1/* Definitions of target machine for GNU compiler, for IBM RS/6000. 2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 3 Free Software Foundation, Inc. 4 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published 10 by the Free Software Foundation; either version 2, or (at your 11 option) any later version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING. If not, write to the 20 Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, 21 MA 02110-1301, USA. */ 22 23#ifndef GCC_RS6000_PROTOS_H 24#define GCC_RS6000_PROTOS_H 25 26/* Declare functions in rs6000.c */ 27 28#ifdef RTX_CODE 29 30#ifdef TREE_CODE 31extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, int, int, int); 32extern void rs6000_va_start (tree, rtx); 33#endif /* TREE_CODE */ 34 35extern bool easy_altivec_constant (rtx, enum machine_mode); 36extern bool macho_lo_sum_memory_operand (rtx, enum machine_mode); 37extern int num_insns_constant (rtx, enum machine_mode); 38extern int num_insns_constant_wide (HOST_WIDE_INT); 39extern int small_data_operand (rtx, enum machine_mode); 40extern bool toc_relative_expr_p (rtx); 41extern bool invalid_e500_subreg (rtx, enum machine_mode); 42extern void validate_condition_mode (enum rtx_code, enum machine_mode); 43extern bool legitimate_constant_pool_address_p (rtx); 44extern bool legitimate_indirect_address_p (rtx, int); 45 46extern rtx rs6000_got_register (rtx); 47extern rtx find_addr_reg (rtx); 48extern rtx gen_easy_altivec_constant (rtx); 49extern const char *output_vec_const_move (rtx *); 50extern void rs6000_expand_vector_init (rtx, rtx); 51extern void rs6000_expand_vector_set (rtx, rtx, int); 52extern void rs6000_expand_vector_extract (rtx, rtx, int); 53extern void build_mask64_2_operands (rtx, rtx *); 54extern int expand_block_clear (rtx[]); 55extern int expand_block_move (rtx[]); 56extern const char * rs6000_output_load_multiple (rtx[]); 57extern int includes_lshift_p (rtx, rtx); 58extern int includes_rshift_p (rtx, rtx); 59extern int includes_rldic_lshift_p (rtx, rtx); 60extern int includes_rldicr_lshift_p (rtx, rtx); 61extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx); 62extern int registers_ok_for_quad_peep (rtx, rtx); 63extern int mems_ok_for_quad_peep (rtx, rtx); 64extern bool gpr_or_gpr_p (rtx, rtx); 65extern enum reg_class rs6000_secondary_reload_class (enum reg_class, 66 enum machine_mode, rtx); 67extern int ccr_bit (rtx, int); 68extern int extract_MB (rtx); 69extern int extract_ME (rtx); 70extern void rs6000_output_function_entry (FILE *, const char *); 71extern void print_operand (FILE *, rtx, int); 72extern void print_operand_address (FILE *, rtx); 73extern enum rtx_code rs6000_reverse_condition (enum machine_mode, 74 enum rtx_code); 75extern void rs6000_emit_sCOND (enum rtx_code, rtx); 76extern void rs6000_emit_cbranch (enum rtx_code, rtx); 77extern char * output_cbranch (rtx, const char *, int, rtx); 78extern char * output_e500_flip_gt_bit (rtx, rtx); 79extern rtx rs6000_emit_set_const (rtx, enum machine_mode, rtx, int); 80extern int rs6000_emit_cmove (rtx, rtx, rtx, rtx); 81extern int rs6000_emit_vector_cond_expr (rtx, rtx, rtx, rtx, rtx, rtx); 82extern void rs6000_emit_minmax (rtx, enum rtx_code, rtx, rtx); 83extern void rs6000_emit_sync (enum rtx_code, enum machine_mode, 84 rtx, rtx, rtx, rtx, bool); 85extern void rs6000_split_atomic_op (enum rtx_code, rtx, rtx, rtx, rtx, rtx); 86extern void rs6000_split_compare_and_swap (rtx, rtx, rtx, rtx, rtx); 87extern void rs6000_expand_compare_and_swapqhi (rtx, rtx, rtx, rtx); 88extern void rs6000_split_compare_and_swapqhi (rtx, rtx, rtx, rtx, rtx, rtx); 89extern void rs6000_split_lock_test_and_set (rtx, rtx, rtx, rtx); 90extern void