1 /* Definitions of target machine for GNU compiler, for IBM RS/6000. 2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 3 2010, 2011 4 Free Software Foundation, Inc. 5 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 3, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING3. If not see 21 <http://www.gnu.org/licenses/>. */ 22 23 #ifndef GCC_RS6000_PROTOS_H 24 #define GCC_RS6000_PROTOS_H 25 26 /* Declare functions in rs6000.c */ 27 28 #ifdef RTX_CODE 29 30 #ifdef TREE_CODE 31 extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int); 32 #endif /* TREE_CODE */ 33 34 extern bool easy_altivec_constant (rtx, enum machine_mode); 35 extern HOST_WIDE_INT const_vector_elt_as_int (rtx, unsigned int); 36 extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode); 37 extern int num_insns_constant (rtx, enum machine_mode); 38 extern int num_insns_constant_wide (HOST_WIDE_INT); 39 extern int small_data_operand (rtx, enum machine_mode); 40 extern bool toc_relative_expr_p (rtx); 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 (rtx); 44 extern bool legitimate_indirect_address_p (rtx, int); 45 extern bool legitimate_indexed_address_p (rtx, int); 46 extern bool avoiding_indexed_address_p (enum machine_mode); 47 48 extern rtx rs6000_got_register (rtx); 49 extern rtx find_addr_reg (rtx); 50 extern rtx gen_easy_altivec_constant (rtx); 51 extern const char *output_vec_const_move (rtx *); 52 extern void rs6000_expand_vector_init (rtx, rtx); 53 extern void paired_expand_vector_init (rtx, rtx); 54 extern void rs6000_expand_vector_set (rtx, rtx, int); 55 extern void rs6000_expand_vector_extract (rtx, rtx, int); 56 extern void build_mask64_2_operands (rtx, rtx *); 57 extern int expand_block_clear (rtx[]); 58 extern int expand_block_move (rtx[]); 59 extern const char * rs6000_output_load_multiple (rtx[]); 60 extern int includes_lshift_p (rtx, rtx); 61 extern int includes_rshift_p (rtx, rtx); 62 extern int includes_rldic_lshift_p (rtx, rtx); 63 extern int includes_rldicr_lshift_p (rtx, rtx); 64 extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx); 65 extern int registers_ok_for_quad_peep (rtx, rtx); 66 extern int mems_ok_for_quad_peep (rtx, rtx); 67 extern bool gpr_or_gpr_p (rtx, rtx); 68 extern enum reg_class (*rs6000_preferred_reload_class_ptr) (rtx, 69 enum reg_class); 70 extern enum reg_class (*rs6000_secondary_reload_class_ptr) (enum reg_class, 71 enum machine_mode, 72 rtx); 73 extern bool (*rs6000_secondary_memory_needed_ptr) (enum reg_class, 74 enum reg_class, 75 enum machine_mode); 76 extern bool (*rs6000_cannot_change_mode_class_ptr) (enum machine_mode, 77 enum machine_mode, 78 enum reg_class); 79 extern void rs6000_secondary_reload_inner (rtx, rtx, rtx, bool); 80 extern int paired_emit_vector_cond_expr (rtx, rtx, rtx, 81 rtx, rtx, rtx); 82 extern void paired_expand_vector_move (rtx operands[]); 83 84 85 extern int ccr_bit (rtx, int); 86 extern int extract_MB (rtx); 87 extern int extract_ME (rtx); 88 extern void rs6000_output_function_entry (FILE *, const char *); 89 extern void print_operand (FILE *, rtx, int); 90 extern void print_operand_address (FILE *, rtx); 91 extern bool rs6000_output_addr_const_extra (FILE *, rtx); 92 extern enum rtx_code rs6000_reverse_condition (enum machine_mode, 93 enum rtx_code); 94 extern void rs6000_emit_sISEL (enum machine_mode, rtx[]); 95 extern void rs6000_emit_sCOND (enum machine_mode, rtx[]); 96 extern void rs6000_emit_cbranch (enum machine_mode, rtx[]); 97 extern char * output_cbranch (rtx, const char *, int, rtx); 98 extern char * output_e500_flip_gt_bit (rtx, rtx); 99 extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int); 100 extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 101 extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 102 extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 103 extern void rs6000_emit_sync (enum rtx_code, enum machine_mode, 104 rtx, rtx, rtx, rtx, bool); 105 extern void rs6000_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 106 extern void rs6000_split_compare_and_swap (rtx, rtx, rtx, rtx, rtx); 107 extern void rs6000_expand_compare_and_swapqhi (rtx, rtx, rtx, rtx); 108 extern void rs6000_split_compare_and_swapqhi (rtx, rtx, rtx, rtx, rtx, rtx); 109 extern