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1 /* Definitions of target machine for GNU compiler, for the pdp-11
2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
3 Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
5 This file is part of GCC.
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)
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.
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/>. */
23 extern int simple_memory_operand (rtx
, machine_mode
);
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);
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);