1132718Skan/* Default target hook functions. 2169689Skan Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. 3132718Skan 4132718SkanThis file is part of GCC. 5132718Skan 6132718SkanGCC is free software; you can redistribute it and/or modify it under 7132718Skanthe terms of the GNU General Public License as published by the Free 8132718SkanSoftware Foundation; either version 2, or (at your option) any later 9132718Skanversion. 10132718Skan 11132718SkanGCC is distributed in the hope that it will be useful, but WITHOUT ANY 12132718SkanWARRANTY; without even the implied warranty of MERCHANTABILITY or 13132718SkanFITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14132718Skanfor more details. 15132718Skan 16132718SkanYou should have received a copy of the GNU General Public License 17132718Skanalong with GCC; see the file COPYING. If not, write to the Free 18169689SkanSoftware Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 19169689Skan02110-1301, USA. */ 20132718Skan 21132718Skanextern void default_external_libcall (rtx); 22132718Skan 23132718Skanextern enum machine_mode default_cc_modes_compatible (enum machine_mode, 24132718Skan enum machine_mode); 25132718Skan 26132718Skanextern bool default_return_in_memory (tree, tree); 27132718Skan 28132718Skanextern rtx default_expand_builtin_saveregs (void); 29132718Skanextern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int); 30169689Skanextern rtx default_builtin_setjmp_frame_value (void); 31132718Skanextern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *); 32132718Skan 33169689Skanextern enum machine_mode default_eh_return_filter_mode (void); 34169689Skanextern unsigned HOST_WIDE_INT default_shift_truncation_mask 35169689Skan (enum machine_mode); 36169689Skanextern unsigned int default_min_divisions_for_recip_mul (enum machine_mode); 37169689Skanextern int default_mode_rep_extended (enum machine_mode, enum machine_mode); 38169689Skan 39169689Skanextern tree default_stack_protect_guard (void); 40169689Skanextern tree default_external_stack_protect_fail (void); 41169689Skanextern tree default_hidden_stack_protect_fail (void); 42169689Skan 43169689Skanextern tree default_cxx_guard_type (void); 44169689Skanextern tree default_cxx_get_cookie_size (tree); 45169689Skan 46169689Skanextern bool hook_pass_by_reference_must_pass_in_stack 47169689Skan (CUMULATIVE_ARGS *, enum machine_mode mode, tree, bool); 48169689Skanextern bool hook_callee_copies_named 49169689Skan (CUMULATIVE_ARGS *ca, enum machine_mode, tree, bool); 50169689Skan 51169689Skanextern void default_unwind_emit (FILE *, rtx); 52169689Skan 53169689Skanextern bool default_scalar_mode_supported_p (enum machine_mode); 54169689Skanextern bool default_decimal_float_supported_p (void); 55169689Skan 56169689Skanextern const char * default_invalid_within_doloop (rtx); 57169689Skan 58169689Skanextern bool default_narrow_bitfield (void); 59169689Skan 60220150Smmextern bool default_builtin_vector_alignment_reachable (tree, bool); 61220150Smm 62169689Skan/* These are here, and not in hooks.[ch], because not all users of 63169689Skan hooks.h include tm.h, and thus we don't have CUMULATIVE_ARGS. */ 64169689Skan 65169689Skanextern bool hook_bool_CUMULATIVE_ARGS_false (CUMULATIVE_ARGS *); 66132718Skanextern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *); 67169689Skan 68169689Skanextern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false 69169689Skan (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); 70169689Skanextern bool hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true 71169689Skan (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); 72169689Skanextern int hook_int_CUMULATIVE_ARGS_mode_tree_bool_0 73169689Skan (CUMULATIVE_ARGS *, enum machine_mode, tree, bool); 74169689Skanextern const char *hook_invalid_arg_for_unprototyped_fn 75169689Skan (tree, tree, tree); 76169689Skanextern bool hook_bool_rtx_commutative_p (rtx, int); 77169689Skanextern rtx default_function_value (tree, tree, bool); 78169689Skanextern rtx default_internal_arg_pointer (void); 79169689Skanextern enum reg_class default_secondary_reload (bool, rtx, enum reg_class, 80169689Skan enum machine_mode, 81169689Skan secondary_reload_info *); 82169689Skanextern void hook_void_bitmap (bitmap); 83169689Skan 84169689Skanextern int default_reloc_rw_mask (void); 85