gnu/dist/gcc4/gcc/config/h8300/h8300-protos.h

   1 /* Definitions of target machine for GNU compiler.
   2    Renesas H8/300 version
   3    Copyright (C) 2000, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   4    Contributed by Steve Chamberlain (sac@cygnus.com),
   5    Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@cygnus.com).
   6
   7 This file is part of GCC.
   8
   9 GCC is free software; you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation; either version 2, or (at your option)
  12 any later version.
  13
  14 GCC is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public 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 COPYING.  If not, write to
  21 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  22 Boston, MA 02110-1301, USA.  */
  23
  24 #ifndef GCC_H8300_PROTOS_H
  25 #define GCC_H8300_PROTOS_H
  26
  27 /* Declarations for functions used in insn-output.c.  */
  28 #ifdef RTX_CODE
  29 extern unsigned int compute_mov_length (rtx *);
  30 extern const char *output_plussi (rtx *);
  31 extern unsigned int compute_plussi_length (rtx *);
  32 extern int compute_plussi_cc (rtx *);
  33 extern const char *output_a_shift (rtx *);
  34 extern unsigned int compute_a_shift_length (rtx, rtx *);
  35 extern int compute_a_shift_cc (rtx, rtx *);
  36 extern const char *output_a_rotate (enum rtx_code, rtx *);
  37 extern unsigned int compute_a_rotate_length (rtx *);
  38 extern const char *output_simode_bld (int, rtx[]);
  39 extern void print_operand_address (FILE *, rtx);
  40 extern void print_operand (FILE *, rtx, int);
  41 extern void final_prescan_insn (rtx, rtx *, int);
  42 extern int h8300_expand_movsi (rtx[]);
  43 extern void notice_update_cc (rtx, rtx);
  44 extern const char *output_logical_op (enum machine_mode, rtx *);
  45 extern unsigned int compute_logical_op_length (enum machine_mode,
  46                                                rtx *);
  47 extern int compute_logical_op_cc (enum machine_mode, rtx *);
  48 extern void h8300_expand_branch (enum rtx_code, rtx);
  49 extern bool expand_a_shift (enum machine_mode, int, rtx[]);
  50 extern int h8300_shift_needs_scratch_p (int, enum machine_mode);
  51 extern int expand_a_rotate (rtx[]);
  52 extern int fix_bit_operand (rtx *, enum rtx_code);
  53 extern int h8300_adjust_insn_length (rtx, int);
  54 extern void split_adds_subs (enum machine_mode, rtx[]);
  55
  56 extern int h8300_eightbit_constant_address_p (rtx);
  57 extern int h8300_tiny_constant_address_p (rtx);
  58 extern int byte_accesses_mergeable_p (rtx, rtx);
  59 extern int same_cmp_preceding_p (rtx);
  60 extern int same_cmp_following_p (rtx);
  61
  62 extern int h8300_legitimate_constant_p (rtx);
  63 extern int h8300_legitimate_address_p (enum machine_mode, rtx, int);
  64
  65 /* Used in builtins.c */
  66 extern rtx h8300_return_addr_rtx (int, rtx);
  67
  68 /* Classifies an h8sx shift operation.
  69
  70    H8SX_SHIFT_NONE
  71         The shift cannot be done in a single instruction.
  72
  73    H8SX_SHIFT_UNARY
  74         The shift is effectively a unary operation.  The instruction will
  75         allow any sort of destination operand and have a format similar
  76         to neg and not.  This is true of certain power-of-2 shifts.
  77
  78    H8SX_SHIFT_BINARY
  79         The shift is a binary operation.  The destination must be a
  80         register and the source can be a register or a constant.  */
  81 enum h8sx_shift_type {
  82   H8SX_SHIFT_NONE,
  83   H8SX_SHIFT_UNARY,
  84   H8SX_SHIFT_BINARY
  85 };
  86
  87 extern enum h8sx_shift_type h8sx_classify_shift (enum machine_mode, enum rtx_code, rtx);
  88 extern int h8300_ldm_stm_parallel (rtvec, int, int);
  89 #endif /* RTX_CODE */
  90
  91 #ifdef TREE_CODE
  92 extern struct rtx_def *function_arg (CUMULATIVE_ARGS *,
  93                                      enum machine_mode, tree, int);
  94 extern int h8300_funcvec_function_p (tree);
  95 extern int h8300_eightbit_data_p (tree);
  96 extern int h8300_tiny_data_p (tree);
  97 #endif /* TREE_CODE */
  98
  99 extern void h8300_init_once (void);
 100 extern int h8300_can_use_return_insn_p (void);
 101 extern void h8300_expand_prologue (void);
 102 extern void h8300_expand_epilogue (void);
 103 extern int h8300_current_function_interrupt_function_p (void);
 104 extern int h8300_initial_elimination_offset (int, int);
 105 extern int h8300_regs_ok_for_stm (int, rtx[]);
 106 extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
 107 extern int h8300_hard_regno_nregs (int, enum machine_mode);
 108 extern int h8300_hard_regno_mode_ok (int, enum machine_mode);
 109
 110 struct cpp_reader;
 111 extern void h8300_pr_interrupt (struct cpp_reader *);
 112 extern void h8300_pr_saveall (struct cpp_reader *);
 113 extern enum reg_class  h8300_reg_class_from_letter (int);
 114 extern rtx             h8300_get_index (rtx, enum machine_mode mode, int *);
 115 extern unsigned int    h8300_insn_length_from_table (rtx, rtx *);
 116 extern const char *    output_h8sx_shift (rtx *, int, int);
 117 extern bool            h8300_operands_match_p (rtx *);
 118 extern bool            h8sx_mergeable_memrefs_p (rtx, rtx);
 119 extern bool            h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT);
 120 extern void            h8300_swap_into_er6 (rtx);
 121 extern void            h8300_swap_out_of_er6 (rtx);
 122
 123 #endif /* ! GCC_H8300_PROTOS_H */