1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
3 Free Software Foundation, Inc.
4 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
6 This file is part of GCC.
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 3, or (at your
11 option) any later version.
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.
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
22 #ifndef GCC_RS6000_PROTOS_H
23 #define GCC_RS6000_PROTOS_H
25 /* Declare functions in rs6000.c */
30 extern void init_cumulative_args (CUMULATIVE_ARGS
*, tree
, rtx
, int, int, int);
31 #endif /* TREE_CODE */
33 extern bool easy_altivec_constant (rtx
, enum machine_mode
);
34 extern HOST_WIDE_INT
const_vector_elt_as_int (rtx
, unsigned int);
35 extern bool macho_lo_sum_memory_operand (rtx
, enum machine_mode
);
36 extern int num_insns_constant (rtx
, enum machine_mode
);
37 extern int num_insns_constant_wide (HOST_WIDE_INT
);
38 extern int small_data_operand (rtx
, enum machine_mode
);
39 extern bool toc_relative_expr_p (rtx
);
40 extern bool invalid_e500_subreg (rtx
, enum machine_mode
);
41 extern void validate_condition_mode (enum rtx_code
, enum machine_mode
);
42 extern bool legitimate_constant_pool_address_p (rtx
);
43 extern bool legitimate_indirect_address_p (rtx
, int);
44 extern bool legitimate_indexed_address_p (rtx
, int);
45 extern bool avoiding_indexed_address_p (enum machine_mode
);
47 extern rtx
rs6000_got_register (rtx
);
48 extern rtx
find_addr_reg (rtx
);
49 extern rtx
gen_easy_altivec_constant (rtx
);
50 extern const char *output_vec_const_move (rtx
*);
51 extern void rs6000_expand_vector_init (rtx
, rtx
);
52 extern void paired_expand_vector_init (rtx
, rtx
);
53 extern void rs6000_expand_vector_set (rtx
, rtx
, int);
54 extern void rs6000_expand_vector_extract (rtx
, rtx
, int);
55 extern void build_mask64_2_operands (rtx
, rtx
*);
56 extern int expand_block_clear (rtx
[]);
57 extern int expand_block_move (rtx
[]);
58 extern const char * rs6000_output_load_multiple (rtx
[]);
59 extern int includes_lshift_p (rtx
, rtx
);
60 extern int includes_rshift_p (rtx
, rtx
);
61 extern int includes_rldic_lshift_p (rtx
, rtx
);
62 extern int includes_rldicr_lshift_p (rtx
, rtx
);
63 extern int insvdi_rshift_rlwimi_p (rtx
, rtx
, rtx
);
64 extern int registers_ok_for_quad_peep (rtx
, rtx
);
65 extern int mems_ok_for_quad_peep (rtx
, rtx
);
66 extern bool gpr_or_gpr_p (rtx
, rtx
);
67 extern enum reg_class (*rs6000_preferred_reload_class_ptr
) (rtx
,
69 extern enum reg_class (*rs6000_secondary_reload_class_ptr
) (enum reg_class
,
72 extern bool (*rs6000_secondary_memory_needed_ptr
) (enum reg_class
,
75 extern bool (*rs6000_cannot_change_mode_class_ptr
) (enum machine_mode
,
78 extern void rs6000_secondary_reload_inner (rtx
, rtx
, rtx
, bool);
79 extern int paired_emit_vector_cond_expr (rtx
, rtx
, rtx
,
81 extern void paired_expand_vector_move (rtx operands
[]);
84 extern int ccr_bit (rtx
, int);
85 extern int extract_MB (rtx
);
86 extern int extract_ME (rtx
);
87 extern void rs6000_output_function_entry (FILE *, const char *);
88 extern void print_operand (FILE *, rtx
, int);
89 extern void print_operand_address (FILE *, rtx
);
90 extern bool rs6000_output_addr_const_extra (FILE *, rtx
);
91 extern enum rtx_code
rs6000_reverse_condition (enum machine_mode
,
93 extern void rs6000_emit_sISEL (enum machine_mode
, rtx
[]);
94 extern void rs6000_emit_sCOND (enum machine_mode
, rtx
[]);
95 extern void rs6000_emit_cbranch (enum machine_mode
, rtx
[]);
96 extern char * output_cbranch (rtx
, const char *, int, rtx
);
97 extern char * output_e500_flip_gt_bit (rtx
, rtx
);
98 extern rtx
rs6000_emit_set_const (rtx
, enum machine_mode
, rtx
, int);
99 extern int rs6000_emit_cmove (rtx
, rtx
, rtx
, rtx
);
100 extern int rs6000_emit_vector_cond_expr (rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
101 extern void rs6000_emit_minmax (rtx
, enum rtx_code
, rtx
, rtx
);
102 extern void rs6000_emit_sync (enum rtx_code
, enum machine_mode
,
103 rtx
, rtx
, rtx
, rtx
, bool);
104 extern void rs6000_split_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
, rtx
);
105 extern void rs6000_split_compare_and_swap (rtx
, rtx
, rtx
, rtx
, rtx
);
106 extern void rs6000_expand_compare_and_swapqhi (rtx
, rtx
, rtx
, rtx
);
