gcc/config/rs6000/rs6000-protos.h

   1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
   2    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
   3    Free Software Foundation, Inc.
   4    Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_RS6000_PROTOS_H
  23 #define GCC_RS6000_PROTOS_H
  24
  25 /* Declare functions in rs6000.c */
  26
  27 #ifdef RTX_CODE
  28
  29 #ifdef TREE_CODE
  30 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int);
  31 #endif /* TREE_CODE */
  32
  33 extern bool easy_altivec_constant (rtx, enum machine_mode);
  34 extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode);
  35 extern int num_insns_constant (rtx, enum machine_mode);
  36 extern int num_insns_constant_wide (HOST_WIDE_INT);
  37 extern int small_data_operand (rtx, enum machine_mode);
  38 extern bool toc_relative_expr_p (rtx);
  39 extern bool invalid_e500_subreg (rtx, enum machine_mode);
  40 extern void validate_condition_mode (enum rtx_code, enum machine_mode);
  41 extern bool legitimate_constant_pool_address_p (rtx);
  42 extern bool legitimate_indirect_address_p (rtx, int);
  43 extern bool legitimate_indexed_address_p (rtx, int);
  44
  45 extern rtx rs6000_got_register (rtx);
  46 extern rtx find_addr_reg (rtx);
  47 extern rtx gen_easy_altivec_constant (rtx);
  48 extern const char *output_vec_const_move (rtx *);
  49 extern void rs6000_expand_vector_init (rtx, rtx);
  50 extern void paired_expand_vector_init (rtx, rtx);
  51 extern void rs6000_expand_vector_set (rtx, rtx, int);
  52 extern void rs6000_expand_vector_extract (rtx, rtx, int);
  53 extern void build_mask64_2_operands (rtx, rtx *);
  54 extern int expand_block_clear (rtx[]);
  55 extern int expand_block_move (rtx[]);
  56 extern const char * rs6000_output_load_multiple (rtx[]);
  57 extern int includes_lshift_p (rtx, rtx);
  58 extern int includes_rshift_p (rtx, rtx);
  59 extern int includes_rldic_lshift_p (rtx, rtx);
  60 extern int includes_rldicr_lshift_p (rtx, rtx);
  61 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
  62 extern int registers_ok_for_quad_peep (rtx, rtx);
  63 extern int mems_ok_for_quad_peep (rtx, rtx);
  64 extern bool gpr_or_gpr_p (rtx, rtx);
  65 extern enum reg_class rs6000_secondary_reload_class (enum reg_class,
  66                                                      enum machine_mode, rtx);
  67
  68 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx,
  69                                          rtx, rtx, rtx);
  70 extern void paired_expand_vector_move (rtx operands[]);
  71
  72
  73 extern int ccr_bit (rtx, int);
  74 extern int extract_MB (rtx);
  75 extern int extract_ME (rtx);
  76 extern void rs6000_output_function_entry (FILE *, const char *);
  77 extern void print_operand (FILE *, rtx, int);
  78 extern void print_operand_address (FILE *, rtx);
  79 extern enum rtx_code rs6000_reverse_condition (enum machine_mode,
  80                                                enum rtx_code);
  81 extern void rs6000_emit_sCOND (enum rtx_code, rtx);
  82 extern void rs6000_emit_cbranch (enum rtx_code, rtx);
  83 extern char * output_cbranch (rtx, const char *, int, rtx);
  84 extern char * output_e500_flip_gt_bit (rtx, rtx);
  85 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int);
  86 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx);
  87 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx);
  88 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx);
  89 extern void rs6000_emit_sync (enum rtx_code, enum machine_mode,
  90                               rtx, rtx, rtx, rtx, bool);
  91 extern void rs6000_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx);
  92 extern void rs6000_split_compare_and_swap (rtx, rtx, rtx, rtx, rtx);
  93 extern void rs6000_expand_compare_and_swapqhi (rtx, rtx, rtx, rtx);
  94 extern void rs6000_split_compare_and_swapqhi (rtx, rtx, rtx, rtx, rtx, rtx);
  95 extern void rs6000_split_lock_test_and_set (rtx, rtx, rtx, rtx);
  96 extern void rs6000_emit_swdivsf (rtx, rtx, rtx);
  97 extern void rs6000_emit_swdivdf (rtx, rtx, rtx);
  98 extern void rs6000_emit_swrsqrtsf (rtx, rtx);
  99 extern void output_toc (FILE *, rtx, int, enum machine_mode);
