1 /* Prototypes for alpha.c functions used in the md file & elsewhere. 2 Copyright (C) 1999-2013 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 int direct_return (void); 25 26 extern int alpha_sa_size (void); 27 extern HOST_WIDE_INT alpha_initial_elimination_offset (unsigned int, 28 unsigned int); 29 extern void alpha_expand_prologue (void); 30 extern void alpha_expand_epilogue (void); 31 extern void alpha_output_filename (FILE *, const char *); 32 33 extern bool alpha_legitimate_constant_p (enum machine_mode, rtx); 34 extern rtx alpha_legitimize_reload_address (rtx, enum machine_mode, 35 int, int, int); 36 37 extern rtx split_small_symbolic_operand (rtx); 38 39 extern void get_aligned_mem (rtx, rtx *, rtx *); 40 extern rtx get_unaligned_address (rtx); 41 extern rtx get_unaligned_offset (rtx, HOST_WIDE_INT); 42 extern enum reg_class alpha_preferred_reload_class (rtx, enum reg_class); 43 44 extern void alpha_set_memflags (rtx, rtx); 45 extern bool alpha_split_const_mov (enum machine_mode, rtx *); 46 extern bool alpha_expand_mov (enum machine_mode, rtx *); 47 extern bool alpha_expand_mov_nobwx (enum machine_mode, rtx *); 48 extern void alpha_expand_movmisalign (enum machine_mode, rtx *); 49 extern void alpha_emit_floatuns (rtx[]); 50 extern rtx alpha_emit_conditional_move (rtx, enum machine_mode); 51 extern void alpha_split_tmode_pair (rtx[], enum machine_mode, bool); 52 extern void alpha_split_tfmode_frobsign (rtx[], rtx (*)(rtx, rtx, rtx)); 53 extern void alpha_expand_unaligned_load (rtx, rtx, HOST_WIDE_INT, 54 HOST_WIDE_INT, int); 55 extern void alpha_expand_unaligned_store (rtx, rtx, HOST_WIDE_INT, 56 HOST_WIDE_INT); 57 extern int alpha_expand_block_move (rtx []); 58 extern int alpha_expand_block_clear (rtx []); 59 extern rtx alpha_expand_zap_mask (HOST_WIDE_INT); 60 extern void alpha_expand_builtin_vector_binop (rtx (*)(rtx, rtx, rtx), 61 enum machine_mode, 62 rtx, rtx, rtx); 63 extern void alpha_expand_builtin_establish_vms_condition_handler (rtx, rtx); 64 extern void alpha_expand_builtin_revert_vms_condition_handler (rtx); 65 66 extern rtx alpha_return_addr (int, rtx); 67 extern rtx alpha_gp_save_rtx (void); 68 extern void print_operand (FILE *, rtx, int); 69 extern void print_operand_address (FILE *, rtx); 70 extern void alpha_initialize_trampoline (rtx, rtx, rtx, int, int, int); 71 72 extern rtx alpha_va_arg (tree, tree); 73 extern rtx function_value (const_tree, const_tree, enum machine_mode); 74 75 extern void alpha_start_function (FILE *, const char *, tree); 76 extern void alpha_end_function (FILE *, const char *, tree); 77 78 extern int alpha_find_lo_sum_using_gp (rtx); 79 80 #ifdef REAL_VALUE_TYPE 81 extern int check_float_value (enum machine_mode, REAL_VALUE_TYPE *, int); 82 #endif 83 84 #ifdef RTX_CODE 85 extern void alpha_emit_conditional_branch (rtx[], enum machine_mode); 86 extern bool alpha_emit_setcc (rtx[], enum machine_mode); 87 extern int alpha_split_conditional_move (enum rtx_code, rtx, rtx, rtx, rtx); 88 extern void alpha_emit_xfloating_arith (enum rtx_code, rtx[]); 89 extern void alpha_emit_xfloating_cvt (enum rtx_code, rtx[]); 90 extern void alpha_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx, 91 enum memmodel); 92 extern void alpha_split_compare_and_swap (rtx op[]); 93 extern void alpha_expand_compare_and_swap_12 (rtx op[]); 94 extern void alpha_split_compare_and_swap_12 (rtx op[]); 95 extern void alpha_split_atomic_exchange (rtx op[]); 96 extern void alpha_expand_atomic_exchange_12 (rtx op[]); 97 extern void alpha_split_atomic_exchange_12 (rtx op[]); 98 #endif 99 100 extern rtx alpha_use_linkage (rtx, bool, bool); 101 102 #if TARGET_ABI_OPEN_VMS 103 extern enum avms_arg_type alpha_arg_type (enum machine_mode); 104 extern rtx alpha_arg_info_reg_val (CUMULATIVE_ARGS); 105 extern void avms_asm_output_external (FILE *, tree, const char *); 106 extern void vms_output_aligned_decl_common (FILE *, tree, const char *, 107 unsigned HOST_WIDE_INT, 108 unsigned int); 109 extern HOST_WIDE_INT alpha_vms_initial_elimination_offset (unsigned int, 110 unsigned int); 111 #endif 112 113 extern rtx unicosmk_add_call_info_word (rtx); 114 115 extern int some_small_symbolic_operand_int (rtx *, void *); 116 extern int tls_symbolic_operand_1 (rtx, int, int); 117 extern rtx resolve_reload_operand (rtx); 118