1 /* Definitions of target machine for GNU compiler. Sun 68000/68020 version. 2 Copyright (C) 2000, 2002, 2004, 2005, 2006, 2007, 2008 3 Free Software Foundation, Inc. 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 /* Define functions defined in aux-output.c and used in templates. */ 22 23 #ifdef RTX_CODE 24 extern enum m68k_function_kind m68k_get_function_kind (tree); 25 extern HOST_WIDE_INT m68k_initial_elimination_offset (int from, int to); 26 27 extern void split_di (rtx[], int, rtx[], rtx[]); 28 29 extern bool valid_mov3q_const (HOST_WIDE_INT); 30 extern const char *output_move_simode (rtx *); 31 extern const char *output_move_himode (rtx *); 32 extern const char *output_move_qimode (rtx *); 33 extern const char *output_move_stricthi (rtx *); 34 extern const char *output_move_strictqi (rtx *); 35 extern const char *output_move_double (rtx *); 36 extern const char *output_move_const_single (rtx *); 37 extern const char *output_move_const_double (rtx *); 38 extern const char *output_btst (rtx *, rtx, rtx, rtx, int); 39 extern const char *output_scc_di (rtx, rtx, rtx, rtx); 40 extern const char *output_addsi3 (rtx *); 41 extern const char *output_andsi3 (rtx *); 42 extern const char *output_iorsi3 (rtx *); 43 extern const char *output_xorsi3 (rtx *); 44 extern const char *output_call (rtx); 45 extern const char *output_sibcall (rtx); 46 extern void output_dbcc_and_branch (rtx *); 47 extern int floating_exact_log2 (rtx); 48 extern bool strict_low_part_peephole_ok (enum machine_mode mode, rtx first_insn, rtx target); 49 50 /* Functions from m68k.c used in macros. */ 51 extern int standard_68881_constant_p (rtx); 52 extern void print_operand_address (FILE *, rtx); 53 extern void print_operand (FILE *, rtx, int); 54 extern bool m68k_output_addr_const_extra (FILE *, rtx); 55 extern void notice_update_cc (rtx, rtx); 56 extern bool m68k_legitimate_base_reg_p (rtx, bool); 57 extern bool m68k_legitimate_index_reg_p (rtx, bool); 58 extern bool m68k_illegitimate_symbolic_constant_p (rtx); 59 extern bool m68k_matches_q_p (rtx); 60 extern bool m68k_matches_u_p (rtx); 61 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx); 62 extern rtx m68k_legitimize_tls_address (rtx); 63 extern bool m68k_tls_reference_p (rtx, bool); 64 extern int valid_dbcc_comparison_p_2 (rtx, enum machine_mode); 65 extern rtx m68k_libcall_value (enum machine_mode); 66 extern rtx m68k_function_value (const_tree, const_tree); 67 extern int emit_move_sequence (rtx *, enum machine_mode, rtx); 68 extern bool m68k_movem_pattern_p (rtx, rtx, HOST_WIDE_INT, bool); 69 extern const char *m68k_output_movem (rtx *, rtx, HOST_WIDE_INT, bool); 70 extern void m68k_final_prescan_insn (rtx, rtx *, int); 71 72 /* Functions from m68k.c used in constraints.md. */ 73 extern rtx m68k_unwrap_symbol (rtx, bool); 74 75 /* Functions from m68k.c used in genattrtab. */ 76 #ifdef HAVE_ATTR_cpu 77 extern enum attr_cpu m68k_sched_cpu; 78 extern enum attr_mac m68k_sched_mac; 79 80 extern enum attr_opx_type m68k_sched_attr_opx_type (rtx, int); 81 extern enum attr_opy_type m68k_sched_attr_opy_type (rtx, int); 82 extern enum attr_size m68k_sched_attr_size (rtx); 83 extern enum attr_op_mem m68k_sched_attr_op_mem (rtx); 84 extern enum attr_type m68k_sched_branch_type (rtx); 85 #endif /* HAVE_ATTR_cpu */ 86 87 #endif /* RTX_CODE */ 88 89 extern bool m68k_regno_mode_ok (int, enum machine_mode); 90 extern enum reg_class m68k_secondary_reload_class (enum reg_class, 91 enum machine_mode, rtx); 92 extern enum reg_class m68k_preferred_reload_class (rtx, enum reg_class); 93 extern int flags_in_68881 (void); 94 extern void m68k_expand_prologue (void); 95 extern bool m68k_use_return_insn (void); 96 extern void m68k_expand_epilogue (bool); 97 extern void override_options (void); 98 extern const char *m68k_cpp_cpu_ident (const char *); 99 extern const char *m68k_cpp_cpu_family (const char *); 100 extern void init_68881_table (void); 101 extern rtx m68k_legitimize_call_address (rtx); 102 extern rtx m68k_legitimize_sibcall_address (rtx); 103 extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int); 104