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Modify the ARNM assembler to accept the omission of the immediate argument for the...
[deliverable/binutils-gdb.git] / opcodes / aarch64-opc.c
1 /* aarch64-opc.c -- AArch64 opcode support.
2 Copyright (C) 2009-2019 Free Software Foundation, Inc.
3 Contributed by ARM Ltd.
4
5 This file is part of the GNU opcodes library.
6
7 This library is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11
12 It 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.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; see the file COPYING3. If not,
19 see <http://www.gnu.org/licenses/>. */
20
21 #include "sysdep.h"
22 #include <assert.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25 #include "bfd_stdint.h"
26 #include <stdarg.h>
27 #include <inttypes.h>
28
29 #include "opintl.h"
30 #include "libiberty.h"
31
32 #include "aarch64-opc.h"
33
34 #ifdef DEBUG_AARCH64
35 int debug_dump = FALSE;
36 #endif /* DEBUG_AARCH64 */
37
38 /* The enumeration strings associated with each value of a 5-bit SVE
39 pattern operand. A null entry indicates a reserved meaning. */
40 const char *const aarch64_sve_pattern_array[32] = {
41 /* 0-7. */
42 "pow2",
43 "vl1",
44 "vl2",
45 "vl3",
46 "vl4",
47 "vl5",
48 "vl6",
49 "vl7",
50 /* 8-15. */
51 "vl8",
52 "vl16",
53 "vl32",
54 "vl64",
55 "vl128",
56 "vl256",
57 0,
58 0,
59 /* 16-23. */
60 0,
61 0,
62 0,
63 0,
64 0,
65 0,
66 0,
67 0,
68 /* 24-31. */
69 0,
70 0,
71 0,
72 0,
73 0,
74 "mul4",
75 "mul3",
76 "all"
77 };
78
79 /* The enumeration strings associated with each value of a 4-bit SVE
80 prefetch operand. A null entry indicates a reserved meaning. */
81 const char *const aarch64_sve_prfop_array[16] = {
82 /* 0-7. */
83 "pldl1keep",
84 "pldl1strm",
85 "pldl2keep",
86 "pldl2strm",
87 "pldl3keep",
88 "pldl3strm",
89 0,
90 0,
91 /* 8-15. */
92 "pstl1keep",
93 "pstl1strm",
94 "pstl2keep",
95 "pstl2strm",
96 "pstl3keep",
97 "pstl3strm",
98 0,
99 0
100 };
101
102 /* Helper functions to determine which operand to be used to encode/decode
103 the size:Q fields for AdvSIMD instructions. */
104
105 static inline bfd_boolean
106 vector_qualifier_p (enum aarch64_opnd_qualifier qualifier)
107 {
108 return ((qualifier >= AARCH64_OPND_QLF_V_8B
109 && qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE
110 : FALSE);
111 }
112
113 static inline bfd_boolean
114 fp_qualifier_p (enum aarch64_opnd_qualifier qualifier)
115 {
116 return ((qualifier >= AARCH64_OPND_QLF_S_B
117 && qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE
118 : FALSE);
119 }
120
121 enum data_pattern
122 {
123 DP_UNKNOWN,
124 DP_VECTOR_3SAME,
125 DP_VECTOR_LONG,
126 DP_VECTOR_WIDE,
127 DP_VECTOR_ACROSS_LANES,
128 };
129
130 static const char significant_operand_index [] =
131 {
132 0, /* DP_UNKNOWN, by default using operand 0. */
133 0, /* DP_VECTOR_3SAME */
134 1, /* DP_VECTOR_LONG */
135 2, /* DP_VECTOR_WIDE */
136 1, /* DP_VECTOR_ACROSS_LANES */
137 };
138
139 /* Given a sequence of qualifiers in QUALIFIERS, determine and return
140 the data pattern.
141 N.B. QUALIFIERS is a possible sequence of qualifiers each of which
142 corresponds to one of a sequence of operands. */
143
144 static enum data_pattern
145 get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers)
146 {
147 if (vector_qualifier_p (qualifiers[0]) == TRUE)
148 {
149 /* e.g. v.4s, v.4s, v.4s
150 or v.4h, v.4h, v.h[3]. */
151 if (qualifiers[0] == qualifiers[1]
152 && vector_qualifier_p (qualifiers[2]) == TRUE
153 && (aarch64_get_qualifier_esize (qualifiers[0])
154 == aarch64_get_qualifier_esize (qualifiers[1]))
155 && (aarch64_get_qualifier_esize (qualifiers[0])
156 == aarch64_get_qualifier_esize (qualifiers[2])))
157 return DP_VECTOR_3SAME;
158 /* e.g. v.8h, v.8b, v.8b.
159 or v.4s, v.4h, v.h[2].
160 or v.8h, v.16b. */
161 if (vector_qualifier_p (qualifiers[1]) == TRUE
162 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
163 && (aarch64_get_qualifier_esize (qualifiers[0])
164 == aarch64_get_qualifier_esize (qualifiers[1]) << 1))
165 return DP_VECTOR_LONG;
166 /* e.g. v.8h, v.8h, v.8b. */
167 if (qualifiers[0] == qualifiers[1]
168 && vector_qualifier_p (qualifiers[2]) == TRUE
169 && aarch64_get_qualifier_esize (qualifiers[0]) != 0
170 && (aarch64_get_qualifier_esize (qualifiers[0])
171 == aarch64_get_qualifier_esize (qualifiers[2]) << 1)
172 && (aarch64_get_qualifier_esize (qualifiers[0])
173 == aarch64_get_qualifier_esize (qualifiers[1])))
174 return DP_VECTOR_WIDE;
175 }
176 else if (fp_qualifier_p (qualifiers[0]) == TRUE)
177 {
178 /* e.g. SADDLV <V><d>, <Vn>.<T>. */
179 if (vector_qualifier_p (qualifiers[1]) == TRUE
180 && qualifiers[2] == AARCH64_OPND_QLF_NIL)
181 return DP_VECTOR_ACROSS_LANES;
182 }
183
184 return DP_UNKNOWN;
185 }
186
187 /* Select the operand to do the encoding/decoding of the 'size:Q' fields in
188 the AdvSIMD instructions. */
189 /* N.B. it is possible to do some optimization that doesn't call
190 get_data_pattern each time when we need to select an operand. We can
191 either buffer the caculated the result or statically generate the data,
192 however, it is not obvious that the optimization will bring significant
193 benefit. */
194
195 int
196 aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode)
197 {
198 return
199 significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])];
200 }
201 \f
202 const aarch64_field fields[] =
203 {
204 { 0, 0 }, /* NIL. */
205 { 0, 4 }, /* cond2: condition in truly conditional-executed inst. */
206 { 0, 4 }, /* nzcv: flag bit specifier, encoded in the "nzcv" field. */
207 { 5, 5 }, /* defgh: d:e:f:g:h bits in AdvSIMD modified immediate. */
208 { 16, 3 }, /* abc: a:b:c bits in AdvSIMD modified immediate. */
209 { 5, 19 }, /* imm19: e.g. in CBZ. */
210 { 5, 19 }, /* immhi: e.g. in ADRP. */
211 { 29, 2 }, /* immlo: e.g. in ADRP. */
212 { 22, 2 }, /* size: in most AdvSIMD and floating-point instructions. */
213 { 10, 2 }, /* vldst_size: size field in the AdvSIMD load/store inst. */
214 { 29, 1 }, /* op: in AdvSIMD modified immediate instructions. */
215 { 30, 1 }, /* Q: in most AdvSIMD instructions. */
216 { 0, 5 }, /* Rt: in load/store instructions. */
217 { 0, 5 }, /* Rd: in many integer instructions. */
218 { 5, 5 }, /* Rn: in many integer instructions. */
219 { 10, 5 }, /* Rt2: in load/store pair instructions. */
220 { 10, 5 }, /* Ra: in fp instructions. */
221 { 5, 3 }, /* op2: in the system instructions. */
222 { 8, 4 }, /* CRm: in the system instructions. */
223 { 12, 4 }, /* CRn: in the system instructions. */
224 { 16, 3 }, /* op1: in the system instructions. */
225 { 19, 2 }, /* op0: in the system instructions. */
226 { 10, 3 }, /* imm3: in add/sub extended reg instructions. */
227 { 12, 4 }, /* cond: condition flags as a source operand. */
228 { 12, 4 }, /* opcode: in advsimd load/store instructions. */
229 { 12, 4 }, /* cmode: in advsimd modified immediate instructions. */
230 { 13, 3 }, /* asisdlso_opcode: opcode in advsimd ld/st single element. */
231 { 13, 2 }, /* len: in advsimd tbl/tbx instructions. */
232 { 16, 5 }, /* Rm: in ld/st reg offset and some integer inst. */
233 { 16, 5 }, /* Rs: in load/store exclusive instructions. */
234 { 13, 3 }, /* option: in ld/st reg offset + add/sub extended reg inst. */
235 { 12, 1 }, /* S: in load/store reg offset instructions. */
236 { 21, 2 }, /* hw: in move wide constant instructions. */
237 { 22, 2 }, /* opc: in load/store reg offset instructions. */
238 { 23, 1 }, /* opc1: in load/store reg offset instructions. */
239 { 22, 2 }, /* shift: in add/sub reg/imm shifted instructions. */
240 { 22, 2 }, /* type: floating point type field in fp data inst. */
241 { 30, 2 }, /* ldst_size: size field in ld/st reg offset inst. */
242 { 10, 6 }, /* imm6: in add/sub reg shifted instructions. */
243 { 15, 6 }, /* imm6_2: in rmif instructions. */
244 { 11, 4 }, /* imm4: in advsimd ext and advsimd ins instructions. */
245 { 0, 4 }, /* imm4_2: in rmif instructions. */
246 { 10, 4 }, /* imm4_3: in adddg/subg instructions. */
247 { 16, 5 }, /* imm5: in conditional compare (immediate) instructions. */
248 { 15, 7 }, /* imm7: in load/store pair pre/post index instructions. */
249 { 13, 8 }, /* imm8: in floating-point scalar move immediate inst. */
250 { 12, 9 }, /* imm9: in load/store pre/post index instructions. */
251 { 10, 12 }, /* imm12: in ld/st unsigned imm or add/sub shifted inst. */
252 { 5, 14 }, /* imm14: in test bit and branch instructions. */
253 { 5, 16 }, /* imm16: in exception instructions. */
254 { 0, 26 }, /* imm26: in unconditional branch instructions. */
255 { 10, 6 }, /* imms: in bitfield and logical immediate instructions. */
256 { 16, 6 }, /* immr: in bitfield and logical immediate instructions. */
257 { 16, 3 }, /* immb: in advsimd shift by immediate instructions. */
258 { 19, 4 }, /* immh: in advsimd shift by immediate instructions. */
259 { 22, 1 }, /* S: in LDRAA and LDRAB instructions. */
260 { 22, 1 }, /* N: in logical (immediate) instructions. */
261 { 11, 1 }, /* index: in ld/st inst deciding the pre/post-index. */
262 { 24, 1 }, /* index2: in ld/st pair inst deciding the pre/post-index. */
263 { 31, 1 }, /* sf: in integer data processing instructions. */
264 { 30, 1 }, /* lse_size: in LSE extension atomic instructions. */
265 { 11, 1 }, /* H: in advsimd scalar x indexed element instructions. */
266 { 21, 1 }, /* L: in advsimd scalar x indexed element instructions. */
267 { 20, 1 }, /* M: in advsimd scalar x indexed element instructions. */
268 { 31, 1 }, /* b5: in the test bit and branch instructions. */
269 { 19, 5 }, /* b40: in the test bit and branch instructions. */
270 { 10, 6 }, /* scale: in the fixed-point scalar to fp converting inst. */
271 { 4, 1 }, /* SVE_M_4: Merge/zero select, bit 4. */
272 { 14, 1 }, /* SVE_M_14: Merge/zero select, bit 14. */
273 { 16, 1 }, /* SVE_M_16: Merge/zero select, bit 16. */
274 { 17, 1 }, /* SVE_N: SVE equivalent of N. */
275 { 0, 4 }, /* SVE_Pd: p0-p15, bits [3,0]. */
276 { 10, 3 }, /* SVE_Pg3: p0-p7, bits [12,10]. */
277 { 5, 4 }, /* SVE_Pg4_5: p0-p15, bits [8,5]. */
278 { 10, 4 }, /* SVE_Pg4_10: p0-p15, bits [13,10]. */
279 { 16, 4 }, /* SVE_Pg4_16: p0-p15, bits [19,16]. */
280 { 16, 4 }, /* SVE_Pm: p0-p15, bits [19,16]. */
281 { 5, 4 }, /* SVE_Pn: p0-p15, bits [8,5]. */
282 { 0, 4 }, /* SVE_Pt: p0-p15, bits [3,0]. */
283 { 5, 5 }, /* SVE_Rm: SVE alternative position for Rm. */
284 { 16, 5 }, /* SVE_Rn: SVE alternative position for Rn. */
285 { 0, 5 }, /* SVE_Vd: Scalar SIMD&FP register, bits [4,0]. */
286 { 5, 5 }, /* SVE_Vm: Scalar SIMD&FP register, bits [9,5]. */
287 { 5, 5 }, /* SVE_Vn: Scalar SIMD&FP register, bits [9,5]. */
288 { 5, 5 }, /* SVE_Za_5: SVE vector register, bits [9,5]. */
289 { 16, 5 }, /* SVE_Za_16: SVE vector register, bits [20,16]. */
290 { 0, 5 }, /* SVE_Zd: SVE vector register. bits [4,0]. */
291 { 5, 5 }, /* SVE_Zm_5: SVE vector register, bits [9,5]. */
292 { 16, 5 }, /* SVE_Zm_16: SVE vector register, bits [20,16]. */
293 { 5, 5 }, /* SVE_Zn: SVE vector register, bits [9,5]. */
294 { 0, 5 }, /* SVE_Zt: SVE vector register, bits [4,0]. */
295 { 5, 1 }, /* SVE_i1: single-bit immediate. */
296 { 22, 1 }, /* SVE_i3h: high bit of 3-bit immediate. */
297 { 11, 1 }, /* SVE_i3l: low bit of 3-bit immediate. */
298 { 19, 2 }, /* SVE_i3h2: two high bits of 3bit immediate, bits [20,19]. */
299 { 20, 1 }, /* SVE_i2h: high bit of 2bit immediate, bits. */
300 { 16, 3 }, /* SVE_imm3: 3-bit immediate field. */
301 { 16, 4 }, /* SVE_imm4: 4-bit immediate field. */
302 { 5, 5 }, /* SVE_imm5: 5-bit immediate field. */
303 { 16, 5 }, /* SVE_imm5b: secondary 5-bit immediate field. */
304 { 16, 6 }, /* SVE_imm6: 6-bit immediate field. */
305 { 14, 7 }, /* SVE_imm7: 7-bit immediate field. */
306 { 5, 8 }, /* SVE_imm8: 8-bit immediate field. */
307 { 5, 9 }, /* SVE_imm9: 9-bit immediate field. */
308 { 11, 6 }, /* SVE_immr: SVE equivalent of immr. */
309 { 5, 6 }, /* SVE_imms: SVE equivalent of imms. */
310 { 10, 2 }, /* SVE_msz: 2-bit shift amount for ADR. */
311 { 5, 5 }, /* SVE_pattern: vector pattern enumeration. */
312 { 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */
313 { 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */
314 { 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */
315 { 10, 1 }, /* SVE_rot3: 1-bit rotation amount at bit 10. */
316 { 22, 1 }, /* SVE_sz: 1-bit element size select. */
317 { 17, 2 }, /* SVE_size: 2-bit element size, bits [18,17]. */
318 { 30, 1 }, /* SVE_sz2: 1-bit element size select. */
319 { 16, 4 }, /* SVE_tsz: triangular size select. */
320 { 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */
321 { 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */
322 { 19, 2 }, /* SVE_tszl_19: triangular size select low, bits [20,19]. */
323 { 14, 1 }, /* SVE_xs_14: UXTW/SXTW select (bit 14). */
324 { 22, 1 }, /* SVE_xs_22: UXTW/SXTW select (bit 22). */
325 { 11, 2 }, /* rotate1: FCMLA immediate rotate. */
326 { 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */
327 { 12, 1 }, /* rotate3: FCADD immediate rotate. */
328 { 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */
329 { 22, 1 }, /* sz: 1-bit element size select. */
330 };
331
332 enum aarch64_operand_class
333 aarch64_get_operand_class (enum aarch64_opnd type)
334 {
335 return aarch64_operands[type].op_class;
336 }
337
338 const char *
339 aarch64_get_operand_name (enum aarch64_opnd type)
340 {
341 return aarch64_operands[type].name;
342 }
343
344 /* Get operand description string.
345 This is usually for the diagnosis purpose. */
346 const char *
347 aarch64_get_operand_desc (enum aarch64_opnd type)
348 {
349 return aarch64_operands[type].desc;
350 }
351
352 /* Table of all conditional affixes. */
353 const aarch64_cond aarch64_conds[16] =
354 {
355 {{"eq", "none"}, 0x0},
356 {{"ne", "any"}, 0x1},
357 {{"cs", "hs", "nlast"}, 0x2},
358 {{"cc", "lo", "ul", "last"}, 0x3},
359 {{"mi", "first"}, 0x4},
360 {{"pl", "nfrst"}, 0x5},
361 {{"vs"}, 0x6},
362 {{"vc"}, 0x7},
363 {{"hi", "pmore"}, 0x8},
364 {{"ls", "plast"}, 0x9},
365 {{"ge", "tcont"}, 0xa},
366 {{"lt", "tstop"}, 0xb},
367 {{"gt"}, 0xc},
368 {{"le"}, 0xd},
369 {{"al"}, 0xe},
370 {{"nv"}, 0xf},
371 };
372
373 const aarch64_cond *
374 get_cond_from_value (aarch64_insn value)
375 {
376 assert (value < 16);
377 return &aarch64_conds[(unsigned int) value];
378 }
379
380 const aarch64_cond *
381 get_inverted_cond (const aarch64_cond *cond)
382 {
383 return &aarch64_conds[cond->value ^ 0x1];
384 }
385
386 /* Table describing the operand extension/shifting operators; indexed by
387 enum aarch64_modifier_kind.
388
389 The value column provides the most common values for encoding modifiers,
390 which enables table-driven encoding/decoding for the modifiers. */
391 const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
392 {
393 {"none", 0x0},
394 {"msl", 0x0},
395 {"ror", 0x3},
396 {"asr", 0x2},
397 {"lsr", 0x1},
398 {"lsl", 0x0},
399 {"uxtb", 0x0},
400 {"uxth", 0x1},
401 {"uxtw", 0x2},
402 {"uxtx", 0x3},
403 {"sxtb", 0x4},
404 {"sxth", 0x5},
405 {"sxtw", 0x6},
406 {"sxtx", 0x7},
407 {"mul", 0x0},
408 {"mul vl", 0x0},
409 {NULL, 0},
410 };
411
412 enum aarch64_modifier_kind
413 aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
414 {
415 return desc - aarch64_operand_modifiers;
416 }
417
418 aarch64_insn
419 aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
420 {
421 return aarch64_operand_modifiers[kind].value;
422 }
423
424 enum aarch64_modifier_kind
425 aarch64_get_operand_modifier_from_value (aarch64_insn value,
426 bfd_boolean extend_p)
427 {
428 if (extend_p == TRUE)
429 return AARCH64_MOD_UXTB + value;
430 else
431 return AARCH64_MOD_LSL - value;
432 }
433
434 bfd_boolean
435 aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
436 {
437 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
438 ? TRUE : FALSE;
439 }
440
441 static inline bfd_boolean
442 aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
443 {
444 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
445 ? TRUE : FALSE;
446 }
447
448 const struct aarch64_name_value_pair aarch64_barrier_options[16] =
449 {
450 { "#0x00", 0x0 },
451 { "oshld", 0x1 },
452 { "oshst", 0x2 },
453 { "osh", 0x3 },
454 { "#0x04", 0x4 },
455 { "nshld", 0x5 },
456 { "nshst", 0x6 },
457 { "nsh", 0x7 },
458 { "#0x08", 0x8 },
459 { "ishld", 0x9 },
460 { "ishst", 0xa },
461 { "ish", 0xb },
462 { "#0x0c", 0xc },
463 { "ld", 0xd },
464 { "st", 0xe },
465 { "sy", 0xf },
466 };
467
468 /* Table describing the operands supported by the aliases of the HINT
469 instruction.
470
471 The name column is the operand that is accepted for the alias. The value
472 column is the hint number of the alias. The list of operands is terminated
473 by NULL in the name column. */
474
475 const struct aarch64_name_value_pair aarch64_hint_options[] =
476 {
477 /* BTI. This is also the F_DEFAULT entry for AARCH64_OPND_BTI_TARGET. */
478 { " ", HINT_ENCODE (HINT_OPD_F_NOPRINT, 0x20) },
479 { "csync", HINT_OPD_CSYNC }, /* PSB CSYNC. */
480 { "c", HINT_OPD_C }, /* BTI C. */
481 { "j", HINT_OPD_J }, /* BTI J. */
482 { "jc", HINT_OPD_JC }, /* BTI JC. */
483 { NULL, HINT_OPD_NULL },
484 };
485
486 /* op -> op: load = 0 instruction = 1 store = 2
487 l -> level: 1-3
488 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
489 #define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
490 const struct aarch64_name_value_pair aarch64_prfops[32] =
491 {
492 { "pldl1keep", B(0, 1, 0) },
493 { "pldl1strm", B(0, 1, 1) },
494 { "pldl2keep", B(0, 2, 0) },
495 { "pldl2strm", B(0, 2, 1) },
496 { "pldl3keep", B(0, 3, 0) },
497 { "pldl3strm", B(0, 3, 1) },
498 { NULL, 0x06 },
499 { NULL, 0x07 },
500 { "plil1keep", B(1, 1, 0) },
501 { "plil1strm", B(1, 1, 1) },
502 { "plil2keep", B(1, 2, 0) },
503 { "plil2strm", B(1, 2, 1) },
504 { "plil3keep", B(1, 3, 0) },
505 { "plil3strm", B(1, 3, 1) },
506 { NULL, 0x0e },
507 { NULL, 0x0f },
508 { "pstl1keep", B(2, 1, 0) },
509 { "pstl1strm", B(2, 1, 1) },
510 { "pstl2keep", B(2, 2, 0) },
511 { "pstl2strm", B(2, 2, 1) },
512 { "pstl3keep", B(2, 3, 0) },
513 { "pstl3strm", B(2, 3, 1) },
514 { NULL, 0x16 },
515 { NULL, 0x17 },
516 { NULL, 0x18 },
517 { NULL, 0x19 },
518 { NULL, 0x1a },
519 { NULL, 0x1b },
520 { NULL, 0x1c },
521 { NULL, 0x1d },
522 { NULL, 0x1e },
523 { NULL, 0x1f },
524 };
525 #undef B
526 \f
527 /* Utilities on value constraint. */
528
529 static inline int
530 value_in_range_p (int64_t value, int low, int high)
531 {
532 return (value >= low && value <= high) ? 1 : 0;
533 }
534
535 /* Return true if VALUE is a multiple of ALIGN. */
536 static inline int
537 value_aligned_p (int64_t value, int align)
538 {
539 return (value % align) == 0;
540 }
541
542 /* A signed value fits in a field. */
543 static inline int
544 value_fit_signed_field_p (int64_t value, unsigned width)
545 {
546 assert (width < 32);
547 if (width < sizeof (value) * 8)
548 {
549 int64_t lim = (int64_t)1 << (width - 1);
550 if (value >= -lim && value < lim)
551 return 1;
552 }
553 return 0;
554 }
555
556 /* An unsigned value fits in a field. */
557 static inline int
558 value_fit_unsigned_field_p (int64_t value, unsigned width)
559 {
560 assert (width < 32);
561 if (width < sizeof (value) * 8)
562 {
563 int64_t lim = (int64_t)1 << width;
564 if (value >= 0 && value < lim)
565 return 1;
566 }
567 return 0;
568 }
569
570 /* Return 1 if OPERAND is SP or WSP. */
571 int
572 aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
573 {
574 return ((aarch64_get_operand_class (operand->type)
575 == AARCH64_OPND_CLASS_INT_REG)
576 && operand_maybe_stack_pointer (aarch64_operands + operand->type)
577 && operand->reg.regno == 31);
578 }
579
580 /* Return 1 if OPERAND is XZR or WZP. */
581 int
582 aarch64_zero_register_p (const aarch64_opnd_info *operand)
583 {
584 return ((aarch64_get_operand_class (operand->type)
585 == AARCH64_OPND_CLASS_INT_REG)
586 && !operand_maybe_stack_pointer (aarch64_operands + operand->type)
587 && operand->reg.regno == 31);
588 }
589
590 /* Return true if the operand *OPERAND that has the operand code
591 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
592 qualified by the qualifier TARGET. */
593
594 static inline int
595 operand_also_qualified_p (const struct aarch64_opnd_info *operand,
596 aarch64_opnd_qualifier_t target)
597 {
598 switch (operand->qualifier)
599 {
600 case AARCH64_OPND_QLF_W:
601 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
602 return 1;
603 break;
604 case AARCH64_OPND_QLF_X:
605 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
606 return 1;
607 break;
608 case AARCH64_OPND_QLF_WSP:
609 if (target == AARCH64_OPND_QLF_W
610 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
611 return 1;
612 break;
613 case AARCH64_OPND_QLF_SP:
614 if (target == AARCH64_OPND_QLF_X
615 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
616 return 1;
617 break;
618 default:
619 break;
620 }
621
622 return 0;
623 }
624
625 /* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
626 for operand KNOWN_IDX, return the expected qualifier for operand IDX.
