1 /* Definitions of target machine for GNU compiler for Renesas / SuperH SH. 2 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2003, 3 2004, 2005 4 Free Software Foundation, Inc. 5 Contributed by Steve Chamberlain (sac@cygnus.com). 6 Improved by Jim Wilson (wilson@cygnus.com). 7 8 This file is part of GCC. 9 10 GCC is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2, or (at your option) 13 any later version. 14 15 GCC is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with GCC; see the file COPYING. If not, write to 22 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 23 Boston, MA 02110-1301, USA. */ 24 25 #ifndef GCC_SH_PROTOS_H 26 #define GCC_SH_PROTOS_H 27 28 enum sh_function_kind { 29 /* A function with normal C ABI */ 30 FUNCTION_ORDINARY, 31 /* A special function that guarantees that some otherwise call-clobbered 32 registers are not clobbered. These can't go through the SH5 resolver, 33 because it only saves argument passing registers. */ 34 SFUNC_GOT, 35 /* A special function that should be linked statically. These are typically 36 smaller or not much larger than a PLT entry. 37 Some also have a non-standard ABI which precludes dynamic linking. */ 38 SFUNC_STATIC 39 }; 40 41 #ifdef RTX_CODE 42 extern rtx sh_fsca_sf2int (void); 43 extern rtx sh_fsca_df2int (void); 44 extern rtx sh_fsca_int2sf (void); 45 extern struct rtx_def *prepare_scc_operands (enum rtx_code); 46 47 /* Declare functions defined in sh.c and used in templates. */ 48 49 extern const char *output_branch (int, rtx, rtx *); 50 extern const char *output_ieee_ccmpeq (rtx, rtx *); 51 extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *); 52 extern const char *output_movedouble (rtx, rtx[], enum machine_mode); 53 extern const char *output_movepcrel (rtx, rtx[], enum machine_mode); 54 extern const char *output_far_jump (rtx, rtx); 55 56 extern struct rtx_def *sfunc_uses_reg (rtx); 57 extern int barrier_align (rtx); 58 extern int sh_loop_align (rtx); 59 extern int fp_zero_operand (rtx); 60 extern int fp_one_operand (rtx); 61 extern int fp_int_operand (rtx); 62 extern rtx get_fpscr_rtx (void); 63 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx); 64 extern int nonpic_symbol_mentioned_p (rtx); 65 extern void emit_sf_insn (rtx); 66 extern void emit_df_insn (rtx); 67 extern void print_operand_address (FILE *, rtx); 68 extern void print_operand (FILE *, rtx, int); 69 extern void output_pic_addr_const (FILE *, rtx); 70 extern int expand_block_move (rtx *); 71 extern int prepare_move_operands (rtx[], enum machine_mode mode); 72 extern void from_compare (rtx *, int); 73 extern int shift_insns_rtx (rtx); 74 extern void gen_ashift (int, int, rtx); 75 extern void gen_ashift_hi (int, int, rtx); 76 extern void gen_shifty_op (int, rtx *); 77 extern void gen_shifty_hi_op (int, rtx *); 78 extern int expand_ashiftrt (rtx *); 79 extern int sh_dynamicalize_shift_p (rtx); 80 extern int shl_and_kind (rtx, rtx, int *); 81 extern int shl_and_length (rtx); 82 extern int shl_and_scr_length (rtx); 83 extern int gen_shl_and (rtx, rtx, rtx, rtx); 84 extern int shl_sext_kind (rtx, rtx, int *); 85 extern int shl_sext_length (rtx); 86 extern int gen_shl_sext (rtx, rtx, rtx, rtx); 87 extern rtx gen_datalabel_ref (rtx); 88 extern int regs_used (rtx, int); 89 extern void fixup_addr_diff_vecs (rtx); 90 extern int get_dest_uid (rtx, int); 91 extern void final_prescan_insn (rtx, rtx *, int); 92 extern int symbol_ref_operand (rtx, enum machine_mode); 93 extern int tls_symbolic_operand (rtx, enum machine_mode); 94 extern int system_reg_operand (rtx, enum machine_mode); 95 extern int general_movsrc_operand (rtx, enum machine_mode); 96 extern int general_movdst_operand (rtx, enum machine_mode); 97 extern int arith_reg_operand (rtx, enum machine_mode); 98 extern int fp_arith_reg_operand (rtx, enum machine_mode); 99 extern int arith_operand (rtx, enum machine_mode); 100 extern int arith_reg_or_0_operand (rtx, enum machine_mode); 101 extern int logical_operand (rtx, enum machine_mode); 102 