Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/mips/mips-protos.h @ 0:a06113de4d67
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author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
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date | Fri, 17 Jul 2009 14:47:48 +0900 |
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children | 77e2b8dfacca |
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1 /* Prototypes of target machine for GNU compiler. MIPS version. | |
2 Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, | |
3 1999, 2001, 2002, 2003, 2004, 2005, 2007, 2008 | |
4 Free Software Foundation, Inc. | |
5 Contributed by A. Lichnewsky (lich@inria.inria.fr). | |
6 Changed by Michael Meissner (meissner@osf.org). | |
7 64-bit r4000 support by Ian Lance Taylor (ian@cygnus.com) and | |
8 Brendan Eich (brendan@microunity.com). | |
9 | |
10 This file is part of GCC. | |
11 | |
12 GCC is free software; you can redistribute it and/or modify | |
13 it under the terms of the GNU General Public License as published by | |
14 the Free Software Foundation; either version 3, or (at your option) | |
15 any later version. | |
16 | |
17 GCC is distributed in the hope that it will be useful, | |
18 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 GNU General Public License for more details. | |
21 | |
22 You should have received a copy of the GNU General Public License | |
23 along with GCC; see the file COPYING3. If not see | |
24 <http://www.gnu.org/licenses/>. */ | |
25 | |
26 #ifndef GCC_MIPS_PROTOS_H | |
27 #define GCC_MIPS_PROTOS_H | |
28 | |
29 /* Describes how a symbol is used. | |
30 | |
31 SYMBOL_CONTEXT_CALL | |
32 The symbol is used as the target of a call instruction. | |
33 | |
34 SYMBOL_CONTEXT_LEA | |
35 The symbol is used in a load-address operation. | |
36 | |
37 SYMBOL_CONTEXT_MEM | |
38 The symbol is used as the address in a MEM. */ | |
39 enum mips_symbol_context { | |
40 SYMBOL_CONTEXT_CALL, | |
41 SYMBOL_CONTEXT_LEA, | |
42 SYMBOL_CONTEXT_MEM | |
43 }; | |
44 | |
45 /* Classifies a SYMBOL_REF, LABEL_REF or UNSPEC address. | |
46 | |
47 SYMBOL_ABSOLUTE | |
48 The symbol's value will be calculated using absolute relocations, | |
49 such as %hi and %lo. | |
50 | |
51 SYMBOL_GP_RELATIVE | |
52 The symbol's value will be calculated by adding a 16-bit offset | |
53 from $gp. | |
54 | |
55 SYMBOL_PC_RELATIVE | |
56 The symbol's value will be calculated using a MIPS16 PC-relative | |
57 calculation. | |
58 | |
59 SYMBOL_FORCE_TO_MEM | |
60 The symbol's value must be forced to memory and loaded from there. | |
61 | |
62 SYMBOL_GOT_PAGE_OFST | |
63 The symbol's value will be calculated by loading an address | |
64 from the GOT and then applying a 16-bit offset. | |
65 | |
66 SYMBOL_GOT_DISP | |
67 The symbol's value will be loaded directly from the GOT. | |
68 | |
69 SYMBOL_GOTOFF_PAGE | |
70 An UNSPEC wrapper around a SYMBOL_GOT_PAGE_OFST. It represents the | |
71 offset from _gp of the GOT entry. | |
72 | |
73 SYMBOL_GOTOFF_DISP | |
74 An UNSPEC wrapper around a SYMBOL_GOT_DISP. It represents the | |
75 the offset from _gp of the symbol's GOT entry. | |
76 | |
77 SYMBOL_GOTOFF_CALL | |
78 Like SYMBOL_GOTOFF_DISP, but used when calling a global function. | |
79 The GOT entry is allowed to point to a stub rather than to the | |
80 function itself. | |
81 | |
82 SYMBOL_GOTOFF_LOADGP | |
83 An UNSPEC wrapper around a function's address. It represents the | |
84 offset of _gp from the start of the function. | |
85 | |
86 SYMBOL_TLS | |
87 A thread-local symbol. | |
88 | |