627
628 Return NIL if more than one expected qualifiers are found. */
629
630 aarch64_opnd_qualifier_t
631 aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
632 int idx,
633 const aarch64_opnd_qualifier_t known_qlf,
634 int known_idx)
635 {
636 int i, saved_i;
637
638 /* Special case.
639
640 When the known qualifier is NIL, we have to assume that there is only
641 one qualifier sequence in the *QSEQ_LIST and return the corresponding
642 qualifier directly. One scenario is that for instruction
643 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
644 which has only one possible valid qualifier sequence
645 NIL, S_D
646 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
647 determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
648
649 Because the qualifier NIL has dual roles in the qualifier sequence:
650 it can mean no qualifier for the operand, or the qualifer sequence is
651 not in use (when all qualifiers in the sequence are NILs), we have to
652 handle this special case here. */
653 if (known_qlf == AARCH64_OPND_NIL)
654 {
655 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
656 return qseq_list[0][idx];
657 }
658
659 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
660 {
661 if (qseq_list[i][known_idx] == known_qlf)
662 {
663 if (saved_i != -1)
664 /* More than one sequences are found to have KNOWN_QLF at
665 KNOWN_IDX. */
666 return AARCH64_OPND_NIL;
667 saved_i = i;
668 }
669 }
670
671 return qseq_list[saved_i][idx];
672 }
673
674 enum operand_qualifier_kind
675 {
676 OQK_NIL,
677 OQK_OPD_VARIANT,
678 OQK_VALUE_IN_RANGE,
679 OQK_MISC,
680 };
681
682 /* Operand qualifier description. */
683 struct operand_qualifier_data
684 {
685 /* The usage of the three data fields depends on the qualifier kind. */
686 int data0;
687 int data1;
688 int data2;
689 /* Description. */
690 const char *desc;
691 /* Kind. */
692 enum operand_qualifier_kind kind;
693 };
694
695 /* Indexed by the operand qualifier enumerators. */
696 struct operand_qualifier_data aarch64_opnd_qualifiers[] =
697 {
698 {0, 0, 0, "NIL", OQK_NIL},
699
700 /* Operand variant qualifiers.
701 First 3 fields:
702 element size, number of elements and common value for encoding. */
703
704 {4, 1, 0x0, "w", OQK_OPD_VARIANT},
705 {8, 1, 0x1, "x", OQK_OPD_VARIANT},
706 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
707 {8, 1, 0x1, "sp", OQK_OPD_VARIANT},
708
709 {1, 1, 0x0, "b", OQK_OPD_VARIANT},
710 {2, 1, 0x1, "h", OQK_OPD_VARIANT},
711 {4, 1, 0x2, "s", OQK_OPD_VARIANT},
712 {8, 1, 0x3, "d", OQK_OPD_VARIANT},
713 {16, 1, 0x4, "q", OQK_OPD_VARIANT},
714 {4, 1, 0x0, "4b", OQK_OPD_VARIANT},
715
716 {1, 4, 0x0, "4b", OQK_OPD_VARIANT},
717 {1, 8, 0x0, "8b", OQK_OPD_VARIANT},
718 {1, 16, 0x1, "16b", OQK_OPD_VARIANT},
719 {2, 2, 0x0, "2h", OQK_OPD_VARIANT},
720 {2, 4, 0x2, "4h", OQK_OPD_VARIANT},
721 {2, 8, 0x3, "8h", OQK_OPD_VARIANT},
722 {4, 2, 0x4, "2s", OQK_OPD_VARIANT},
723 {4, 4, 0x5, "4s", OQK_OPD_VARIANT},
724 {8, 1, 0x6, "1d", OQK_OPD_VARIANT},
725 {8, 2, 0x7, "2d", OQK_OPD_VARIANT},
726 {16, 1, 0x8, "1q", OQK_OPD_VARIANT},
727
728 {0, 0, 0, "z", OQK_OPD_VARIANT},
729 {0, 0, 0, "m", OQK_OPD_VARIANT},
730
731 /* Qualifier for scaled immediate for Tag granule (stg,st2g,etc). */
732 {16, 0, 0, "tag", OQK_OPD_VARIANT},
733
734 /* Qualifiers constraining the value range.
735 First 3 fields:
736 Lower bound, higher bound, unused. */
737
738 {0, 15, 0, "CR", OQK_VALUE_IN_RANGE},
739 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
740 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
741 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
742 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
743 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
744 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
745
746 /* Qualifiers for miscellaneous purpose.
747 First 3 fields:
748 unused, unused and unused. */
749
750 {0, 0, 0, "lsl", 0},
751 {0, 0, 0, "msl", 0},
752
753 {0, 0, 0, "retrieving", 0},
754 };
755
756 static inline bfd_boolean
757 operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
758 {
759 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
760 ? TRUE : FALSE;
761 }
762
763 static inline bfd_boolean
764 qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
765 {
766 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
767 ? TRUE : FALSE;
768 }
769
770 const char*
771 aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
772 {
773 return aarch64_opnd_qualifiers[qualifier].desc;
774 }
775
776 /* Given an operand qualifier, return the expected data element size
777 of a qualified operand. */
778 unsigned char
779 aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
780 {
781 assert (operand_variant_qualifier_p (qualifier) == TRUE);
782 return aarch64_opnd_qualifiers[qualifier].data0;
783 }
784
785 unsigned char
786 aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
787 {
788 assert (operand_variant_qualifier_p (qualifier) == TRUE);
789 return aarch64_opnd_qualifiers[qualifier].data1;
790 }
791
792 aarch64_insn
793 aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
794 {
795 assert (operand_variant_qualifier_p (qualifier) == TRUE);
796 return aarch64_opnd_qualifiers[qualifier].data2;
797 }
798
799 static int
800 get_lower_bound (aarch64_opnd_qualifier_t qualifier)
801 {
802 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
803 return aarch64_opnd_qualifiers[qualifier].data0;
804 }
805
806 static int
807 get_upper_bound (aarch64_opnd_qualifier_t qualifier)
808 {
809 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
810 return aarch64_opnd_qualifiers[qualifier].data1;
811 }
812
813 #ifdef DEBUG_AARCH64
814 void
815 aarch64_verbose (const char *str, ...)
816 {
817 va_list ap;
818 va_start (ap, str);
819 printf ("#### ");
820 vprintf (str, ap);
821 printf ("\n");
822 va_end (ap);
823 }
824
825 static inline void
826 dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
827 {
828 int i;
829 printf ("#### \t");
830 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
831 printf ("%s,", aarch64_get_qualifier_name (*qualifier));
832 printf ("\n");
833 }
834
835 static void
836 dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
837 const aarch64_opnd_qualifier_t *qualifier)
838 {
839 int i;
840 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
841
842 aarch64_verbose ("dump_match_qualifiers:");
843 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
844 curr[i] = opnd[i].qualifier;
845 dump_qualifier_sequence (curr);
846 aarch64_verbose ("against");
847 dump_qualifier_sequence (qualifier);
848 }
849 #endif /* DEBUG_AARCH64 */
850
851 /* This function checks if the given instruction INSN is a destructive
852 instruction based on the usage of the registers. It does not recognize
853 unary destructive instructions. */
854 bfd_boolean
855 aarch64_is_destructive_by_operands (const aarch64_opcode *opcode)
856 {
857 int i = 0;
858 const enum aarch64_opnd *opnds = opcode->operands;
859
860 if (opnds[0] == AARCH64_OPND_NIL)
861 return FALSE;
862
863 while (opnds[++i] != AARCH64_OPND_NIL)
864 if (opnds[i] == opnds[0])
865 return TRUE;
866
867 return FALSE;
868 }
869
870 /* TODO improve this, we can have an extra field at the runtime to
871 store the number of operands rather than calculating it every time. */
872
873 int
874 aarch64_num_of_operands (const aarch64_opcode *opcode)
875 {
876 int i = 0;
877 const enum aarch64_opnd *opnds = opcode->operands;
878 while (opnds[i++] != AARCH64_OPND_NIL)
879 ;
880 --i;
881 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
882 return i;
883 }
884
885 /* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
886 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
887
888 N.B. on the entry, it is very likely that only some operands in *INST
889 have had their qualifiers been established.
890
891 If STOP_AT is not -1, the function will only try to match
892 the qualifier sequence for operands before and including the operand
893 of index STOP_AT; and on success *RET will only be filled with the first
894 (STOP_AT+1) qualifiers.
895
896 A couple examples of the matching algorithm:
897
898 X,W,NIL should match
899 X,W,NIL
900
901 NIL,NIL should match
902 X ,NIL
903
904 Apart from serving the main encoding routine, this can also be called
905 during or after the operand decoding. */
906
907 int
908 aarch64_find_best_match (const aarch64_inst *inst,
909 const aarch64_opnd_qualifier_seq_t *qualifiers_list,
910 int stop_at, aarch64_opnd_qualifier_t *ret)
911 {
912 int found = 0;
913 int i, num_opnds;
914 const aarch64_opnd_qualifier_t *qualifiers;
915
916 num_opnds = aarch64_num_of_operands (inst->opcode);
917 if (num_opnds == 0)
918 {
919 DEBUG_TRACE ("SUCCEED: no operand");
920 return 1;
921 }
922
923 if (stop_at < 0 || stop_at >= num_opnds)
924 stop_at = num_opnds - 1;
925
926 /* For each pattern. */
927 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
928 {
929 int j;
930 qualifiers = *qualifiers_list;
931
932 /* Start as positive. */
933 found = 1;
934
935 DEBUG_TRACE ("%d", i);
936 #ifdef DEBUG_AARCH64
937 if (debug_dump)
938 dump_match_qualifiers (inst->operands, qualifiers);
939 #endif
940
941 /* Most opcodes has much fewer patterns in the list.
942 First NIL qualifier indicates the end in the list. */
943 if (empty_qualifier_sequence_p (qualifiers) == TRUE)
944 {
945 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
946 if (i)
947 found = 0;
948 break;
949 }
950
951 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
952 {
953 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
954 {
955 /* Either the operand does not have qualifier, or the qualifier
956 for the operand needs to be deduced from the qualifier
957 sequence.
958 In the latter case, any constraint checking related with
959 the obtained qualifier should be done later in
960 operand_general_constraint_met_p. */
961 continue;
962 }
963 else if (*qualifiers != inst->operands[j].qualifier)
964 {
965 /* Unless the target qualifier can also qualify the operand
966 (which has already had a non-nil qualifier), non-equal
967 qualifiers are generally un-matched. */
968 if (operand_also_qualified_p (inst->operands + j, *qualifiers))
969 continue;
970 else
971 {
972 found = 0;
973 break;
974 }
975 }
976 else
977 continue; /* Equal qualifiers are certainly matched. */
978 }
979
980 /* Qualifiers established. */
981 if (found == 1)
982 break;
983 }
984
985 if (found == 1)
986 {
987 /* Fill the result in *RET. */
988 int j;
989 qualifiers = *qualifiers_list;
990
991 DEBUG_TRACE ("complete qualifiers using list %d", i);
992 #ifdef DEBUG_AARCH64
993 if (debug_dump)
994 dump_qualifier_sequence (qualifiers);
995 #endif
996
997 for (j = 0; j <= stop_at; ++j, ++qualifiers)
998 ret[j] = *qualifiers;
999 for (; j < AARCH64_MAX_OPND_NUM; ++j)
1000 ret[j] = AARCH64_OPND_QLF_NIL;
1001
1002 DEBUG_TRACE ("SUCCESS");
1003 return 1;
1004 }
1005
1006 DEBUG_TRACE ("FAIL");
1007 return 0;
1008 }
1009
1010 /* Operand qualifier matching and resolving.
1011
1012 Return 1 if the operand qualifier(s) in *INST match one of the qualifier
1013 sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
1014
1015 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
1016 succeeds. */
1017
1018 static int
1019 match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
1020 {
1021 int i, nops;
1022 aarch64_opnd_qualifier_seq_t qualifiers;
1023
1024 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
1025 qualifiers))
1026 {
1027 DEBUG_TRACE ("matching FAIL");
1028 return 0;
1029 }
1030
1031 if (inst->opcode->flags & F_STRICT)
1032 {
1033 /* Require an exact qualifier match, even for NIL qualifiers. */
1034 nops = aarch64_num_of_operands (inst->opcode);
1035 for (i = 0; i < nops; ++i)
1036 if (inst->operands[i].qualifier != qualifiers[i])
1037 return FALSE;
1038 }
1039
1040 /* Update the qualifiers. */
1041 if (update_p == TRUE)
1042 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
1043 {
1044 if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
1045 break;
1046 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
1047 "update %s with %s for operand %d",
1048 aarch64_get_qualifier_name (inst->operands[i].qualifier),
1049 aarch64_get_qualifier_name (qualifiers[i]), i);
1050 inst->operands[i].qualifier = qualifiers[i];
1051 }
1052
1053 DEBUG_TRACE ("matching SUCCESS");
1054 return 1;
1055 }
1056
1057 /* Return TRUE if VALUE is a wide constant that can be moved into a general
1058 register by MOVZ.
1059
1060 IS32 indicates whether value is a 32-bit immediate or not.
1061 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
1062 amount will be returned in *SHIFT_AMOUNT. */
1063
1064 bfd_boolean
1065 aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
1066 {
1067 int amount;
1068
1069 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1070
1071 if (is32)
1072 {
1073 /* Allow all zeros or all ones in top 32-bits, so that
1074 32-bit constant expressions like ~0x80000000 are
1075 permitted. */
1076 uint64_t ext = value;
1077 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
1078 /* Immediate out of range. */
1079 return FALSE;
1080 value &= (int64_t) 0xffffffff;
1081 }
1082
1083 /* first, try movz then movn */
1084 amount = -1;
1085 if ((value & ((int64_t) 0xffff << 0)) == value)
1086 amount = 0;
1087 else if ((value & ((int64_t) 0xffff << 16)) == value)
1088 amount = 16;
1089 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
1090 amount = 32;
1091 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
1092 amount = 48;
1093
1094 if (amount == -1)
1095 {
1096 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1097 return FALSE;
1098 }
1099
1100 if (shift_amount != NULL)
1101 *shift_amount = amount;
1102
1103 DEBUG_TRACE ("exit TRUE with amount %d", amount);
1104
1105 return TRUE;
1106 }
1107
1108 /* Build the accepted values for immediate logical SIMD instructions.
1109
1110 The standard encodings of the immediate value are:
1111 N imms immr SIMD size R S
1112 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
1113 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
1114 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
1115 0 110sss 000rrr 8 UInt(rrr) UInt(sss)
1116 0 1110ss 0000rr 4 UInt(rr) UInt(ss)
1117 0 11110s 00000r 2 UInt(r) UInt(s)
1118 where all-ones value of S is reserved.
1119
1120 Let's call E the SIMD size.
1121
1122 The immediate value is: S+1 bits '1' rotated to the right by R.
1123
1124 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
1125 (remember S != E - 1). */
1126
1127 #define TOTAL_IMM_NB 5334
1128
1129 typedef struct
1130 {
1131 uint64_t imm;
1132 aarch64_insn encoding;
1133 } simd_imm_encoding;
1134
1135 static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
1136
1137 static int
1138 simd_imm_encoding_cmp(const void *i1, const void *i2)
1139 {
1140 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
1141 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
1142
1143 if (imm1->imm < imm2->imm)
1144 return -1;
1145 if (imm1->imm > imm2->imm)
1146 return +1;
1147 return 0;
1148 }
1149
1150 /* immediate bitfield standard encoding
1151 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
1152 1 ssssss rrrrrr 64 rrrrrr ssssss
1153 0 0sssss 0rrrrr 32 rrrrr sssss
1154 0 10ssss 00rrrr 16 rrrr ssss
1155 0 110sss 000rrr 8 rrr sss
1156 0 1110ss 0000rr 4 rr ss
1157 0 11110s 00000r 2 r s */
1158 static inline int
1159 encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
1160 {
1161 return (is64 << 12) | (r << 6) | s;
1162 }
1163
1164 static void
1165 build_immediate_table (void)
1166 {
1167 uint32_t log_e, e, s, r, s_mask;
1168 uint64_t mask, imm;
1169 int nb_imms;
1170 int is64;
1171
1172 nb_imms = 0;
1173 for (log_e = 1; log_e <= 6; log_e++)
1174 {
1175 /* Get element size. */
1176 e = 1u << log_e;
1177 if (log_e == 6)
1178 {
1179 is64 = 1;
1180 mask = 0xffffffffffffffffull;
1181 s_mask = 0;
1182 }
1183 else
1184 {
1185 is64 = 0;
1186 mask = (1ull << e) - 1;
1187 /* log_e s_mask
1188 1 ((1 << 4) - 1) << 2 = 111100
1189 2 ((1 << 3) - 1) << 3 = 111000
1190 3 ((1 << 2) - 1) << 4 = 110000
1191 4 ((1 << 1) - 1) << 5 = 100000
1192 5 ((1 << 0) - 1) << 6 = 000000 */
1193 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
1194 }
1195 for (s = 0; s < e - 1; s++)
1196 for (r = 0; r < e; r++)
1197 {
1198 /* s+1 consecutive bits to 1 (s < 63) */
1199 imm = (1ull << (s + 1)) - 1;
1200 /* rotate right by r */
1201 if (r != 0)
1202 imm = (imm >> r) | ((imm << (e - r)) & mask);
1203 /* replicate the constant depending on SIMD size */
1204 switch (log_e)
1205 {
1206 case 1: imm = (imm << 2) | imm;
1207 /* Fall through. */
1208 case 2: imm = (imm << 4) | imm;
1209 /* Fall through. */
1210 case 3: imm = (imm << 8) | imm;
1211 /* Fall through. */
1212 case 4: imm = (imm << 16) | imm;
1213 /* Fall through. */
1214 case 5: imm = (imm << 32) | imm;
1215 /* Fall through. */
1216 case 6: break;
1217 default: abort ();
1218 }
1219 simd_immediates[nb_imms].imm = imm;
1220 simd_immediates[nb_imms].encoding =
1221 encode_immediate_bitfield(is64, s | s_mask, r);
1222 nb_imms++;
1223 }
1224 }
1225 assert (nb_imms == TOTAL_IMM_NB);
1226 qsort(simd_immediates, nb_imms,
1227 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1228 }
1229
1230 /* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
1231 be accepted by logical (immediate) instructions
1232 e.g. ORR <Xd|SP>, <Xn>, #<imm>.