extern int tertiary_reload_operand (rtx, enum machine_mode); 103 extern int fpscr_operand (rtx, enum machine_mode); 104 extern int fpul_operand (rtx, enum machine_mode); 105 extern int commutative_float_operator (rtx, enum machine_mode); 106 extern int noncommutative_float_operator (rtx, enum machine_mode); 107 extern int reg_unused_after (rtx, rtx); 108 extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *); 109 extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); 110 extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *); 111 extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); 112 extern void expand_fp_branch (rtx (*)(void), rtx (*)(void)); 113 extern int sh_insn_length_adjustment (rtx); 114 extern int sh_can_redirect_branch (rtx, rtx); 115 extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx); 116 extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx); 117 extern int sh_expand_t_scc (enum rtx_code code, rtx target); 118 extern rtx sh_gen_truncate (enum machine_mode, rtx, int); 119 extern bool sh_vector_mode_supported_p (enum machine_mode); 120 #ifdef TREE_CODE 121 extern void sh_va_start (tree, rtx); 122 #endif /* TREE_CODE */ 123 #endif /* RTX_CODE */ 124 125 extern const char *output_jump_label_table (void); 126 extern int sh_handle_pragma (int (*)(void), void (*)(int), const char *); 127 extern struct rtx_def *get_fpscr_rtx (void); 128 extern int sh_media_register_for_return (void); 129 extern void sh_expand_prologue (void); 130 extern void sh_expand_epilogue (bool); 131 extern int sh_need_epilogue (void); 132 extern void sh_set_return_address (rtx, rtx); 133 extern int initial_elimination_offset (int, int); 134 extern int fldi_ok (void); 135 extern int sh_hard_regno_rename_ok (unsigned int, unsigned int); 136 extern int sh_cfun_interrupt_handler_p (void); 137 extern int sh_attr_renesas_p (tree); 138 extern int sh_cfun_attr_renesas_p (void); 139 extern void sh_initialize_trampoline (rtx, rtx, rtx); 140 extern bool sh_cannot_change_mode_class 141 (enum machine_mode, enum machine_mode, enum reg_class); 142 extern void sh_mark_label (rtx, int); 143 extern int sh_register_move_cost 144 (enum machine_mode mode, enum reg_class, enum reg_class); 145 extern int check_use_sfunc_addr (rtx, rtx); 146 147 #ifdef HARD_CONST 148 extern void fpscr_set_from_mem (int, HARD_REG_SET); 149 #endif 150 151 extern void sh_pr_interrupt (struct cpp_reader *); 152 extern void sh_pr_trapa (struct cpp_reader *); 153 extern void sh_pr_nosave_low_regs (struct cpp_reader *); 154 extern rtx function_symbol (rtx, const char *, enum sh_function_kind); 155 extern rtx sh_get_pr_initial_val (void); 156 157 extern void sh_override_options (void); 158 159 extern rtx sh_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 160 extern void sh_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 161 extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree); 162 extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode); 163 extern bool sh_promote_prototypes (tree); 164 165 extern rtx replace_n_hard_rtx (rtx, rtx *, int , int); 166 extern int shmedia_cleanup_truncate (rtx *, void *); 167 168 extern int sh_contains_memref_p (rtx); 169 extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall); 170 struct secondary_reload_info; 171 extern enum reg_class sh_secondary_reload (bool, rtx, enum reg_class, 172 enum machine_mode, 173 struct secondary_reload_info *); 174 175 #endif /* ! GCC_SH_PROTOS_H */ 176 177 #ifdef SYMBIAN 178 extern bool sh_symbian_dllimport_name_p (const char *); 179 extern const char * sh_symbian_strip_name_encoding (const char *); 180 extern bool sh_symbian_dllexport_name_p (const char *); 181 extern int symbian_import_export_class (tree, int); 182 #ifdef TREE_CODE 183 extern bool sh_symbian_dllexport_p (tree); 184 extern tree sh_symbian_handle_dll_attribute (tree *, tree, tree, int, bool *); 185 #ifdef RTX_CODE 186 extern void sh_symbian_encode_section_info (tree, rtx, int); 187 #endif 188 #endif 189 #endif /* SYMBIAN */ 190