gcc/config/sh/sh-protos.h

   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, 2010, 2011, 2012
   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_int2sf (void);
  43
  44 /* Declare functions defined in sh.c and used in templates.  */
  45
  46 extern const char *output_branch (int, rtx, rtx *);
  47 extern const char *output_ieee_ccmpeq (rtx, rtx *);
  48 extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *);
  49 extern const char *output_movedouble (rtx, rtx[], enum machine_mode);
  50 extern const char *output_movepcrel (rtx, rtx[], enum machine_mode);
  51 extern const char *output_far_jump (rtx, rtx);
  52
  53 extern rtx sfunc_uses_reg (rtx);
  54 extern int barrier_align (rtx);
  55 extern int sh_loop_align (rtx);
  56 extern bool fp_zero_operand (rtx);
  57 extern bool fp_one_operand (rtx);
  58 extern int fp_int_operand (rtx);
  59 extern rtx get_fpscr_rtx (void);
  60 extern bool sh_legitimate_index_p (enum machine_mode, rtx);
  61 extern bool sh_legitimize_reload_address (rtx *, enum machine_mode, int, int);
  62 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
  63 extern bool nonpic_symbol_mentioned_p (rtx);
  64 extern void emit_sf_insn (rtx);
  65 extern void emit_df_insn (rtx);
  66 extern void output_pic_addr_const (FILE *, rtx);
  67 extern bool expand_block_move (rtx *);
  68 extern int prepare_move_operands (rtx[], enum machine_mode mode);
  69 extern enum rtx_code prepare_cbranch_operands (rtx *, enum machine_mode mode,
  70                                                enum rtx_code comparison);
  71 extern void expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int);
  72 extern bool expand_cbranchdi4 (rtx *operands, enum rtx_code comparison);
  73 extern void sh_emit_scc_to_t (enum rtx_code, rtx, rtx);
  74 extern rtx sh_emit_cheap_store_flag (enum machine_mode, enum rtx_code, rtx, rtx);
  75 extern void sh_emit_compare_and_branch (rtx *, enum machine_mode);
  76 extern void sh_emit_compare_and_set (rtx *, enum machine_mode);
  77 extern int shift_insns_rtx (rtx);
  78 extern void gen_ashift (int, int, rtx);
  79 extern void gen_ashift_hi (int, int, rtx);
  80 extern void gen_shifty_op (int, rtx *);
  81 extern void gen_shifty_hi_op (int, rtx *);
  82 extern bool expand_ashiftrt (rtx *);
  83 extern bool sh_dynamicalize_shift_p (rtx);
  84 extern int shl_and_kind (rtx, rtx, int *);
  85 extern int shl_and_length (rtx);
  86 extern int shl_and_scr_length (rtx);
  87 extern bool gen_shl_and (rtx, rtx, rtx, rtx);
  88 extern int shl_sext_kind (rtx, rtx, int *);
  89 extern int shl_sext_length (rtx);
  90 extern bool gen_shl_sext (rtx, rtx, rtx, rtx);
  91 extern rtx gen_datalabel_ref (rtx);
  92 extern int regs_used (rtx, int);
  93 extern void fixup_addr_diff_vecs (rtx);
  94 extern int get_dest_uid (rtx, int);
  95 extern void final_prescan_insn (rtx, rtx *, int);
  96 extern int symbol_ref_operand (rtx, enum machine_mode);
  97 extern enum tls_model tls_symbolic_operand (rtx, enum machine_mode);
  98 extern bool system_reg_operand (rtx, enum machine_mode);
  99 extern int general_movsrc_operand (rtx, enum machine_mode);
 100 extern int general_movdst_operand (rtx, enum machine_mode);
 101 extern int arith_reg_operand (rtx, enum machine_mode);
 102 extern int fp_arith_reg_operand (rtx, enum machine_mode);
 103 extern int arith_operand (rtx, enum machine_mode);
 104 extern int arith_reg_or_0_operand (rtx, enum machine_mode);
 105 extern int logical_operand (rtx, enum machine_mode);
 106 extern int fpscr_operand (rtx, enum machine_mode);
 107 extern int fpul_operand (rtx, enum machine_mode);
 108 extern int commutative_float_operator (rtx, enum machine_mode);
 109 extern int noncommutative_float_operator (rtx, enum machine_mode);
 110 extern bool reg_unused_after (rtx, rtx);
 111 extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *);
 112 extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
 113 extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *);
 114 extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
 115 extern void expand_fp_branch (rtx (*)(void), rtx (*)(void));
 116 extern int sh_insn_length_adjustment (rtx);
 117 extern bool sh_can_redirect_branch (rtx, rtx);
 118 extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx);
 119 extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx);
 120 extern int sh_expand_t_scc (rtx *);
 121 extern rtx sh_gen_truncate (enum machine_mode, rtx, int);
 122 extern bool sh_vector_mode_supported_p (enum machine_mode);
 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 rtx 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 bool sh_need_epilogue (void);
 132 extern void sh_set_return_address (rtx, rtx);
 133 extern int initial_elimination_offset (int, int);
 134 extern bool fldi_ok (void);
 135 extern bool sh_hard_regno_rename_ok (unsigned int, unsigned int);
 136 extern bool sh_cfun_interrupt_handler_p (void);
 137 extern bool sh_cfun_resbank_handler_p (void);
 138 extern bool sh_attr_renesas_p (const_tree);
 139 extern bool sh_cfun_attr_renesas_p (void);
 140 extern bool sh_cannot_change_mode_class
 141               (enum machine_mode, enum machine_mode, enum reg_class);
 142 extern bool sh_small_register_classes_for_mode_p (enum machine_mode);
 143 extern void sh_mark_label (rtx, int);
 144 extern bool check_use_sfunc_addr (rtx, rtx);
 145
 146 #ifdef HARD_CONST
 147 extern void fpscr_set_from_mem (int, HARD_REG_SET);
 148 #endif
 149
 150 extern void sh_pr_interrupt (struct cpp_reader *);
 151 extern void sh_pr_trapa (struct cpp_reader *);
 152 extern void sh_pr_nosave_low_regs (struct cpp_reader *);
 153 extern rtx function_symbol (rtx, const char *, enum sh_function_kind);
 154 extern rtx sh_get_pr_initial_val (void);
 155
 156 extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
 157 extern rtx sh_dwarf_register_span (rtx);
 158
 159 extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
 160 extern int shmedia_cleanup_truncate (rtx *, void *);
 161
 162 extern bool sh_contains_memref_p (rtx);
 163 extern bool sh_loads_bankedreg_p (rtx);
 164 extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall);
 165 extern int sh2a_get_function_vector_number (rtx);
 166 extern bool sh2a_is_function_vector_call (rtx);
 167 extern void sh_fix_range (const char *);
 168 extern bool sh_hard_regno_mode_ok (unsigned int, enum machine_mode);
 169 #endif /* ! GCC_SH_PROTOS_H */