1233
1234 ESIZE is the number of bytes in the decoded immediate value.
1235 If ENCODING is not NULL, on the return of TRUE, the standard encoding for
1236 VALUE will be returned in *ENCODING. */
1237
1238 bfd_boolean
1239 aarch64_logical_immediate_p (uint64_t value, int esize, aarch64_insn *encoding)
1240 {
1241 simd_imm_encoding imm_enc;
1242 const simd_imm_encoding *imm_encoding;
1243 static bfd_boolean initialized = FALSE;
1244 uint64_t upper;
1245 int i;
1246
1247 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), esize: %d", value,
1248 value, esize);
1249
1250 if (!initialized)
1251 {
1252 build_immediate_table ();
1253 initialized = TRUE;
1254 }
1255
1256 /* Allow all zeros or all ones in top bits, so that
1257 constant expressions like ~1 are permitted. */
1258 upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
1259 if ((value & ~upper) != value && (value | upper) != value)
1260 return FALSE;
1261
1262 /* Replicate to a full 64-bit value. */
1263 value &= ~upper;
1264 for (i = esize * 8; i < 64; i *= 2)
1265 value |= (value << i);
1266
1267 imm_enc.imm = value;
1268 imm_encoding = (const simd_imm_encoding *)
1269 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
1270 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1271 if (imm_encoding == NULL)
1272 {
1273 DEBUG_TRACE ("exit with FALSE");
1274 return FALSE;
1275 }
1276 if (encoding != NULL)
1277 *encoding = imm_encoding->encoding;
1278 DEBUG_TRACE ("exit with TRUE");
1279 return TRUE;
1280 }
1281
1282 /* If 64-bit immediate IMM is in the format of
1283 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
1284 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
1285 of value "abcdefgh". Otherwise return -1. */
1286 int
1287 aarch64_shrink_expanded_imm8 (uint64_t imm)
1288 {
1289 int i, ret;
1290 uint32_t byte;
1291
1292 ret = 0;
1293 for (i = 0; i < 8; i++)
1294 {
1295 byte = (imm >> (8 * i)) & 0xff;
1296 if (byte == 0xff)
1297 ret |= 1 << i;
1298 else if (byte != 0x00)
1299 return -1;
1300 }
1301 return ret;
1302 }
1303
1304 /* Utility inline functions for operand_general_constraint_met_p. */
1305
1306 static inline void
1307 set_error (aarch64_operand_error *mismatch_detail,
1308 enum aarch64_operand_error_kind kind, int idx,
1309 const char* error)
1310 {
1311 if (mismatch_detail == NULL)
1312 return;
1313 mismatch_detail->kind = kind;
1314 mismatch_detail->index = idx;
1315 mismatch_detail->error = error;
1316 }
1317
1318 static inline void
1319 set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
1320 const char* error)
1321 {
1322 if (mismatch_detail == NULL)
1323 return;
1324 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
1325 }
1326
1327 static inline void
1328 set_out_of_range_error (aarch64_operand_error *mismatch_detail,
1329 int idx, int lower_bound, int upper_bound,
1330 const char* error)
1331 {
1332 if (mismatch_detail == NULL)
1333 return;
1334 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
1335 mismatch_detail->data[0] = lower_bound;
1336 mismatch_detail->data[1] = upper_bound;
1337 }
1338
1339 static inline void
1340 set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
1341 int idx, int lower_bound, int upper_bound)
1342 {
1343 if (mismatch_detail == NULL)
1344 return;
1345 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1346 _("immediate value"));
1347 }
1348
1349 static inline void
1350 set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
1351 int idx, int lower_bound, int upper_bound)
1352 {
1353 if (mismatch_detail == NULL)
1354 return;
1355 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1356 _("immediate offset"));
1357 }
1358
1359 static inline void
1360 set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
1361 int idx, int lower_bound, int upper_bound)
1362 {
1363 if (mismatch_detail == NULL)
1364 return;
1365 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1366 _("register number"));
1367 }
1368
1369 static inline void
1370 set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
1371 int idx, int lower_bound, int upper_bound)
1372 {
1373 if (mismatch_detail == NULL)
1374 return;
1375 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1376 _("register element index"));
1377 }
1378
1379 static inline void
1380 set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
1381 int idx, int lower_bound, int upper_bound)
1382 {
1383 if (mismatch_detail == NULL)
1384 return;
1385 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1386 _("shift amount"));
1387 }
1388
1389 /* Report that the MUL modifier in operand IDX should be in the range
1390 [LOWER_BOUND, UPPER_BOUND]. */
1391 static inline void
1392 set_multiplier_out_of_range_error (aarch64_operand_error *mismatch_detail,
1393 int idx, int lower_bound, int upper_bound)
1394 {
1395 if (mismatch_detail == NULL)
1396 return;
1397 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1398 _("multiplier"));
1399 }
1400
1401 static inline void
1402 set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
1403 int alignment)
1404 {
1405 if (mismatch_detail == NULL)
1406 return;
1407 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
1408 mismatch_detail->data[0] = alignment;
1409 }
1410
1411 static inline void
1412 set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
1413 int expected_num)
1414 {
1415 if (mismatch_detail == NULL)
1416 return;
1417 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
1418 mismatch_detail->data[0] = expected_num;
1419 }
1420
1421 static inline void
1422 set_other_error (aarch64_operand_error *mismatch_detail, int idx,
1423 const char* error)
1424 {
1425 if (mismatch_detail == NULL)
1426 return;
1427 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
1428 }
1429
1430 /* General constraint checking based on operand code.
1431
1432 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
1433 as the IDXth operand of opcode OPCODE. Otherwise return 0.
1434
1435 This function has to be called after the qualifiers for all operands
1436 have been resolved.
1437
1438 Mismatching error message is returned in *MISMATCH_DETAIL upon request,
1439 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
1440 of error message during the disassembling where error message is not
1441 wanted. We avoid the dynamic construction of strings of error messages
1442 here (i.e. in libopcodes), as it is costly and complicated; instead, we
1443 use a combination of error code, static string and some integer data to
1444 represent an error. */
1445
1446 static int
1447 operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
1448 enum aarch64_opnd type,
1449 const aarch64_opcode *opcode,
1450 aarch64_operand_error *mismatch_detail)
1451 {
1452 unsigned num, modifiers, shift;
1453 unsigned char size;
1454 int64_t imm, min_value, max_value;
1455 uint64_t uvalue, mask;
1456 const aarch64_opnd_info *opnd = opnds + idx;
1457 aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
1458
1459 assert (opcode->operands[idx] == opnd->type && opnd->type == type);
1460
1461 switch (aarch64_operands[type].op_class)
1462 {
1463 case AARCH64_OPND_CLASS_INT_REG:
1464 /* Check pair reg constraints for cas* instructions. */
1465 if (type == AARCH64_OPND_PAIRREG)
1466 {
1467 assert (idx == 1 || idx == 3);
1468 if (opnds[idx - 1].reg.regno % 2 != 0)
1469 {
1470 set_syntax_error (mismatch_detail, idx - 1,
1471 _("reg pair must start from even reg"));
1472 return 0;
1473 }
1474 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
1475 {
1476 set_syntax_error (mismatch_detail, idx,
1477 _("reg pair must be contiguous"));
1478 return 0;
1479 }
1480 break;
1481 }
1482
1483 /* <Xt> may be optional in some IC and TLBI instructions. */
1484 if (type == AARCH64_OPND_Rt_SYS)
1485 {
1486 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
1487 == AARCH64_OPND_CLASS_SYSTEM));
1488 if (opnds[1].present
1489 && !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1490 {
1491 set_other_error (mismatch_detail, idx, _("extraneous register"));
1492 return 0;
1493 }
1494 if (!opnds[1].present
1495 && aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1496 {
1497 set_other_error (mismatch_detail, idx, _("missing register"));
1498 return 0;
1499 }
1500 }
1501 switch (qualifier)
1502 {
1503 case AARCH64_OPND_QLF_WSP:
1504 case AARCH64_OPND_QLF_SP:
1505 if (!aarch64_stack_pointer_p (opnd))
1506 {
1507 set_other_error (mismatch_detail, idx,
1508 _("stack pointer register expected"));
1509 return 0;
1510 }
1511 break;
1512 default:
1513 break;
1514 }
1515 break;
1516
1517 case AARCH64_OPND_CLASS_SVE_REG:
1518 switch (type)
1519 {
1520 case AARCH64_OPND_SVE_Zm3_INDEX:
1521 case AARCH64_OPND_SVE_Zm3_22_INDEX:
1522 case AARCH64_OPND_SVE_Zm3_11_INDEX:
1523 case AARCH64_OPND_SVE_Zm4_11_INDEX:
1524 case AARCH64_OPND_SVE_Zm4_INDEX:
1525 size = get_operand_fields_width (get_operand_from_code (type));
1526 shift = get_operand_specific_data (&aarch64_operands[type]);
1527 mask = (1 << shift) - 1;
1528 if (opnd->reg.regno > mask)
1529 {
1530 assert (mask == 7 || mask == 15);
1531 set_other_error (mismatch_detail, idx,
1532 mask == 15
1533 ? _("z0-z15 expected")
1534 : _("z0-z7 expected"));
1535 return 0;
1536 }
1537 mask = (1 << (size - shift)) - 1;
1538 if (!value_in_range_p (opnd->reglane.index, 0, mask))
1539 {
1540 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask);
1541 return 0;
1542 }
1543 break;
1544
1545 case AARCH64_OPND_SVE_Zn_INDEX:
1546 size = aarch64_get_qualifier_esize (opnd->qualifier);
1547 if (!value_in_range_p (opnd->reglane.index, 0, 64 / size - 1))
1548 {
1549 set_elem_idx_out_of_range_error (mismatch_detail, idx,
1550 0, 64 / size - 1);
1551 return 0;
1552 }
1553 break;
1554
1555 case AARCH64_OPND_SVE_ZnxN:
1556 case AARCH64_OPND_SVE_ZtxN:
1557 if (opnd->reglist.num_regs != get_opcode_dependent_value (opcode))
1558 {
1559 set_other_error (mismatch_detail, idx,
1560 _("invalid register list"));
1561 return 0;
1562 }
1563 break;
1564
1565 default:
1566 break;
1567 }
1568 break;
1569
1570 case AARCH64_OPND_CLASS_PRED_REG:
1571 if (opnd->reg.regno >= 8
1572 && get_operand_fields_width (get_operand_from_code (type)) == 3)
1573 {
1574 set_other_error (mismatch_detail, idx, _("p0-p7 expected"));
1575 return 0;
1576 }
1577 break;
1578
1579 case AARCH64_OPND_CLASS_COND:
1580 if (type == AARCH64_OPND_COND1
1581 && (opnds[idx].cond->value & 0xe) == 0xe)
1582 {
1583 /* Not allow AL or NV. */
1584 set_syntax_error (mismatch_detail, idx, NULL);
1585 }
1586 break;
1587
1588 case AARCH64_OPND_CLASS_ADDRESS:
1589 /* Check writeback. */
1590 switch (opcode->iclass)
1591 {
1592 case ldst_pos:
1593 case ldst_unscaled:
1594 case ldstnapair_offs:
1595 case ldstpair_off:
1596 case ldst_unpriv:
1597 if (opnd->addr.writeback == 1)
1598 {
1599 set_syntax_error (mismatch_detail, idx,
1600 _("unexpected address writeback"));
1601 return 0;
1602 }
1603 break;
1604 case ldst_imm10:
1605 if (opnd->addr.writeback == 1 && opnd->addr.preind != 1)
1606 {
1607 set_syntax_error (mismatch_detail, idx,
1608 _("unexpected address writeback"));
1609 return 0;
1610 }
1611 break;
1612 case ldst_imm9:
1613 case ldstpair_indexed:
1614 case asisdlsep:
1615 case asisdlsop:
1616 if (opnd->addr.writeback == 0)
1617 {
1618 set_syntax_error (mismatch_detail, idx,
1619 _("address writeback expected"));
1620 return 0;
1621 }
1622 break;
1623 default:
1624 assert (opnd->addr.writeback == 0);
1625 break;
1626 }
1627 switch (type)
1628 {
1629 case AARCH64_OPND_ADDR_SIMM7:
1630 /* Scaled signed 7 bits immediate offset. */
1631 /* Get the size of the data element that is accessed, which may be
1632 different from that of the source register size,
1633 e.g. in strb/ldrb. */
1634 size = aarch64_get_qualifier_esize (opnd->qualifier);
1635 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
1636 {
1637 set_offset_out_of_range_error (mismatch_detail, idx,
1638 -64 * size, 63 * size);
1639 return 0;
1640 }
1641 if (!value_aligned_p (opnd->addr.offset.imm, size))
1642 {
1643 set_unaligned_error (mismatch_detail, idx, size);
1644 return 0;
1645 }
1646 break;
1647 case AARCH64_OPND_ADDR_OFFSET:
1648 case AARCH64_OPND_ADDR_SIMM9:
1649 /* Unscaled signed 9 bits immediate offset. */
1650 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
1651 {
1652 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
1653 return 0;
1654 }
1655 break;
1656
1657 case AARCH64_OPND_ADDR_SIMM9_2:
1658 /* Unscaled signed 9 bits immediate offset, which has to be negative
1659 or unaligned. */
1660 size = aarch64_get_qualifier_esize (qualifier);
1661 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
1662 && !value_aligned_p (opnd->addr.offset.imm, size))
1663 || value_in_range_p (opnd->addr.offset.imm, -256, -1))
1664 return 1;
1665 set_other_error (mismatch_detail, idx,
1666 _("negative or unaligned offset expected"));
1667 return 0;
1668
1669 case AARCH64_OPND_ADDR_SIMM10:
1670 /* Scaled signed 10 bits immediate offset. */
1671 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4088))
1672 {
1673 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4088);
1674 return 0;
1675 }
1676 if (!value_aligned_p (opnd->addr.offset.imm, 8))
1677 {
1678 set_unaligned_error (mismatch_detail, idx, 8);
1679 return 0;
1680 }
1681 break;
1682
1683 case AARCH64_OPND_ADDR_SIMM11:
1684 /* Signed 11 bits immediate offset (multiple of 16). */
1685 if (!value_in_range_p (opnd->addr.offset.imm, -1024, 1008))
1686 {
1687 set_offset_out_of_range_error (mismatch_detail, idx, -1024, 1008);
1688 return 0;
1689 }
1690
1691 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1692 {
1693 set_unaligned_error (mismatch_detail, idx, 16);
1694 return 0;
1695 }
1696 break;
1697
1698 case AARCH64_OPND_ADDR_SIMM13:
1699 /* Signed 13 bits immediate offset (multiple of 16). */
1700 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4080))
1701 {
1702 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4080);
1703 return 0;
1704 }
1705
1706 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1707 {
1708 set_unaligned_error (mismatch_detail, idx, 16);
1709 return 0;
1710 }
1711 break;
1712
1713 case AARCH64_OPND_SIMD_ADDR_POST:
1714 /* AdvSIMD load/store multiple structures, post-index. */
1715 assert (idx == 1);
1716 if (opnd->addr.offset.is_reg)
1717 {
1718 if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
1719 return 1;
1720 else
1721 {
1722 set_other_error (mismatch_detail, idx,
1723 _("invalid register offset"));
1724 return 0;
1725 }
1726 }
1727 else
1728 {
1729 const aarch64_opnd_info *prev = &opnds[idx-1];
1730 unsigned num_bytes; /* total number of bytes transferred. */
1731 /* The opcode dependent area stores the number of elements in
1732 each structure to be loaded/stored. */
1733 int is_ld1r = get_opcode_dependent_value (opcode) == 1;
1734 if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
1735 /* Special handling of loading single structure to all lane. */
1736 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
1737 * aarch64_get_qualifier_esize (prev->qualifier);
1738 else
1739 num_bytes = prev->reglist.num_regs
1740 * aarch64_get_qualifier_esize (prev->qualifier)
1741 * aarch64_get_qualifier_nelem (prev->qualifier);
1742 if ((int) num_bytes != opnd->addr.offset.imm)
1743 {
1744 set_other_error (mismatch_detail, idx,
1745 _("invalid post-increment amount"));
1746 return 0;
1747 }
1748 }
1749 break;
1750
1751 case AARCH64_OPND_ADDR_REGOFF:
1752 /* Get the size of the data element that is accessed, which may be
1753 different from that of the source register size,
1754 e.g. in strb/ldrb. */
1755 size = aarch64_get_qualifier_esize (opnd->qualifier);
1756 /* It is either no shift or shift by the binary logarithm of SIZE. */
1757 if (opnd->shifter.amount != 0
1758 && opnd->shifter.amount != (int)get_logsz (size))
1759 {
1760 set_other_error (mismatch_detail, idx,
1761 _("invalid shift amount"));
1762 return 0;
1763 }
1764 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending
1765 operators. */
1766 switch (opnd->shifter.kind)
1767 {
1768 case AARCH64_MOD_UXTW:
1769 case AARCH64_MOD_LSL:
1770 case AARCH64_MOD_SXTW:
1771 case AARCH64_MOD_SXTX: break;
1772 default:
1773 set_other_error (mismatch_detail, idx,
1774 _("invalid extend/shift operator"));
1775 return 0;
1776 }
1777 break;
1778
1779 case AARCH64_OPND_ADDR_UIMM12:
1780 imm = opnd->addr.offset.imm;
1781 /* Get the size of the data element that is accessed, which may be
1782 different from that of the source register size,
1783 e.g. in strb/ldrb. */
1784 size = aarch64_get_qualifier_esize (qualifier);
1785 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
1786 {
1787 set_offset_out_of_range_error (mismatch_detail, idx,
1788 0, 4095 * size);
1789 return 0;
1790 }
1791 if (!value_aligned_p (opnd->addr.offset.imm, size))
1792 {
1793 set_unaligned_error (mismatch_detail, idx, size);
1794 return 0;
1795 }
1796 break;
1797
1798 case AARCH64_OPND_ADDR_PCREL14:
1799 case AARCH64_OPND_ADDR_PCREL19:
1800 case AARCH64_OPND_ADDR_PCREL21:
1801 case AARCH64_OPND_ADDR_PCREL26:
1802 imm = opnd->imm.value;
1803 if (operand_need_shift_by_two (get_operand_from_code (type)))
1804 {
1805 /* The offset value in a PC-relative branch instruction is alway
1806 4-byte aligned and is encoded without the lowest 2 bits. */
1807 if (!value_aligned_p (imm, 4))
1808 {
1809 set_unaligned_error (mismatch_detail, idx, 4);
1810 return 0;
1811 }
1812 /* Right shift by 2 so that we can carry out the following check
1813 canonically. */
1814 imm >>= 2;
1815 }
1816 size = get_operand_fields_width (get_operand_from_code (type));
1817 if (!value_fit_signed_field_p (imm, size))
1818 {
1819 set_other_error (mismatch_detail, idx,
1820 _("immediate out of range"));
1821 return 0;
1822 }
1823 break;
1824
1825 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
1826 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
1827 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
1828 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
1829 min_value = -8;
1830 max_value = 7;
1831 sve_imm_offset_vl:
1832 assert (!opnd->addr.offset.is_reg);
1833 assert (opnd->addr.preind);
1834 num = 1 + get_operand_specific_data (&aarch64_operands[type]);
1835 min_value *= num;
1836 max_value *= num;
1837 if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present)
1838 || (opnd->shifter.operator_present
1839 && opnd->shifter.kind != AARCH64_MOD_MUL_VL))
1840 {
1841 set_other_error (mismatch_detail, idx,
1842 _("invalid addressing mode"));
1843 return 0;
1844 }
1845 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1846 {
1847 set_offset_out_of_range_error (mismatch_detail, idx,
1848 min_value, max_value);
1849 return 0;
1850 }
1851 if (!value_aligned_p (opnd->addr.offset.imm, num))
1852 {
1853 set_unaligned_error (mismatch_detail, idx, num);
1854 return 0;
1855 }
1856 break;
1857
1858 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
1859 min_value = -32;
1860 max_value = 31;
1861 goto sve_imm_offset_vl;
1862
1863 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
1864 min_value = -256;
1865 max_value = 255;
1866 goto sve_imm_offset_vl;
1867
1868 case AARCH64_OPND_SVE_ADDR_RI_U6:
1869 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
1870 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
1871 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
1872 min_value = 0;
1873 max_value = 63;
1874 sve_imm_offset:
1875 assert (!opnd->addr.offset.is_reg);
1876 assert (opnd->addr.preind);
1877 num = 1 << get_operand_specific_data (&aarch64_operands[type]);
1878 min_value *= num;
1879 max_value *= num;
1880 if (opnd->shifter.operator_present
1881 || opnd->shifter.amount_present)
1882 {
1883 set_other_error (mismatch_detail, idx,
1884 _("invalid addressing mode"));
1885 return 0;
1886 }
1887 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1888 {
1889 set_offset_out_of_range_error (mismatch_detail, idx,
1890 min_value, max_value);
1891 return 0;
1892 }
1893 if (!value_aligned_p (opnd->addr.offset.imm, num))
1894 {
1895 set_unaligned_error (mismatch_detail, idx, num);
1896 return 0;
1897 }
1898 break;
1899
1900 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
1901 min_value = -8;
1902 max_value = 7;
1903 goto sve_imm_offset;
1904
1905 case AARCH64_OPND_SVE_ADDR_ZX:
1906 /* Everything is already ensured by parse_operands or
1907 aarch64_ext_sve_addr_rr_lsl (because this is a very specific
1908 argument type). */
1909 assert (opnd->addr.offset.is_reg);
1910 assert (opnd->addr.preind);
1911 assert ((aarch64_operands[type].flags & OPD_F_NO_ZR) == 0);
1912 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
1913 assert (opnd->shifter.operator_present == 0);
1914 break;
1915
1916 case AARCH64_OPND_SVE_ADDR_R:
1917 case AARCH64_OPND_SVE_ADDR_RR:
1918 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
1919 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
1920 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
1921 case AARCH64_OPND_SVE_ADDR_RX:
1922 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
1923 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
1924 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
1925 case AARCH64_OPND_SVE_ADDR_RZ:
1926 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
1927 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
1928 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
1929 modifiers = 1 << AARCH64_MOD_LSL;
1930 sve_rr_operand:
1931 assert (opnd->addr.offset.is_reg);
1932 assert (opnd->addr.preind);
1933 if ((aarch64_operands[type].flags & OPD_F_NO_ZR) != 0
1934 && opnd->addr.offset.regno == 31)
1935 {
1936 set_other_error (mismatch_detail, idx,
1937 _("index register xzr is not allowed"));
1938 return 0;
1939 }
1940 if (((1 << opnd->shifter.kind) & modifiers) == 0
1941 || (opnd->shifter.amount
1942 != get_operand_specific_data (&aarch64_operands[type])))
1943 {
1944 set_other_error (mismatch_detail, idx,
1945 _("invalid addressing mode"));
1946 return 0;
1947 }
1948 break;
1949
1950 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
1951 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
1952 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
1953 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
1954 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
1955 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
1956 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
1957 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
1958 modifiers = (1 << AARCH64_MOD_SXTW) | (1 << AARCH64_MOD_UXTW);
1959 goto sve_rr_operand;
1960
1961 case AARCH64_OPND_SVE_ADDR_ZI_U5:
1962 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
1963 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
1964 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
1965 min_value = 0;
1966 max_value = 31;
1967 goto sve_imm_offset;
1968
1969 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
