190075Sobrien/* Definitions of target machine for GNU compiler, for IBM RS/6000. 2169689Skan Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 3132718Skan Free Software Foundation, Inc. 490075Sobrien Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) 590075Sobrien 6132718Skan This file is part of GCC. 790075Sobrien 8132718Skan GCC is free software; you can redistribute it and/or modify it 9132718Skan under the terms of the GNU General Public License as published 10132718Skan by the Free Software Foundation; either version 2, or (at your 11132718Skan option) any later version. 1290075Sobrien 13132718Skan GCC is distributed in the hope that it will be useful, but WITHOUT 14132718Skan ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15132718Skan or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16132718Skan License for more details. 1790075Sobrien 18132718Skan You should have received a copy of the GNU General Public License 19132718Skan along with GCC; see the file COPYING. If not, write to the 20169689Skan Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 21169689Skan MA 02110-1301, USA. */ 2290075Sobrien 23117395Skan#ifndef GCC_RS6000_PROTOS_H 24117395Skan#define GCC_RS6000_PROTOS_H 25117395Skan 2690075Sobrien/* Declare functions in rs6000.c */ 2790075Sobrien 2890075Sobrien#ifdef RTX_CODE 2990075Sobrien 3090075Sobrien#ifdef TREE_CODE 31132718Skanextern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int); 32132718Skanextern void rs6000_va_start (tree, rtx); 3390075Sobrien#endif /* TREE_CODE */ 3490075Sobrien 35169689Skanextern bool easy_altivec_constant (rtx, enum machine_mode); 36169689Skanextern bool macho_lo_sum_memory_operand (rtx, enum machine_mode); 37132718Skanextern int num_insns_constant (rtx, enum machine_mode); 38169689Skanextern int num_insns_constant_wide (HOST_WIDE_INT); 39169689Skanextern int small_data_operand (rtx, enum machine_mode); 40169689Skanextern bool toc_relative_expr_p (rtx); 41169689Skanextern bool invalid_e500_subreg (rtx, enum machine_mode); 42169689Skanextern void validate_condition_mode (enum rtx_code, enum machine_mode); 43169689Skanextern bool legitimate_constant_pool_address_p (rtx); 44169689Skanextern bool legitimate_indirect_address_p (rtx, int); 45169689Skan 46169689Skanextern rtx rs6000_got_register (rtx); 47169689Skanextern rtx find_addr_reg (rtx); 48169689Skanextern rtx gen_easy_altivec_constant (rtx); 49132718Skanextern const char *output_vec_const_move (rtx *); 50169689Skanextern void rs6000_expand_vector_init (rtx, rtx); 51169689Skanextern void rs6000_expand_vector_set (rtx, rtx, int); 52169689Skanextern void rs6000_expand_vector_extract (rtx, rtx, int); 53132718Skanextern void build_mask64_2_operands (rtx, rtx *); 54169689Skanextern int expand_block_clear (rtx[]); 55132718Skanextern int expand_block_move (rtx[]); 56132718Skanextern const char * rs6000_output_load_multiple (rtx[]); 57132718Skanextern int includes_lshift_p (rtx, rtx); 58132718Skanextern int includes_rshift_p (rtx, rtx); 59132718Skanextern int includes_rldic_lshift_p (rtx, rtx); 60132718Skanextern int includes_rldicr_lshift_p (rtx, rtx); 61169689Skanextern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx); 62132718Skanextern int registers_ok_for_quad_peep (rtx, rtx); 63169689Skanextern int mems_ok_for_quad_peep (rtx, rtx); 64132718Skanextern bool gpr_or_gpr_p (rtx, rtx); 65169689Skanextern enum reg_class rs6000_secondary_reload_class (enum reg_class, 66169689Skan enum machine_mode, rtx); 67132718Skanextern int ccr_bit (rtx, int); 68132718Skanextern int extract_MB (rtx); 69132718Skanextern int extract_ME (rtx); 70169689Skanextern void rs6000_output_function_entry (FILE *, const char *); 71132718Skanextern void print_operand (FILE *, rtx, int); 72132718Skanextern void print_operand_address (FILE *, rtx); 73132718Skanextern enum rtx_code rs6000_reverse_condition (enum machine_mode, 74132718Skan enum rtx_code); 75132718Skanextern void rs6000_emit_sCOND (enum rtx_code, rtx); 76132718Skanextern void rs6000_emit_cbranch (enum rtx_code, rtx); 77132718Skanextern char * output_cbranch (rtx, const char *, int, rtx); 78169689Skanextern char * output_e500_flip_gt_bit (rtx, rtx); 79132718Skanextern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int); 80132718Skanextern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 81169689Skanextern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 82132718Skanextern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 83169689Skanextern void rs6000_emit_sync (enum rtx_code, enum machine_mode, 84169689Skan rtx, rtx, rtx, rtx, bool); 85169689Skanextern void rs6000_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 86169689Skanextern void rs6000_split_compare_and_swap (rtx, rtx, rtx, rtx, rtx); 