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

   1 /* Prototypes for exported functions defined in crx.c
   2    Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
   3    2002, 2003, 2004  Free Software Foundation, Inc.
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published
   9    by the Free Software Foundation; either version 2, or (at your
  10    option) any later version.
  11
  12    GCC is distributed in the hope that it will be useful, but WITHOUT
  13    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  15    License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING.  If not, write to
  19    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #ifndef GCC_CRX_PROTOS_H
  23 #define GCC_CRX_PROTOS_H
  24
  25
  26 /* Register usage. */
  27 extern enum reg_class crx_regno_reg_class (int);
  28 extern int crx_hard_regno_mode_ok (int regno, enum machine_mode);
  29 #ifdef RTX_CODE
  30 extern enum reg_class crx_secondary_reload_class (enum reg_class, enum machine_mode, rtx);
  31 #endif /* RTX_CODE */
  32
  33 /* Passing function arguments.  */
  34 extern int crx_function_arg_regno_p (int);
  35 #ifdef TREE_CODE
  36 extern void crx_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
  37 #ifdef RTX_CODE
  38 extern void crx_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx);
  39 extern rtx crx_function_arg (struct cumulative_args *, enum machine_mode, tree, int);
  40 #endif /* RTX_CODE */
  41 #endif /* TREE_CODE */
  42
  43 #ifdef RTX_CODE
  44 /* Addressing Modes.  */
  45 struct crx_address
  46 {
  47   rtx base, index, disp, side_effect;
  48   int scale;
  49 };
  50
  51 enum crx_addrtype
  52 {
  53   CRX_INVALID, CRX_REG_REL, CRX_POST_INC, CRX_SCALED_INDX, CRX_ABSOLUTE
  54 };
  55
  56 extern enum crx_addrtype crx_decompose_address (rtx addr, struct crx_address *out);
  57 extern int crx_legitimate_address_p (enum machine_mode, rtx, int);
  58
  59 extern int crx_const_double_ok (rtx op);
  60
  61 /* Instruction output.  */
  62 extern void crx_print_operand (FILE *, rtx, int);
  63 extern void crx_print_operand_address (FILE *, rtx);
  64
  65 /* Misc functions called from crx.md.  */
  66 extern rtx crx_expand_compare (enum rtx_code, enum machine_mode);
  67 extern void crx_expand_branch (enum rtx_code, rtx);
  68 extern void crx_expand_scond (enum rtx_code, rtx);
  69
  70 extern void crx_expand_movmem_single (rtx, rtx, rtx, rtx, rtx, unsigned HOST_WIDE_INT *);
  71 extern int crx_expand_movmem (rtx, rtx, rtx, rtx);
  72 #endif /* RTX_CODE */
  73
  74 /* Routines to compute costs.  */
  75 extern int crx_memory_move_cost (enum machine_mode, enum reg_class, int);
  76
  77 /* Prologue/Epilogue functions.  */
  78 extern int crx_initial_elimination_offset (int, int);
  79 extern char *crx_prepare_push_pop_string (int);
  80 extern void crx_expand_prologue (void);
  81 extern void crx_expand_epilogue (void);
  82
  83
  84 /* Handling the "interrupt" attribute */
  85 extern int crx_interrupt_function_p (void);
  86
  87 #endif /* GCC_CRX_PROTOS_H */