1970 modifiers = 1 << AARCH64_MOD_LSL;
1971 sve_zz_operand:
1972 assert (opnd->addr.offset.is_reg);
1973 assert (opnd->addr.preind);
1974 if (((1 << opnd->shifter.kind) & modifiers) == 0
1975 || opnd->shifter.amount < 0
1976 || opnd->shifter.amount > 3)
1977 {
1978 set_other_error (mismatch_detail, idx,
1979 _("invalid addressing mode"));
1980 return 0;
1981 }
1982 break;
1983
1984 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
1985 modifiers = (1 << AARCH64_MOD_SXTW);
1986 goto sve_zz_operand;
1987
1988 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
1989 modifiers = 1 << AARCH64_MOD_UXTW;
1990 goto sve_zz_operand;
1991
1992 default:
1993 break;
1994 }
1995 break;
1996
1997 case AARCH64_OPND_CLASS_SIMD_REGLIST:
1998 if (type == AARCH64_OPND_LEt)
1999 {
2000 /* Get the upper bound for the element index. */
2001 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
2002 if (!value_in_range_p (opnd->reglist.index, 0, num))
2003 {
2004 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2005 return 0;
2006 }
2007 }
2008 /* The opcode dependent area stores the number of elements in
2009 each structure to be loaded/stored. */
2010 num = get_opcode_dependent_value (opcode);
2011 switch (type)
2012 {
2013 case AARCH64_OPND_LVt:
2014 assert (num >= 1 && num <= 4);
2015 /* Unless LD1/ST1, the number of registers should be equal to that
2016 of the structure elements. */
2017 if (num != 1 && opnd->reglist.num_regs != num)
2018 {
2019 set_reg_list_error (mismatch_detail, idx, num);
2020 return 0;
2021 }
2022 break;
2023 case AARCH64_OPND_LVt_AL:
2024 case AARCH64_OPND_LEt:
2025 assert (num >= 1 && num <= 4);
2026 /* The number of registers should be equal to that of the structure
2027 elements. */
2028 if (opnd->reglist.num_regs != num)
2029 {
2030 set_reg_list_error (mismatch_detail, idx, num);
2031 return 0;
2032 }
2033 break;
2034 default:
2035 break;
2036 }
2037 break;
2038
2039 case AARCH64_OPND_CLASS_IMMEDIATE:
2040 /* Constraint check on immediate operand. */
2041 imm = opnd->imm.value;
2042 /* E.g. imm_0_31 constrains value to be 0..31. */
2043 if (qualifier_value_in_range_constraint_p (qualifier)
2044 && !value_in_range_p (imm, get_lower_bound (qualifier),
2045 get_upper_bound (qualifier)))
2046 {
2047 set_imm_out_of_range_error (mismatch_detail, idx,
2048 get_lower_bound (qualifier),
2049 get_upper_bound (qualifier));
2050 return 0;
2051 }
2052
2053 switch (type)
2054 {
2055 case AARCH64_OPND_AIMM:
2056 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2057 {
2058 set_other_error (mismatch_detail, idx,
2059 _("invalid shift operator"));
2060 return 0;
2061 }
2062 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
2063 {
2064 set_other_error (mismatch_detail, idx,
2065 _("shift amount must be 0 or 12"));
2066 return 0;
2067 }
2068 if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
2069 {
2070 set_other_error (mismatch_detail, idx,
2071 _("immediate out of range"));
2072 return 0;
2073 }
2074 break;
2075
2076 case AARCH64_OPND_HALF:
2077 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
2078 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2079 {
2080 set_other_error (mismatch_detail, idx,
2081 _("invalid shift operator"));
2082 return 0;
2083 }
2084 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2085 if (!value_aligned_p (opnd->shifter.amount, 16))
2086 {
2087 set_other_error (mismatch_detail, idx,
2088 _("shift amount must be a multiple of 16"));
2089 return 0;
2090 }
2091 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
2092 {
2093 set_sft_amount_out_of_range_error (mismatch_detail, idx,
2094 0, size * 8 - 16);
2095 return 0;
2096 }
2097 if (opnd->imm.value < 0)
2098 {
2099 set_other_error (mismatch_detail, idx,
2100 _("negative immediate value not allowed"));
2101 return 0;
2102 }
2103 if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
2104 {
2105 set_other_error (mismatch_detail, idx,
2106 _("immediate out of range"));
2107 return 0;
2108 }
2109 break;
2110
2111 case AARCH64_OPND_IMM_MOV:
2112 {
2113 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2114 imm = opnd->imm.value;
2115 assert (idx == 1);
2116 switch (opcode->op)
2117 {
2118 case OP_MOV_IMM_WIDEN:
2119 imm = ~imm;
2120 /* Fall through. */
2121 case OP_MOV_IMM_WIDE:
2122 if (!aarch64_wide_constant_p (imm, esize == 4, NULL))
2123 {
2124 set_other_error (mismatch_detail, idx,
2125 _("immediate out of range"));
2126 return 0;
2127 }
2128 break;
2129 case OP_MOV_IMM_LOG:
2130 if (!aarch64_logical_immediate_p (imm, esize, NULL))
2131 {
2132 set_other_error (mismatch_detail, idx,
2133 _("immediate out of range"));
2134 return 0;
2135 }
2136 break;
2137 default:
2138 assert (0);
2139 return 0;
2140 }
2141 }
2142 break;
2143
2144 case AARCH64_OPND_NZCV:
2145 case AARCH64_OPND_CCMP_IMM:
2146 case AARCH64_OPND_EXCEPTION:
2147 case AARCH64_OPND_TME_UIMM16:
2148 case AARCH64_OPND_UIMM4:
2149 case AARCH64_OPND_UIMM4_ADDG:
2150 case AARCH64_OPND_UIMM7:
2151 case AARCH64_OPND_UIMM3_OP1:
2152 case AARCH64_OPND_UIMM3_OP2:
2153 case AARCH64_OPND_SVE_UIMM3:
2154 case AARCH64_OPND_SVE_UIMM7:
2155 case AARCH64_OPND_SVE_UIMM8:
2156 case AARCH64_OPND_SVE_UIMM8_53:
2157 size = get_operand_fields_width (get_operand_from_code (type));
2158 assert (size < 32);
2159 if (!value_fit_unsigned_field_p (opnd->imm.value, size))
2160 {
2161 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2162 (1 << size) - 1);
2163 return 0;
2164 }
2165 break;
2166
2167 case AARCH64_OPND_UIMM10:
2168 /* Scaled unsigned 10 bits immediate offset. */
2169 if (!value_in_range_p (opnd->imm.value, 0, 1008))
2170 {
2171 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1008);
2172 return 0;
2173 }
2174
2175 if (!value_aligned_p (opnd->imm.value, 16))
2176 {
2177 set_unaligned_error (mismatch_detail, idx, 16);
2178 return 0;
2179 }
2180 break;
2181
2182 case AARCH64_OPND_SIMM5:
2183 case AARCH64_OPND_SVE_SIMM5:
2184 case AARCH64_OPND_SVE_SIMM5B:
2185 case AARCH64_OPND_SVE_SIMM6:
2186 case AARCH64_OPND_SVE_SIMM8:
2187 size = get_operand_fields_width (get_operand_from_code (type));
2188 assert (size < 32);
2189 if (!value_fit_signed_field_p (opnd->imm.value, size))
2190 {
2191 set_imm_out_of_range_error (mismatch_detail, idx,
2192 -(1 << (size - 1)),
2193 (1 << (size - 1)) - 1);
2194 return 0;
2195 }
2196 break;
2197
2198 case AARCH64_OPND_WIDTH:
2199 assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM
2200 && opnds[0].type == AARCH64_OPND_Rd);
2201 size = get_upper_bound (qualifier);
2202 if (opnd->imm.value + opnds[idx-1].imm.value > size)
2203 /* lsb+width <= reg.size */
2204 {
2205 set_imm_out_of_range_error (mismatch_detail, idx, 1,
2206 size - opnds[idx-1].imm.value);
2207 return 0;
2208 }
2209 break;
2210
2211 case AARCH64_OPND_LIMM:
2212 case AARCH64_OPND_SVE_LIMM:
2213 {
2214 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2215 uint64_t uimm = opnd->imm.value;
2216 if (opcode->op == OP_BIC)
2217 uimm = ~uimm;
2218 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2219 {
2220 set_other_error (mismatch_detail, idx,
2221 _("immediate out of range"));
2222 return 0;
2223 }
2224 }
2225 break;
2226
2227 case AARCH64_OPND_IMM0:
2228 case AARCH64_OPND_FPIMM0:
2229 if (opnd->imm.value != 0)
2230 {
2231 set_other_error (mismatch_detail, idx,
2232 _("immediate zero expected"));
2233 return 0;
2234 }
2235 break;
2236
2237 case AARCH64_OPND_IMM_ROT1:
2238 case AARCH64_OPND_IMM_ROT2:
2239 case AARCH64_OPND_SVE_IMM_ROT2:
2240 if (opnd->imm.value != 0
2241 && opnd->imm.value != 90
2242 && opnd->imm.value != 180
2243 && opnd->imm.value != 270)
2244 {
2245 set_other_error (mismatch_detail, idx,
2246 _("rotate expected to be 0, 90, 180 or 270"));
2247 return 0;
2248 }
2249 break;
2250
2251 case AARCH64_OPND_IMM_ROT3:
2252 case AARCH64_OPND_SVE_IMM_ROT1:
2253 case AARCH64_OPND_SVE_IMM_ROT3:
2254 if (opnd->imm.value != 90 && opnd->imm.value != 270)
2255 {
2256 set_other_error (mismatch_detail, idx,
2257 _("rotate expected to be 90 or 270"));
2258 return 0;
2259 }
2260 break;
2261
2262 case AARCH64_OPND_SHLL_IMM:
2263 assert (idx == 2);
2264 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2265 if (opnd->imm.value != size)
2266 {
2267 set_other_error (mismatch_detail, idx,
2268 _("invalid shift amount"));
2269 return 0;
2270 }
2271 break;
2272
2273 case AARCH64_OPND_IMM_VLSL:
2274 size = aarch64_get_qualifier_esize (qualifier);
2275 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
2276 {
2277 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2278 size * 8 - 1);
2279 return 0;
2280 }
2281 break;
2282
2283 case AARCH64_OPND_IMM_VLSR:
2284 size = aarch64_get_qualifier_esize (qualifier);
2285 if (!value_in_range_p (opnd->imm.value, 1, size * 8))
2286 {
2287 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
2288 return 0;
2289 }
2290 break;
2291
2292 case AARCH64_OPND_SIMD_IMM:
2293 case AARCH64_OPND_SIMD_IMM_SFT:
2294 /* Qualifier check. */
2295 switch (qualifier)
2296 {
2297 case AARCH64_OPND_QLF_LSL:
2298 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2299 {
2300 set_other_error (mismatch_detail, idx,
2301 _("invalid shift operator"));
2302 return 0;
2303 }
2304 break;
2305 case AARCH64_OPND_QLF_MSL:
2306 if (opnd->shifter.kind != AARCH64_MOD_MSL)
2307 {
2308 set_other_error (mismatch_detail, idx,
2309 _("invalid shift operator"));
2310 return 0;
2311 }
2312 break;
2313 case AARCH64_OPND_QLF_NIL:
2314 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2315 {
2316 set_other_error (mismatch_detail, idx,
2317 _("shift is not permitted"));
2318 return 0;
2319 }
2320 break;
2321 default:
2322 assert (0);
2323 return 0;
2324 }
2325 /* Is the immediate valid? */
2326 assert (idx == 1);
2327 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
2328 {
2329 /* uimm8 or simm8 */
2330 if (!value_in_range_p (opnd->imm.value, -128, 255))
2331 {
2332 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
2333 return 0;
2334 }
2335 }
2336 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
2337 {
2338 /* uimm64 is not
2339 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
2340 ffffffffgggggggghhhhhhhh'. */
2341 set_other_error (mismatch_detail, idx,
2342 _("invalid value for immediate"));
2343 return 0;
2344 }
2345 /* Is the shift amount valid? */
2346 switch (opnd->shifter.kind)
2347 {
2348 case AARCH64_MOD_LSL:
2349 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2350 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
2351 {
2352 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
2353 (size - 1) * 8);
2354 return 0;
2355 }
2356 if (!value_aligned_p (opnd->shifter.amount, 8))
2357 {
2358 set_unaligned_error (mismatch_detail, idx, 8);
2359 return 0;
2360 }
2361 break;
2362 case AARCH64_MOD_MSL:
2363 /* Only 8 and 16 are valid shift amount. */
2364 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
2365 {
2366 set_other_error (mismatch_detail, idx,
2367 _("shift amount must be 0 or 16"));
2368 return 0;
2369 }
2370 break;
2371 default:
2372 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2373 {
2374 set_other_error (mismatch_detail, idx,
2375 _("invalid shift operator"));
2376 return 0;
2377 }
2378 break;
2379 }
2380 break;
2381
2382 case AARCH64_OPND_FPIMM:
2383 case AARCH64_OPND_SIMD_FPIMM:
2384 case AARCH64_OPND_SVE_FPIMM8:
2385 if (opnd->imm.is_fp == 0)
2386 {
2387 set_other_error (mismatch_detail, idx,
2388 _("floating-point immediate expected"));
2389 return 0;
2390 }
2391 /* The value is expected to be an 8-bit floating-point constant with
2392 sign, 3-bit exponent and normalized 4 bits of precision, encoded
2393 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
2394 instruction). */
2395 if (!value_in_range_p (opnd->imm.value, 0, 255))
2396 {
2397 set_other_error (mismatch_detail, idx,
2398 _("immediate out of range"));
2399 return 0;
2400 }
2401 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2402 {
2403 set_other_error (mismatch_detail, idx,
2404 _("invalid shift operator"));
2405 return 0;
2406 }
2407 break;
2408
2409 case AARCH64_OPND_SVE_AIMM:
2410 min_value = 0;
2411 sve_aimm:
2412 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
2413 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2414 mask = ~((uint64_t) -1 << (size * 4) << (size * 4));
2415 uvalue = opnd->imm.value;
2416 shift = opnd->shifter.amount;
2417 if (size == 1)
2418 {
2419 if (shift != 0)
2420 {
2421 set_other_error (mismatch_detail, idx,
2422 _("no shift amount allowed for"
2423 " 8-bit constants"));
2424 return 0;
2425 }
2426 }
2427 else
2428 {
2429 if (shift != 0 && shift != 8)
2430 {
2431 set_other_error (mismatch_detail, idx,
2432 _("shift amount must be 0 or 8"));
2433 return 0;
2434 }
2435 if (shift == 0 && (uvalue & 0xff) == 0)
2436 {
2437 shift = 8;
2438 uvalue = (int64_t) uvalue / 256;
2439 }
2440 }
2441 mask >>= shift;
2442 if ((uvalue & mask) != uvalue && (uvalue | ~mask) != uvalue)
2443 {
2444 set_other_error (mismatch_detail, idx,
2445 _("immediate too big for element size"));
2446 return 0;
2447 }
2448 uvalue = (uvalue - min_value) & mask;
2449 if (uvalue > 0xff)
2450 {
2451 set_other_error (mismatch_detail, idx,
2452 _("invalid arithmetic immediate"));
2453 return 0;
2454 }
2455 break;
2456
2457 case AARCH64_OPND_SVE_ASIMM:
2458 min_value = -128;
2459 goto sve_aimm;
2460
2461 case AARCH64_OPND_SVE_I1_HALF_ONE:
2462 assert (opnd->imm.is_fp);
2463 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x3f800000)
2464 {
2465 set_other_error (mismatch_detail, idx,
2466 _("floating-point value must be 0.5 or 1.0"));
2467 return 0;
2468 }
2469 break;
2470
2471 case AARCH64_OPND_SVE_I1_HALF_TWO:
2472 assert (opnd->imm.is_fp);
2473 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x40000000)
2474 {
2475 set_other_error (mismatch_detail, idx,
2476 _("floating-point value must be 0.5 or 2.0"));
2477 return 0;
2478 }
2479 break;
2480
2481 case AARCH64_OPND_SVE_I1_ZERO_ONE:
2482 assert (opnd->imm.is_fp);
2483 if (opnd->imm.value != 0 && opnd->imm.value != 0x3f800000)
2484 {
2485 set_other_error (mismatch_detail, idx,
2486 _("floating-point value must be 0.0 or 1.0"));
2487 return 0;
2488 }
2489 break;
2490
2491 case AARCH64_OPND_SVE_INV_LIMM:
2492 {
2493 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2494 uint64_t uimm = ~opnd->imm.value;
2495 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2496 {
2497 set_other_error (mismatch_detail, idx,
2498 _("immediate out of range"));
2499 return 0;
2500 }
2501 }
2502 break;
2503
2504 case AARCH64_OPND_SVE_LIMM_MOV:
2505 {
2506 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2507 uint64_t uimm = opnd->imm.value;
2508 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2509 {
2510 set_other_error (mismatch_detail, idx,
2511 _("immediate out of range"));
2512 return 0;
2513 }
2514 if (!aarch64_sve_dupm_mov_immediate_p (uimm, esize))
2515 {
2516 set_other_error (mismatch_detail, idx,
2517 _("invalid replicated MOV immediate"));
2518 return 0;
2519 }
2520 }
2521 break;
2522
2523 case AARCH64_OPND_SVE_PATTERN_SCALED:
2524 assert (opnd->shifter.kind == AARCH64_MOD_MUL);
2525 if (!value_in_range_p (opnd->shifter.amount, 1, 16))
2526 {
2527 set_multiplier_out_of_range_error (mismatch_detail, idx, 1, 16);
2528 return 0;
2529 }
2530 break;
2531
2532 case AARCH64_OPND_SVE_SHLIMM_PRED:
2533 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
2534 case AARCH64_OPND_SVE_SHLIMM_UNPRED_22:
2535 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2536 if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1))
2537 {
2538 set_imm_out_of_range_error (mismatch_detail, idx,
2539 0, 8 * size - 1);
2540 return 0;
2541 }
2542 break;
2543
2544 case AARCH64_OPND_SVE_SHRIMM_PRED:
2545 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
2546 case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
2547 {
2548 unsigned int index =
2549 (type == AARCH64_OPND_SVE_SHRIMM_UNPRED_22) ? 2 : 1;
2550 size = aarch64_get_qualifier_esize (opnds[idx - index].qualifier);
2551 if (!value_in_range_p (opnd->imm.value, 1, 8 * size))
2552 {
2553 set_imm_out_of_range_error (mismatch_detail, idx, 1, 8*size);
2554 return 0;
2555 }
2556 break;
2557 }
2558
2559 default:
2560 break;
2561 }
2562 break;
2563
2564 case AARCH64_OPND_CLASS_SYSTEM:
2565 switch (type)
2566 {
2567 case AARCH64_OPND_PSTATEFIELD:
2568 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
2569 /* MSR UAO, #uimm4
2570 MSR PAN, #uimm4
2571 MSR SSBS,#uimm4
2572 The immediate must be #0 or #1. */
2573 if ((opnd->pstatefield == 0x03 /* UAO. */
2574 || opnd->pstatefield == 0x04 /* PAN. */
2575 || opnd->pstatefield == 0x19 /* SSBS. */
2576 || opnd->pstatefield == 0x1a) /* DIT. */
2577 && opnds[1].imm.value > 1)
2578 {
2579 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2580 return 0;
2581 }
2582 /* MSR SPSel, #uimm4
2583 Uses uimm4 as a control value to select the stack pointer: if
2584 bit 0 is set it selects the current exception level's stack
2585 pointer, if bit 0 is clear it selects shared EL0 stack pointer.
2586 Bits 1 to 3 of uimm4 are reserved and should be zero. */
2587 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
2588 {
2589 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2590 return 0;
2591 }
2592 break;
2593 default:
2594 break;
2595 }
2596 break;
2597
2598 case AARCH64_OPND_CLASS_SIMD_ELEMENT:
2599 /* Get the upper bound for the element index. */
2600 if (opcode->op == OP_FCMLA_ELEM)
2601 /* FCMLA index range depends on the vector size of other operands
2602 and is halfed because complex numbers take two elements. */
2603 num = aarch64_get_qualifier_nelem (opnds[0].qualifier)
2604 * aarch64_get_qualifier_esize (opnds[0].qualifier) / 2;
2605 else
2606 num = 16;
2607 num = num / aarch64_get_qualifier_esize (qualifier) - 1;
2608 assert (aarch64_get_qualifier_nelem (qualifier) == 1);
2609
2610 /* Index out-of-range. */
2611 if (!value_in_range_p (opnd->reglane.index, 0, num))
2612 {
2613 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2614 return 0;
2615 }
2616 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
2617 <Vm> Is the vector register (V0-V31) or (V0-V15), whose
2618 number is encoded in "size:M:Rm":
2619 size <Vm>
2620 00 RESERVED
2621 01 0:Rm
2622 10 M:Rm
2623 11 RESERVED */
2624 if (type == AARCH64_OPND_Em16 && qualifier == AARCH64_OPND_QLF_S_H
2625 && !value_in_range_p (opnd->reglane.regno, 0, 15))
2626 {
2627 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
2628 return 0;
2629 }
2630 break;
2631
2632 case AARCH64_OPND_CLASS_MODIFIED_REG:
2633 assert (idx == 1 || idx == 2);
2634 switch (type)
2635 {
2636 case AARCH64_OPND_Rm_EXT:
2637 if (!aarch64_extend_operator_p (opnd->shifter.kind)
2638 && opnd->shifter.kind != AARCH64_MOD_LSL)
2639 {
2640 set_other_error (mismatch_detail, idx,
2641 _("extend operator expected"));
2642 return 0;
2643 }
2644 /* It is not optional unless at least one of "Rd" or "Rn" is '11111'
2645 (i.e. SP), in which case it defaults to LSL. The LSL alias is
2646 only valid when "Rd" or "Rn" is '11111', and is preferred in that
2647 case. */
2648 if (!aarch64_stack_pointer_p (opnds + 0)
2649 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
2650 {
2651 if (!opnd->shifter.operator_present)
2652 {
2653 set_other_error (mismatch_detail, idx,
2654 _("missing extend operator"));
2655 return 0;
2656 }
2657 else if (opnd->shifter.kind == AARCH64_MOD_LSL)
2658 {
2659 set_other_error (mismatch_detail, idx,
2660 _("'LSL' operator not allowed"));
2661 return 0;
2662 }
2663 }
2664 assert (opnd->shifter.operator_present /* Default to LSL. */
2665 || opnd->shifter.kind == AARCH64_MOD_LSL);
2666 if (!value_in_range_p (opnd->shifter.amount, 0, 4))
2667 {
2668 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
2669 return 0;
2670 }
2671 /* In the 64-bit form, the final register operand is written as Wm
2672 for all but the (possibly omitted) UXTX/LSL and SXTX
2673 operators.
2674 N.B. GAS allows X register to be used with any operator as a
2675 programming convenience. */
2676 if (qualifier == AARCH64_OPND_QLF_X
2677 && opnd->shifter.kind != AARCH64_MOD_LSL
2678 && opnd->shifter.kind != AARCH64_MOD_UXTX
2679 && opnd->shifter.kind != AARCH64_MOD_SXTX)
2680 {
2681 set_other_error (mismatch_detail, idx, _("W register expected"));
2682 return 0;
2683 }
2684 break;
2685
2686 case AARCH64_OPND_Rm_SFT:
2687 /* ROR is not available to the shifted register operand in
2688 arithmetic instructions. */
2689 if (!aarch64_shift_operator_p (opnd->shifter.kind))
2690 {
2691 set_other_error (mismatch_detail, idx,
2692 _("shift operator expected"));
2693 return 0;
2694 }
2695 if (opnd->shifter.kind == AARCH64_MOD_ROR
2696 && opcode->iclass != log_shift)
2697 {
2698 set_other_error (mismatch_detail, idx,
2699 _("'ROR' operator not allowed"));
2700 return 0;
2701 }
2702 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
2703 if (!value_in_range_p (opnd->shifter.amount, 0, num))
2704 {
2705 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
2706 return 0;
2707 }
2708 break;
2709
2710 default:
2711 break;
2712 }
2713 break;
2714
2715 default:
2716 break;
2717 }
2718
2719 return 1;
2720 }
2721
2722 /* Main entrypoint for the operand constraint checking.
2723
2724 Return 1 if operands of *INST meet the constraint applied by the operand
2725 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
2726 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
2727 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
2728 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
2729 error kind when it is notified that an instruction does not pass the check).
2730
2731 Un-determined operand qualifiers may get established during the process. */
2732
2733 int
2734 aarch64_match_operands_constraint (aarch64_inst *inst,
2735 aarch64_operand_error *mismatch_detail)
2736 {
2737 int i;
2738
2739 DEBUG_TRACE ("enter");
2740
2741 /* Check for cases where a source register needs to be the same as the
2742 destination register. Do this before matching qualifiers since if
2743 an instruction has both invalid tying and invalid qualifiers,
2744 the error about qualifiers would suggest several alternative
2745 instructions that also have invalid tying. */
2746 i = inst->opcode->tied_operand;
2747 if (i > 0 && (inst->operands[0].reg.regno != inst->operands[i].reg.regno))
2748 {
2749 if (mismatch_detail)
2750 {
2751 mismatch_detail->kind = AARCH64_OPDE_UNTIED_OPERAND;
2752 mismatch_detail->index = i;
2753 mismatch_detail->error = NULL;
2754 }
2755 return 0;
2756 }
2757
2758 /* Match operands' qualifier.
2759 *INST has already had qualifier establish for some, if not all, of
2760 its operands; we need to find out whether these established
2761 qualifiers match one of the qualifier sequence in
2762 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
2763 with the corresponding qualifier in such a sequence.
