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/* Exported function prototypes from the Renesas RX backend.
Copyright (C) 2008-2016 Free Software Foundation, Inc.
Contributed by Red Hat.
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 GCC_RX_PROTOS_H
#define GCC_RX_PROTOS_H
extern bool rx_can_use_simple_return (void);
extern void rx_expand_epilogue (bool);
extern void rx_expand_prologue (void);
extern int rx_initial_elimination_offset (int, int);
bool is_interrupt_func (const_tree decl);
bool is_fast_interrupt_func (const_tree decl);
/* rx_atomic_sequence is used to emit the header and footer
of an atomic sequence. It's supposed to be used in a scope.
When constructed, it will emit the atomic sequence header insns.
When destructred (goes out of scope), it will emit the
corresponding atomic sequence footer insns. */
class rx_atomic_sequence
{
public:
rx_atomic_sequence (const_tree fun_decl);
~rx_atomic_sequence (void);
private:
rx_atomic_sequence (void);
rx_atomic_sequence (const rx_atomic_sequence&);
rx_atomic_sequence& operator = (const rx_atomic_sequence&);
rtx m_prev_psw_reg;
};
#ifdef RTX_CODE
extern int rx_adjust_insn_length (rtx_insn *, int);
extern int rx_align_for_label (rtx, int);
extern void rx_emit_stack_popm (rtx *, bool);
extern void rx_emit_stack_pushm (rtx *);
extern char * rx_gen_move_template (rtx *, bool);
extern bool rx_is_legitimate_constant (machine_mode, rtx);
extern bool rx_is_restricted_memory_address (rtx,
machine_mode);
extern bool rx_match_ccmode (rtx, machine_mode);
extern rtx rx_maybe_pidify_operand (rtx, int);
extern void rx_notice_update_cc (rtx, rtx);
extern void rx_split_cbranch (machine_mode, enum rtx_code,
rtx, rtx, rtx);
extern machine_mode rx_select_cc_mode (enum rtx_code, rtx, rtx);
#endif
#endif /* GCC_RX_PROTOS_H */
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