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).
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
);
24 extern int no_side_effect_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 (rtx
*, 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 extern bool pdp11_fixed_cc_regs (unsigned int *, unsigned int *);
40 extern machine_mode
pdp11_cc_mode (enum rtx_code
, rtx
, rtx
);
41 extern bool pdp11_expand_shift (rtx
*, rtx (*) (rtx
, rtx
, rtx
),
42 rtx (*) (rtx
, rtx
, rtx
));
43 extern const char * pdp11_assemble_shift (rtx
*, machine_mode
, int);
44 extern int pdp11_shift_length (rtx
*, machine_mode
, int, bool);
45 extern bool pdp11_small_shift (int);
49 extern void output_ascii (FILE *, const char *, int);
50 extern void pdp11_asm_output_var (FILE *, const char *, int, int, bool);
51 extern void pdp11_expand_prologue (void);
52 extern void pdp11_expand_epilogue (void);
53 extern poly_int64
pdp11_push_rounding (poly_int64
);
54 extern void pdp11_gen_int_label (char *, const char *, int);
55 extern void pdp11_output_labelref (FILE *, const char *);
56 extern void pdp11_output_def (FILE *, const char *, const char *);
57 extern void pdp11_output_addr_vec_elt (FILE *, int);