2764 Only basic operand constraint checking is done here; the more thorough
2765 constraint checking will carried out by operand_general_constraint_met_p,
2766 which has be to called after this in order to get all of the operands'
2767 qualifiers established. */
2768 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
2769 {
2770 DEBUG_TRACE ("FAIL on operand qualifier matching");
2771 if (mismatch_detail)
2772 {
2773 /* Return an error type to indicate that it is the qualifier
2774 matching failure; we don't care about which operand as there
2775 are enough information in the opcode table to reproduce it. */
2776 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
2777 mismatch_detail->index = -1;
2778 mismatch_detail->error = NULL;
2779 }
2780 return 0;
2781 }
2782
2783 /* Match operands' constraint. */
2784 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2785 {
2786 enum aarch64_opnd type = inst->opcode->operands[i];
2787 if (type == AARCH64_OPND_NIL)
2788 break;
2789 if (inst->operands[i].skip)
2790 {
2791 DEBUG_TRACE ("skip the incomplete operand %d", i);
2792 continue;
2793 }
2794 if (operand_general_constraint_met_p (inst->operands, i, type,
2795 inst->opcode, mismatch_detail) == 0)
2796 {
2797 DEBUG_TRACE ("FAIL on operand %d", i);
2798 return 0;
2799 }
2800 }
2801
2802 DEBUG_TRACE ("PASS");
2803
2804 return 1;
2805 }
2806
2807 /* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
2808 Also updates the TYPE of each INST->OPERANDS with the corresponding
2809 value of OPCODE->OPERANDS.
2810
2811 Note that some operand qualifiers may need to be manually cleared by
2812 the caller before it further calls the aarch64_opcode_encode; by
2813 doing this, it helps the qualifier matching facilities work
2814 properly. */
2815
2816 const aarch64_opcode*
2817 aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
2818 {
2819 int i;
2820 const aarch64_opcode *old = inst->opcode;
2821
2822 inst->opcode = opcode;
2823
2824 /* Update the operand types. */
2825 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2826 {
2827 inst->operands[i].type = opcode->operands[i];
2828 if (opcode->operands[i] == AARCH64_OPND_NIL)
2829 break;
2830 }
2831
2832 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
2833
2834 return old;
2835 }
2836
2837 int
2838 aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
2839 {
2840 int i;
2841 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2842 if (operands[i] == operand)
2843 return i;
2844 else if (operands[i] == AARCH64_OPND_NIL)
2845 break;
2846 return -1;
2847 }
2848 \f
2849 /* R0...R30, followed by FOR31. */
2850 #define BANK(R, FOR31) \
2851 { R (0), R (1), R (2), R (3), R (4), R (5), R (6), R (7), \
2852 R (8), R (9), R (10), R (11), R (12), R (13), R (14), R (15), \
2853 R (16), R (17), R (18), R (19), R (20), R (21), R (22), R (23), \
2854 R (24), R (25), R (26), R (27), R (28), R (29), R (30), FOR31 }
2855 /* [0][0] 32-bit integer regs with sp Wn
2856 [0][1] 64-bit integer regs with sp Xn sf=1
2857 [1][0] 32-bit integer regs with #0 Wn
2858 [1][1] 64-bit integer regs with #0 Xn sf=1 */
2859 static const char *int_reg[2][2][32] = {
2860 #define R32(X) "w" #X
2861 #define R64(X) "x" #X
2862 { BANK (R32, "wsp"), BANK (R64, "sp") },
2863 { BANK (R32, "wzr"), BANK (R64, "xzr") }
2864 #undef R64
2865 #undef R32
2866 };
2867
2868 /* Names of the SVE vector registers, first with .S suffixes,
2869 then with .D suffixes. */
2870
2871 static const char *sve_reg[2][32] = {
2872 #define ZS(X) "z" #X ".s"
2873 #define ZD(X) "z" #X ".d"
2874 BANK (ZS, ZS (31)), BANK (ZD, ZD (31))
2875 #undef ZD
2876 #undef ZS
2877 };
2878 #undef BANK
2879
2880 /* Return the integer register name.
2881 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
2882
2883 static inline const char *
2884 get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
2885 {
2886 const int has_zr = sp_reg_p ? 0 : 1;
2887 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
2888 return int_reg[has_zr][is_64][regno];
2889 }
2890
2891 /* Like get_int_reg_name, but IS_64 is always 1. */
2892
2893 static inline const char *
2894 get_64bit_int_reg_name (int regno, int sp_reg_p)
2895 {
2896 const int has_zr = sp_reg_p ? 0 : 1;
2897 return int_reg[has_zr][1][regno];
2898 }
2899
2900 /* Get the name of the integer offset register in OPND, using the shift type
2901 to decide whether it's a word or doubleword. */
2902
2903 static inline const char *
2904 get_offset_int_reg_name (const aarch64_opnd_info *opnd)
2905 {
2906 switch (opnd->shifter.kind)
2907 {
2908 case AARCH64_MOD_UXTW:
2909 case AARCH64_MOD_SXTW:
2910 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_W, 0);
2911
2912 case AARCH64_MOD_LSL:
2913 case AARCH64_MOD_SXTX:
2914 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_X, 0);
2915
2916 default:
2917 abort ();
2918 }
2919 }
2920
2921 /* Get the name of the SVE vector offset register in OPND, using the operand
2922 qualifier to decide whether the suffix should be .S or .D. */
2923
2924 static inline const char *
2925 get_addr_sve_reg_name (int regno, aarch64_opnd_qualifier_t qualifier)
2926 {
2927 assert (qualifier == AARCH64_OPND_QLF_S_S
2928 || qualifier == AARCH64_OPND_QLF_S_D);
2929 return sve_reg[qualifier == AARCH64_OPND_QLF_S_D][regno];
2930 }
2931
2932 /* Types for expanding an encoded 8-bit value to a floating-point value. */
2933
2934 typedef union
2935 {
2936 uint64_t i;
2937 double d;
2938 } double_conv_t;
2939
2940 typedef union
2941 {
2942 uint32_t i;
2943 float f;
2944 } single_conv_t;
2945
2946 typedef union
2947 {
2948 uint32_t i;
2949 float f;
2950 } half_conv_t;
2951
2952 /* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
2953 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
2954 (depending on the type of the instruction). IMM8 will be expanded to a
2955 single-precision floating-point value (SIZE == 4) or a double-precision
2956 floating-point value (SIZE == 8). A half-precision floating-point value
2957 (SIZE == 2) is expanded to a single-precision floating-point value. The
2958 expanded value is returned. */
2959
2960 static uint64_t
2961 expand_fp_imm (int size, uint32_t imm8)
2962 {
2963 uint64_t imm = 0;
2964 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
2965
2966 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
2967 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
2968 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
2969 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
2970 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
2971 if (size == 8)
2972 {
2973 imm = (imm8_7 << (63-32)) /* imm8<7> */
2974 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
2975 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
2976 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
2977 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
2978 imm <<= 32;
2979 }
2980 else if (size == 4 || size == 2)
2981 {
2982 imm = (imm8_7 << 31) /* imm8<7> */
2983 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
2984 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
2985 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
2986 }
2987 else
2988 {
2989 /* An unsupported size. */
2990 assert (0);
2991 }
2992
2993 return imm;
2994 }
2995
2996 /* Produce the string representation of the register list operand *OPND
2997 in the buffer pointed by BUF of size SIZE. PREFIX is the part of
2998 the register name that comes before the register number, such as "v". */
2999 static void
3000 print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd,
3001 const char *prefix)
3002 {
3003 const int num_regs = opnd->reglist.num_regs;
3004 const int first_reg = opnd->reglist.first_regno;
3005 const int last_reg = (first_reg + num_regs - 1) & 0x1f;
3006 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
3007 char tb[8]; /* Temporary buffer. */
3008
3009 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
3010 assert (num_regs >= 1 && num_regs <= 4);
3011
3012 /* Prepare the index if any. */
3013 if (opnd->reglist.has_index)
3014 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3015 snprintf (tb, 8, "[%" PRIi64 "]", (opnd->reglist.index % 100));
3016 else
3017 tb[0] = '\0';
3018
3019 /* The hyphenated form is preferred for disassembly if there are
3020 more than two registers in the list, and the register numbers
3021 are monotonically increasing in increments of one. */
3022 if (num_regs > 2 && last_reg > first_reg)
3023 snprintf (buf, size, "{%s%d.%s-%s%d.%s}%s", prefix, first_reg, qlf_name,
3024 prefix, last_reg, qlf_name, tb);
3025 else
3026 {
3027 const int reg0 = first_reg;
3028 const int reg1 = (first_reg + 1) & 0x1f;
3029 const int reg2 = (first_reg + 2) & 0x1f;
3030 const int reg3 = (first_reg + 3) & 0x1f;
3031
3032 switch (num_regs)
3033 {
3034 case 1:
3035 snprintf (buf, size, "{%s%d.%s}%s", prefix, reg0, qlf_name, tb);
3036 break;
3037 case 2:
3038 snprintf (buf, size, "{%s%d.%s, %s%d.%s}%s", prefix, reg0, qlf_name,
3039 prefix, reg1, qlf_name, tb);
3040 break;
3041 case 3:
3042 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s}%s",
3043 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3044 prefix, reg2, qlf_name, tb);
3045 break;
3046 case 4:
3047 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s, %s%d.%s}%s",
3048 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3049 prefix, reg2, qlf_name, prefix, reg3, qlf_name, tb);
3050 break;
3051 }
3052 }
3053 }
3054
3055 /* Print the register+immediate address in OPND to BUF, which has SIZE
3056 characters. BASE is the name of the base register. */
3057
3058 static void
3059 print_immediate_offset_address (char *buf, size_t size,
3060 const aarch64_opnd_info *opnd,
3061 const char *base)
3062 {
3063 if (opnd->addr.writeback)
3064 {
3065 if (opnd->addr.preind)
3066 {
3067 if (opnd->type == AARCH64_OPND_ADDR_SIMM10 && !opnd->addr.offset.imm)
3068 snprintf (buf, size, "[%s]!", base);
3069 else
3070 snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
3071 }
3072 else
3073 snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm);
3074 }
3075 else
3076 {
3077 if (opnd->shifter.operator_present)
3078 {
3079 assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL);
3080 snprintf (buf, size, "[%s, #%d, mul vl]",
3081 base, opnd->addr.offset.imm);
3082 }
3083 else if (opnd->addr.offset.imm)
3084 snprintf (buf, size, "[%s, #%d]", base, opnd->addr.offset.imm);
3085 else
3086 snprintf (buf, size, "[%s]", base);
3087 }
3088 }
3089
3090 /* Produce the string representation of the register offset address operand
3091 *OPND in the buffer pointed by BUF of size SIZE. BASE and OFFSET are
3092 the names of the base and offset registers. */
3093 static void
3094 print_register_offset_address (char *buf, size_t size,
3095 const aarch64_opnd_info *opnd,
3096 const char *base, const char *offset)
3097 {
3098 char tb[16]; /* Temporary buffer. */
3099 bfd_boolean print_extend_p = TRUE;
3100 bfd_boolean print_amount_p = TRUE;
3101 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
3102
3103 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
3104 || !opnd->shifter.amount_present))
3105 {
3106 /* Not print the shift/extend amount when the amount is zero and
3107 when it is not the special case of 8-bit load/store instruction. */
3108 print_amount_p = FALSE;
3109 /* Likewise, no need to print the shift operator LSL in such a
3110 situation. */
3111 if (opnd->shifter.kind == AARCH64_MOD_LSL)
3112 print_extend_p = FALSE;
3113 }
3114
3115 /* Prepare for the extend/shift. */
3116 if (print_extend_p)
3117 {
3118 if (print_amount_p)
3119 snprintf (tb, sizeof (tb), ", %s #%" PRIi64, shift_name,
3120 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3121 (opnd->shifter.amount % 100));
3122 else
3123 snprintf (tb, sizeof (tb), ", %s", shift_name);
3124 }
3125 else
3126 tb[0] = '\0';
3127
3128 snprintf (buf, size, "[%s, %s%s]", base, offset, tb);
3129 }
3130
3131 /* Generate the string representation of the operand OPNDS[IDX] for OPCODE
3132 in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
3133 PC, PCREL_P and ADDRESS are used to pass in and return information about
3134 the PC-relative address calculation, where the PC value is passed in
3135 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
3136 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
3137 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
3138
3139 The function serves both the disassembler and the assembler diagnostics
3140 issuer, which is the reason why it lives in this file. */
3141
3142 void
3143 aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
3144 const aarch64_opcode *opcode,
3145 const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
3146 bfd_vma *address, char** notes)
3147 {
3148 unsigned int i, num_conds;
3149 const char *name = NULL;
3150 const aarch64_opnd_info *opnd = opnds + idx;
3151 enum aarch64_modifier_kind kind;
3152 uint64_t addr, enum_value;
3153
3154 buf[0] = '\0';
3155 if (pcrel_p)
3156 *pcrel_p = 0;
3157
3158 switch (opnd->type)
3159 {
3160 case AARCH64_OPND_Rd:
3161 case AARCH64_OPND_Rn:
3162 case AARCH64_OPND_Rm:
3163 case AARCH64_OPND_Rt:
3164 case AARCH64_OPND_Rt2:
3165 case AARCH64_OPND_Rs:
3166 case AARCH64_OPND_Ra:
3167 case AARCH64_OPND_Rt_SYS:
3168 case AARCH64_OPND_PAIRREG:
3169 case AARCH64_OPND_SVE_Rm:
3170 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
3171 the <ic_op>, therefore we use opnd->present to override the
3172 generic optional-ness information. */
3173 if (opnd->type == AARCH64_OPND_Rt_SYS)
3174 {
3175 if (!opnd->present)
3176 break;
3177 }
3178 /* Omit the operand, e.g. RET. */
3179 else if (optional_operand_p (opcode, idx)
3180 && (opnd->reg.regno
3181 == get_optional_operand_default_value (opcode)))
3182 break;
3183 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3184 || opnd->qualifier == AARCH64_OPND_QLF_X);
3185 snprintf (buf, size, "%s",
3186 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3187 break;
3188
3189 case AARCH64_OPND_Rd_SP:
3190 case AARCH64_OPND_Rn_SP:
3191 case AARCH64_OPND_Rt_SP:
3192 case AARCH64_OPND_SVE_Rn_SP:
3193 case AARCH64_OPND_Rm_SP:
3194 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3195 || opnd->qualifier == AARCH64_OPND_QLF_WSP
3196 || opnd->qualifier == AARCH64_OPND_QLF_X
3197 || opnd->qualifier == AARCH64_OPND_QLF_SP);
3198 snprintf (buf, size, "%s",
3199 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
3200 break;
3201
3202 case AARCH64_OPND_Rm_EXT:
3203 kind = opnd->shifter.kind;
3204 assert (idx == 1 || idx == 2);
3205 if ((aarch64_stack_pointer_p (opnds)
3206 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
3207 && ((opnd->qualifier == AARCH64_OPND_QLF_W
3208 && opnds[0].qualifier == AARCH64_OPND_QLF_W
3209 && kind == AARCH64_MOD_UXTW)
3210 || (opnd->qualifier == AARCH64_OPND_QLF_X
3211 && kind == AARCH64_MOD_UXTX)))
3212 {
3213 /* 'LSL' is the preferred form in this case. */
3214 kind = AARCH64_MOD_LSL;
3215 if (opnd->shifter.amount == 0)
3216 {
3217 /* Shifter omitted. */
3218 snprintf (buf, size, "%s",
3219 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3220 break;
3221 }
3222 }
3223 if (opnd->shifter.amount)
3224 snprintf (buf, size, "%s, %s #%" PRIi64,
3225 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3226 aarch64_operand_modifiers[kind].name,
3227 opnd->shifter.amount);
3228 else
3229 snprintf (buf, size, "%s, %s",
3230 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3231 aarch64_operand_modifiers[kind].name);
3232 break;
3233
3234 case AARCH64_OPND_Rm_SFT:
3235 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3236 || opnd->qualifier == AARCH64_OPND_QLF_X);
3237 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
3238 snprintf (buf, size, "%s",
3239 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3240 else
3241 snprintf (buf, size, "%s, %s #%" PRIi64,
3242 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3243 aarch64_operand_modifiers[opnd->shifter.kind].name,
3244 opnd->shifter.amount);
3245 break;
3246
3247 case AARCH64_OPND_Fd:
3248 case AARCH64_OPND_Fn:
3249 case AARCH64_OPND_Fm:
3250 case AARCH64_OPND_Fa:
3251 case AARCH64_OPND_Ft:
3252 case AARCH64_OPND_Ft2:
3253 case AARCH64_OPND_Sd:
3254 case AARCH64_OPND_Sn:
3255 case AARCH64_OPND_Sm:
3256 case AARCH64_OPND_SVE_VZn:
3257 case AARCH64_OPND_SVE_Vd:
3258 case AARCH64_OPND_SVE_Vm:
3259 case AARCH64_OPND_SVE_Vn:
3260 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
3261 opnd->reg.regno);
3262 break;
3263
3264 case AARCH64_OPND_Va:
3265 case AARCH64_OPND_Vd:
3266 case AARCH64_OPND_Vn:
3267 case AARCH64_OPND_Vm:
3268 snprintf (buf, size, "v%d.%s", opnd->reg.regno,
3269 aarch64_get_qualifier_name (opnd->qualifier));
3270 break;
3271
3272 case AARCH64_OPND_Ed:
3273 case AARCH64_OPND_En:
3274 case AARCH64_OPND_Em:
3275 case AARCH64_OPND_Em16:
3276 case AARCH64_OPND_SM3_IMM2:
3277 snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3278 aarch64_get_qualifier_name (opnd->qualifier),
3279 opnd->reglane.index);
3280 break;
3281
3282 case AARCH64_OPND_VdD1:
3283 case AARCH64_OPND_VnD1:
3284 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
3285 break;
3286
3287 case AARCH64_OPND_LVn:
3288 case AARCH64_OPND_LVt:
3289 case AARCH64_OPND_LVt_AL:
3290 case AARCH64_OPND_LEt:
3291 print_register_list (buf, size, opnd, "v");
3292 break;
3293
3294 case AARCH64_OPND_SVE_Pd:
3295 case AARCH64_OPND_SVE_Pg3:
3296 case AARCH64_OPND_SVE_Pg4_5:
3297 case AARCH64_OPND_SVE_Pg4_10:
3298 case AARCH64_OPND_SVE_Pg4_16:
3299 case AARCH64_OPND_SVE_Pm:
3300 case AARCH64_OPND_SVE_Pn:
3301 case AARCH64_OPND_SVE_Pt:
3302 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3303 snprintf (buf, size, "p%d", opnd->reg.regno);
3304 else if (opnd->qualifier == AARCH64_OPND_QLF_P_Z
3305 || opnd->qualifier == AARCH64_OPND_QLF_P_M)
3306 snprintf (buf, size, "p%d/%s", opnd->reg.regno,
3307 aarch64_get_qualifier_name (opnd->qualifier));
3308 else
3309 snprintf (buf, size, "p%d.%s", opnd->reg.regno,
3310 aarch64_get_qualifier_name (opnd->qualifier));
3311 break;
3312
3313 case AARCH64_OPND_SVE_Za_5:
3314 case AARCH64_OPND_SVE_Za_16:
3315 case AARCH64_OPND_SVE_Zd:
3316 case AARCH64_OPND_SVE_Zm_5:
3317 case AARCH64_OPND_SVE_Zm_16:
3318 case AARCH64_OPND_SVE_Zn:
3319 case AARCH64_OPND_SVE_Zt:
3320 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3321 snprintf (buf, size, "z%d", opnd->reg.regno);
3322 else
3323 snprintf (buf, size, "z%d.%s", opnd->reg.regno,
3324 aarch64_get_qualifier_name (opnd->qualifier));
3325 break;
3326
3327 case AARCH64_OPND_SVE_ZnxN:
3328 case AARCH64_OPND_SVE_ZtxN:
3329 print_register_list (buf, size, opnd, "z");
3330 break;
3331
3332 case AARCH64_OPND_SVE_Zm3_INDEX:
3333 case AARCH64_OPND_SVE_Zm3_22_INDEX:
3334 case AARCH64_OPND_SVE_Zm3_11_INDEX:
3335 case AARCH64_OPND_SVE_Zm4_11_INDEX:
3336 case AARCH64_OPND_SVE_Zm4_INDEX:
3337 case AARCH64_OPND_SVE_Zn_INDEX:
3338 snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3339 aarch64_get_qualifier_name (opnd->qualifier),
3340 opnd->reglane.index);
3341 break;
3342
3343 case AARCH64_OPND_CRn:
3344 case AARCH64_OPND_CRm:
3345 snprintf (buf, size, "C%" PRIi64, opnd->imm.value);
3346 break;
3347
3348 case AARCH64_OPND_IDX:
3349 case AARCH64_OPND_MASK:
3350 case AARCH64_OPND_IMM:
3351 case AARCH64_OPND_IMM_2:
3352 case AARCH64_OPND_WIDTH:
3353 case AARCH64_OPND_UIMM3_OP1:
3354 case AARCH64_OPND_UIMM3_OP2:
3355 case AARCH64_OPND_BIT_NUM:
3356 case AARCH64_OPND_IMM_VLSL:
3357 case AARCH64_OPND_IMM_VLSR:
3358 case AARCH64_OPND_SHLL_IMM:
3359 case AARCH64_OPND_IMM0:
3360 case AARCH64_OPND_IMMR:
3361 case AARCH64_OPND_IMMS:
3362 case AARCH64_OPND_FBITS:
3363 case AARCH64_OPND_TME_UIMM16:
3364 case AARCH64_OPND_SIMM5:
3365 case AARCH64_OPND_SVE_SHLIMM_PRED:
3366 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
3367 case AARCH64_OPND_SVE_SHLIMM_UNPRED_22:
3368 case AARCH64_OPND_SVE_SHRIMM_PRED:
3369 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
3370 case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
3371 case AARCH64_OPND_SVE_SIMM5:
3372 case AARCH64_OPND_SVE_SIMM5B:
3373 case AARCH64_OPND_SVE_SIMM6:
3374 case AARCH64_OPND_SVE_SIMM8:
3375 case AARCH64_OPND_SVE_UIMM3:
3376 case AARCH64_OPND_SVE_UIMM7:
3377 case AARCH64_OPND_SVE_UIMM8:
3378 case AARCH64_OPND_SVE_UIMM8_53:
3379 case AARCH64_OPND_IMM_ROT1:
3380 case AARCH64_OPND_IMM_ROT2:
3381 case AARCH64_OPND_IMM_ROT3:
3382 case AARCH64_OPND_SVE_IMM_ROT1:
3383 case AARCH64_OPND_SVE_IMM_ROT2:
3384 case AARCH64_OPND_SVE_IMM_ROT3:
3385 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3386 break;
3387
3388 case AARCH64_OPND_SVE_I1_HALF_ONE:
3389 case AARCH64_OPND_SVE_I1_HALF_TWO:
3390 case AARCH64_OPND_SVE_I1_ZERO_ONE:
3391 {
3392 single_conv_t c;
3393 c.i = opnd->imm.value;
3394 snprintf (buf, size, "#%.1f", c.f);
3395 break;
3396 }
3397
3398 case AARCH64_OPND_SVE_PATTERN:
3399 if (optional_operand_p (opcode, idx)
3400 && opnd->imm.value == get_optional_operand_default_value (opcode))
3401 break;
3402 enum_value = opnd->imm.value;
3403 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3404 if (aarch64_sve_pattern_array[enum_value])
3405 snprintf (buf, size, "%s", aarch64_sve_pattern_array[enum_value]);
3406 else
3407 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3408 break;
3409
3410 case AARCH64_OPND_SVE_PATTERN_SCALED:
3411 if (optional_operand_p (opcode, idx)
3412 && !opnd->shifter.operator_present
3413 && opnd->imm.value == get_optional_operand_default_value (opcode))
3414 break;
3415 enum_value = opnd->imm.value;
3416 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3417 if (aarch64_sve_pattern_array[opnd->imm.value])
3418 snprintf (buf, size, "%s", aarch64_sve_pattern_array[opnd->imm.value]);
3419 else
3420 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3421 if (opnd->shifter.operator_present)
3422 {
3423 size_t len = strlen (buf);
3424 snprintf (buf + len, size - len, ", %s #%" PRIi64,
3425 aarch64_operand_modifiers[opnd->shifter.kind].name,
3426 opnd->shifter.amount);
3427 }
3428 break;
3429
3430 case AARCH64_OPND_SVE_PRFOP:
3431 enum_value = opnd->imm.value;
3432 assert (enum_value < ARRAY_SIZE (aarch64_sve_prfop_array));
3433 if (aarch64_sve_prfop_array[enum_value])
3434 snprintf (buf, size, "%s", aarch64_sve_prfop_array[enum_value]);
3435 else
3436 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3437 break;
3438
3439 case AARCH64_OPND_IMM_MOV:
3440 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3441 {
3442 case 4: /* e.g. MOV Wd, #<imm32>. */
3443 {
3444 int imm32 = opnd->imm.value;
3445 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
3446 }
3447 break;
3448 case 8: /* e.g. MOV Xd, #<imm64>. */
3449 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
3450 opnd->imm.value, opnd->imm.value);
3451 break;
3452 default: assert (0);
3453 }
3454 break;
3455
3456 case AARCH64_OPND_FPIMM0:
3457 snprintf (buf, size, "#0.0");
3458 break;
3459
3460 case AARCH64_OPND_LIMM:
3461 case AARCH64_OPND_AIMM:
3462 case AARCH64_OPND_HALF:
3463 case AARCH64_OPND_SVE_INV_LIMM:
3464 case AARCH64_OPND_SVE_LIMM:
3465 case AARCH64_OPND_SVE_LIMM_MOV:
3466 if (opnd->shifter.amount)
3467 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%" PRIi64, opnd->imm.value,
3468 opnd->shifter.amount);
3469 else
3470 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3471 break;
3472
3473 case AARCH64_OPND_SIMD_IMM:
3474 case AARCH64_OPND_SIMD_IMM_SFT:
3475 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
3476 || opnd->shifter.kind == AARCH64_MOD_NONE)
3477 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3478 else
3479 snprintf (buf, size, "#0x%" PRIx64 ", %s #%" PRIi64, opnd->imm.value,
3480 aarch64_operand_modifiers[opnd->shifter.kind].name,
3481 opnd->shifter.amount);
3482 break;
3483
3484 case AARCH64_OPND_SVE_AIMM:
3485 case AARCH64_OPND_SVE_ASIMM:
3486 if (opnd->shifter.amount)
3487 snprintf (buf, size, "#%" PRIi64 ", lsl #%" PRIi64, opnd->imm.value,
3488 opnd->shifter.amount);
3489 else
3490 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3491 break;
3492
3493 case AARCH64_OPND_FPIMM:
3494 case AARCH64_OPND_SIMD_FPIMM:
3495 case AARCH64_OPND_SVE_FPIMM8:
3496 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3497 {
3498 case 2: /* e.g. FMOV <Hd>, #<imm>. */
3499 {
3500 half_conv_t c;
3501 c.i = expand_fp_imm (2, opnd->imm.value);
3502 snprintf (buf, size, "#%.18e", c.f);
3503 }
3504 break;
3505 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
3506 {
3507 single_conv_t c;
3508 c.i = expand_fp_imm (4, opnd->imm.value);
3509 snprintf (buf, size, "#%.18e", c.f);
3510 }
3511 break;
3512 case 8: /* e.g. FMOV <Sd>, #<imm>. */
3513 {
3514 double_conv_t c;
3515 c.i = expand_fp_imm (8, opnd->imm.value);
3516 snprintf (buf, size, "#%.18e", c.d);
3517 }
3518 break;
3519 default: assert (0);
3520 }
3521 break;
3522
3523 case AARCH64_OPND_CCMP_IMM:
3524 case AARCH64_OPND_NZCV:
3525 case AARCH64_OPND_EXCEPTION:
3526 case AARCH64_OPND_UIMM4:
3527 case AARCH64_OPND_UIMM4_ADDG:
3528 case AARCH64_OPND_UIMM7:
3529 case AARCH64_OPND_UIMM10:
3530 if (optional_operand_p (opcode, idx) == TRUE
3531 && (opnd->imm.value ==
3532 (int64_t) get_optional_operand_default_value (opcode)))
3533 /* Omit the operand, e.g. DCPS1. */
3534 break;
3535 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
3536 break;
3537
3538 case AARCH64_OPND_COND:
3539 case AARCH64_OPND_COND1:
3540 snprintf (buf, size, "%s", opnd->cond->names[0]);
3541 num_conds = ARRAY_SIZE (opnd->cond->names);
3542 for (i = 1; i < num_conds && opnd->cond->names[i]; ++i)
3543 {
3544 size_t len = strlen (buf);
3545 if (i == 1)
3546 snprintf (buf + len, size - len, " // %s = %s",
3547 opnd->cond->names[0], opnd->cond->names[i]);
3548 else
3549 snprintf (buf + len, size - len, ", %s",
3550 opnd->cond->names[i]);
3551 }
3552 break;
3553
3554 case AARCH64_OPND_ADDR_ADRP:
3555 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
3556 + opnd->imm.value;
3557 if (pcrel_p)
3558 *pcrel_p = 1;
3559 if (address)
