1 /* Definitions of target machine for GNU compiler, for the pdp-11 2 Copyright (C) 2000-2020 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 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_jump (rtx *, int, int); 30 extern void print_operand_address (FILE *, rtx); 31 typedef enum { no_action, dec_before, inc_after } pdp11_action; 32 typedef enum { little, either, big } pdp11_partorder; 33 extern bool pdp11_expand_operands (rtx *, rtx [][2], int, int, 34 pdp11_action *, pdp11_partorder); 35 extern int pdp11_initial_elimination_offset (int, int); 36 extern enum reg_class pdp11_regno_reg_class (int); 37 extern bool pdp11_fixed_cc_regs (unsigned int *, unsigned int *); 38 extern machine_mode pdp11_cc_mode (enum rtx_code, rtx, rtx); 39 extern bool pdp11_expand_shift (rtx *, rtx (*) (rtx, rtx, rtx), 40 rtx (*) (rtx, rtx, rtx)); 41 extern const char * pdp11_assemble_shift (rtx *, machine_mode, int); 42 extern int pdp11_shift_length (rtx *, machine_mode, int, bool); 43 extern int pdp11_cmp_length (rtx *, int); 44 extern bool pushpop_regeq (rtx, int); 45 extern bool pdp11_small_shift (int); 46 47 #endif /* RTX_CODE */ 48 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); 58