void rs6000_split_lock_test_and_set (rtx, rtx, rtx, rtx); 110 extern void rs6000_emit_swdivsf (rtx, rtx, rtx); 111 extern void rs6000_emit_swdivdf (rtx, rtx, rtx); 112 extern void rs6000_emit_swrsqrtsf (rtx, rtx); 113 extern void output_toc (FILE *, rtx, int, enum machine_mode); 114 extern rtx rs6000_longcall_ref (rtx); 115 extern void rs6000_fatal_bad_address (rtx); 116 extern rtx create_TOC_reference (rtx); 117 extern void rs6000_split_multireg_move (rtx, rtx); 118 extern void rs6000_emit_move (rtx, rtx, enum machine_mode); 119 extern rtx rs6000_secondary_memory_needed_rtx (enum machine_mode); 120 extern rtx (*rs6000_legitimize_reload_address_ptr) (rtx, enum machine_mode, 121 int, int, int, int *); 122 extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int); 123 extern bool (*rs6000_mode_dependent_address_ptr) (rtx); 124 extern rtx rs6000_find_base_term (rtx); 125 extern bool rs6000_offsettable_memref_p (rtx); 126 extern rtx rs6000_return_addr (int, rtx); 127 extern void rs6000_output_symbol_ref (FILE*, rtx); 128 extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 129 extern void rs6000_emit_popcount (rtx, rtx); 130 extern void rs6000_emit_parity (rtx, rtx); 131 132 extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode, 133 rtx); 134 extern rtx rs6000_address_for_altivec (rtx); 135 #endif /* RTX_CODE */ 136 137 #ifdef TREE_CODE 138 extern unsigned int rs6000_special_round_type_align (tree, unsigned int, 139 unsigned int); 140 extern unsigned int darwin_rs6000_special_round_type_align (tree, unsigned int, 141 unsigned int); 142 extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, 143 tree, int, int); 144 extern int function_arg_boundary (enum machine_mode, tree); 145 extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 146 extern tree altivec_resolve_overloaded_builtin (location_t, tree, void *); 147 extern rtx rs6000_libcall_value (enum machine_mode); 148 extern rtx rs6000_va_arg (tree, tree); 149 extern int function_ok_for_sibcall (tree); 150 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 151 extern bool rs6000_elf_in_small_data_p (const_tree); 152 #ifdef ARGS_SIZE_RTX 153 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 154 extern enum direction function_arg_padding (enum machine_mode, const_tree); 155 #endif /* ARGS_SIZE_RTX */ 156 157 #endif /* TREE_CODE */ 158 159 extern void optimization_options (int, int); 160 extern void rs6000_override_options (const char *); 161 extern int direct_return (void); 162 extern int first_reg_to_save (void); 163 extern int first_fp_reg_to_save (void); 164 extern void output_ascii (FILE *, const char *, int); 165 extern void rs6000_gen_section_name (char **, const char *, const char *); 166 extern void output_function_profiler (FILE *, int); 167 extern void output_profile_hook (int); 168 extern int rs6000_trampoline_size (void); 169 extern alias_set_type get_TOC_alias_set (void); 170 extern void rs6000_emit_prologue (void); 171 extern void rs6000_emit_load_toc_table (int); 172 extern unsigned int rs6000_dbx_register_number (unsigned int); 173 extern void rs6000_emit_epilogue (int); 174 extern void rs6000_emit_eh_reg_restore (rtx, rtx); 175 extern const char * output_isel (rtx *); 176 extern int rs6000_register_move_cost (enum machine_mode, 177 enum reg_class, enum reg_class); 178 extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int); 179 extern bool rs6000_tls_referenced_p (rtx); 180 extern void rs6000_conditional_register_usage (void); 181 182 extern void rs6000_aix_asm_output_dwarf_table_ref (char *); 183 184 /* Declare functions in rs6000-c.c */ 185 186 extern void rs6000_pragma_longcall (struct cpp_reader *); 187 extern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 188 189 #if TARGET_MACHO 190 char *output_call (rtx, rtx *, int, int); 191 #endif 192 193 #ifdef NO_DOLLAR_IN_LABEL 194 const char * rs6000_xcoff_strip_dollar (const char *); 195 #endif 196 197 void rs6000_final_prescan_insn (rtx, rtx *operand, int num_operands); 198 199 extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 200 extern unsigned char rs6000_class_max_nregs[][LIM_REG_CLASSES]; 201 extern unsigned char rs6000_hard_regno_nregs[][FIRST_PSEUDO_REGISTER]; 202 #endif /* rs6000-protos.h */ 203