gcc/config/alpha/alpha-protos.h

   1 /* Prototypes for alpha.cc functions used in the md file & elsewhere.
   2    Copyright (C) 1999-2025 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 extern int alpha_next_sequence_number;
  21
  22 extern void literal_section (void);
  23 extern int zap_mask (HOST_WIDE_INT);
  24 extern bool direct_return (void);
  25
  26 extern HOST_WIDE_INT alpha_initial_elimination_offset (unsigned int,
  27                                                        unsigned int);
  28 extern void alpha_expand_prologue (void);
  29 extern void alpha_expand_epilogue (void);
  30 extern void alpha_output_filename (FILE *, const char *);
  31
  32 extern bool alpha_legitimate_constant_p (machine_mode, rtx);
  33 extern rtx alpha_legitimize_reload_address (rtx, machine_mode,
  34                                             int, int, int);
  35
  36 extern rtx split_small_symbolic_operand (rtx);
  37
  38 extern void get_aligned_mem (rtx, rtx *, rtx *);
  39 extern rtx get_unaligned_address (rtx);
  40 extern rtx get_unaligned_offset (rtx, HOST_WIDE_INT);
  41 extern enum reg_class alpha_preferred_reload_class (rtx, enum reg_class);
  42
  43 extern void alpha_set_memflags (rtx, rtx);
  44 extern bool alpha_split_const_mov (machine_mode, rtx *);
  45 extern bool alpha_expand_mov (machine_mode, rtx *);
  46 extern bool alpha_expand_mov_nobwx (machine_mode, rtx *);
  47 extern void alpha_expand_movmisalign (machine_mode, rtx *);
  48 extern void alpha_emit_floatuns (rtx[]);
  49 extern rtx alpha_emit_conditional_move (rtx, machine_mode);
  50 extern void alpha_split_tmode_pair (rtx[], machine_mode, bool);
  51 extern void alpha_split_tfmode_frobsign (rtx[], rtx (*)(rtx, rtx, rtx));
  52 extern void alpha_expand_unaligned_load (rtx, rtx, HOST_WIDE_INT,
  53                                          HOST_WIDE_INT, int);
  54 extern void alpha_expand_unaligned_store (rtx, rtx, HOST_WIDE_INT,
  55                                           HOST_WIDE_INT);
  56 extern int alpha_expand_block_move (rtx []);
  57 extern int alpha_expand_block_clear (rtx []);
  58 extern rtx alpha_expand_zap_mask (HOST_WIDE_INT);
  59 extern void alpha_expand_builtin_vector_binop (rtx (*)(rtx, rtx, rtx),
  60                                                machine_mode,
  61                                                rtx, rtx, rtx);
  62 extern void alpha_expand_builtin_establish_vms_condition_handler (rtx, rtx);
  63 extern void alpha_expand_builtin_revert_vms_condition_handler (rtx);
  64
  65 extern rtx alpha_return_addr (int, rtx);
  66 extern rtx alpha_gp_save_rtx (void);
  67 extern void alpha_initialize_trampoline (rtx, rtx, rtx, int, int, int);
  68
  69 extern rtx alpha_va_arg (tree, tree);
  70
  71 extern void alpha_start_function (FILE *, const char *, tree);
  72 extern void alpha_end_function (FILE *, const char *, tree);
  73
  74 extern bool alpha_find_lo_sum_using_gp (rtx);
  75
  76 extern int alpha_store_data_bypass_p (rtx_insn *, rtx_insn *);
  77
  78 #ifdef REAL_VALUE_TYPE
  79 extern int check_float_value (machine_mode, REAL_VALUE_TYPE *, int);
  80 #endif
  81
  82 #ifdef RTX_CODE
  83 extern void alpha_emit_conditional_branch (rtx[], machine_mode);
  84 extern bool alpha_emit_setcc (rtx[], machine_mode);
  85 extern int alpha_split_conditional_move (enum rtx_code, rtx, rtx, rtx, rtx);
  86 extern void alpha_emit_xfloating_arith (enum rtx_code, rtx[]);
  87 extern void alpha_emit_xfloating_cvt (enum rtx_code, rtx[]);
  88 extern void alpha_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx,
  89                                    enum memmodel);
  90 extern void alpha_split_compare_and_swap (rtx op[]);
  91 extern void alpha_expand_compare_and_swap_12 (rtx op[]);
  92 extern void alpha_split_compare_and_swap_12 (rtx op[]);
  93 extern void alpha_split_atomic_exchange (rtx op[]);
  94 extern void alpha_expand_atomic_exchange_12 (rtx op[]);
  95 extern void alpha_split_atomic_exchange_12 (rtx op[]);
  96 #endif
  97
  98 extern rtx alpha_use_linkage (rtx, bool, bool);
  99
 100 #if TARGET_ABI_OPEN_VMS
 101 extern enum avms_arg_type alpha_arg_type (machine_mode);
 102 extern rtx alpha_arg_info_reg_val (CUMULATIVE_ARGS);
 103 extern void avms_asm_output_external (FILE *, tree, const char *);
 104 extern void vms_output_aligned_decl_common (FILE *, tree, const char *,
 105                                             unsigned HOST_WIDE_INT,
 106                                             unsigned int);
 107 extern HOST_WIDE_INT alpha_vms_initial_elimination_offset (unsigned int,
 108                                                            unsigned int);
 109 #endif
 110
 111 extern rtx unicosmk_add_call_info_word (rtx);
 112
 113 extern bool some_small_symbolic_operand_int (rtx);
 114 extern int tls_symbolic_operand_1 (rtx, int, int);
 115 extern rtx resolve_reload_operand (rtx);
 116
 117 namespace gcc { class context; }
 118 class rtl_opt_pass;
 119
 120 extern rtl_opt_pass *make_pass_handle_trap_shadows (gcc::context *);
 121 extern rtl_opt_pass *make_pass_align_insns (gcc::context *);