1 /* Definitions of target machine for GNU compiler for IA-64. 2 Copyright (C) 1999, 2000, 2002, 2003, 2004 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 2, 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 COPYING. If not, write to 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 /* Variables defined in ia64.c. */ 23 24 #ifdef RTX_CODE 25 extern GTY(()) rtx ia64_compare_op0; 26 extern GTY(()) rtx ia64_compare_op1; 27 #endif 28 29 /* Functions defined in ia64.c */ 30 31 extern int bundling_p; 32 #ifdef RTX_CODE 33 extern int ia64_st_address_bypass_p (rtx, rtx); 34 extern int ia64_ld_address_bypass_p (rtx, rtx); 35 extern int ia64_produce_address_p (rtx); 36 extern int call_operand (rtx, enum machine_mode); 37 extern int sdata_symbolic_operand (rtx, enum machine_mode); 38 extern int got_symbolic_operand (rtx, enum machine_mode); 39 extern int symbolic_operand (rtx, enum machine_mode); 40 extern int tls_symbolic_operand (rtx, enum machine_mode); 41 extern int function_operand (rtx, enum machine_mode); 42 extern int setjmp_operand (rtx, enum machine_mode); 43 extern int move_operand (rtx, enum machine_mode); 44 extern int gr_register_operand (rtx, enum machine_mode); 45 extern int fr_register_operand (rtx, enum machine_mode); 46 extern int grfr_register_operand (rtx, enum machine_mode); 47 extern int gr_nonimmediate_operand (rtx, enum machine_mode); 48 extern int fr_nonimmediate_operand (rtx, enum machine_mode); 49 extern int grfr_nonimmediate_operand (rtx, enum machine_mode); 50 extern int gr_reg_or_0_operand (rtx, enum machine_mode); 51 extern int gr_reg_or_5bit_operand (rtx, enum machine_mode); 52 extern int gr_reg_or_6bit_operand (rtx, enum machine_mode); 53 extern int gr_reg_or_8bit_operand (rtx, enum machine_mode); 54 extern int grfr_reg_or_8bit_operand (rtx, enum machine_mode); 55 extern int gr_reg_or_8bit_adjusted_operand (rtx, enum machine_mode); 56 extern int gr_reg_or_8bit_and_adjusted_operand (rtx, enum machine_mode); 57 extern int gr_reg_or_14bit_operand (rtx, enum machine_mode); 58 extern int gr_reg_or_22bit_operand (rtx, enum machine_mode); 59 extern int shift_count_operand (rtx, enum machine_mode); 60 extern int shift_32bit_count_operand (rtx, enum machine_mode); 61 extern int shladd_operand (rtx, enum machine_mode); 62 extern int fetchadd_operand (rtx, enum machine_mode); 63 extern int fr_reg_or_fp01_operand (rtx, enum machine_mode); 64 extern int normal_comparison_operator (rtx, enum machine_mode); 65 extern int adjusted_comparison_operator (rtx, enum machine_mode); 66 extern int signed_inequality_operator (rtx, enum machine_mode); 67 extern int destination_operand (rtx, enum machine_mode); 68 extern int not_postinc_memory_operand (rtx, enum machine_mode); 69 extern int predicate_operator (rtx, enum machine_mode); 70 extern int ar_lc_reg_operand (rtx, enum machine_mode); 71 extern int ar_ccv_reg_operand (rtx, enum machine_mode); 72 extern int ar_pfs_reg_operand (rtx, enum machine_mode); 73 extern int general_xfmode_operand (rtx, enum machine_mode); 74 extern int destination_xfmode_operand (rtx, enum machine_mode); 75 extern int xfreg_or_fp01_operand (rtx, enum machine_mode); 76 extern int basereg_operand (rtx, enum machine_mode); 77 78 extern rtx ia64_expand_move (rtx, rtx); 79 extern int ia64_move_ok (rtx, rtx); 80 extern int addp4_optimize_ok (rtx, rtx); 81 extern void ia64_emit_cond_move (rtx, rtx, rtx); 82 extern int ia64_depz_field_mask (rtx, rtx); 83 extern void ia64_split_tmode_move (rtx[]); 84 extern rtx spill_xfmode_operand (rtx, int); 85 extern rtx ia64_expand_compare (enum rtx_code, enum machine_mode); 86 extern void ia64_expand_call (rtx, rtx, rtx, int); 87 extern void ia64_split_call (rtx, rtx, rtx, rtx, rtx, int, int); 88 extern void ia64_reload_gp (void); 89 90 extern HOST_WIDE_INT ia64_initial_elimination_offset (int, int); 91 extern void ia64_expand_prologue (void); 92 extern void ia64_expand_epilogue (int); 93 94 extern int ia64_direct_return (void); 95 extern void ia64_expand_load_address (rtx, rtx); 96 extern int ia64_hard_regno_rename_ok (int, int); 97 98 extern void ia64_initialize_trampoline (rtx, rtx, rtx); 99 extern void ia64_print_operand_address (FILE *, rtx); 100 extern void ia64_print_operand (FILE *, rtx, int); 101 extern enum reg_class ia64_secondary_reload_class (enum reg_class, 102 enum machine_mode, rtx); 103 extern void ia64_output_dwarf_dtprel (FILE*, int, rtx); 104 extern void process_for_unwind_directive (FILE *, rtx); 105 extern const char *get_bundle_name (int); 106 #endif /* RTX_CODE */ 107 108 #ifdef TREE_CODE 109 #ifdef RTX_CODE 110 extern rtx ia64_function_arg (CUMULATIVE_ARGS *, enum machine_mode, 111 tree, int, int); 112 extern rtx ia64_expand_builtin (tree, rtx, rtx, enum machine_mode, int); 113 extern rtx ia64_va_arg (tree, tree); 114 extern rtx ia64_function_value (tree, tree); 115 #endif /* RTX_CODE */ 116 117 extern void ia64_setup_incoming_varargs (CUMULATIVE_ARGS, int, tree, 118 int *, int); 119 extern int ia64_function_arg_partial_nregs (CUMULATIVE_ARGS *, 120 enum machine_mode, tree, int); 121 extern void ia64_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, 122 tree, int); 123 extern int ia64_function_arg_pass_by_reference (CUMULATIVE_ARGS *, 124 enum machine_mode, tree, int); 125 extern int ia64_return_in_memory (tree); 126 extern void ia64_asm_output_external (FILE *, tree, const char *); 127 #endif /* TREE_CODE */ 128 129 extern int ia64_register_move_cost (enum machine_mode, enum reg_class, 130 enum reg_class); 131 extern int ia64_epilogue_uses (int); 132 extern int ia64_eh_uses (int); 133 extern void emit_safe_across_calls (void); 134 extern void ia64_init_builtins (void); 135 extern void ia64_override_options (void); 136 extern int ia64_dbx_register_number (int); 137 138 extern rtx ia64_return_addr_rtx (HOST_WIDE_INT, rtx); 139 extern void ia64_split_return_addr_rtx (rtx); 140 141 #ifdef SDATA_SECTION_ASM_OP 142 extern void sdata_section (void); 143 #endif 144 145 #ifdef SBSS_SECTION_ASM_OP 146 extern void sbss_section (void); 147 #endif 148 149 #ifdef ARGS_SIZE_RTX 150 /* expr.h defines ARGS_SIZE_RTX and `enum direction'. */ 151 extern enum direction ia64_hpux_function_arg_padding (enum machine_mode, tree); 152 #endif /* ARGS_SIZE_RTX */ 153 154 extern void ia64_hpux_handle_builtin_pragma (struct cpp_reader *); 155