1 /* Definitions of target machine for GNU compiler, for IBM RS/6000.
2 Copyright (C) 2000-2017 Free Software Foundation, Inc.
3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it
8 under the terms of the GNU General Public License as published
9 by the Free Software Foundation; either version 3, or (at your
10 option) any later version.
12 GCC is distributed in the hope that it will be useful, but WITHOUT
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
15 License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #ifndef GCC_RS6000_PROTOS_H
22 #define GCC_RS6000_PROTOS_H
24 /* Declare functions in rs6000.c */
29 extern void init_cumulative_args (CUMULATIVE_ARGS
*, tree
, rtx
, int, int, int,
31 #endif /* TREE_CODE */
33 extern bool easy_altivec_constant (rtx
, machine_mode
);
34 extern bool xxspltib_constant_p (rtx
, machine_mode
, int *, int *);
35 extern int vspltis_shifted (rtx
);
36 extern HOST_WIDE_INT
const_vector_elt_as_int (rtx
, unsigned int);
37 extern bool macho_lo_sum_memory_operand (rtx
, machine_mode
);
38 extern int num_insns_constant (rtx
, machine_mode
);
39 extern int num_insns_constant_wide (HOST_WIDE_INT
);
40 extern int small_data_operand (rtx
, machine_mode
);
41 extern bool mem_operand_gpr (rtx
, machine_mode
);
42 extern bool mem_operand_ds_form (rtx
, machine_mode
);
43 extern bool toc_relative_expr_p (const_rtx
, bool, const_rtx
*, const_rtx
*);
44 extern void validate_condition_mode (enum rtx_code
, machine_mode
);
45 extern bool legitimate_constant_pool_address_p (const_rtx
, machine_mode
,
47 extern bool legitimate_indirect_address_p (rtx
, int);
48 extern bool legitimate_indexed_address_p (rtx
, int);
49 extern bool avoiding_indexed_address_p (machine_mode
);
51 extern rtx
rs6000_got_register (rtx
);
52 extern rtx
find_addr_reg (rtx
);
53 extern rtx
gen_easy_altivec_constant (rtx
);
54 extern const char *output_vec_const_move (rtx
*);
55 extern const char *rs6000_output_move_128bit (rtx
*);
56 extern bool rs6000_move_128bit_ok_p (rtx
[]);
57 extern bool rs6000_split_128bit_ok_p (rtx
[]);
58 extern void rs6000_expand_float128_convert (rtx
, rtx
, bool);
59 extern void rs6000_expand_vector_init (rtx
, rtx
);
60 extern void paired_expand_vector_init (rtx
, rtx
);
61 extern void rs6000_expand_vector_set (rtx
, rtx
, int);
62 extern void rs6000_expand_vector_extract (rtx
, rtx
, rtx
);
63 extern void rs6000_split_vec_extract_var (rtx
, rtx
, rtx
, rtx
, rtx
);
64 extern rtx
rs6000_adjust_vec_address (rtx
, rtx
, rtx
, rtx
, machine_mode
);
65 extern void rs6000_split_v4si_init (rtx
[]);
66 extern bool altivec_expand_vec_perm_const (rtx op
[4]);
67 extern void altivec_expand_vec_perm_le (rtx op
[4]);
68 extern bool rs6000_expand_vec_perm_const (rtx op
[4]);
69 extern void altivec_expand_lvx_be (rtx
, rtx
, machine_mode
, unsigned);
70 extern void altivec_expand_stvx_be (rtx
, rtx
, machine_mode
, unsigned);
71 extern void altivec_expand_stvex_be (rtx
, rtx
, machine_mode
, unsigned);
72 extern void rs6000_expand_extract_even (rtx
, rtx
, rtx
);
73 extern void rs6000_expand_interleave (rtx
, rtx
, rtx
, bool);