3560 *address = addr;
3561 /* This is not necessary during the disassembling, as print_address_func
3562 in the disassemble_info will take care of the printing. But some
3563 other callers may be still interested in getting the string in *STR,
3564 so here we do snprintf regardless. */
3565 snprintf (buf, size, "#0x%" PRIx64, addr);
3566 break;
3567
3568 case AARCH64_OPND_ADDR_PCREL14:
3569 case AARCH64_OPND_ADDR_PCREL19:
3570 case AARCH64_OPND_ADDR_PCREL21:
3571 case AARCH64_OPND_ADDR_PCREL26:
3572 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
3573 if (pcrel_p)
3574 *pcrel_p = 1;
3575 if (address)
3576 *address = addr;
3577 /* This is not necessary during the disassembling, as print_address_func
3578 in the disassemble_info will take care of the printing. But some
3579 other callers may be still interested in getting the string in *STR,
3580 so here we do snprintf regardless. */
3581 snprintf (buf, size, "#0x%" PRIx64, addr);
3582 break;
3583
3584 case AARCH64_OPND_ADDR_SIMPLE:
3585 case AARCH64_OPND_SIMD_ADDR_SIMPLE:
3586 case AARCH64_OPND_SIMD_ADDR_POST:
3587 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3588 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
3589 {
3590 if (opnd->addr.offset.is_reg)
3591 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
3592 else
3593 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
3594 }
3595 else
3596 snprintf (buf, size, "[%s]", name);
3597 break;
3598
3599 case AARCH64_OPND_ADDR_REGOFF:
3600 case AARCH64_OPND_SVE_ADDR_R:
3601 case AARCH64_OPND_SVE_ADDR_RR:
3602 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
3603 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
3604 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
3605 case AARCH64_OPND_SVE_ADDR_RX:
3606 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
3607 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
3608 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
3609 print_register_offset_address
3610 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3611 get_offset_int_reg_name (opnd));
3612 break;
3613
3614 case AARCH64_OPND_SVE_ADDR_ZX:
3615 print_register_offset_address
3616 (buf, size, opnd,
3617 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3618 get_64bit_int_reg_name (opnd->addr.offset.regno, 0));
3619 break;
3620
3621 case AARCH64_OPND_SVE_ADDR_RZ:
3622 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
3623 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
3624 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
3625 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
3626 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
3627 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
3628 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
3629 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
3630 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
3631 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
3632 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
3633 print_register_offset_address
3634 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3635 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3636 break;
3637
3638 case AARCH64_OPND_ADDR_SIMM7:
3639 case AARCH64_OPND_ADDR_SIMM9:
3640 case AARCH64_OPND_ADDR_SIMM9_2:
3641 case AARCH64_OPND_ADDR_SIMM10:
3642 case AARCH64_OPND_ADDR_SIMM11:
3643 case AARCH64_OPND_ADDR_SIMM13:
3644 case AARCH64_OPND_ADDR_OFFSET:
3645 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
3646 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
3647 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
3648 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
3649 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
3650 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
3651 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
3652 case AARCH64_OPND_SVE_ADDR_RI_U6:
3653 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
3654 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
3655 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
3656 print_immediate_offset_address
3657 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1));
3658 break;
3659
3660 case AARCH64_OPND_SVE_ADDR_ZI_U5:
3661 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
3662 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
3663 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
3664 print_immediate_offset_address
3665 (buf, size, opnd,
3666 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier));
3667 break;
3668
3669 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
3670 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
3671 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
3672 print_register_offset_address
3673 (buf, size, opnd,
3674 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3675 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3676 break;
3677
3678 case AARCH64_OPND_ADDR_UIMM12:
3679 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3680 if (opnd->addr.offset.imm)
3681 snprintf (buf, size, "[%s, #%d]", name, opnd->addr.offset.imm);
3682 else
3683 snprintf (buf, size, "[%s]", name);
3684 break;
3685
3686 case AARCH64_OPND_SYSREG:
3687 for (i = 0; aarch64_sys_regs[i].name; ++i)
3688 {
3689 bfd_boolean exact_match
3690 = (aarch64_sys_regs[i].flags & opnd->sysreg.flags)
3691 == opnd->sysreg.flags;
3692
3693 /* Try and find an exact match, But if that fails, return the first
3694 partial match that was found. */
3695 if (aarch64_sys_regs[i].value == opnd->sysreg.value
3696 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i])
3697 && (name == NULL || exact_match))
3698 {
3699 name = aarch64_sys_regs[i].name;
3700 if (exact_match)
3701 {
3702 if (notes)
3703 *notes = NULL;
3704 break;
3705 }
3706
3707 /* If we didn't match exactly, that means the presense of a flag
3708 indicates what we didn't want for this instruction. e.g. If
3709 F_REG_READ is there, that means we were looking for a write
3710 register. See aarch64_ext_sysreg. */
3711 if (aarch64_sys_regs[i].flags & F_REG_WRITE)
3712 *notes = _("reading from a write-only register");
3713 else if (aarch64_sys_regs[i].flags & F_REG_READ)
3714 *notes = _("writing to a read-only register");
3715 }
3716 }
3717
3718 if (name)
3719 snprintf (buf, size, "%s", name);
3720 else
3721 {
3722 /* Implementation defined system register. */
3723 unsigned int value = opnd->sysreg.value;
3724 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
3725 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
3726 value & 0x7);
3727 }
3728 break;
3729
3730 case AARCH64_OPND_PSTATEFIELD:
3731 for (i = 0; aarch64_pstatefields[i].name; ++i)
3732 if (aarch64_pstatefields[i].value == opnd->pstatefield)
3733 break;
3734 assert (aarch64_pstatefields[i].name);
3735 snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
3736 break;
3737
3738 case AARCH64_OPND_SYSREG_AT:
3739 case AARCH64_OPND_SYSREG_DC:
3740 case AARCH64_OPND_SYSREG_IC:
3741 case AARCH64_OPND_SYSREG_TLBI:
3742 case AARCH64_OPND_SYSREG_SR:
3743 snprintf (buf, size, "%s", opnd->sysins_op->name);
3744 break;
3745
3746 case AARCH64_OPND_BARRIER:
3747 snprintf (buf, size, "%s", opnd->barrier->name);
3748 break;
3749
3750 case AARCH64_OPND_BARRIER_ISB:
3751 /* Operand can be omitted, e.g. in DCPS1. */
3752 if (! optional_operand_p (opcode, idx)
3753 || (opnd->barrier->value
3754 != get_optional_operand_default_value (opcode)))
3755 snprintf (buf, size, "#0x%x", opnd->barrier->value);
3756 break;
3757
3758 case AARCH64_OPND_PRFOP:
3759 if (opnd->prfop->name != NULL)
3760 snprintf (buf, size, "%s", opnd->prfop->name);
3761 else
3762 snprintf (buf, size, "#0x%02x", opnd->prfop->value);
3763 break;
3764
3765 case AARCH64_OPND_BARRIER_PSB:
3766 case AARCH64_OPND_BTI_TARGET:
3767 if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0)
3768 snprintf (buf, size, "%s", opnd->hint_option->name);
3769 break;
3770
3771 default:
3772 assert (0);
3773 }
3774 }
3775 \f
3776 #define CPENC(op0,op1,crn,crm,op2) \
3777 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
3778 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */
3779 #define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
3780 /* for 3.9.10 System Instructions */
3781 #define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
3782
3783 #define C0 0
3784 #define C1 1
3785 #define C2 2
3786 #define C3 3
3787 #define C4 4
3788 #define C5 5
3789 #define C6 6
3790 #define C7 7
3791 #define C8 8
3792 #define C9 9
3793 #define C10 10
3794 #define C11 11
3795 #define C12 12
3796 #define C13 13
3797 #define C14 14
3798 #define C15 15
3799
3800 /* TODO there is one more issues need to be resolved
3801 1. handle cpu-implementation-defined system registers. */
3802 const aarch64_sys_reg aarch64_sys_regs [] =
3803 {
3804 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
3805 { "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT },
3806 { "elr_el1", CPEN_(0,C0,1), 0 },
3807 { "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT },
3808 { "sp_el0", CPEN_(0,C1,0), 0 },
3809 { "spsel", CPEN_(0,C2,0), 0 },
3810 { "daif", CPEN_(3,C2,1), 0 },
3811 { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */
3812 { "pan", CPEN_(0,C2,3), F_ARCHEXT },
3813 { "uao", CPEN_ (0, C2, 4), F_ARCHEXT },
3814 { "nzcv", CPEN_(3,C2,0), 0 },
3815 { "ssbs", CPEN_(3,C2,6), F_ARCHEXT },
3816 { "fpcr", CPEN_(3,C4,0), 0 },
3817 { "fpsr", CPEN_(3,C4,1), 0 },
3818 { "dspsr_el0", CPEN_(3,C5,0), 0 },
3819 { "dlr_el0", CPEN_(3,C5,1), 0 },
3820 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
3821 { "elr_el2", CPEN_(4,C0,1), 0 },
3822 { "sp_el1", CPEN_(4,C1,0), 0 },
3823 { "spsr_irq", CPEN_(4,C3,0), 0 },
3824 { "spsr_abt", CPEN_(4,C3,1), 0 },
3825 { "spsr_und", CPEN_(4,C3,2), 0 },
3826 { "spsr_fiq", CPEN_(4,C3,3), 0 },
3827 { "spsr_el3", CPEN_(6,C0,0), 0 },
3828 { "elr_el3", CPEN_(6,C0,1), 0 },
3829 { "sp_el2", CPEN_(6,C1,0), 0 },
3830 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
3831 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
3832 { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */
3833 { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */
3834 { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */
3835 { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */
3836 { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */
3837 { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */
3838 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */
3839 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */
3840 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */
3841 { "id_pfr2_el1", CPENC(3,0,C0,C3,4), F_ARCHEXT | F_REG_READ}, /* RO */
3842 { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */
3843 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */
3844 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */
3845 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */
3846 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */
3847 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */
3848 { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */
3849 { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */
3850 { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */
3851 { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */
3852 { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */
3853 { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */
3854 { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */
3855 { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */
3856 { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */
3857 { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */
3858 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */
3859 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */
3860 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */
3861 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */
3862 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */
3863 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */
3864 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */
3865 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */
3866 { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */
3867 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */
3868 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */
3869 { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */
3870 { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */
3871 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 },
3872 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
3873 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
3874 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
3875 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
3876 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
3877 { "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT },
3878 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
3879 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
3880 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
3881 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
3882 { "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT },
3883 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
3884 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
3885 { "scr_el3", CPENC(3,6,C1,C1,0), 0 },
3886 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
3887 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
3888 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
3889 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
3890 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
3891 { "zcr_el1", CPENC (3, 0, C1, C2, 0), F_ARCHEXT },
3892 { "zcr_el12", CPENC (3, 5, C1, C2, 0), F_ARCHEXT },
3893 { "zcr_el2", CPENC (3, 4, C1, C2, 0), F_ARCHEXT },
3894 { "zcr_el3", CPENC (3, 6, C1, C2, 0), F_ARCHEXT },
3895 { "zidr_el1", CPENC (3, 0, C0, C0, 7), F_ARCHEXT },
3896 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
3897 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
3898 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
3899 { "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT },
3900 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
3901 { "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT },
3902 { "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT },
3903 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
3904 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
3905 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
3906 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
3907 { "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT },
3908 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
3909 { "apiakeylo_el1", CPENC (3, 0, C2, C1, 0), F_ARCHEXT },
3910 { "apiakeyhi_el1", CPENC (3, 0, C2, C1, 1), F_ARCHEXT },
3911 { "apibkeylo_el1", CPENC (3, 0, C2, C1, 2), F_ARCHEXT },
3912 { "apibkeyhi_el1", CPENC (3, 0, C2, C1, 3), F_ARCHEXT },
3913 { "apdakeylo_el1", CPENC (3, 0, C2, C2, 0), F_ARCHEXT },
3914 { "apdakeyhi_el1", CPENC (3, 0, C2, C2, 1), F_ARCHEXT },
3915 { "apdbkeylo_el1", CPENC (3, 0, C2, C2, 2), F_ARCHEXT },
3916 { "apdbkeyhi_el1", CPENC (3, 0, C2, C2, 3), F_ARCHEXT },
3917 { "apgakeylo_el1", CPENC (3, 0, C2, C3, 0), F_ARCHEXT },
3918 { "apgakeyhi_el1", CPENC (3, 0, C2, C3, 1), F_ARCHEXT },
3919 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
3920 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
3921 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
3922 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
3923 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
3924 { "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT },
3925 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
3926 { "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT },
3927 { "esr_el1", CPENC(3,0,C5,C2,0), 0 },
3928 { "esr_el2", CPENC(3,4,C5,C2,0), 0 },
3929 { "esr_el3", CPENC(3,6,C5,C2,0), 0 },
3930 { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT },
3931 { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT },
3932 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
3933 { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3934 { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT },
3935 { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3936 { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT },
3937 { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT },
3938 { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT },
3939 { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT },
3940 { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT },
3941 { "far_el1", CPENC(3,0,C6,C0,0), 0 },
3942 { "far_el2", CPENC(3,4,C6,C0,0), 0 },
3943 { "far_el3", CPENC(3,6,C6,C0,0), 0 },
3944 { "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT },
3945 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
3946 { "par_el1", CPENC(3,0,C7,C4,0), 0 },
3947 { "mair_el1", CPENC(3,0,C10,C2,0), 0 },
3948 { "mair_el2", CPENC(3,4,C10,C2,0), 0 },
3949 { "mair_el3", CPENC(3,6,C10,C2,0), 0 },
3950 { "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT },
3951 { "amair_el1", CPENC(3,0,C10,C3,0), 0 },
3952 { "amair_el2", CPENC(3,4,C10,C3,0), 0 },
3953 { "amair_el3", CPENC(3,6,C10,C3,0), 0 },
3954 { "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT },
3955 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
3956 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
3957 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
3958 { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT },
3959 { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */
3960 { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */
3961 { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */
3962 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
3963 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
3964 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
3965 { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */
3966 { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT },
3967 { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT },
3968 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
3969 { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT },
3970 { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT },
3971 { "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */
3972 { "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */
3973 { "tco", CPENC(3,3,C4,C2,7), F_ARCHEXT },
3974 { "tfsre0_el1", CPENC(3,0,C5,C6,1), F_ARCHEXT },
3975 { "tfsr_el1", CPENC(3,0,C5,C6,0), F_ARCHEXT },
3976 { "tfsr_el2", CPENC(3,4,C5,C6,0), F_ARCHEXT },
3977 { "tfsr_el3", CPENC(3,6,C5,C6,0), F_ARCHEXT },
3978 { "tfsr_el12", CPENC(3,5,C5,C6,0), F_ARCHEXT },
3979 { "rgsr_el1", CPENC(3,0,C1,C0,5), F_ARCHEXT },
3980 { "gcr_el1", CPENC(3,0,C1,C0,6), F_ARCHEXT },
3981 { "gmid_el1", CPENC(3,1,C0,C0,4), F_ARCHEXT | F_REG_READ }, /* RO */
3982 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
3983 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */
3984 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
3985 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
3986 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
3987 { "scxtnum_el0", CPENC(3,3,C13,C0,7), F_ARCHEXT },
3988 { "scxtnum_el1", CPENC(3,0,C13,C0,7), F_ARCHEXT },
3989 { "scxtnum_el2", CPENC(3,4,C13,C0,7), F_ARCHEXT },
3990 { "scxtnum_el12", CPENC(3,5,C13,C0,7), F_ARCHEXT },
3991 { "scxtnum_el3", CPENC(3,6,C13,C0,7), F_ARCHEXT },
3992 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
3993 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */
3994 { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */
3995 { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */
3996 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
3997 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
3998 { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT },
3999 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
4000 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
4001 { "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT },
4002 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
4003 { "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT },
4004 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
4005 { "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT },
4006 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
4007 { "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT },
4008 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
4009 { "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT },
4010 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
4011 { "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT },
4012 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
4013 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
4014 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
4015 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
4016 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
4017 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
4018 { "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT },
4019 { "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT },
4020 { "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT },
4021 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
4022 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
4023 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
4024 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
4025 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
4026 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */
4027 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
4028 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
4029 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */
4030 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */
4031 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 },
4032 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 },
4033 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
4034 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
4035 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
4036 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
4037 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
4038 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
4039 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
4040 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
4041 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
4042 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
4043 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
4044 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
4045 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
4046 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
4047 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
4048 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
4049 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
4050 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
4051 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
4052 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
4053 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
4054 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
4055 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
4056 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
4057 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
4058 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
4059 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
4060 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
4061 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
4062 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
4063 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
4064 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
4065 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
4066 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
4067 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
4068 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
4069 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
4070 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
4071 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
4072 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
4073 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
4074 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
4075 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
4076 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
4077 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
4078 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
4079 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
4080 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
4081 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
4082 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
4083 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
4084 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
4085 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
4086 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
4087 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
4088 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
4089 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
4090 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
4091 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
4092 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
4093 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
4094 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
4095 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
4096 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
4097 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
4098 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