89 SYMBOL_TLSGD | |
90 SYMBOL_TLSLDM | |
91 SYMBOL_DTPREL | |
92 SYMBOL_GOTTPREL | |
93 SYMBOL_TPREL | |
94 UNSPEC wrappers around SYMBOL_TLS, corresponding to the | |
95 thread-local storage relocation operators. | |
96 | |
97 SYMBOL_32_HIGH | |
98 For a 32-bit symbolic address X, this is the value of %hi(X). | |
99 | |
100 SYMBOL_64_HIGH | |
101 For a 64-bit symbolic address X, this is the value of | |
102 (%highest(X) << 16) + %higher(X). | |
103 | |
104 SYMBOL_64_MID | |
105 For a 64-bit symbolic address X, this is the value of | |
106 (%higher(X) << 16) + %hi(X). | |
107 | |
108 SYMBOL_64_LOW | |
109 For a 64-bit symbolic address X, this is the value of | |
110 (%hi(X) << 16) + %lo(X). | |
111 | |
112 SYMBOL_HALF | |
113 An UNSPEC wrapper around any kind of address. It represents the | |
114 low 16 bits of that address. */ | |
115 enum mips_symbol_type { | |
116 SYMBOL_ABSOLUTE, | |
117 SYMBOL_GP_RELATIVE, | |
118 SYMBOL_PC_RELATIVE, | |
119 SYMBOL_FORCE_TO_MEM, | |
120 SYMBOL_GOT_PAGE_OFST, | |
121 SYMBOL_GOT_DISP, | |
122 SYMBOL_GOTOFF_PAGE, | |
123 SYMBOL_GOTOFF_DISP, | |
124 SYMBOL_GOTOFF_CALL, | |
125 SYMBOL_GOTOFF_LOADGP, | |
126 SYMBOL_TLS, | |
127 SYMBOL_TLSGD, | |
128 SYMBOL_TLSLDM, | |
129 SYMBOL_DTPREL, | |
130 SYMBOL_GOTTPREL, | |
131 SYMBOL_TPREL, | |
132 SYMBOL_32_HIGH, | |
133 SYMBOL_64_HIGH, | |
134 SYMBOL_64_MID, | |
135 SYMBOL_64_LOW, | |
136 SYMBOL_HALF | |
137 }; | |
138 #define NUM_SYMBOL_TYPES (SYMBOL_HALF + 1) | |
139 | |
140 /* Identifiers a style of $gp initialization sequence. | |
141 | |
142 LOADGP_NONE | |
143 No initialization sequence is needed. | |
144 | |
145 LOADGP_OLDABI | |
146 The o32 and o64 PIC sequence (the kind traditionally generated | |
147 by .cpload). | |
148 | |
149 LOADGP_NEWABI | |
150 The n32 and n64 PIC sequence (the kind traditionally generated | |
151 by .cpsetup). | |
152 | |
153 LOADGP_ABSOLUTE | |
154 The GNU absolute sequence, as generated by loadgp_absolute. | |
155 | |
156 LOADGP_RTP | |
157 The VxWorks RTP PIC sequence, as generated by loadgp_rtp. */ | |
158 enum mips_loadgp_style { | |
159 LOADGP_NONE, | |
160 LOADGP_OLDABI, | |
161 LOADGP_NEWABI, | |
162 LOADGP_ABSOLUTE, | |
163 LOADGP_RTP | |
164 }; | |
165 | |
166 struct mips16e_save_restore_info; | |
167 | |
168 /* Classifies a type of call. | |
169 | |
170 MIPS_CALL_NORMAL | |
171 A normal call or call_value pattern. | |
172 | |
173 MIPS_CALL_SIBCALL | |
174 A sibcall or sibcall_value pattern. | |
175 | |
176 MIPS_CALL_EPILOGUE | |
177 A call inserted in the epilogue. */ | |
178 enum mips_call_type { | |
179 MIPS_CALL_NORMAL, | |
180 MIPS_CALL_SIBCALL, | |
181 MIPS_CALL_EPILOGUE | |
182 }; | |
183 | |
184 extern bool mips_symbolic_constant_p (rtx, enum mips_symbol_context, | |
185 enum mips_symbol_type *); | |
186 extern int mips_regno_mode_ok_for_base_p (int, enum machine_mode, bool); | |
187 extern bool mips_legitimate_address_p (enum machine_mode, rtx, bool); | |
188 extern bool mips_stack_address_p (rtx, enum machine_mode); | |
189 extern int mips_address_insns (rtx, enum machine_mode, bool); | |
190 extern int mips_const_insns (rtx); | |
191 extern int mips_split_const_insns (rtx); | |
192 extern int mips_load_store_insns (rtx, rtx); | |
193 extern int mips_idiv_insns (void); | |
194 extern rtx mips_emit_move (rtx, rtx); | |
195 extern rtx mips_pic_base_register (rtx); | |
196 extern rtx mips_got_load (rtx, rtx, enum mips_symbol_type); | |
197 extern bool mips_split_symbol (rtx, rtx, enum machine_mode, rtx *); | |
198 extern rtx mips_unspec_address (rtx, enum mips_symbol_type); | |
