gcc/config/xtensa/xtensa-protos.h

   1 /* Prototypes of target machine for GNU compiler for Xtensa.
   2    Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
   3    Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 2, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 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 the Free
  19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
  20 02110-1301, USA.  */
  21
  22 #ifndef __XTENSA_PROTOS_H__
  23 #define __XTENSA_PROTOS_H__
  24
  25 /* Functions to test whether an immediate fits in a given field.  */
  26 extern bool xtensa_simm8 (HOST_WIDE_INT);
  27 extern bool xtensa_simm8x256 (HOST_WIDE_INT);
  28 extern bool xtensa_simm12b (HOST_WIDE_INT);
  29 extern bool xtensa_b4const_or_zero (HOST_WIDE_INT);
  30 extern bool xtensa_b4constu (HOST_WIDE_INT);
  31 extern bool xtensa_mask_immediate (HOST_WIDE_INT);
  32 extern bool xtensa_const_ok_for_letter_p (HOST_WIDE_INT, int);
  33 extern bool xtensa_mem_offset (unsigned, enum machine_mode);
  34
  35 /* Functions within xtensa.c that we reference.  */
  36 #ifdef RTX_CODE
  37 extern int xt_true_regnum (rtx);
  38 extern int xtensa_valid_move (enum machine_mode, rtx *);
  39 extern int smalloffset_mem_p (rtx);
  40 extern int constantpool_address_p (rtx);
  41 extern int constantpool_mem_p (rtx);
  42 extern void xtensa_extend_reg (rtx, rtx);
  43 extern bool xtensa_extra_constraint (rtx, int);
  44 extern void xtensa_expand_conditional_branch (rtx *, enum rtx_code);
  45 extern int xtensa_expand_conditional_move (rtx *, int);
  46 extern int xtensa_expand_scc (rtx *);
  47 extern int xtensa_expand_block_move (rtx *);
  48 extern void xtensa_split_operand_pair (rtx *, enum machine_mode);
  49 extern int xtensa_emit_move_sequence (rtx *, enum machine_mode);
  50 extern rtx xtensa_copy_incoming_a7 (rtx);
  51 extern void xtensa_expand_nonlocal_goto (rtx *);
  52 extern void xtensa_emit_loop_end (rtx, rtx *);
  53 extern char *xtensa_emit_call (int, rtx *);
  54
  55 #ifdef TREE_CODE
  56 extern void init_cumulative_args (CUMULATIVE_ARGS *, int);
  57 extern void xtensa_va_start (tree, rtx);
  58 #endif /* TREE_CODE */
  59
  60 extern void print_operand (FILE *, rtx, int);
  61 extern void print_operand_address (FILE *, rtx);
  62 extern void xtensa_output_literal (FILE *, rtx, enum machine_mode, int);
  63 extern rtx xtensa_return_addr (int, rtx);
  64 extern enum reg_class xtensa_preferred_reload_class (rtx, enum reg_class, int);
  65 extern enum reg_class xtensa_secondary_reload_class (enum reg_class,
  66                                                      enum machine_mode, rtx,
  67                                                      int);
  68 #endif /* RTX_CODE */
  69
  70 #ifdef TREE_CODE
  71 extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree);
  72 extern struct rtx_def *function_arg (CUMULATIVE_ARGS *, enum machine_mode,
  73                                      tree, int);
  74 #endif /* TREE_CODE */
  75
  76 extern void xtensa_setup_frame_addresses (void);
  77 extern int xtensa_dbx_register_number (int);
  78 extern void override_options (void);
  79 extern long compute_frame_size (int);
  80 extern int xtensa_frame_pointer_required (void);
  81 extern void xtensa_expand_prologue (void);
  82 extern void order_regs_for_local_alloc (void);
  83
  84 #endif /* !__XTENSA_PROTOS_H__ */