74 extern void rs6000_scale_v2df (rtx
, rtx
, int);
75 extern void rs6000_generate_float2_code (bool, rtx
, rtx
, rtx
);
76 extern void rs6000_generate_vsigned2_code (bool, rtx
, rtx
, rtx
);
77 extern int expand_block_clear (rtx
[]);
78 extern int expand_block_move (rtx
[]);
79 extern bool expand_block_compare (rtx
[]);
80 extern bool expand_strn_compare (rtx
[], int);
81 extern const char * rs6000_output_load_multiple (rtx
[]);
82 extern bool rs6000_is_valid_mask (rtx
, int *, int *, machine_mode
);
83 extern bool rs6000_is_valid_and_mask (rtx
, machine_mode
);
84 extern bool rs6000_is_valid_shift_mask (rtx
, rtx
, machine_mode
);
85 extern bool rs6000_is_valid_insert_mask (rtx
, rtx
, machine_mode
);
86 extern const char *rs6000_insn_for_and_mask (machine_mode
, rtx
*, bool);
87 extern const char *rs6000_insn_for_shift_mask (machine_mode
, rtx
*, bool);
88 extern const char *rs6000_insn_for_insert_mask (machine_mode
, rtx
*, bool);
89 extern bool rs6000_is_valid_2insn_and (rtx
, machine_mode
);
90 extern void rs6000_emit_2insn_and (machine_mode
, rtx
*, bool, int);
91 extern int registers_ok_for_quad_peep (rtx
, rtx
);
92 extern int mems_ok_for_quad_peep (rtx
, rtx
);
93 extern bool gpr_or_gpr_p (rtx
, rtx
);
94 extern bool direct_move_p (rtx
, rtx
);
95 extern bool quad_address_p (rtx
, machine_mode
, bool);
96 extern bool quad_load_store_p (rtx
, rtx
);
97 extern bool fusion_gpr_load_p (rtx
, rtx
, rtx
, rtx
);
98 extern void expand_fusion_gpr_load (rtx
*);
99 extern void emit_fusion_addis (rtx
, rtx
, const char *, const char *);
100 extern void emit_fusion_load_store (rtx
, rtx
, rtx
, const char *);
101 extern const char *emit_fusion_gpr_load (rtx
, rtx
);
102 extern bool fusion_p9_p (rtx
, rtx
, rtx
, rtx
);
103 extern void expand_fusion_p9_load (rtx
*);
104 extern void expand_fusion_p9_store (rtx
*);
105 extern const char *emit_fusion_p9_load (rtx
, rtx
, rtx
);
106 extern const char *emit_fusion_p9_store (rtx
, rtx
, rtx
);
107 extern rtx
fusion_wrap_memory_address (rtx
);
108 extern enum reg_class (*rs6000_preferred_reload_class_ptr
) (rtx
,
110 extern enum reg_class (*rs6000_secondary_reload_class_ptr
) (enum reg_class
,
113 extern bool (*rs6000_secondary_memory_needed_ptr
) (enum reg_class
,
116 extern bool (*rs6000_cannot_change_mode_class_ptr
) (machine_mode
,
119 extern void rs6000_secondary_reload_inner (rtx
, rtx
, rtx
, bool);
120 extern void rs6000_secondary_reload_gpr (rtx
, rtx
, rtx
, bool);
121 extern int paired_emit_vector_cond_expr (rtx
, rtx
, rtx
,
123 extern void paired_expand_vector_move (rtx operands
[]);
126 extern int ccr_bit (rtx
, int);
127 extern void rs6000_output_function_entry (FILE *, const char *);
128 extern void print_operand (FILE *, rtx
, int);
129 extern void print_operand_address (FILE *, rtx
);
130 extern enum rtx_code
rs6000_reverse_condition (machine_mode
,
132 extern rtx
rs6000_emit_eqne (machine_mode
, rtx
, rtx
, rtx
);
133 extern void rs6000_emit_sISEL (machine_mode
, rtx
[]);
134 extern void rs6000_emit_sCOND (machine_mode
, rtx
[]);
135 extern void rs6000_emit_cbranch (machine_mode
, rtx
[]);
