs6000_reverse_condition (enum machine_mode, 111 enum rtx_code); 112 extern void rs6000_emit_sISEL (enum machine_mode, rtx[]); 113 extern void rs6000_emit_sCOND (enum machine_mode, rtx[]); 114 extern void rs6000_emit_cbranch (enum machine_mode, rtx[]); 115 extern char * output_cbranch (rtx, const char *, int, rtx); 116 extern char * output_e500_flip_gt_bit (rtx, rtx); 117 extern const char * output_probe_stack_range (rtx, rtx); 118 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int); 119 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 120 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 121 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 122 extern void rs6000_expand_atomic_compare_and_swap (rtx op[]); 123 extern void rs6000_expand_atomic_exchange (rtx op[]); 124 extern void rs6000_expand_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 125 extern void rs6000_emit_swdiv (rtx, rtx, rtx, bool); 126 extern void rs6000_emit_swrsqrt (rtx, rtx); 127 extern void output_toc (FILE *, rtx, int, enum machine_mode); 128 extern rtx rs6000_longcall_ref (rtx); 129 extern void rs6000_fatal_bad_address (rtx); 130 extern rtx create_TOC_reference (rtx, rtx); 131 extern void rs6000_split_multireg_move (rtx, rtx); 132 extern void rs6000_emit_le_vsx_move (rtx, rtx, enum machine_mode); 133 extern void rs6000_emit_move (rtx, rtx, enum machine_mode); 134 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode); 135 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode, 136 int, int, int, int *); 137 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, 138 bool, bool); 139 extern rtx rs6000_find_base_term (rtx); 140 extern rtx rs6000_return_addr (int, rtx); 141 extern void rs6000_output_symbol_ref (FILE*, rtx); 142 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 143 extern void rs6000_emit_popcount (rtx, rtx); 144 extern void rs6000_emit_parity (rtx, rtx); 145 146 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode, 147 rtx); 148 extern rtx rs6000_address_for_fpconvert (rtx); 149 extern rtx rs6000_address_for_altivec (rtx); 150 extern rtx rs6000_allocate_stack_temp (enum machine_mode, bool, bool); 151 extern int rs6000_loop_align (rtx); 152 extern void rs6000_split_logical (rtx [], enum rtx_code, bool, bool, bool, rtx); 153 #endif /* RTX_CODE */ 154 155 #ifdef TREE_CODE 156 extern unsigned int rs6000_data_alignment (tree, unsigned int, enum data_align); 157 extern bool rs6000_special_adjust_field_align_p (tree, unsigned int); 158 extern unsigned int rs6000_special_round_type_align (tree, unsigned int, 159 unsigned int); 160 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int, 161 unsigned int); 162 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *); 163 extern rtx rs6000_libcall_value (enum machine_mode); 164 extern rtx rs6000_va_arg (tree, tree); 165 extern int function_ok_for_sibcall (tree); 166 extern int rs6000_reg_parm_stack_space (tree, bool); 167 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 168 extern bool rs6000_elf_in_small_data_p (const_tree); 169 #ifdef ARGS_SIZE_RTX 170 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 171 extern enum direction function_arg_padding (enum machine_mode, const_tree); 172 #endif /* ARGS_SIZE_RTX */ 173 174 #endif /* TREE_CODE */ 175 176 extern int direct_return (void); 177 extern int first_reg_to_save (void); 178 extern int first_fp_reg_to_save (void); 179 extern void output_ascii (FILE *, const char *, int); 180 extern void rs6000_gen_section_name (char **, const char *, const char *); 181 extern void output_function_profiler (FILE *, int); 182 extern void output_profile_hook (int); 183 extern int rs6000_trampoline_size (void); 184 extern alias_set_type get_TOC_alias_set (void); 185 extern void rs6000_emit_prologue (void); 186 extern void rs6000_emit_load_toc_table (int); 187 extern unsigned int rs6000_dbx_register_number (unsigned int); 188 extern void rs6000_emit_epilogue (int); 189 extern void rs6000_emit_eh_reg_restore (rtx, rtx); 190 extern const char * output_isel (rtx *); 191 extern void rs6000_call_aix (rtx, rtx, rtx, rtx); 192 extern void rs6000_sibcall_aix (rtx, rtx, rtx, rtx); 193 extern void rs6000_aix_asm_output_dwarf_table_ref (char *); 194 extern void get_ppc476_thunk_name (char name[32]); 195 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins); 196 extern HOST_WIDE_INT rs6000_builtin_mask_calculate (void); 197 198 /* Declare functions in rs6000-c.c */ 199 200 extern void rs6000_pragma_longcall (struct cpp_reader *); 201 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 202 #ifdef TREE_CODE 203 extern bool rs6000_pragma_target_parse (tree, tree); 204 #endif 205 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT, HOST_WIDE_INT); 206 extern void (*rs6000_target_modify_macros_ptr) (bool, HOST_WIDE_INT, 207 HOST_WIDE_INT); 208 209 #if TARGET_MACHO 210 char *output_call (rtx, rtx *, int, int); 211 #endif 212 213 #ifdef NO_DOLLAR_IN_LABEL 214 const char * rs6000_xcoff_strip_dollar (const char *); 215 #endif 216 217 void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands); 218 219 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 220 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES]; 221 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER]; 222 #endif /* rs6000-protos.h */ 223