87169689Skanextern void rs6000_expand_compare_and_swapqhi (rtx, rtx, rtx, rtx); 88169689Skanextern void rs6000_split_compare_and_swapqhi (rtx, rtx, rtx, rtx, rtx, rtx); 89169689Skanextern void rs6000_split_lock_test_and_set (rtx, rtx, rtx, rtx); 90169689Skanextern void rs6000_emit_swdivsf (rtx, rtx, rtx); 91169689Skanextern void rs6000_emit_swdivdf (rtx, rtx, rtx); 92132718Skanextern void output_toc (FILE *, rtx, int, enum machine_mode); 93132718Skanextern void rs6000_initialize_trampoline (rtx, rtx, rtx); 94169689Skanextern rtx rs6000_longcall_ref (rtx); 95132718Skanextern void rs6000_fatal_bad_address (rtx); 96169689Skanextern rtx create_TOC_reference (rtx); 97132718Skanextern void rs6000_split_multireg_move (rtx, rtx); 98132718Skanextern void rs6000_emit_move (rtx, rtx, enum machine_mode); 99132718Skanextern rtx rs6000_legitimize_address (rtx, rtx, enum machine_mode); 100132718Skanextern rtx rs6000_legitimize_reload_address (rtx, enum machine_mode, 101169689Skan int, int, int, int *); 102132718Skanextern int rs6000_legitimate_address (enum machine_mode, rtx, int); 103169689Skanextern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int); 104132718Skanextern bool rs6000_mode_dependent_address (rtx); 105169689Skanextern bool rs6000_offsettable_memref_p (rtx); 106132718Skanextern rtx rs6000_return_addr (int, rtx); 107132718Skanextern void rs6000_output_symbol_ref (FILE*, rtx); 108132718Skanextern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 10990075Sobrien 110169689Skanextern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode, 111169689Skan rtx); 11290075Sobrien#endif /* RTX_CODE */ 11390075Sobrien 11490075Sobrien#ifdef TREE_CODE 115169689Skanextern unsigned int rs6000_special_round_type_align (tree, unsigned int, 116169689Skan unsigned int); 117132718Skanextern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, 118169689Skan tree, int, int); 119132718Skanextern int function_arg_boundary (enum machine_mode, tree); 120169689Skanextern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 121169689Skanextern tree altivec_resolve_overloaded_builtin (tree, tree); 122132718Skanextern rtx rs6000_function_value (tree, tree); 123132718Skanextern rtx rs6000_libcall_value (enum machine_mode); 124169689Skanextern rtx rs6000_va_arg (tree, tree); 125132718Skanextern int function_ok_for_sibcall (tree); 126132718Skanextern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 127169689Skanextern bool rs6000_elf_in_small_data_p (tree); 12890075Sobrien#ifdef ARGS_SIZE_RTX 12990075Sobrien/* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 130132718Skanextern enum direction function_arg_padding (enum machine_mode, tree); 13190075Sobrien#endif /* ARGS_SIZE_RTX */ 13290075Sobrien 13390075Sobrien#endif /* TREE_CODE */ 13490075Sobrien 135132718Skanextern void optimization_options (int, int); 136132718Skanextern void rs6000_override_options (const char *); 137132718Skanextern int direct_return (void); 138132718Skanextern int first_reg_to_save (void); 139132718Skanextern int first_fp_reg_to_save (void); 140132718Skanextern void output_ascii (FILE *, const char *, int); 141132718Skanextern void rs6000_gen_section_name (char **, const char *, const char *); 142132718Skanextern void output_function_profiler (FILE *, int); 143132718Skanextern void output_profile_hook (int); 144132718Skanextern int rs6000_trampoline_size (void); 145132718Skanextern int get_TOC_alias_set (void); 146132718Skanextern void rs6000_emit_prologue (void); 147132718Skanextern void rs6000_emit_load_toc_table (int); 148132718Skanextern void rs6000_aix_emit_builtin_unwind_init (void); 149132718Skanextern unsigned int rs6000_dbx_register_number (unsigned int); 150132718Skanextern void rs6000_emit_epilogue (int); 151132718Skanextern void rs6000_emit_eh_reg_restore (rtx, rtx); 152132718Skanextern const char * output_isel (rtx *); 153132718Skanextern int rs6000_register_move_cost (enum machine_mode, 154169689Skan enum reg_class, enum reg_class); 155132718Skanextern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int); 156132718Skanextern bool rs6000_tls_referenced_p (rtx); 157169689Skanextern int rs6000_hard_regno_nregs (int, enum machine_mode); 158169689Skanextern void rs6000_conditional_register_usage (void); 15990075Sobrien 160117395Skan/* Declare functions in rs6000-c.c */ 161117395Skan 162132718Skanextern void rs6000_pragma_longcall (struct cpp_reader *); 163132718Skanextern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 164132718Skan 165132718Skan#if TARGET_MACHO 166132718Skanchar *output_call (rtx, rtx *, int, int); 167117395Skan#endif 168117395Skan 169169689Skanextern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 170117395Skan#endif /* rs6000-protos.h */ 171