136 extern char * output_cbranch (rtx
, const char *, int, rtx_insn
*);
137 extern const char * output_probe_stack_range (rtx
, rtx
);
138 extern void rs6000_emit_dot_insn (rtx dst
, rtx src
, int dot
, rtx ccreg
);
139 extern bool rs6000_emit_set_const (rtx
, rtx
);
140 extern int rs6000_emit_cmove (rtx
, rtx
, rtx
, rtx
);
141 extern int rs6000_emit_vector_cond_expr (rtx
, rtx
, rtx
, rtx
, rtx
, rtx
);
142 extern void rs6000_emit_minmax (rtx
, enum rtx_code
, rtx
, rtx
);
143 extern void rs6000_split_signbit (rtx
, rtx
);
144 extern void rs6000_expand_atomic_compare_and_swap (rtx op
[]);
145 extern void rs6000_expand_atomic_exchange (rtx op
[]);
146 extern void rs6000_expand_atomic_op (enum rtx_code
, rtx
, rtx
, rtx
, rtx
, rtx
);
147 extern void rs6000_emit_swdiv (rtx
, rtx
, rtx
, bool);
148 extern void rs6000_emit_swsqrt (rtx
, rtx
, bool);
149 extern void output_toc (FILE *, rtx
, int, machine_mode
);
150 extern rtx
rs6000_longcall_ref (rtx
);
151 extern void rs6000_fatal_bad_address (rtx
);
152 extern rtx
create_TOC_reference (rtx
, rtx
);
153 extern void rs6000_split_multireg_move (rtx
, rtx
);
154 extern void rs6000_emit_le_vsx_permute (rtx
, rtx
, machine_mode
);
155 extern void rs6000_emit_le_vsx_move (rtx
, rtx
, machine_mode
);
156 extern bool valid_sf_si_move (rtx
, rtx
, machine_mode
);
157 extern void rs6000_emit_move (rtx
, rtx
, machine_mode
);
158 extern machine_mode
rs6000_secondary_memory_needed_mode (machine_mode
);
159 extern rtx (*rs6000_legitimize_reload_address_ptr
) (rtx
, machine_mode
,
160 int, int, int, int *);
161 extern bool rs6000_legitimate_offset_address_p (machine_mode
, rtx
,
163 extern rtx
rs6000_find_base_term (rtx
);
164 extern rtx
rs6000_return_addr (int, rtx
);
165 extern void rs6000_output_symbol_ref (FILE*, rtx
);
166 extern HOST_WIDE_INT
rs6000_initial_elimination_offset (int, int);
167 extern void rs6000_emit_popcount (rtx
, rtx
);
168 extern void rs6000_emit_parity (rtx
, rtx
);
170 extern rtx
rs6000_machopic_legitimize_pic_address (rtx
, machine_mode
,
172 extern rtx
rs6000_address_for_fpconvert (rtx
);
173 extern rtx
rs6000_address_for_altivec (rtx
);
174 extern rtx
rs6000_allocate_stack_temp (machine_mode
, bool, bool);
175 extern int rs6000_loop_align (rtx
);
176 extern void rs6000_split_logical (rtx
[], enum rtx_code
, bool, bool, bool);
177 #endif /* RTX_CODE */
180 extern unsigned int rs6000_data_alignment (tree
, unsigned int, enum data_align
);
181 extern bool rs6000_special_adjust_field_align_p (tree
, unsigned int);
182 extern unsigned int rs6000_special_round_type_align (tree
, unsigned int,
184 extern unsigned int darwin_rs6000_special_round_type_align (tree
, unsigned int,
186 extern tree
altivec_resolve_overloaded_builtin (location_t
, tree
, void *);
187 extern rtx
rs6000_libcall_value (machine_mode
);
188 extern rtx
rs6000_va_arg (tree
, tree
);
189 extern int function_ok_for_sibcall (tree
);
190 extern int rs6000_reg_parm_stack_space (tree
, bool);
191 extern void rs6000_asm_weaken_decl (FILE *, tree
, const char *, const char *);
192 extern void rs6000_xcoff_declare_function_name (FILE *, const char *, tree
