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/* Definitions of target machine for GNU compiler, for the pdp-11
Copyright (C) 2000-2021 Free Software Foundation, Inc.
Contributed by Michael K. Gschwind (
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
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
<>. */
/* declarations */
#ifdef RTX_CODE
extern int simple_memory_operand (rtx, machine_mode);
extern int no_side_effect_operand (rtx, machine_mode);
extern int legitimate_const_double_p (rtx);
extern void notice_update_cc_on_set (rtx, rtx);
extern void output_addr_const_pdp11 (FILE *, rtx);
extern const char *output_move_multiple (rtx *);
extern const char *output_jump (rtx *, int, int);
extern void print_operand_address (FILE *, rtx);
typedef enum { no_action, dec_before, inc_after } pdp11_action;
typedef enum { little, either, big } pdp11_partorder;
extern bool pdp11_expand_operands (rtx *, rtx [][2], int, int,
pdp11_action *, pdp11_partorder);
extern int pdp11_initial_elimination_offset (int, int);
extern enum reg_class pdp11_regno_reg_class (int);
extern bool pdp11_fixed_cc_regs (unsigned int *, unsigned int *);
extern machine_mode pdp11_cc_mode (enum rtx_code, rtx, rtx);
extern bool pdp11_expand_shift (rtx *, rtx (*) (rtx, rtx, rtx),
rtx (*) (rtx, rtx, rtx));
extern const char * pdp11_assemble_shift (rtx *, machine_mode, int);
extern int pdp11_shift_length (rtx *, machine_mode, int, bool);
extern int pdp11_cmp_length (rtx *, int);
extern bool pushpop_regeq (rtx, int);
extern bool pdp11_small_shift (int);
#endif /* RTX_CODE */
extern void output_ascii (FILE *, const char *, int);
extern void pdp11_asm_output_var (FILE *, const char *, int, int, bool);
extern void pdp11_expand_prologue (void);
extern void pdp11_expand_epilogue (void);
extern poly_int64 pdp11_push_rounding (poly_int64);
extern void pdp11_gen_int_label (char *, const char *, int);
extern void pdp11_output_labelref (FILE *, const char *);
extern void pdp11_output_def (FILE *, const char *, const char *);
extern void pdp11_output_addr_vec_elt (FILE *, int);