gcc/config/nios2/nios2-protos.h

   1 /* Subroutine declarations for Altera Nios II target support.
   2    Copyright (C) 2012-2023 Free Software Foundation, Inc.
   3    Contributed by Jonah Graham (jgraham@altera.com).
   4    Contributed by Mentor Graphics, Inc.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef GCC_NIOS2_PROTOS_H
  23 #define GCC_NIOS2_PROTOS_H
  24
  25 extern int nios2_initial_elimination_offset (int, int);
  26 extern int nios2_can_use_return_insn (void);
  27 extern void nios2_expand_prologue (void);
  28 extern void nios2_expand_epilogue (bool);
  29 extern bool nios2_expand_return (void);
  30 extern void nios2_function_profiler (FILE *, int);
  31 extern bool nios2_fpu_insn_enabled (enum n2fpu_code);
  32
  33 #ifdef RTX_CODE
  34 extern bool nios2_large_constant_p (rtx);
  35 extern bool nios2_large_constant_memory_operand_p (rtx);
  36
  37 extern rtx nios2_split_large_constant (rtx, rtx);
  38 extern rtx nios2_split_large_constant_memory_operand (rtx);
  39 extern bool nios2_emit_move_sequence (rtx *, machine_mode);
  40 extern void nios2_emit_expensive_div (rtx *, machine_mode);
  41 extern void nios2_adjust_call_address (rtx *, rtx);
  42
  43 extern rtx nios2_get_return_address (int);
  44 extern void nios2_set_return_address (rtx, rtx);
  45
  46 extern bool nios2_validate_compare (machine_mode, rtx *, rtx *, rtx *);
  47 extern bool nios2_validate_fpu_compare (machine_mode, rtx *, rtx *, rtx *,
  48                                         bool);
  49
  50 extern const char * nios2_fpu_insn_asm (enum n2fpu_code);
  51 extern const char * nios2_add_insn_asm (rtx_insn *, rtx *);
  52
  53 extern bool nios2_legitimate_pic_operand_p (rtx);
  54 extern bool gprel_constant_p (rtx);
  55 extern bool r0rel_constant_p (rtx);
  56 extern bool nios2_regno_ok_for_base_p (int, bool);
  57 extern bool nios2_unspec_reloc_p (rtx);
  58
  59 extern int nios2_label_align (rtx);
  60 extern bool nios2_cdx_narrow_form_p (rtx_insn *);
  61
  62 extern bool pop_operation_p (rtx);
  63 extern bool ldstwm_operation_p (rtx, bool);
  64 extern bool gen_ldstwm_peep (bool, int, rtx, rtx *);
  65
  66 extern void nios2_adjust_reg_alloc_order (void);
  67
  68 extern pad_direction nios2_block_reg_padding (machine_mode, tree, int);
  69
  70 #endif /* RTX_CODE */
  71
  72 #endif /* GCC_NIOS2_PROTOS_H */