199 extern bool mips_legitimize_address (rtx *, enum machine_mode); | |
200 extern void mips_move_integer (rtx, rtx, unsigned HOST_WIDE_INT); | |
201 extern bool mips_legitimize_move (enum machine_mode, rtx, rtx); | |
202 | |
203 extern int m16_uimm3_b (rtx, enum machine_mode); | |
204 extern int m16_simm4_1 (rtx, enum machine_mode); | |
205 extern int m16_nsimm4_1 (rtx, enum machine_mode); | |
206 extern int m16_simm5_1 (rtx, enum machine_mode); | |
207 extern int m16_nsimm5_1 (rtx, enum machine_mode); | |
208 extern int m16_uimm5_4 (rtx, enum machine_mode); | |
209 extern int m16_nuimm5_4 (rtx, enum machine_mode); | |
210 extern int m16_simm8_1 (rtx, enum machine_mode); | |
211 extern int m16_nsimm8_1 (rtx, enum machine_mode); | |
212 extern int m16_uimm8_1 (rtx, enum machine_mode); | |
213 extern int m16_nuimm8_1 (rtx, enum machine_mode); | |
214 extern int m16_uimm8_m1_1 (rtx, enum machine_mode); | |
215 extern int m16_uimm8_4 (rtx, enum machine_mode); | |
216 extern int m16_nuimm8_4 (rtx, enum machine_mode); | |
217 extern int m16_simm8_8 (rtx, enum machine_mode); | |
218 extern int m16_nsimm8_8 (rtx, enum machine_mode); | |
219 | |
220 extern rtx mips_subword (rtx, bool); | |
221 extern bool mips_split_64bit_move_p (rtx, rtx); | |
222 extern void mips_split_doubleword_move (rtx, rtx); | |
223 extern const char *mips_output_move (rtx, rtx); | |
224 extern void mips_restore_gp (rtx); | |
225 #ifdef RTX_CODE | |
226 extern bool mips_expand_scc (enum rtx_code, rtx); | |
227 extern void mips_expand_conditional_branch (rtx *, enum rtx_code); | |
228 extern void mips_expand_vcondv2sf (rtx, rtx, rtx, enum rtx_code, rtx, rtx); | |
229 extern void mips_expand_conditional_move (rtx *); | |
230 extern void mips_expand_conditional_trap (enum rtx_code); | |
231 #endif | |
232 extern bool mips_use_pic_fn_addr_reg_p (const_rtx); | |
233 extern rtx mips_expand_call (enum mips_call_type, rtx, rtx, rtx, rtx, bool); | |
234 extern void mips_split_call (rtx, rtx); | |
235 extern void mips_expand_fcc_reload (rtx, rtx, rtx); | |
236 extern void mips_set_return_address (rtx, rtx); | |
237 extern bool mips_expand_block_move (rtx, rtx, rtx); | |
238 extern void mips_expand_synci_loop (rtx, rtx); | |
239 | |
240 extern void mips_init_cumulative_args (CUMULATIVE_ARGS *, tree); | |
241 extern void mips_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, | |
242 tree, int); | |
243 extern rtx mips_function_arg (const CUMULATIVE_ARGS *, | |
244 enum machine_mode, tree, int); | |
245 extern int mips_function_arg_boundary (enum machine_mode, tree); | |
246 extern bool mips_pad_arg_upward (enum machine_mode, const_tree); | |
247 extern bool mips_pad_reg_upward (enum machine_mode, tree); | |
248 | |
249 extern bool mips_expand_ext_as_unaligned_load (rtx, rtx, HOST_WIDE_INT, | |
250 HOST_WIDE_INT); | |
251 extern bool mips_expand_ins_as_unaligned_store (rtx, rtx, HOST_WIDE_INT, | |
252 HOST_WIDE_INT); | |
253 extern bool mips_mem_fits_mode_p (enum machine_mode mode, rtx x); | |
254 extern void mips_override_options (void); | |
255 extern void mips_conditional_register_usage (void); | |
256 extern void mips_order_regs_for_local_alloc (void); | |
257 extern HOST_WIDE_INT mips_debugger_offset (rtx, HOST_WIDE_INT); | |
258 | |
259 extern void mips_print_operand (FILE *, rtx, int); | |
260 extern void mips_print_operand_address (FILE *, rtx); | |
261 extern void mips_output_external (FILE *, tree, const char *); | |
262 extern void mips_output_filename (FILE *, const char *); | |
263 extern void mips_output_ascii (FILE *, const char *, size_t); | |
