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, 2006, 2007, 2008, 2009 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 3, 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 COPYING3. If not see 22 <http://www.gnu.org/licenses/>. */ 23 24 #ifndef GCC_SH_PROTOS_H 25 #define GCC_SH_PROTOS_H 26 27 enum sh_function_kind { 28 /* A function with normal C ABI */ 29 FUNCTION_ORDINARY, 30 /* A special function that guarantees that some otherwise call-clobbered 31 registers are not clobbered. These can't go through the SH5 resolver, 32 because it only saves argument passing registers. */ 33 SFUNC_GOT, 34 /* A special function that should be linked statically. These are typically 35 smaller or not much larger than a PLT entry. 36 Some also have a non-standard ABI which precludes dynamic linking. */ 37 SFUNC_STATIC 38 }; 39 40 #ifdef RTX_CODE 41 extern rtx sh_fsca_sf2int (void); 42 extern rtx sh_fsca_df2int (void); 43 extern rtx sh_fsca_int2sf (void); 44 45 /* Declare functions defined in sh.c and used in templates. */ 46 47 extern const char *output_branch (int, rtx, rtx *); 48 extern const char *output_ieee_ccmpeq (rtx, rtx *); 49 extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *); 50 extern const char *output_movedouble (rtx, rtx[], enum machine_mode); 51 extern const char *output_movepcrel (rtx, rtx[], enum machine_mode); 52 extern const char *output_far_jump (rtx, rtx); 53 54 extern struct rtx_def *sfunc_uses_reg (rtx); 55 extern int barrier_align (rtx); 56 extern int sh_loop_align (rtx); 57 extern int fp_zero_operand (rtx); 58 extern int fp_one_operand (rtx); 59 extern int fp_int_operand (rtx); 60 extern rtx get_fpscr_rtx (void); 61 extern bool sh_legitimate_index_p (enum machine_mode, rtx); 62 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx); 63 extern int nonpic_symbol_mentioned_p (rtx); 64 extern void emit_sf_insn (rtx); 65 extern void emit_df_insn (rtx); 66 extern void print_operand_address (FILE *, rtx); 67 extern void print_operand (FILE *, rtx, int); 68 extern void output_pic_addr_const (FILE *, rtx); 69 extern int expand_block_move (rtx *); 70 extern int prepare_move_operands (rtx[], enum machine_mode mode); 71 extern enum rtx_code prepare_cbranch_operands (rtx *, enum machine_mode mode, 72 enum rtx_code comparison); 73 extern void expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int); 74 extern bool expand_cbranchdi4 (rtx *operands, enum rtx_code comparison); 75 extern void sh_emit_scc_to_t (enum rtx_code, rtx, rtx); 76 extern rtx sh_emit_cheap_store_flag (enum machine_mode, enum rtx_code, rtx, rtx); 77 extern void sh_emit_compare_and_branch (rtx *, enum machine_mode); 78 extern void sh_emit_compare_and_set (rtx *, enum machine_mode); 79 extern int shift_insns_rtx (rtx); 80 extern void gen_ashift (int, int, rtx); 81 extern void gen_ashift_hi (int, int, rtx); 82 extern void gen_shifty_op (int, rtx *); 83 extern void gen_shifty_hi_op (int, rtx *); 84 extern int expand_ashiftrt (rtx *); 85 extern int sh_dynamicalize_shift_p (rtx); 86 extern int shl_and_kind (rtx, rtx, int *); 87 extern int shl_and_length (rtx); 88 extern int shl_and_scr_length (rtx); 89 extern int gen_shl_and (rtx, rtx, rtx, rtx); 90 extern int shl_sext_kind (rtx, rtx, int *); 91 extern int shl_sext_length (rtx); 92 extern int gen_shl_sext (rtx, rtx, rtx, rtx); 93 extern rtx gen_datalabel_ref (rtx); 94 extern int regs_used (rtx, int); 95 extern void fixup_addr_diff_vecs (rtx); 96 extern int get_dest_uid (rtx, int); 97 extern void final_prescan_insn (rtx, rtx *, int); 98 extern int symbol_ref_operand (rtx, enum machine_mode); 99 extern enum tls_model tls_symbolic_operand (rtx, enum machine_mode); 100 extern int system_reg_operand (rtx, enum machine_mode); 101 extern int general_movsrc_operand (rtx, enum machine_mode); 102 extern int general_movdst_operand (rtx, enum machine_mode); 103 extern int arith_reg_operand (rtx, enum machine_mode); 104 extern int fp_arith_reg_operand (rtx, enum machine_mode); 105 extern int arith_operand (rtx, enum machine_mode); 106 extern int arith_reg_or_0_operand (rtx, enum machine_mode); 107 extern int logical_operand (rtx, enum machine_mode); 108 extern int tertiary_reload_operand (rtx, enum machine_mode); 109 extern int fpscr_operand (rtx, enum machine_mode); 110 extern int fpul_operand (rtx, enum machine_mode); 111 extern int commutative_float_operator (rtx, enum machine_mode); 112 extern int noncommutative_float_operator (rtx, enum machine_mode); 113 extern int reg_unused_after (rtx, rtx); 114 extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *); 115 extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); 116 extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *); 117 extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *); 118 extern void expand_fp_branch (rtx (*)(void), rtx (*)(void)); 119 extern int sh_insn_length_adjustment (rtx); 120 extern int sh_can_redirect_branch (rtx, rtx); 121 extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx); 122 extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx); 123 extern int sh_expand_t_scc (rtx *); 124 extern rtx sh_gen_truncate (enum machine_mode, rtx, int); 125 extern bool sh_vector_mode_supported_p (enum machine_mode); 126 #endif /* RTX_CODE */ 127 128 extern void sh_optimization_options (int, int); 129 extern void sh_override_options (void); 130 extern const char *output_jump_label_table (void); 131 extern int sh_handle_pragma (int (*)(void), void (*)(int), const char *); 132 extern struct rtx_def *get_fpscr_rtx (void); 133 extern int sh_media_register_for_return (void); 134 extern void sh_expand_prologue (void); 135 extern void sh_expand_epilogue (bool); 136 extern int sh_need_epilogue (void); 137 extern void sh_set_return_address (rtx, rtx); 138 extern int initial_elimination_offset (int, int); 139 extern int fldi_ok (void); 140 extern int sh_hard_regno_rename_ok (unsigned int, unsigned int); 141 extern int sh_cfun_interrupt_handler_p (void); 142 extern int sh_cfun_resbank_handler_p (void); 143 extern int sh_attr_renesas_p (const_tree); 144 extern int sh_cfun_attr_renesas_p (void); 145 extern bool sh_cannot_change_mode_class 146 (enum machine_mode, enum machine_mode, enum reg_class); 147 extern void sh_mark_label (rtx, int); 148 extern int sh_register_move_cost 149 (enum machine_mode mode, enum reg_class, enum reg_class); 150 extern int check_use_sfunc_addr (rtx, rtx); 151 152 #ifdef HARD_CONST 153 extern void fpscr_set_from_mem (int, HARD_REG_SET); 154 #endif 155 156 extern void sh_pr_interrupt (struct cpp_reader *); 157 extern void sh_pr_trapa (struct cpp_reader *); 158 extern void sh_pr_nosave_low_regs (struct cpp_reader *); 159 extern rtx function_symbol (rtx, const char *, enum sh_function_kind); 160 extern rtx sh_get_pr_initial_val (void); 161 162 extern rtx sh_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 163 extern void sh_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 164 extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree); 165 extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode); 166 extern bool sh_function_value_regno_p (const unsigned int); 167 extern rtx sh_dwarf_register_span (rtx); 168 169 extern rtx replace_n_hard_rtx (rtx, rtx *, int , int); 170 extern int shmedia_cleanup_truncate (rtx *, void *); 171 172 extern int sh_contains_memref_p (rtx); 173 extern int sh_loads_bankedreg_p (rtx); 174 extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall); 175 struct secondary_reload_info; 176 extern enum reg_class sh_secondary_reload (bool, rtx, enum reg_class, 177 enum machine_mode, 178 struct secondary_reload_info *); 179 extern int sh2a_get_function_vector_number (rtx); 180 extern int sh2a_is_function_vector_call (rtx); 181 extern void sh_fix_range (const char *); 182 extern bool sh_hard_regno_mode_ok (unsigned int, enum machine_mode); 183 #endif /* ! GCC_SH_PROTOS_H */ 184 185 #ifdef SYMBIAN 186 extern const char * sh_symbian_strip_name_encoding (const char *); 187 extern bool sh_symbian_is_dllexported_name (const char *); 188 #ifdef TREE_CODE 189 extern bool sh_symbian_is_dllexported (tree); 190 extern int sh_symbian_import_export_class (tree, int); 191 extern tree sh_symbian_handle_dll_attribute (tree *, tree, tree, int, bool *); 192 #ifdef RTX_CODE 193 extern void sh_symbian_encode_section_info (tree, rtx, int); 194 #endif 195 #endif 196 #endif /* SYMBIAN */ 197 198