1 /* Prototypes for alpha.c functions used in the md file & elsewhere. 2 Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009 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 extern int alpha_next_sequence_number; 22 23 extern void literal_section (void); 24 extern void override_options (void); 25 extern int zap_mask (HOST_WIDE_INT); 26 extern int direct_return (void); 27 28 extern int alpha_sa_size (void); 29 extern HOST_WIDE_INT alpha_initial_elimination_offset (unsigned int, 30 unsigned int); 31 extern void alpha_expand_prologue (void); 32 extern void alpha_expand_epilogue (void); 33 extern void alpha_output_filename (FILE *, const char *); 34 35 extern rtx alpha_tablejump_addr_vec (rtx); 36 extern rtx alpha_tablejump_best_label (rtx); 37 38 extern bool alpha_legitimate_constant_p (rtx); 39 extern rtx alpha_legitimize_reload_address (rtx, enum machine_mode, 40 int, int, int); 41 42 extern rtx split_small_symbolic_operand (rtx); 43 44 extern void get_aligned_mem (rtx, rtx *, rtx *); 45 extern rtx get_unaligned_address (rtx); 46 extern rtx get_unaligned_offset (rtx, HOST_WIDE_INT); 47 extern enum reg_class alpha_preferred_reload_class (rtx, enum reg_class); 48 49 extern void alpha_set_memflags (rtx, rtx); 50 extern bool alpha_split_const_mov (enum machine_mode, rtx *); 51 extern bool alpha_expand_mov (enum machine_mode, rtx *); 52 extern bool alpha_expand_mov_nobwx (enum machine_mode, rtx *); 53 extern void alpha_expand_movmisalign (enum machine_mode, rtx *); 54 extern void alpha_emit_floatuns (rtx[]); 55 extern rtx alpha_emit_conditional_move (rtx, enum machine_mode); 56 extern void alpha_split_tmode_pair (rtx[], enum machine_mode, bool); 57 extern void alpha_split_tfmode_frobsign (rtx[], rtx (*)(rtx, rtx, rtx)); 58 extern void alpha_expand_unaligned_load (rtx, rtx, HOST_WIDE_INT, 59 HOST_WIDE_INT, int); 60 extern void alpha_expand_unaligned_store (rtx, rtx, HOST_WIDE_INT, 61 HOST_WIDE_INT); 62 extern int alpha_expand_block_move (rtx []); 63 extern int alpha_expand_block_clear (rtx []); 64 extern rtx alpha_expand_zap_mask (HOST_WIDE_INT); 65 extern void alpha_expand_builtin_vector_binop (rtx (*)(rtx, rtx, rtx), 66 enum machine_mode, 67 rtx, rtx, rtx); 68 extern void alpha_expand_builtin_establish_vms_condition_handler (rtx, rtx); 69 extern void alpha_expand_builtin_revert_vms_condition_handler (rtx); 70 71 extern rtx alpha_return_addr (int, rtx); 72 extern rtx alpha_gp_save_rtx (void); 73 extern void print_operand (FILE *, rtx, int); 74 extern void print_operand_address (FILE *, rtx); 75 extern void alpha_initialize_trampoline (rtx, rtx, rtx, int, int, int); 76 77 extern rtx alpha_va_arg (tree, tree); 78 extern rtx function_arg (CUMULATIVE_ARGS, enum machine_mode, tree, int); 79 extern rtx function_value (const_tree, const_tree, enum machine_mode); 80 81 extern void alpha_start_function (FILE *, const char *, tree); 82 extern void alpha_end_function (FILE *, const char *, tree); 83 84 extern int alpha_find_lo_sum_using_gp (rtx); 85 86 #ifdef REAL_VALUE_TYPE 87 extern int check_float_value (enum machine_mode, REAL_VALUE_TYPE *, int); 88 #endif 89 90 #ifdef RTX_CODE 91 extern void alpha_emit_conditional_branch (rtx[], enum machine_mode); 92 extern bool alpha_emit_setcc (rtx[], enum machine_mode); 93 extern int alpha_split_conditional_move (enum rtx_code, rtx, rtx, rtx, rtx); 94 extern void alpha_emit_xfloating_arith (enum rtx_code, rtx[]); 95 extern void alpha_emit_xfloating_cvt (enum rtx_code, rtx[]); 96 extern void alpha_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 97 extern void alpha_split_compare_and_swap (rtx, rtx, rtx, rtx, rtx); 98 extern void alpha_expand_compare_and_swap_12 (rtx, rtx, rtx, rtx); 99 extern void alpha_split_compare_and_swap_12 (enum machine_mode, rtx, rtx, 100 rtx, rtx, rtx, rtx, rtx); 101 extern void alpha_split_lock_test_and_set (rtx, rtx, rtx, rtx); 102 extern void alpha_expand_lock_test_and_set_12 (rtx, rtx, rtx); 103 extern void alpha_split_lock_test_and_set_12 (enum machine_mode, rtx, rtx, 104 rtx, rtx, rtx); 105 #endif 106 107 extern rtx alpha_need_linkage (const char *, int); 108 extern rtx alpha_use_linkage (rtx, tree, int, int); 109 110 #if TARGET_ABI_OPEN_VMS 111 extern enum avms_arg_type alpha_arg_type (enum machine_mode); 112 extern rtx alpha_arg_info_reg_val (CUMULATIVE_ARGS); 113 extern void avms_asm_output_external (FILE *, tree, const char *); 114 extern void vms_output_aligned_decl_common (FILE *, tree, const char *, 115 unsigned HOST_WIDE_INT, 116 unsigned int); 117 extern HOST_WIDE_INT alpha_vms_initial_elimination_offset (unsigned int, 118 unsigned int); 119 #endif 120 121 extern rtx unicosmk_add_call_info_word (rtx); 122 123 #if TARGET_ABI_UNICOSMK 124 extern void unicosmk_defer_case_vector (rtx, rtx); 125 extern void unicosmk_add_extern (const char *); 126 extern void unicosmk_output_align (FILE *, int); 127 extern void unicosmk_output_common (FILE *, const char *, int, int); 128 extern int unicosmk_initial_elimination_offset (int, int); 129 #endif 130 131 extern int some_small_symbolic_operand_int (rtx *, void *); 132 extern int tls_symbolic_operand_1 (rtx, int, int); 133 extern rtx resolve_reload_operand (rtx); 134