4099 { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */
4100 { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */
4101 { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */
4102 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
4103 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
4104 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
4105 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
4106 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */
4107 { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */
4108 { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */
4109 { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */
4110 { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */
4111 { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */
4112 { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */
4113 { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */
4114 { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */
4115 { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */
4116 { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */
4117 { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* rw */
4118 { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */
4119 { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */
4120 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
4121 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
4122 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
4123 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
4124 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */
4125 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
4126 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */
4127 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */
4128 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
4129 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
4130 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
4131 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
4132 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
4133 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
4134 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
4135 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
4136 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
4137 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
4138 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
4139 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
4140 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
4141 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
4142 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
4143 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
4144 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
4145 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
4146 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
4147 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
4148 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
4149 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
4150 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
4151 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
4152 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
4153 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
4154 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
4155 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
4156 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
4157 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
4158 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
4159 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
4160 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
4161 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
4162 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
4163 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
4164 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
4165 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
4166 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
4167 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
4168 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
4169 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
4170 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
4171 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
4172 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
4173 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
4174 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
4175 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
4176 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
4177 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
4178 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
4179 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
4180 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
4181 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
4182 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
4183 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
4184 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
4185 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
4186 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
4187 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
4188 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
4189 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
4190 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
4191 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
4192 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
4193 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
4194 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
4195 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
4196 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
4197 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
4198
4199 { "dit", CPEN_ (3, C2, 5), F_ARCHEXT },
4200 { "vstcr_el2", CPENC(3, 4, C2, C6, 2), F_ARCHEXT },
4201 { "vsttbr_el2", CPENC(3, 4, C2, C6, 0), F_ARCHEXT },
4202 { "cnthvs_tval_el2", CPENC(3, 4, C14, C4, 0), F_ARCHEXT },
4203 { "cnthvs_cval_el2", CPENC(3, 4, C14, C4, 2), F_ARCHEXT },
4204 { "cnthvs_ctl_el2", CPENC(3, 4, C14, C4, 1), F_ARCHEXT },
4205 { "cnthps_tval_el2", CPENC(3, 4, C14, C5, 0), F_ARCHEXT },
4206 { "cnthps_cval_el2", CPENC(3, 4, C14, C5, 2), F_ARCHEXT },
4207 { "cnthps_ctl_el2", CPENC(3, 4, C14, C5, 1), F_ARCHEXT },
4208 { "sder32_el2", CPENC(3, 4, C1, C3, 1), F_ARCHEXT },
4209 { "vncr_el2", CPENC(3, 4, C2, C2, 0), F_ARCHEXT },
4210 { 0, CPENC(0,0,0,0,0), 0 },
4211 };
4212
4213 bfd_boolean
4214 aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
4215 {
4216 return (reg->flags & F_DEPRECATED) != 0;
4217 }
4218
4219 bfd_boolean
4220 aarch64_sys_reg_supported_p (const aarch64_feature_set features,
4221 const aarch64_sys_reg *reg)
4222 {
4223 if (!(reg->flags & F_ARCHEXT))
4224 return TRUE;
4225
4226 /* PAN. Values are from aarch64_sys_regs. */
4227 if (reg->value == CPEN_(0,C2,3)
4228 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4229 return FALSE;
4230
4231 /* SCXTNUM_ELx registers. */
4232 if ((reg->value == CPENC (3, 3, C13, C0, 7)
4233 || reg->value == CPENC (3, 0, C13, C0, 7)
4234 || reg->value == CPENC (3, 4, C13, C0, 7)
4235 || reg->value == CPENC (3, 6, C13, C0, 7)
4236 || reg->value == CPENC (3, 5, C13, C0, 7))
4237 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SCXTNUM))
4238 return FALSE;
4239
4240 /* ID_PFR2_EL1 register. */
4241 if (reg->value == CPENC(3, 0, C0, C3, 4)
4242 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_ID_PFR2))
4243 return FALSE;
4244
4245 /* SSBS. Values are from aarch64_sys_regs. */
4246 if (reg->value == CPEN_(3,C2,6)
4247 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4248 return FALSE;
4249
4250 /* Virtualization host extensions: system registers. */
4251 if ((reg->value == CPENC (3, 4, C2, C0, 1)
4252 || reg->value == CPENC (3, 4, C13, C0, 1)
4253 || reg->value == CPENC (3, 4, C14, C3, 0)
4254 || reg->value == CPENC (3, 4, C14, C3, 1)
4255 || reg->value == CPENC (3, 4, C14, C3, 2))
4256 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4257 return FALSE;
4258
4259 /* Virtualization host extensions: *_el12 names of *_el1 registers. */
4260 if ((reg->value == CPEN_ (5, C0, 0)
4261 || reg->value == CPEN_ (5, C0, 1)
4262 || reg->value == CPENC (3, 5, C1, C0, 0)
4263 || reg->value == CPENC (3, 5, C1, C0, 2)
4264 || reg->value == CPENC (3, 5, C2, C0, 0)
4265 || reg->value == CPENC (3, 5, C2, C0, 1)
4266 || reg->value == CPENC (3, 5, C2, C0, 2)
4267 || reg->value == CPENC (3, 5, C5, C1, 0)
4268 || reg->value == CPENC (3, 5, C5, C1, 1)
4269 || reg->value == CPENC (3, 5, C5, C2, 0)
4270 || reg->value == CPENC (3, 5, C6, C0, 0)
4271 || reg->value == CPENC (3, 5, C10, C2, 0)
4272 || reg->value == CPENC (3, 5, C10, C3, 0)
4273 || reg->value == CPENC (3, 5, C12, C0, 0)
4274 || reg->value == CPENC (3, 5, C13, C0, 1)
4275 || reg->value == CPENC (3, 5, C14, C1, 0))
4276 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4277 return FALSE;
4278
4279 /* Virtualization host extensions: *_el02 names of *_el0 registers. */
4280 if ((reg->value == CPENC (3, 5, C14, C2, 0)
4281 || reg->value == CPENC (3, 5, C14, C2, 1)
4282 || reg->value == CPENC (3, 5, C14, C2, 2)
4283 || reg->value == CPENC (3, 5, C14, C3, 0)
4284 || reg->value == CPENC (3, 5, C14, C3, 1)
4285 || reg->value == CPENC (3, 5, C14, C3, 2))
4286 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4287 return FALSE;
4288
4289 /* ARMv8.2 features. */
4290
4291 /* ID_AA64MMFR2_EL1. */
4292 if (reg->value == CPENC (3, 0, C0, C7, 2)
4293 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4294 return FALSE;
4295
4296 /* PSTATE.UAO. */
4297 if (reg->value == CPEN_ (0, C2, 4)
4298 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4299 return FALSE;
4300
4301 /* RAS extension. */
4302
4303 /* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1,
4304 ERXMISC0_EL1 AND ERXMISC1_EL1. */
4305 if ((reg->value == CPENC (3, 0, C5, C3, 0)
4306 || reg->value == CPENC (3, 0, C5, C3, 1)
4307 || reg->value == CPENC (3, 0, C5, C3, 2)
4308 || reg->value == CPENC (3, 0, C5, C3, 3)
4309 || reg->value == CPENC (3, 0, C5, C4, 0)
4310 || reg->value == CPENC (3, 0, C5, C4, 1)
4311 || reg->value == CPENC (3, 0, C5, C4, 2)
4312 || reg->value == CPENC (3, 0, C5, C4, 3)
4313 || reg->value == CPENC (3, 0, C5, C5, 0)
4314 || reg->value == CPENC (3, 0, C5, C5, 1))
4315 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4316 return FALSE;
4317
4318 /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */
4319 if ((reg->value == CPENC (3, 4, C5, C2, 3)
4320 || reg->value == CPENC (3, 0, C12, C1, 1)
4321 || reg->value == CPENC (3, 4, C12, C1, 1))
4322 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4323 return FALSE;
4324
4325 /* Statistical Profiling extension. */
4326 if ((reg->value == CPENC (3, 0, C9, C10, 0)
4327 || reg->value == CPENC (3, 0, C9, C10, 1)
4328 || reg->value == CPENC (3, 0, C9, C10, 3)
4329 || reg->value == CPENC (3, 0, C9, C10, 7)
4330 || reg->value == CPENC (3, 0, C9, C9, 0)
4331 || reg->value == CPENC (3, 0, C9, C9, 2)
4332 || reg->value == CPENC (3, 0, C9, C9, 3)
4333 || reg->value == CPENC (3, 0, C9, C9, 4)
4334 || reg->value == CPENC (3, 0, C9, C9, 5)
4335 || reg->value == CPENC (3, 0, C9, C9, 6)
4336 || reg->value == CPENC (3, 0, C9, C9, 7)
4337 || reg->value == CPENC (3, 4, C9, C9, 0)
4338 || reg->value == CPENC (3, 5, C9, C9, 0))
4339 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE))
4340 return FALSE;
4341
4342 /* ARMv8.3 Pointer authentication keys. */
4343 if ((reg->value == CPENC (3, 0, C2, C1, 0)
4344 || reg->value == CPENC (3, 0, C2, C1, 1)
4345 || reg->value == CPENC (3, 0, C2, C1, 2)
4346 || reg->value == CPENC (3, 0, C2, C1, 3)
4347 || reg->value == CPENC (3, 0, C2, C2, 0)
4348 || reg->value == CPENC (3, 0, C2, C2, 1)
4349 || reg->value == CPENC (3, 0, C2, C2, 2)
4350 || reg->value == CPENC (3, 0, C2, C2, 3)
4351 || reg->value == CPENC (3, 0, C2, C3, 0)
4352 || reg->value == CPENC (3, 0, C2, C3, 1))
4353 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_3))
4354 return FALSE;
4355
4356 /* SVE. */
4357 if ((reg->value == CPENC (3, 0, C0, C4, 4)
4358 || reg->value == CPENC (3, 0, C1, C2, 0)
4359 || reg->value == CPENC (3, 4, C1, C2, 0)
4360 || reg->value == CPENC (3, 6, C1, C2, 0)
4361 || reg->value == CPENC (3, 5, C1, C2, 0)
4362 || reg->value == CPENC (3, 0, C0, C0, 7))
4363 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SVE))
4364 return FALSE;
4365
4366 /* ARMv8.4 features. */
4367
4368 /* PSTATE.DIT. */
4369 if (reg->value == CPEN_ (3, C2, 5)
4370 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4371 return FALSE;
4372
4373 /* Virtualization extensions. */
4374 if ((reg->value == CPENC(3, 4, C2, C6, 2)
4375 || reg->value == CPENC(3, 4, C2, C6, 0)
4376 || reg->value == CPENC(3, 4, C14, C4, 0)
4377 || reg->value == CPENC(3, 4, C14, C4, 2)
4378 || reg->value == CPENC(3, 4, C14, C4, 1)
4379 || reg->value == CPENC(3, 4, C14, C5, 0)
4380 || reg->value == CPENC(3, 4, C14, C5, 2)
4381 || reg->value == CPENC(3, 4, C14, C5, 1)
4382 || reg->value == CPENC(3, 4, C1, C3, 1)
4383 || reg->value == CPENC(3, 4, C2, C2, 0))
4384 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4385 return FALSE;
4386
4387 /* ARMv8.4 TLB instructions. */
4388 if ((reg->value == CPENS (0, C8, C1, 0)
4389 || reg->value == CPENS (0, C8, C1, 1)
4390 || reg->value == CPENS (0, C8, C1, 2)
4391 || reg->value == CPENS (0, C8, C1, 3)
4392 || reg->value == CPENS (0, C8, C1, 5)
4393 || reg->value == CPENS (0, C8, C1, 7)
4394 || reg->value == CPENS (4, C8, C4, 0)
4395 || reg->value == CPENS (4, C8, C4, 4)
4396 || reg->value == CPENS (4, C8, C1, 1)
4397 || reg->value == CPENS (4, C8, C1, 5)
4398 || reg->value == CPENS (4, C8, C1, 6)
4399 || reg->value == CPENS (6, C8, C1, 1)
4400 || reg->value == CPENS (6, C8, C1, 5)
4401 || reg->value == CPENS (4, C8, C1, 0)
4402 || reg->value == CPENS (4, C8, C1, 4)
4403 || reg->value == CPENS (6, C8, C1, 0)
4404 || reg->value == CPENS (0, C8, C6, 1)
4405 || reg->value == CPENS (0, C8, C6, 3)
4406 || reg->value == CPENS (0, C8, C6, 5)
4407 || reg->value == CPENS (0, C8, C6, 7)
4408 || reg->value == CPENS (0, C8, C2, 1)
4409 || reg->value == CPENS (0, C8, C2, 3)
4410 || reg->value == CPENS (0, C8, C2, 5)
4411 || reg->value == CPENS (0, C8, C2, 7)
4412 || reg->value == CPENS (0, C8, C5, 1)
4413 || reg->value == CPENS (0, C8, C5, 3)
4414 || reg->value == CPENS (0, C8, C5, 5)
4415 || reg->value == CPENS (0, C8, C5, 7)
4416 || reg->value == CPENS (4, C8, C0, 2)
4417 || reg->value == CPENS (4, C8, C0, 6)
4418 || reg->value == CPENS (4, C8, C4, 2)
4419 || reg->value == CPENS (4, C8, C4, 6)
4420 || reg->value == CPENS (4, C8, C4, 3)
4421 || reg->value == CPENS (4, C8, C4, 7)
4422 || reg->value == CPENS (4, C8, C6, 1)
4423 || reg->value == CPENS (4, C8, C6, 5)
4424 || reg->value == CPENS (4, C8, C2, 1)
4425 || reg->value == CPENS (4, C8, C2, 5)
4426 || reg->value == CPENS (4, C8, C5, 1)
4427 || reg->value == CPENS (4, C8, C5, 5)
4428 || reg->value == CPENS (6, C8, C6, 1)
4429 || reg->value == CPENS (6, C8, C6, 5)
4430 || reg->value == CPENS (6, C8, C2, 1)
4431 || reg->value == CPENS (6, C8, C2, 5)
4432 || reg->value == CPENS (6, C8, C5, 1)
4433 || reg->value == CPENS (6, C8, C5, 5))
4434 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4435 return FALSE;
4436
4437 /* Random Number Instructions. For now they are available
4438 (and optional) only with ARMv8.5-A. */
4439 if ((reg->value == CPENC (3, 3, C2, C4, 0)
4440 || reg->value == CPENC (3, 3, C2, C4, 1))
4441 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RNG)
4442 && AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_5)))
4443 return FALSE;
4444
4445 /* System Registers in ARMv8.5-A with AARCH64_FEATURE_MEMTAG. */
4446 if ((reg->value == CPENC (3, 3, C4, C2, 7)
4447 || reg->value == CPENC (3, 0, C5, C6, 1)
4448 || reg->value == CPENC (3, 0, C5, C6, 0)
4449 || reg->value == CPENC (3, 4, C5, C6, 0)
4450 || reg->value == CPENC (3, 6, C5, C6, 0)
4451 || reg->value == CPENC (3, 5, C5, C6, 0)
4452 || reg->value == CPENC (3, 0, C1, C0, 5)
4453 || reg->value == CPENC (3, 0, C1, C0, 6)
4454 || reg->value == CPENC (3, 1, C0, C0, 4))
4455 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)))
4456 return FALSE;
4457
4458 return TRUE;
4459 }
4460
4461 /* The CPENC below is fairly misleading, the fields
4462 here are not in CPENC form. They are in op2op1 form. The fields are encoded
4463 by ins_pstatefield, which just shifts the value by the width of the fields
4464 in a loop. So if you CPENC them only the first value will be set, the rest
4465 are masked out to 0. As an example. op2 = 3, op1=2. CPENC would produce a
4466 value of 0b110000000001000000 (0x30040) while what you want is
4467 0b011010 (0x1a). */
4468 const aarch64_sys_reg aarch64_pstatefields [] =
4469 {
4470 { "spsel", 0x05, 0 },
4471 { "daifset", 0x1e, 0 },
4472 { "daifclr", 0x1f, 0 },
4473 { "pan", 0x04, F_ARCHEXT },
4474 { "uao", 0x03, F_ARCHEXT },
4475 { "ssbs", 0x19, F_ARCHEXT },
4476 { "dit", 0x1a, F_ARCHEXT },
4477 { "tco", 0x1c, F_ARCHEXT },
4478 { 0, CPENC(0,0,0,0,0), 0 },
4479 };
4480
4481 bfd_boolean
4482 aarch64_pstatefield_supported_p (const aarch64_feature_set features,
4483 const aarch64_sys_reg *reg)
4484 {
4485 if (!(reg->flags & F_ARCHEXT))
4486 return TRUE;
4487
4488 /* PAN. Values are from aarch64_pstatefields. */
4489 if (reg->value == 0x04
4490 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4491 return FALSE;
4492
4493 /* UAO. Values are from aarch64_pstatefields. */
4494 if (reg->value == 0x03
4495 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4496 return FALSE;
4497
4498 /* SSBS. Values are from aarch64_pstatefields. */
4499 if (reg->value == 0x19
4500 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4501 return FALSE;
4502
4503 /* DIT. Values are from aarch64_pstatefields. */
4504 if (reg->value == 0x1a
4505 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4506 return FALSE;
4507
4508 /* TCO. Values are from aarch64_pstatefields. */
4509 if (reg->value == 0x1c
4510 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4511 return FALSE;
4512
4513 return TRUE;
4514 }
4515
4516 const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
4517 {
4518 { "ialluis", CPENS(0,C7,C1,0), 0 },
4519 { "iallu", CPENS(0,C7,C5,0), 0 },
4520 { "ivau", CPENS (3, C7, C5, 1), F_HASXT },
4521 { 0, CPENS(0,0,0,0), 0 }
4522 };
4523
4524 const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
4525 {
4526 { "zva", CPENS (3, C7, C4, 1), F_HASXT },
4527 { "gva", CPENS (3, C7, C4, 3), F_HASXT | F_ARCHEXT },
4528 { "gzva", CPENS (3, C7, C4, 4), F_HASXT | F_ARCHEXT },
4529 { "ivac", CPENS (0, C7, C6, 1), F_HASXT },
4530 { "igvac", CPENS (0, C7, C6, 3), F_HASXT | F_ARCHEXT },
4531 { "igsw", CPENS (0, C7, C6, 4), F_HASXT | F_ARCHEXT },
4532 { "isw", CPENS (0, C7, C6, 2), F_HASXT },
4533 { "igdvac", CPENS (0, C7, C6, 5), F_HASXT | F_ARCHEXT },
4534 { "igdsw", CPENS (0, C7, C6, 6), F_HASXT | F_ARCHEXT },
4535 { "cvac", CPENS (3, C7, C10, 1), F_HASXT },
4536 { "cgvac", CPENS (3, C7, C10, 3), F_HASXT | F_ARCHEXT },
4537 { "cgdvac", CPENS (3, C7, C10, 5), F_HASXT | F_ARCHEXT },
4538 { "csw", CPENS (0, C7, C10, 2), F_HASXT },
4539 { "cgsw", CPENS (0, C7, C10, 4), F_HASXT | F_ARCHEXT },
4540 { "cgdsw", CPENS (0, C7, C10, 6), F_HASXT | F_ARCHEXT },
4541 { "cvau", CPENS (3, C7, C11, 1), F_HASXT },
4542 { "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT },
4543 { "cgvap", CPENS (3, C7, C12, 3), F_HASXT | F_ARCHEXT },
4544 { "cgdvap", CPENS (3, C7, C12, 5), F_HASXT | F_ARCHEXT },
4545 { "cvadp", CPENS (3, C7, C13, 1), F_HASXT | F_ARCHEXT },
4546 { "cgvadp", CPENS (3, C7, C13, 3), F_HASXT | F_ARCHEXT },
4547 { "cgdvadp", CPENS (3, C7, C13, 5), F_HASXT | F_ARCHEXT },
4548 { "civac", CPENS (3, C7, C14, 1), F_HASXT },
4549 { "cigvac", CPENS (3, C7, C14, 3), F_HASXT | F_ARCHEXT },
4550 { "cigdvac", CPENS (3, C7, C14, 5), F_HASXT | F_ARCHEXT },
4551 { "cisw", CPENS (0, C7, C14, 2), F_HASXT },
4552 { "cigsw", CPENS (0, C7, C14, 4), F_HASXT | F_ARCHEXT },
4553 { "cigdsw", CPENS (0, C7, C14, 6), F_HASXT | F_ARCHEXT },
4554 { 0, CPENS(0,0,0,0), 0 }
4555 };
4556
4557 const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
4558 {
4559 { "s1e1r", CPENS (0, C7, C8, 0), F_HASXT },
4560 { "s1e1w", CPENS (0, C7, C8, 1), F_HASXT },
4561 { "s1e0r", CPENS (0, C7, C8, 2), F_HASXT },
4562 { "s1e0w", CPENS (0, C7, C8, 3), F_HASXT },
4563 { "s12e1r", CPENS (4, C7, C8, 4), F_HASXT },
4564 { "s12e1w", CPENS (4, C7, C8, 5), F_HASXT },
4565 { "s12e0r", CPENS (4, C7, C8, 6), F_HASXT },
4566 { "s12e0w", CPENS (4, C7, C8, 7), F_HASXT },
4567 { "s1e2r", CPENS (4, C7, C8, 0), F_HASXT },
4568 { "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
4569 { "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
4570 { "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
4571 { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
4572 { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
4573 { 0, CPENS(0,0,0,0), 0 }
4574 };
4575
4576 const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
4577 {
4578 { "vmalle1", CPENS(0,C8,C7,0), 0 },
4579 { "vae1", CPENS (0, C8, C7, 1), F_HASXT },
4580 { "aside1", CPENS (0, C8, C7, 2), F_HASXT },
4581 { "vaae1", CPENS (0, C8, C7, 3), F_HASXT },
4582 { "vmalle1is", CPENS(0,C8,C3,0), 0 },
4583 { "vae1is", CPENS (0, C8, C3, 1), F_HASXT },
4584 { "aside1is", CPENS (0, C8, C3, 2), F_HASXT },
4585 { "vaae1is", CPENS (0, C8, C3, 3), F_HASXT },
4586 { "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT },
4587 { "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT },
4588 { "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT },
4589 { "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT },
4590 { "vae2", CPENS (4, C8, C7, 1), F_HASXT },
4591 { "vae2is", CPENS (4, C8, C3, 1), F_HASXT },
4592 { "vmalls12e1",CPENS(4,C8,C7,6), 0 },
4593 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
4594 { "vae3", CPENS (6, C8, C7, 1), F_HASXT },
4595 { "vae3is", CPENS (6, C8, C3, 1), F_HASXT },
4596 { "alle2", CPENS(4,C8,C7,0), 0 },
4597 { "alle2is", CPENS(4,C8,C3,0), 0 },
4598 { "alle1", CPENS(4,C8,C7,4), 0 },
4599 { "alle1is", CPENS(4,C8,C3,4), 0 },
4600 { "alle3", CPENS(6,C8,C7,0), 0 },
4601 { "alle3is", CPENS(6,C8,C3,0), 0 },
4602 { "vale1is", CPENS (0, C8, C3, 5), F_HASXT },
4603 { "vale2is", CPENS (4, C8, C3, 5), F_HASXT },
4604 { "vale3is", CPENS (6, C8, C3, 5), F_HASXT },
4605 { "vaale1is", CPENS (0, C8, C3, 7), F_HASXT },
4606 { "vale1", CPENS (0, C8, C7, 5), F_HASXT },
4607 { "vale2", CPENS (4, C8, C7, 5), F_HASXT },
4608 { "vale3", CPENS (6, C8, C7, 5), F_HASXT },
4609 { "vaale1", CPENS (0, C8, C7, 7), F_HASXT },
4610
4611 { "vmalle1os", CPENS (0, C8, C1, 0), F_ARCHEXT },
4612 { "vae1os", CPENS (0, C8, C1, 1), F_HASXT | F_ARCHEXT },
4613 { "aside1os", CPENS (0, C8, C1, 2), F_HASXT | F_ARCHEXT },
4614 { "vaae1os", CPENS (0, C8, C1, 3), F_HASXT | F_ARCHEXT },
4615 { "vale1os", CPENS (0, C8, C1, 5), F_HASXT | F_ARCHEXT },
4616 { "vaale1os", CPENS (0, C8, C1, 7), F_HASXT | F_ARCHEXT },
4617 { "ipas2e1os", CPENS (4, C8, C4, 0), F_HASXT | F_ARCHEXT },
4618 { "ipas2le1os", CPENS (4, C8, C4, 4), F_HASXT | F_ARCHEXT },
4619 { "vae2os", CPENS (4, C8, C1, 1), F_HASXT | F_ARCHEXT },
4620 { "vale2os", CPENS (4, C8, C1, 5), F_HASXT | F_ARCHEXT },
4621 { "vmalls12e1os", CPENS (4, C8, C1, 6), F_ARCHEXT },
4622 { "vae3os", CPENS (6, C8, C1, 1), F_HASXT | F_ARCHEXT },
4623 { "vale3os", CPENS (6, C8, C1, 5), F_HASXT | F_ARCHEXT },
4624 { "alle2os", CPENS (4, C8, C1, 0), F_ARCHEXT },
4625 { "alle1os", CPENS (4, C8, C1, 4), F_ARCHEXT },
4626 { "alle3os", CPENS (6, C8, C1, 0), F_ARCHEXT },
4627
4628 { "rvae1", CPENS (0, C8, C6, 1), F_HASXT | F_ARCHEXT },
4629 { "rvaae1", CPENS (0, C8, C6, 3), F_HASXT | F_ARCHEXT },
4630 { "rvale1", CPENS (0, C8, C6, 5), F_HASXT | F_ARCHEXT },
4631 { "rvaale1", CPENS (0, C8, C6, 7), F_HASXT | F_ARCHEXT },
4632 { "rvae1is", CPENS (0, C8, C2, 1), F_HASXT | F_ARCHEXT },
4633 { "rvaae1is", CPENS (0, C8, C2, 3), F_HASXT | F_ARCHEXT },
4634 { "rvale1is", CPENS (0, C8, C2, 5), F_HASXT | F_ARCHEXT },
4635 { "rvaale1is", CPENS (0, C8, C2, 7), F_HASXT | F_ARCHEXT },
4636 { "rvae1os", CPENS (0, C8, C5, 1), F_HASXT | F_ARCHEXT },
4637 { "rvaae1os", CPENS (0, C8, C5, 3), F_HASXT | F_ARCHEXT },
4638 { "rvale1os", CPENS (0, C8, C5, 5), F_HASXT | F_ARCHEXT },
4639 { "rvaale1os", CPENS (0, C8, C5, 7), F_HASXT | F_ARCHEXT },
4640 { "ripas2e1is", CPENS (4, C8, C0, 2), F_HASXT | F_ARCHEXT },
4641 { "ripas2le1is",CPENS (4, C8, C0, 6), F_HASXT | F_ARCHEXT },
4642 { "ripas2e1", CPENS (4, C8, C4, 2), F_HASXT | F_ARCHEXT },
4643 { "ripas2le1", CPENS (4, C8, C4, 6), F_HASXT | F_ARCHEXT },
4644 { "ripas2e1os", CPENS (4, C8, C4, 3), F_HASXT | F_ARCHEXT },
4645 { "ripas2le1os",CPENS (4, C8, C4, 7), F_HASXT | F_ARCHEXT },
4646 { "rvae2", CPENS (4, C8, C6, 1), F_HASXT | F_ARCHEXT },
4647 { "rvale2", CPENS (4, C8, C6, 5), F_HASXT | F_ARCHEXT },
4648 { "rvae2is", CPENS (4, C8, C2, 1), F_HASXT | F_ARCHEXT },
4649 { "rvale2is", CPENS (4, C8, C2, 5), F_HASXT | F_ARCHEXT },
4650 { "rvae2os", CPENS (4, C8, C5, 1), F_HASXT | F_ARCHEXT },
4651 { "rvale2os", CPENS (4, C8, C5, 5), F_HASXT | F_ARCHEXT },
4652 { "rvae3", CPENS (6, C8, C6, 1), F_HASXT | F_ARCHEXT },
4653 { "rvale3", CPENS (6, C8, C6, 5), F_HASXT | F_ARCHEXT },
4654 { "rvae3is", CPENS (6, C8, C2, 1), F_HASXT | F_ARCHEXT },
4655 { "rvale3is", CPENS (6, C8, C2, 5), F_HASXT | F_ARCHEXT },
4656 { "rvae3os", CPENS (6, C8, C5, 1), F_HASXT | F_ARCHEXT },
4657 { "rvale3os", CPENS (6, C8, C5, 5), F_HASXT | F_ARCHEXT },
4658
4659 { 0, CPENS(0,0,0,0), 0 }
4660 };
4661
4662 const aarch64_sys_ins_reg aarch64_sys_regs_sr[] =
4663 {
4664 /* RCTX is somewhat unique in a way that it has different values
4665 (op2) based on the instruction in which it is used (cfp/dvp/cpp).
