1/* Subroutine declarations for Altera Nios II target support. 2 Copyright (C) 2012-2015 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 25extern int nios2_initial_elimination_offset (int, int); 26extern int nios2_can_use_return_insn (void); 27extern void nios2_expand_prologue (void); 28extern void nios2_expand_epilogue (bool); 29extern void nios2_function_profiler (FILE *, int); 30 31#ifdef RTX_CODE 32extern int nios2_emit_move_sequence (rtx *, machine_mode); 33extern void nios2_emit_expensive_div (rtx *, machine_mode); 34extern void nios2_adjust_call_address (rtx *, rtx); 35 36extern rtx nios2_get_return_address (int); 37extern void nios2_set_return_address (rtx, rtx); 38 39extern bool nios2_validate_compare (machine_mode, rtx *, rtx *, rtx *); 40extern bool nios2_validate_fpu_compare (machine_mode, rtx *, rtx *, rtx *, 41 bool); 42 43extern bool nios2_fpu_insn_enabled (enum n2fpu_code); 44extern const char * nios2_fpu_insn_asm (enum n2fpu_code); 45 46extern bool nios2_legitimate_pic_operand_p (rtx); 47extern bool nios2_symbol_ref_in_small_data_p (rtx); 48extern bool nios2_regno_ok_for_base_p (int, bool); 49extern bool nios2_unspec_reloc_p (rtx); 50 51#ifdef TREE_CODE 52#ifdef ARGS_SIZE_RTX 53/* expr.h defines both ARGS_SIZE_RTX and `enum direction' */ 54extern enum direction nios2_function_arg_padding (machine_mode, const_tree); 55extern enum direction nios2_block_reg_padding (machine_mode, tree, int); 56#endif /* ARGS_SIZE_RTX */ 57 58#endif /* TREE_CODE */ 59#endif /* RTX_CODE */ 60 61#endif /* GCC_NIOS2_PROTOS_H */ 62