1 /* Definitions of target machine for GNU compiler. Sun 68000/68020 version. 2 Copyright (C) 2000-2021 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 3, or (at your option) 9 any later version. 10 11 GCC is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GCC; see the file COPYING3. If not see 18 <http://www.gnu.org/licenses/>. */ 19 20 /* Define functions defined in aux-output.c and used in templates. */ 21 22 #ifdef RTX_CODE 23 extern enum m68k_function_kind m68k_get_function_kind (tree); 24 extern HOST_WIDE_INT m68k_initial_elimination_offset (int from, int to); 25 26 extern void split_di (rtx[], int, rtx[], rtx[]); 27 28 extern bool valid_mov3q_const (HOST_WIDE_INT); 29 extern const char *output_move_simode (rtx *); 30 extern const char *output_move_himode (rtx *); 31 extern const char *output_move_qimode (rtx *); 32 extern const char *output_move_stricthi (rtx *); 33 extern const char *output_move_strictqi (rtx *); 34 extern const char *output_move_double (rtx *); 35 extern const char *output_move_const_single (rtx *); 36 extern const char *output_move_const_double (rtx *); 37 extern const char *output_btst (rtx *, rtx, rtx, rtx_insn *, int); 38 extern const char *output_scc_di (rtx, rtx, rtx, rtx); 39 extern const char *output_addsi3 (rtx *); 40 extern const char *output_andsi3 (rtx *); 41 extern const char *output_iorsi3 (rtx *); 42 extern const char *output_xorsi3 (rtx *); 43 extern const char *output_call (rtx); 44 extern const char *output_sibcall (rtx); 45 extern void m68k_init_cc (); 46 extern void output_dbcc_and_branch (rtx *, rtx_code); 47 extern rtx_code m68k_output_compare_di (rtx, rtx, rtx, rtx, rtx_insn *, rtx_code); 48 extern rtx_code m68k_output_compare_si (rtx, rtx, rtx_code); 49 extern rtx_code m68k_output_compare_hi (rtx, rtx, rtx_code); 50 extern rtx_code m68k_output_compare_qi (rtx, rtx, rtx_code); 51 extern rtx_code m68k_output_compare_fp (rtx, rtx, rtx_code); 52 extern rtx_code m68k_output_btst (rtx, rtx, rtx_code, int); 53 extern rtx_code m68k_output_bftst (rtx, rtx, rtx, rtx_code); 54 extern rtx_code m68k_find_flags_value (rtx, rtx, rtx_code); 55 56 extern const char *m68k_output_scc (rtx_code); 57 extern const char *m68k_output_scc_float (rtx_code); 58 extern const char *m68k_output_branch_integer (rtx_code); 59 extern const char *m68k_output_branch_integer_rev (rtx_code); 60 extern const char *m68k_output_branch_float (rtx_code); 61 extern const char *m68k_output_branch_float_rev (rtx_code); 62 extern int floating_exact_log2 (rtx); 63 extern bool strict_low_part_peephole_ok (machine_mode mode, 64 rtx_insn *first_insn, rtx target); 65 66 /* Functions from m68k.c used in macros. */ 67 extern int standard_68881_constant_p (rtx); 68 extern void print_operand_address (FILE *, rtx); 69 extern void print_operand (FILE *, rtx, int); 70 extern void notice_update_cc (rtx, rtx); 71 extern bool m68k_legitimate_base_reg_p (rtx, bool); 72 extern bool m68k_legitimate_index_reg_p (rtx, bool); 73 extern bool m68k_illegitimate_symbolic_constant_p (rtx); 74 extern bool m68k_legitimate_constant_p (machine_mode, rtx); 75 extern bool m68k_matches_q_p (rtx); 76 extern bool m68k_matches_u_p (rtx); 77 extern rtx legitimize_pic_address (rtx, machine_mode, rtx); 78 extern rtx m68k_legitimize_tls_address (rtx); 79 extern bool m68k_tls_reference_p (rtx, bool); 80 extern int valid_dbcc_comparison_p_2 (rtx, machine_mode); 81 extern rtx m68k_libcall_value (machine_mode); 82 extern rtx m68k_function_value (const_tree, const_tree); 83 extern int emit_move_sequence (rtx *, machine_mode, rtx); 84 extern bool m68k_movem_pattern_p (rtx, rtx, HOST_WIDE_INT, bool); 85 extern const char *m68k_output_movem (rtx *, rtx, HOST_WIDE_INT, bool); 86 extern bool m68k_epilogue_uses (int); 87 88 /* Functions from m68k.c used in constraints.md. */ 89 extern rtx m68k_unwrap_symbol (rtx, bool); 90 91 /* Functions from m68k.c used in genattrtab. */ 92 #ifdef HAVE_ATTR_cpu 93 extern enum attr_cpu m68k_sched_cpu; 94 extern enum attr_mac m68k_sched_mac; 95 96 extern enum attr_opx_type m68k_sched_attr_opx_type (rtx_insn *, int); 97 extern enum attr_opy_type m68k_sched_attr_opy_type (rtx_insn *, int); 98 extern enum attr_size m68k_sched_attr_size (rtx_insn *); 99 extern enum attr_op_mem m68k_sched_attr_op_mem (rtx_insn *); 100 #endif /* HAVE_ATTR_cpu */ 101 102 #endif /* RTX_CODE */ 103 104 extern enum reg_class m68k_secondary_reload_class (enum reg_class, 105 machine_mode, rtx); 106 extern enum reg_class m68k_preferred_reload_class (rtx, enum reg_class); 107 extern void m68k_expand_prologue (void); 108 extern bool m68k_use_return_insn (void); 109 extern void m68k_expand_epilogue (bool); 110 extern const char *m68k_cpp_cpu_ident (const char *); 111 extern const char *m68k_cpp_cpu_family (const char *); 112 extern void init_68881_table (void); 113 extern rtx m68k_legitimize_call_address (rtx); 114 extern rtx m68k_legitimize_sibcall_address (rtx); 115 extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int); 116 extern poly_int64 m68k_push_rounding (poly_int64); 117