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, 2007, 2009, 2010, 2011, 2012
   4    Free Software Foundation, Inc.
   5    Contributed by Steve Chamberlain (sac@cygnus.com),
   6    Jim Wilson (wilson@cygnus.com), and Doug Evans (dje@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_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 const char *output_a_shift (rtx *);
  33 extern unsigned int compute_a_shift_length (rtx, rtx *);
  34 extern const char *output_a_rotate (enum rtx_code, rtx *);
  35 extern unsigned int compute_a_rotate_length (rtx *);
  36 extern const char *output_simode_bld (int, rtx[]);
  37 extern void final_prescan_insn (rtx, rtx *, int);
  38 extern int h8300_expand_movsi (rtx[]);
  39 extern void notice_update_cc (rtx, rtx);
  40 extern const char *output_logical_op (enum machine_mode, rtx *);
  41 extern unsigned int compute_logical_op_length (enum machine_mode,
  42                                                rtx *);
  43 #ifdef HAVE_ATTR_cc
  44 extern enum attr_cc compute_plussi_cc (rtx *);
  45 extern enum attr_cc compute_a_shift_cc (rtx, rtx *);
  46 extern enum attr_cc compute_logical_op_cc (enum machine_mode, rtx *);
  47 #endif
  48 extern void h8300_expand_branch (rtx[]);
  49 extern void h8300_expand_store (rtx[]);
  50 extern bool expand_a_shift (enum machine_mode, enum rtx_code, rtx[]);
  51 extern int h8300_shift_needs_scratch_p (int, enum machine_mode);
  52 extern int expand_a_rotate (rtx[]);
  53 extern int fix_bit_operand (rtx *, enum rtx_code);
  54 extern int h8300_adjust_insn_length (rtx, int);
  55 extern void split_adds_subs (enum machine_mode, rtx[]);
  56
  57 extern int h8300_eightbit_constant_address_p (rtx);
  58 extern int h8300_tiny_constant_address_p (rtx);
  59 extern int byte_accesses_mergeable_p (rtx, rtx);
  60 extern int same_cmp_preceding_p (rtx);
  61 extern int same_cmp_following_p (rtx);
  62
  63 /* Used in builtins.c */
  64 extern rtx h8300_return_addr_rtx (int, rtx);
  65
  66 /* Classifies an h8sx shift operation.
  67
  68    H8SX_SHIFT_NONE
  69         The shift cannot be done in a single instruction.
  70
  71    H8SX_SHIFT_UNARY
  72         The shift is effectively a unary operation.  The instruction will
  73         allow any sort of destination operand and have a format similar
  74         to neg and not.  This is true of certain power-of-2 shifts.
  75
  76    H8SX_SHIFT_BINARY
  77         The shift is a binary operation.  The destination must be a
  78         register and the source can be a register or a constant.  */
  79 enum h8sx_shift_type {
  80   H8SX_SHIFT_NONE,
  81   H8SX_SHIFT_UNARY,
  82   H8SX_SHIFT_BINARY
  83 };
  84
  85 extern enum h8sx_shift_type h8sx_classify_shift (enum machine_mode, enum rtx_code, rtx);
  86 extern int h8300_ldm_stm_parallel (rtvec, int, int);
  87 #endif /* RTX_CODE */
  88
  89 #ifdef TREE_CODE
  90 extern int h8300_funcvec_function_p (tree);
  91 extern int h8300_eightbit_data_p (tree);
  92 extern int h8300_tiny_data_p (tree);
  93 #endif /* TREE_CODE */
  94
  95 extern int h8300_can_use_return_insn_p (void);
  96 extern void h8300_expand_prologue (void);
  97 extern void h8300_expand_epilogue (void);
  98 extern int h8300_current_function_interrupt_function_p (void);
  99 extern int h8300_current_function_monitor_function_p (void);
 100 extern int h8300_initial_elimination_offset (int, int);
 101 extern int h8300_regs_ok_for_stm (int, rtx[]);
 102 extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
 103 extern int h8300_hard_regno_nregs (int, enum machine_mode);
 104 extern int h8300_hard_regno_mode_ok (int, enum machine_mode);
 105 extern bool h8300_move_ok (rtx, rtx);
 106
 107 struct cpp_reader;
 108 extern void h8300_pr_interrupt (struct cpp_reader *);
 109 extern void h8300_pr_saveall (struct cpp_reader *);
 110 extern enum reg_class  h8300_reg_class_from_letter (int);
 111 extern unsigned int    h8300_insn_length_from_table (rtx, rtx *);
 112 extern const char *    output_h8sx_shift (rtx *, int, int);
 113 extern bool            h8300_operands_match_p (rtx *);
 114 extern bool            h8sx_mergeable_memrefs_p (rtx, rtx);
 115 extern bool            h8sx_emit_movmd (rtx, rtx, rtx, HOST_WIDE_INT);
 116 extern void            h8300_swap_into_er6 (rtx);
 117 extern void            h8300_swap_out_of_er6 (rtx);
 118
 119 #endif /* ! GCC_H8300_PROTOS_H */