rs6000_emit_swdivsf (rtx, rtx, rtx); 91extern void rs6000_emit_swdivdf (rtx, rtx, rtx); 92extern void output_toc (FILE *, rtx, int, enum machine_mode); 93extern void rs6000_initialize_trampoline (rtx, rtx, rtx); 94extern rtx rs6000_longcall_ref (rtx); 95extern void rs6000_fatal_bad_address (rtx); 96extern rtx create_TOC_reference (rtx); 97extern void rs6000_split_multireg_move (rtx, rtx); 98extern void rs6000_emit_move (rtx, rtx, enum machine_mode); 99extern rtx rs6000_legitimize_address (rtx, rtx, enum machine_mode); 100extern rtx rs6000_legitimize_reload_address (rtx, enum machine_mode, 101 int, int, int, int *); 102extern int rs6000_legitimate_address (enum machine_mode, rtx, int); 103extern bool rs6000_legitimate_offset_address_p (enum machine_mode, rtx, int); 104extern bool rs6000_mode_dependent_address (rtx); 105extern bool rs6000_offsettable_memref_p (rtx); 106extern rtx rs6000_return_addr (int, rtx); 107extern void rs6000_output_symbol_ref (FILE*, rtx); 108extern HOST_WIDE_INT rs6000_initial_elimination_offset (int, int); 109 110extern rtx rs6000_machopic_legitimize_pic_address (rtx, enum machine_mode, 111 rtx); 112#endif /* RTX_CODE */ 113 114#ifdef TREE_CODE 115extern unsigned int rs6000_special_round_type_align (tree, unsigned int, 116 unsigned int); 117extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, 118 tree, int, int); 119extern int function_arg_boundary (enum machine_mode, tree); 120extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int); 121extern tree altivec_resolve_overloaded_builtin (tree, tree); 122extern rtx rs6000_function_value (tree, tree); 123extern rtx rs6000_libcall_value (enum machine_mode); 124extern rtx rs6000_va_arg (tree, tree); 125extern int function_ok_for_sibcall (tree); 126extern void rs6000_elf_declare_function_name (FILE *, const char *, tree); 127extern bool rs6000_elf_in_small_data_p (tree); 128#ifdef ARGS_SIZE_RTX 129/* expr.h defines ARGS_SIZE_RTX and `enum direction' */ 130extern enum direction function_arg_padding (enum machine_mode, tree); 131#endif /* ARGS_SIZE_RTX */ 132 133#endif /* TREE_CODE */ 134 135extern void optimization_options (int, int); 136extern void rs6000_override_options (const char *); 137extern int direct_return (void); 138extern int first_reg_to_save (void); 139extern int first_fp_reg_to_save (void); 140extern void output_ascii (FILE *, const char *, int); 141extern void rs6000_gen_section_name (char **, const char *, const char *); 142extern void output_function_profiler (FILE *, int); 143extern void output_profile_hook (int); 144extern int rs6000_trampoline_size (void); 145extern int get_TOC_alias_set (void); 146extern void rs6000_emit_prologue (void); 147extern void rs6000_emit_load_toc_table (int); 148extern void rs6000_aix_emit_builtin_unwind_init (void); 149extern unsigned int rs6000_dbx_register_number (unsigned int); 150extern void rs6000_emit_epilogue (int); 151extern void rs6000_emit_eh_reg_restore (rtx, rtx); 152extern const char * output_isel (rtx *); 153extern int rs6000_register_move_cost (enum machine_mode, 154 enum reg_class, enum reg_class); 155extern int rs6000_memory_move_cost (enum machine_mode, enum reg_class, int); 156extern bool rs6000_tls_referenced_p (rtx); 157extern int rs6000_hard_regno_nregs (int, enum machine_mode); 158extern void rs6000_conditional_register_usage (void); 159 160/* Declare functions in rs6000-c.c */ 161 162extern void rs6000_pragma_longcall (struct cpp_reader *); 163extern void rs6000_cpu_cpp_builtins (struct cpp_reader *); 164 165#if TARGET_MACHO 166char *output_call (rtx, rtx *, int, int); 167#endif 168 169extern bool rs6000_hard_regno_mode_ok_p[][FIRST_PSEUDO_REGISTER]; 170#endif /* rs6000-protos.h */ 171