 100 extern void rs6000_initialize_trampoline (rtx, rtx, rtx);
 101 extern rtx rs6000_longcall_ref (rtx);
 102 extern void rs6000_fatal_bad_address (rtx);
 103 extern rtx create_TOC_reference (rtx);
 104 extern void rs6000_split_multireg_move (rtx, rtx);
 105 extern void rs6000_emit_move (rtx, rtx, enum machine_mode);
 106 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode);
 107 extern rtx rs6000_legitimize_address (rtx, rtx, enum machine_mode);
 108 extern rtx rs6000_legitimize_reload_address (rtx, enum machine_mode,
 109                                              int, int, int, int *);
 110 extern int rs6000_legitimate_address (enum machine_mode, rtx, int);
 111 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int);
 112 extern bool rs6000_mode_dependent_address (rtx);
 113 extern bool rs6000_offsettable_memref_p (rtx);
 114 extern rtx rs6000_return_addr (int, rtx);
 115 extern void rs6000_output_symbol_ref (FILE*, rtx);
 116 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int);
 117 extern void rs6000_emit_popcount (rtx, rtx);
 118 extern void rs6000_emit_parity (rtx, rtx);
 119
 120 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode,
 121                                                    rtx);
 122 #endif /* RTX_CODE */
 123
 124 #ifdef TREE_CODE
 125 extern unsigned int rs6000_special_round_type_align (tree, unsigned int,
 126                                                      unsigned int);
 127 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int,
 128                                                             unsigned int);
 129 extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
 130                                   tree, int, int);
 131 extern int function_arg_boundary (enum machine_mode, tree);
 132 extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 133 extern tree altivec_resolve_overloaded_builtin (tree, tree);
 134 extern rtx rs6000_function_value (const_tree, const_tree);
 135 extern rtx rs6000_libcall_value (enum machine_mode);
 136 extern rtx rs6000_va_arg (tree, tree);
 137 extern int function_ok_for_sibcall (tree);
 138 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree);
 139 extern bool rs6000_elf_in_small_data_p (const_tree);
 140 #ifdef ARGS_SIZE_RTX
 141 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
 142 extern enum direction function_arg_padding (enum machine_mode, const_tree);
 143 #endif /* ARGS_SIZE_RTX */
 144
 145 #endif /* TREE_CODE */
 146
 147 extern void optimization_options (int, int);
 148 extern void rs6000_override_options (const char *);
 149 extern int direct_return (void);
 150 extern int first_reg_to_save (void);
 151 extern int first_fp_reg_to_save (void);
 152 extern void output_ascii (FILE *, const char *, int);
 153 extern void rs6000_gen_section_name (char **, const char *, const char *);
 154 extern void output_function_profiler (FILE *, int);
 155 extern void output_profile_hook  (int);
 156 extern int rs6000_trampoline_size (void);
 157 extern alias_set_type get_TOC_alias_set (void);
 158 extern void rs6000_emit_prologue (void);
 159 extern void rs6000_emit_load_toc_table (int);
 160 extern void rs6000_aix_emit_builtin_unwind_init (void);
 161 extern unsigned int rs6000_dbx_register_number (unsigned int);
 162 extern void rs6000_emit_epilogue (int);
 163 extern void rs6000_emit_eh_reg_restore (rtx, rtx);
 164 extern const char * output_isel (rtx *);
 165 extern int rs6000_register_move_cost (enum machine_mode,
 166                                       enum reg_class, enum reg_class);
 167 extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int);
 168 extern bool rs6000_tls_referenced_p (rtx);
 169 extern int rs6000_hard_regno_nregs (int, enum machine_mode);
 170 extern void rs6000_conditional_register_usage (void);
 171
 172 /* Declare functions in rs6000-c.c */
 173
 174 extern void rs6000_pragma_longcall (struct cpp_reader *);
 175 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *);
 176
 177 #if TARGET_MACHO
 178 char *output_call (rtx, rtx *, int, int);
 179 #endif
 180
 181 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER];
 182 #endif  /* rs6000-protos.h */