);
193 extern void rs6000_xcoff_declare_object_name (FILE *, const char *, tree
);
194 extern void rs6000_xcoff_asm_output_aligned_decl_common (FILE *, tree
,
196 unsigned HOST_WIDE_INT
,
197 unsigned HOST_WIDE_INT
);
198 extern void rs6000_elf_declare_function_name (FILE *, const char *, tree
);
199 extern bool rs6000_elf_in_small_data_p (const_tree
);
201 /* expr.h defines ARGS_SIZE_RTX and `enum direction' */
202 extern enum direction
function_arg_padding (machine_mode
, const_tree
);
203 #endif /* ARGS_SIZE_RTX */
205 #endif /* TREE_CODE */
207 extern int direct_return (void);
208 extern int first_reg_to_save (void);
209 extern int first_fp_reg_to_save (void);
210 extern void output_ascii (FILE *, const char *, int);
211 extern void rs6000_gen_section_name (char **, const char *, const char *);
212 extern void output_function_profiler (FILE *, int);
213 extern void output_profile_hook (int);
214 extern int rs6000_trampoline_size (void);
215 extern alias_set_type
get_TOC_alias_set (void);
216 extern void rs6000_emit_prologue (void);
217 extern void rs6000_emit_load_toc_table (int);
218 extern unsigned int rs6000_dbx_register_number (unsigned int, unsigned int);
219 extern void rs6000_emit_epilogue (int);
220 extern void rs6000_expand_split_stack_prologue (void);
221 extern void rs6000_split_stack_space_check (rtx
, rtx
);
222 extern void rs6000_emit_eh_reg_restore (rtx
, rtx
);
223 extern const char * output_isel (rtx
*);
224 extern void rs6000_call_aix (rtx
, rtx
, rtx
, rtx
);
225 extern void rs6000_sibcall_aix (rtx
, rtx
, rtx
, rtx
);
226 extern void rs6000_aix_asm_output_dwarf_table_ref (char *);
227 extern void get_ppc476_thunk_name (char name
[32]);
228 extern bool rs6000_overloaded_builtin_p (enum rs6000_builtins
);
229 extern const char *rs6000_overloaded_builtin_name (enum rs6000_builtins
);
230 extern int rs6000_store_data_bypass_p (rtx_insn
*, rtx_insn
*);
231 extern HOST_WIDE_INT
rs6000_builtin_mask_calculate (void);
232 extern void rs6000_asm_output_dwarf_pcrel (FILE *file
, int size
,
234 extern void rs6000_asm_output_dwarf_datarel (FILE *file
, int size
,
237 /* Declare functions in rs6000-c.c */
239 extern void rs6000_pragma_longcall (struct cpp_reader
*);
240 extern void rs6000_cpu_cpp_builtins (struct cpp_reader
*);
242 extern bool rs6000_pragma_target_parse (tree
, tree
);
244 extern void rs6000_target_modify_macros (bool, HOST_WIDE_INT
, HOST_WIDE_INT
);
245 extern void (*rs6000_target_modify_macros_ptr
) (bool, HOST_WIDE_INT
,
249 char *output_call (rtx_insn
*, rtx
*, int, int);
252 #ifdef NO_DOLLAR_IN_LABEL
253 const char * rs6000_xcoff_strip_dollar (const char *);
256 void rs6000_final_prescan_insn (rtx_insn
*, rtx
*operand
, int num_operands
);
258 extern unsigned char rs6000_class_max_nregs
[][LIM_REG_CLASSES
];
259 extern unsigned char rs6000_hard_regno_nregs
[][FIRST_PSEUDO_REGISTER
];
261 extern bool rs6000_linux_float_exceptions_rounding_supported_p (void);
263 /* Pass management. */
264 namespace gcc
{ class context
; }
267 extern rtl_opt_pass
*make_pass_analyze_swaps (gcc::context
*);
269 #endif /* rs6000-protos.h */