| /* Prototypes of target machine for GNU compiler for Xtensa. |
| Copyright (C) 2001-2021 Free Software Foundation, Inc. |
| Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. |
| |
| This file is part of GCC. |
| |
| GCC is free software; you can redistribute it and/or modify it under |
| the terms of the GNU General Public License as published by the Free |
| Software Foundation; either version 3, or (at your option) any later |
| version. |
| |
| GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
| WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GCC; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef __XTENSA_PROTOS_H__ |
| #define __XTENSA_PROTOS_H__ |
| |
| /* Functions to test whether an immediate fits in a given field. */ |
| extern bool xtensa_simm8 (HOST_WIDE_INT); |
| extern bool xtensa_simm8x256 (HOST_WIDE_INT); |
| extern bool xtensa_simm12b (HOST_WIDE_INT); |
| extern bool xtensa_b4const_or_zero (HOST_WIDE_INT); |
| extern bool xtensa_b4constu (HOST_WIDE_INT); |
| extern bool xtensa_mask_immediate (HOST_WIDE_INT); |
| extern bool xtensa_mem_offset (unsigned, machine_mode); |
| |
| /* Functions within xtensa.c that we reference. */ |
| #ifdef RTX_CODE |
| extern int xt_true_regnum (rtx); |
| extern int xtensa_valid_move (machine_mode, rtx *); |
| extern int smalloffset_mem_p (rtx); |
| extern int constantpool_mem_p (rtx); |
| extern void xtensa_extend_reg (rtx, rtx); |
| extern void xtensa_expand_conditional_branch (rtx *, machine_mode); |
| extern int xtensa_expand_conditional_move (rtx *, int); |
| extern int xtensa_expand_scc (rtx *, machine_mode); |
| extern int xtensa_expand_block_move (rtx *); |
| extern void xtensa_split_operand_pair (rtx *, machine_mode); |
| extern int xtensa_emit_move_sequence (rtx *, machine_mode); |
| extern rtx xtensa_copy_incoming_a7 (rtx); |
| extern void xtensa_expand_nonlocal_goto (rtx *); |
| extern void xtensa_expand_compare_and_swap (rtx, rtx, rtx, rtx); |
| extern void xtensa_expand_atomic (enum rtx_code, rtx, rtx, rtx, bool); |
| extern void xtensa_emit_loop_end (rtx_insn *, rtx *); |
| extern char *xtensa_emit_branch (bool, bool, rtx *); |
| extern char *xtensa_emit_bit_branch (bool, bool, rtx *); |
| extern char *xtensa_emit_movcc (bool, bool, bool, rtx *); |
| extern char *xtensa_emit_call (int, rtx *); |
| extern bool xtensa_tls_referenced_p (rtx); |
| |
| #ifdef TREE_CODE |
| extern void init_cumulative_args (CUMULATIVE_ARGS *, int); |
| #endif /* TREE_CODE */ |
| |
| extern void print_operand (FILE *, rtx, int); |
| extern void print_operand_address (FILE *, rtx); |
| extern void xtensa_output_literal (FILE *, rtx, machine_mode, int); |
| extern void xtensa_set_return_address (rtx, rtx); |
| extern rtx xtensa_return_addr (int, rtx); |
| #endif /* RTX_CODE */ |
| |
| extern void xtensa_setup_frame_addresses (void); |
| extern int xtensa_dbx_register_number (int); |
| extern long compute_frame_size (poly_int64); |
| extern bool xtensa_use_return_instruction_p (void); |
| extern void xtensa_expand_prologue (void); |
| extern void xtensa_expand_epilogue (void); |
| extern void order_regs_for_local_alloc (void); |
| extern enum reg_class xtensa_regno_to_class (int regno); |
| extern HOST_WIDE_INT xtensa_initial_elimination_offset (int from, int to); |
| |
| #endif /* !__XTENSA_PROTOS_H__ */ |
