gcc/config/m68k/m68k-protos.h

   1 /* Definitions of target machine for GNU compiler.  Sun 68000/68020 version.
   2    Copyright (C) 2000-2024 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.cc 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 extern void m68k_final_prescan_insn (rtx_insn *, rtx *, int);
  88
  89 /* Functions from m68k.cc used in constraints.md.  */
  90 extern rtx m68k_unwrap_symbol (rtx, bool);
  91
  92 /* Functions from m68k.cc used in genattrtab.  */
  93 #ifdef HAVE_ATTR_cpu
  94 extern enum attr_cpu m68k_sched_cpu;
  95 extern enum attr_mac m68k_sched_mac;
  96
  97 extern enum attr_opx_type m68k_sched_attr_opx_type (rtx_insn *, int);
  98 extern enum attr_opy_type m68k_sched_attr_opy_type (rtx_insn *, int);
  99 extern enum attr_size m68k_sched_attr_size (rtx_insn *);
 100 extern enum attr_op_mem m68k_sched_attr_op_mem (rtx_insn *);
 101 #endif /* HAVE_ATTR_cpu */
 102
 103 #endif /* RTX_CODE */
 104
 105 extern enum reg_class m68k_secondary_reload_class (enum reg_class,
 106                                                    machine_mode, rtx);
 107 extern enum reg_class m68k_preferred_reload_class (rtx, enum reg_class);
 108 extern void m68k_expand_prologue (void);
 109 extern bool m68k_use_return_insn (void);
 110 extern void m68k_expand_epilogue (bool);
 111 extern const char *m68k_cpp_cpu_ident (const char *);
 112 extern const char *m68k_cpp_cpu_family (const char *);
 113 extern void init_68881_table (void);
 114 extern rtx m68k_legitimize_call_address (rtx);
 115 extern rtx m68k_legitimize_sibcall_address (rtx);
 116 extern int m68k_hard_regno_rename_ok(unsigned int, unsigned int);
 117 extern poly_int64 m68k_push_rounding (poly_int64);