264 extern void mips_output_aligned_decl_common (FILE *, tree, const char *, | |
265 unsigned HOST_WIDE_INT, | |
266 unsigned int); | |
267 extern void mips_declare_common_object (FILE *, const char *, | |
268 const char *, unsigned HOST_WIDE_INT, | |
269 unsigned int, bool); | |
270 extern void mips_declare_object (FILE *, const char *, const char *, | |
271 const char *, ...) ATTRIBUTE_PRINTF_4; | |
272 extern void mips_declare_object_name (FILE *, const char *, tree); | |
273 extern void mips_finish_declare_object (FILE *, tree, int, int); | |
274 | |
275 extern bool mips_small_data_pattern_p (rtx); | |
276 extern rtx mips_rewrite_small_data (rtx); | |
277 extern bool mips_frame_pointer_required (void); | |
278 extern HOST_WIDE_INT mips_initial_elimination_offset (int, int); | |
279 extern rtx mips_return_addr (int, rtx); | |
280 extern enum mips_loadgp_style mips_current_loadgp_style (void); | |
281 extern void mips_expand_prologue (void); | |
282 extern void mips_expand_before_return (void); | |
283 extern void mips_expand_epilogue (bool); | |
284 extern bool mips_can_use_return_insn (void); | |
285 extern rtx mips_function_value (const_tree, enum machine_mode); | |
286 | |
287 extern bool mips_cannot_change_mode_class (enum machine_mode, | |
288 enum machine_mode, enum reg_class); | |
289 extern bool mips_dangerous_for_la25_p (rtx); | |
290 extern bool mips_modes_tieable_p (enum machine_mode, enum machine_mode); | |
291 extern enum reg_class mips_preferred_reload_class (rtx, enum reg_class); | |
292 extern enum reg_class mips_secondary_reload_class (enum reg_class, | |
293 enum machine_mode, | |
294 rtx, bool); | |
295 extern int mips_class_max_nregs (enum reg_class, enum machine_mode); | |
296 extern int mips_register_move_cost (enum machine_mode, enum reg_class, | |
297 enum reg_class); | |
298 | |
299 extern int mips_adjust_insn_length (rtx, int); | |
300 extern const char *mips_output_load_label (void); | |
301 extern const char *mips_output_conditional_branch (rtx, rtx *, const char *, | |
302 const char *); | |
303 extern const char *mips_output_order_conditional_branch (rtx, rtx *, bool); | |
304 extern const char *mips_output_sync_loop (const char *); | |
305 extern const char *mips_output_division (const char *, rtx *); | |
306 extern unsigned int mips_hard_regno_nregs (int, enum machine_mode); | |
307 extern bool mips_linked_madd_p (rtx, rtx); | |
308 extern bool mips_store_data_bypass_p (rtx, rtx); | |
309 extern rtx mips_prefetch_cookie (rtx, rtx); | |
310 | |
311 extern void irix_asm_output_align (FILE *, unsigned); | |
312 extern const char *current_section_name (void); | |
313 extern unsigned int current_section_flags (void); | |
314 extern bool mips_use_ins_ext_p (rtx, HOST_WIDE_INT, HOST_WIDE_INT); | |
315 | |
316 extern const char *mips16e_output_save_restore (rtx, HOST_WIDE_INT); | |
317 extern bool mips16e_save_restore_pattern_p (rtx, HOST_WIDE_INT, | |
318 struct mips16e_save_restore_info *); | |
319 | |
320 extern bool mask_low_and_shift_p (enum machine_mode, rtx, rtx, int); | |
321 extern int mask_low_and_shift_len (enum machine_mode, rtx, rtx); | |
322 | |
323 union mips_gen_fn_ptrs | |
324 { | |
325 rtx (*fn_6) (rtx, rtx, rtx, rtx, rtx, rtx); | |
326 rtx (*fn_5) (rtx, rtx, rtx, rtx, rtx); | |
327 rtx (*fn_4) (rtx, rtx, rtx, rtx); | |
328 }; | |
329 | |
330 extern void mips_expand_atomic_qihi (union mips_gen_fn_ptrs, | |
331 rtx, rtx, rtx, rtx); | |
332 | |
333 extern void mips_expand_vector_init (rtx, rtx); | |
334 | |
335 #endif /* ! GCC_MIPS_PROTOS_H */ |