1 /* Prototypes for alpha.c functions used in the md file & elsewhere. 2 Copyright (C) 1999-2020 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 *); 122