107 extern void rs6000_split_compare_and_swapqhi (rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
108 extern void rs6000_split_lock_test_and_set (rtx
, rtx
, rtx
, rtx
);
109 extern void rs6000_emit_swdivsf (rtx
, rtx
, rtx
);
110 extern void rs6000_emit_swdivdf (rtx
, rtx
, rtx
);
111 extern void rs6000_emit_swrsqrtsf (rtx
, rtx
);
112 extern void output_toc (FILE *, rtx
, int, enum machine_mode
);
113 extern rtx
rs6000_longcall_ref (rtx
);
114 extern void rs6000_fatal_bad_address (rtx
);
115 extern rtx
create_TOC_reference (rtx
);
116 extern void rs6000_split_multireg_move (rtx
, rtx
);
117 extern void rs6000_emit_move (rtx
, rtx
, enum machine_mode
);
118 extern rtx
rs6000_secondary_memory_needed_rtx (enum machine_mode
);
119 extern rtx (*rs6000_legitimize_reload_address_ptr
) (rtx
, enum machine_mode
,
120 int, int, int, int *);
121 extern bool rs6000_legitimate_offset_address_p (enum machine_mode
, rtx
, int);
122 extern bool (*rs6000_mode_dependent_address_ptr
) (rtx
);
123 extern rtx
rs6000_find_base_term (rtx
);
124 extern bool rs6000_offsettable_memref_p (rtx
);
125 extern rtx
rs6000_return_addr (int, rtx
);
126 extern void rs6000_output_symbol_ref (FILE*, rtx
);
127 extern HOST_WIDE_INT
rs6000_initial_elimination_offset (int, int);
128 extern void rs6000_emit_popcount (rtx
, rtx
);
129 extern void rs6000_emit_parity (rtx
, rtx
);
131 extern rtx
rs6000_machopic_legitimize_pic_address (rtx
, enum machine_mode
,
133 #endif /* RTX_CODE */
136 extern unsigned int rs6000_special_round_type_align (tree
, unsigned int,
138 extern unsigned int darwin_rs6000_special_round_type_align (tree
, unsigned int,
140 extern void function_arg_advance (CUMULATIVE_ARGS
*, enum machine_mode
,
142 extern int function_arg_boundary (enum machine_mode
, tree
);
143 extern rtx
function_arg (CUMULATIVE_ARGS
*, enum machine_mode
, tree
, int);
144 extern tree
altivec_resolve_overloaded_builtin (location_t
, tree
, void *);
145 extern rtx
rs6000_libcall_value (enum machine_mode
);
146 extern rtx
rs6000_va_arg (tree
, tree
);
147 extern int function_ok_for_sibcall (tree
);
148 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree
);
149 extern bool rs6000_elf_in_small_data_p (const_tree
);
151 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
152 extern enum direction
function_arg_padding (enum machine_mode
, const_tree
);
153 #endif /* ARGS_SIZE_RTX */
155 #endif /* TREE_CODE */
157 extern void optimization_options (int, int);
158 extern void rs6000_override_options (const char *);
159 extern int direct_return (void);
160 extern int first_reg_to_save (void);
161 extern int first_fp_reg_to_save (void);
162 extern void output_ascii (FILE *, const char *, int);
163 extern void rs6000_gen_section_name (char **, const char *, const char *);
164 extern void output_function_profiler (FILE *, int);
165 extern void output_profile_hook (int);
166 extern int rs6000_trampoline_size (void);
167 extern alias_set_type
get_TOC_alias_set (void);
168 extern void rs6000_emit_prologue (void);
169 extern void rs6000_emit_load_toc_table (int);
170 extern void rs6000_aix_emit_builtin_unwind_init (void);
171 extern unsigned int rs6000_dbx_register_number (unsigned int);
172 extern void rs6000_emit_epilogue (int);
173 extern void rs6000_emit_eh_reg_restore (rtx
, rtx
);
174 extern const char * output_isel (rtx
*);
175 extern int rs6000_register_move_cost (enum machine_mode
,
176 enum reg_class
, enum reg_class
);
177 extern int rs6000_memory_move_cost (enum machine_mode
, enum reg_class
, int);
178 extern bool rs6000_tls_referenced_p (rtx
);
179 extern void rs6000_conditional_register_usage (void);
181 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
183 /* Declare functions in rs6000-c.c */
185 extern void rs6000_pragma_longcall (struct cpp_reader
*);
186 extern void rs6000_cpu_cpp_builtins (struct cpp_reader
*);
189 char *output_call (rtx
, rtx
*, int, int);
192 #ifdef NO_DOLLAR_IN_LABEL
193 const char * rs6000_xcoff_strip_dollar (const char *);
196 void rs6000_final_prescan_insn (rtx
, rtx
*operand
, int num_operands
);
198 extern bool rs6000_hard_regno_mode_ok_p
[][FIRST_PSEUDO_REGISTER
];
199 extern unsigned char rs6000_class_max_nregs
[][LIM_REG_CLASSES
];
200 extern unsigned char rs6000_hard_regno_nregs
[][FIRST_PSEUDO_REGISTER
];
201 #endif /* rs6000-protos.h */