1 /* Definitions of target machine for GNU compiler, for the pdp-11
2    Copyright (C) 2000-2018 Free Software Foundation, Inc.
3    Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
4 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11 
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20 
21 /* declarations */
22 #ifdef RTX_CODE
23 extern int simple_memory_operand (rtx, machine_mode);
24 
25 extern int legitimate_const_double_p (rtx);
26 extern void notice_update_cc_on_set (rtx, rtx);
27 extern void output_addr_const_pdp11 (FILE *, rtx);
28 extern const char *output_move_multiple (rtx *);
29 extern const char *output_block_move (rtx *);
30 extern const char *output_jump (enum rtx_code, int, int);
31 extern void print_operand_address (FILE *, rtx);
32 typedef enum { no_action, dec_before, inc_after } pdp11_action;
33 typedef enum { little, either, big } pdp11_partorder;
34 extern bool pdp11_expand_operands (rtx *, rtx [][2], int,
35 				   pdp11_action *, pdp11_partorder);
36 extern int pdp11_sp_frame_offset (void);
37 extern int pdp11_initial_elimination_offset (int, int);
38 extern enum reg_class pdp11_regno_reg_class (int);
39 
40 #endif /* RTX_CODE */
41 
42 extern void output_ascii (FILE *, const char *, int);
43 extern void pdp11_asm_output_var (FILE *, const char *, int, int, bool);
44 extern void pdp11_expand_prologue (void);
45 extern void pdp11_expand_epilogue (void);
46 extern int pdp11_branch_cost (void);
47 extern poly_int64 pdp11_push_rounding (poly_int64);
48