4666 Thus op2 is masked out and instead encoded directly in the
4667 aarch64_opcode_table entries for the respective instructions. */
4668 { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */
4669
4670 { 0, CPENS(0,0,0,0), 0 }
4671 };
4672
4673 bfd_boolean
4674 aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
4675 {
4676 return (sys_ins_reg->flags & F_HASXT) != 0;
4677 }
4678
4679 extern bfd_boolean
4680 aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
4681 const aarch64_sys_ins_reg *reg)
4682 {
4683 if (!(reg->flags & F_ARCHEXT))
4684 return TRUE;
4685
4686 /* DC CVAP. Values are from aarch64_sys_regs_dc. */
4687 if (reg->value == CPENS (3, C7, C12, 1)
4688 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4689 return FALSE;
4690
4691 /* DC CVADP. Values are from aarch64_sys_regs_dc. */
4692 if (reg->value == CPENS (3, C7, C13, 1)
4693 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_CVADP))
4694 return FALSE;
4695
4696 /* DC <dc_op> for ARMv8.5-A Memory Tagging Extension. */
4697 if ((reg->value == CPENS (0, C7, C6, 3)
4698 || reg->value == CPENS (0, C7, C6, 4)
4699 || reg->value == CPENS (0, C7, C10, 4)
4700 || reg->value == CPENS (0, C7, C14, 4)
4701 || reg->value == CPENS (3, C7, C10, 3)
4702 || reg->value == CPENS (3, C7, C12, 3)
4703 || reg->value == CPENS (3, C7, C13, 3)
4704 || reg->value == CPENS (3, C7, C14, 3)
4705 || reg->value == CPENS (3, C7, C4, 3)
4706 || reg->value == CPENS (0, C7, C6, 5)
4707 || reg->value == CPENS (0, C7, C6, 6)
4708 || reg->value == CPENS (0, C7, C10, 6)
4709 || reg->value == CPENS (0, C7, C14, 6)
4710 || reg->value == CPENS (3, C7, C10, 5)
4711 || reg->value == CPENS (3, C7, C12, 5)
4712 || reg->value == CPENS (3, C7, C13, 5)
4713 || reg->value == CPENS (3, C7, C14, 5)
4714 || reg->value == CPENS (3, C7, C4, 4))
4715 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4716 return FALSE;
4717
4718 /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
4719 if ((reg->value == CPENS (0, C7, C9, 0)
4720 || reg->value == CPENS (0, C7, C9, 1))
4721 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4722 return FALSE;
4723
4724 /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */
4725 if (reg->value == CPENS (3, C7, C3, 0)
4726 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES))
4727 return FALSE;
4728
4729 return TRUE;
4730 }
4731
4732 #undef C0
4733 #undef C1
4734 #undef C2
4735 #undef C3
4736 #undef C4
4737 #undef C5
4738 #undef C6
4739 #undef C7
4740 #undef C8
4741 #undef C9
4742 #undef C10
4743 #undef C11
4744 #undef C12
4745 #undef C13
4746 #undef C14
4747 #undef C15
4748
4749 #define BIT(INSN,BT) (((INSN) >> (BT)) & 1)
4750 #define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1))
4751
4752 static enum err_type
4753 verify_ldpsw (const struct aarch64_inst *inst ATTRIBUTE_UNUSED,
4754 const aarch64_insn insn, bfd_vma pc ATTRIBUTE_UNUSED,
4755 bfd_boolean encoding ATTRIBUTE_UNUSED,
4756 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4757 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4758 {
4759 int t = BITS (insn, 4, 0);
4760 int n = BITS (insn, 9, 5);
4761 int t2 = BITS (insn, 14, 10);
4762
4763 if (BIT (insn, 23))
4764 {
4765 /* Write back enabled. */
4766 if ((t == n || t2 == n) && n != 31)
4767 return ERR_UND;
4768 }
4769
4770 if (BIT (insn, 22))
4771 {
4772 /* Load */
4773 if (t == t2)
4774 return ERR_UND;
4775 }
4776
4777 return ERR_OK;
4778 }
4779
4780 /* Verifier for vector by element 3 operands functions where the
4781 conditions `if sz:L == 11 then UNDEFINED` holds. */
4782
4783 static enum err_type
4784 verify_elem_sd (const struct aarch64_inst *inst, const aarch64_insn insn,
4785 bfd_vma pc ATTRIBUTE_UNUSED, bfd_boolean encoding,
4786 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4787 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4788 {
4789 const aarch64_insn undef_pattern = 0x3;
4790 aarch64_insn value;
4791
4792 assert (inst->opcode);
4793 assert (inst->opcode->operands[2] == AARCH64_OPND_Em);
4794 value = encoding ? inst->value : insn;
4795 assert (value);
4796
4797 if (undef_pattern == extract_fields (value, 0, 2, FLD_sz, FLD_L))
4798 return ERR_UND;
4799
4800 return ERR_OK;
4801 }
4802
4803 /* Initialize an instruction sequence insn_sequence with the instruction INST.
4804 If INST is NULL the given insn_sequence is cleared and the sequence is left
4805 uninitialized. */
4806
4807 void
4808 init_insn_sequence (const struct aarch64_inst *inst,
4809 aarch64_instr_sequence *insn_sequence)
4810 {
4811 int num_req_entries = 0;
4812 insn_sequence->next_insn = 0;
4813 insn_sequence->num_insns = num_req_entries;
4814 if (insn_sequence->instr)
4815 XDELETE (insn_sequence->instr);
4816 insn_sequence->instr = NULL;
4817
4818 if (inst)
4819 {
4820 insn_sequence->instr = XNEW (aarch64_inst);
4821 memcpy (insn_sequence->instr, inst, sizeof (aarch64_inst));
4822 }
4823
4824 /* Handle all the cases here. May need to think of something smarter than
4825 a giant if/else chain if this grows. At that time, a lookup table may be
4826 best. */
4827 if (inst && inst->opcode->constraints & C_SCAN_MOVPRFX)
4828 num_req_entries = 1;
4829
4830 if (insn_sequence->current_insns)
4831 XDELETEVEC (insn_sequence->current_insns);
4832 insn_sequence->current_insns = NULL;
4833
4834 if (num_req_entries != 0)
4835 {
4836 size_t size = num_req_entries * sizeof (aarch64_inst);
4837 insn_sequence->current_insns
4838 = (aarch64_inst**) XNEWVEC (aarch64_inst, num_req_entries);
4839 memset (insn_sequence->current_insns, 0, size);
4840 }
4841 }
4842
4843
4844 /* This function verifies that the instruction INST adheres to its specified
4845 constraints. If it does then ERR_OK is returned, if not then ERR_VFI is
4846 returned and MISMATCH_DETAIL contains the reason why verification failed.
4847
4848 The function is called both during assembly and disassembly. If assembling
4849 then ENCODING will be TRUE, else FALSE. If dissassembling PC will be set
4850 and will contain the PC of the current instruction w.r.t to the section.
4851
4852 If ENCODING and PC=0 then you are at a start of a section. The constraints
4853 are verified against the given state insn_sequence which is updated as it
4854 transitions through the verification. */
4855
4856 enum err_type
4857 verify_constraints (const struct aarch64_inst *inst,
4858 const aarch64_insn insn ATTRIBUTE_UNUSED,
4859 bfd_vma pc,
4860 bfd_boolean encoding,
4861 aarch64_operand_error *mismatch_detail,
4862 aarch64_instr_sequence *insn_sequence)
4863 {
4864 assert (inst);
4865 assert (inst->opcode);
4866
4867 const struct aarch64_opcode *opcode = inst->opcode;
4868 if (!opcode->constraints && !insn_sequence->instr)
4869 return ERR_OK;
4870
4871 assert (insn_sequence);
4872
4873 enum err_type res = ERR_OK;
4874
4875 /* This instruction puts a constraint on the insn_sequence. */
4876 if (opcode->flags & F_SCAN)
4877 {
4878 if (insn_sequence->instr)
4879 {
4880 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4881 mismatch_detail->error = _("instruction opens new dependency "
4882 "sequence without ending previous one");
4883 mismatch_detail->index = -1;
4884 mismatch_detail->non_fatal = TRUE;
4885 res = ERR_VFI;
4886 }
4887
4888 init_insn_sequence (inst, insn_sequence);
4889 return res;
4890 }
4891
4892 /* Verify constraints on an existing sequence. */
4893 if (insn_sequence->instr)
4894 {
4895 const struct aarch64_opcode* inst_opcode = insn_sequence->instr->opcode;
4896 /* If we're decoding and we hit PC=0 with an open sequence then we haven't
4897 closed a previous one that we should have. */
4898 if (!encoding && pc == 0)
4899 {
4900 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4901 mismatch_detail->error = _("previous `movprfx' sequence not closed");
4902 mismatch_detail->index = -1;
4903 mismatch_detail->non_fatal = TRUE;
4904 res = ERR_VFI;
4905 /* Reset the sequence. */
4906 init_insn_sequence (NULL, insn_sequence);
4907 return res;
4908 }
4909
4910 /* Validate C_SCAN_MOVPRFX constraints. Move this to a lookup table. */
4911 if (inst_opcode->constraints & C_SCAN_MOVPRFX)
4912 {
4913 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4914 instruction for better error messages. */
4915 if (!opcode->avariant
4916 || !(*opcode->avariant &
4917 (AARCH64_FEATURE_SVE | AARCH64_FEATURE_SVE2)))
4918 {
4919 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4920 mismatch_detail->error = _("SVE instruction expected after "
4921 "`movprfx'");
4922 mismatch_detail->index = -1;
4923 mismatch_detail->non_fatal = TRUE;
4924 res = ERR_VFI;
4925 goto done;
4926 }
4927
4928 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4929 instruction that is allowed to be used with a MOVPRFX. */
4930 if (!(opcode->constraints & C_SCAN_MOVPRFX))
4931 {
4932 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4933 mismatch_detail->error = _("SVE `movprfx' compatible instruction "
4934 "expected");
4935 mismatch_detail->index = -1;
4936 mismatch_detail->non_fatal = TRUE;
4937 res = ERR_VFI;
4938 goto done;
4939 }
4940
4941 /* Next check for usage of the predicate register. */
4942 aarch64_opnd_info blk_dest = insn_sequence->instr->operands[0];
4943 aarch64_opnd_info blk_pred, inst_pred;
4944 memset (&blk_pred, 0, sizeof (aarch64_opnd_info));
4945 memset (&inst_pred, 0, sizeof (aarch64_opnd_info));
4946 bfd_boolean predicated = FALSE;
4947 assert (blk_dest.type == AARCH64_OPND_SVE_Zd);
4948
4949 /* Determine if the movprfx instruction used is predicated or not. */
4950 if (insn_sequence->instr->operands[1].type == AARCH64_OPND_SVE_Pg3)
4951 {
4952 predicated = TRUE;
4953 blk_pred = insn_sequence->instr->operands[1];
4954 }
4955
4956 unsigned char max_elem_size = 0;
4957 unsigned char current_elem_size;
4958 int num_op_used = 0, last_op_usage = 0;
4959 int i, inst_pred_idx = -1;
4960 int num_ops = aarch64_num_of_operands (opcode);
4961 for (i = 0; i < num_ops; i++)
4962 {
4963 aarch64_opnd_info inst_op = inst->operands[i];
4964 switch (inst_op.type)
4965 {
4966 case AARCH64_OPND_SVE_Zd:
4967 case AARCH64_OPND_SVE_Zm_5:
4968 case AARCH64_OPND_SVE_Zm_16:
4969 case AARCH64_OPND_SVE_Zn:
4970 case AARCH64_OPND_SVE_Zt:
4971 case AARCH64_OPND_SVE_Vm:
4972 case AARCH64_OPND_SVE_Vn:
4973 case AARCH64_OPND_Va:
4974 case AARCH64_OPND_Vn:
4975 case AARCH64_OPND_Vm:
4976 case AARCH64_OPND_Sn:
4977 case AARCH64_OPND_Sm:
4978 if (inst_op.reg.regno == blk_dest.reg.regno)
4979 {
4980 num_op_used++;
4981 last_op_usage = i;
4982 }
4983 current_elem_size
4984 = aarch64_get_qualifier_esize (inst_op.qualifier);
4985 if (current_elem_size > max_elem_size)
4986 max_elem_size = current_elem_size;
4987 break;
4988 case AARCH64_OPND_SVE_Pd:
4989 case AARCH64_OPND_SVE_Pg3:
4990 case AARCH64_OPND_SVE_Pg4_5:
4991 case AARCH64_OPND_SVE_Pg4_10:
4992 case AARCH64_OPND_SVE_Pg4_16:
4993 case AARCH64_OPND_SVE_Pm:
4994 case AARCH64_OPND_SVE_Pn:
4995 case AARCH64_OPND_SVE_Pt:
4996 inst_pred = inst_op;
4997 inst_pred_idx = i;
4998 break;
4999 default:
5000 break;
5001 }
5002 }
5003
5004 assert (max_elem_size != 0);
5005 aarch64_opnd_info inst_dest = inst->operands[0];
5006 /* Determine the size that should be used to compare against the
5007 movprfx size. */
5008 current_elem_size
5009 = opcode->constraints & C_MAX_ELEM
5010 ? max_elem_size
5011 : aarch64_get_qualifier_esize (inst_dest.qualifier);
5012
5013 /* If movprfx is predicated do some extra checks. */
5014 if (predicated)
5015 {
5016 /* The instruction must be predicated. */
5017 if (inst_pred_idx < 0)
5018 {
5019 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5020 mismatch_detail->error = _("predicated instruction expected "
5021 "after `movprfx'");
5022 mismatch_detail->index = -1;
5023 mismatch_detail->non_fatal = TRUE;
5024 res = ERR_VFI;
5025 goto done;
5026 }
5027
5028 /* The instruction must have a merging predicate. */
5029 if (inst_pred.qualifier != AARCH64_OPND_QLF_P_M)
5030 {
5031 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5032 mismatch_detail->error = _("merging predicate expected due "
5033 "to preceding `movprfx'");
5034 mismatch_detail->index = inst_pred_idx;
5035 mismatch_detail->non_fatal = TRUE;
5036 res = ERR_VFI;
5037 goto done;
5038 }
5039
5040 /* The same register must be used in instruction. */
5041 if (blk_pred.reg.regno != inst_pred.reg.regno)
5042 {
5043 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5044 mismatch_detail->error = _("predicate register differs "
5045 "from that in preceding "
5046 "`movprfx'");
5047 mismatch_detail->index = inst_pred_idx;
5048 mismatch_detail->non_fatal = TRUE;
5049 res = ERR_VFI;
5050 goto done;
5051 }
5052 }
5053
5054 /* Destructive operations by definition must allow one usage of the
5055 same register. */
5056 int allowed_usage
5057 = aarch64_is_destructive_by_operands (opcode) ? 2 : 1;
5058
5059 /* Operand is not used at all. */
5060 if (num_op_used == 0)
5061 {
5062 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5063 mismatch_detail->error = _("output register of preceding "
5064 "`movprfx' not used in current "
5065 "instruction");
5066 mismatch_detail->index = 0;
5067 mismatch_detail->non_fatal = TRUE;
5068 res = ERR_VFI;
5069 goto done;
5070 }
5071
5072 /* We now know it's used, now determine exactly where it's used. */
5073 if (blk_dest.reg.regno != inst_dest.reg.regno)
5074 {
5075 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5076 mismatch_detail->error = _("output register of preceding "
5077 "`movprfx' expected as output");
5078 mismatch_detail->index = 0;
5079 mismatch_detail->non_fatal = TRUE;
5080 res = ERR_VFI;
5081 goto done;
5082 }
5083
5084 /* Operand used more than allowed for the specific opcode type. */
5085 if (num_op_used > allowed_usage)
5086 {
5087 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5088 mismatch_detail->error = _("output register of preceding "
5089 "`movprfx' used as input");
5090 mismatch_detail->index = last_op_usage;
5091 mismatch_detail->non_fatal = TRUE;
5092 res = ERR_VFI;
5093 goto done;
5094 }
5095
5096 /* Now the only thing left is the qualifiers checks. The register
5097 must have the same maximum element size. */
5098 if (inst_dest.qualifier
5099 && blk_dest.qualifier
5100 && current_elem_size
5101 != aarch64_get_qualifier_esize (blk_dest.qualifier))
5102 {
5103 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5104 mismatch_detail->error = _("register size not compatible with "
5105 "previous `movprfx'");
5106 mismatch_detail->index = 0;
5107 mismatch_detail->non_fatal = TRUE;
5108 res = ERR_VFI;
5109 goto done;
5110 }
5111 }
5112
5113 done:
5114 /* Add the new instruction to the sequence. */
5115 memcpy (insn_sequence->current_insns + insn_sequence->next_insn++,
5116 inst, sizeof (aarch64_inst));
5117
5118 /* Check if sequence is now full. */
5119 if (insn_sequence->next_insn >= insn_sequence->num_insns)
5120 {
5121 /* Sequence is full, but we don't have anything special to do for now,
5122 so clear and reset it. */
5123 init_insn_sequence (NULL, insn_sequence);
5124 }
5125 }
5126
5127 return res;
5128 }
5129
5130
5131 /* Return true if VALUE cannot be moved into an SVE register using DUP
5132 (with any element size, not just ESIZE) and if using DUPM would
5133 therefore be OK. ESIZE is the number of bytes in the immediate. */
5134
5135 bfd_boolean
5136 aarch64_sve_dupm_mov_immediate_p (uint64_t uvalue, int esize)
5137 {
5138 int64_t svalue = uvalue;
5139 uint64_t upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
5140
5141 if ((uvalue & ~upper) != uvalue && (uvalue | upper) != uvalue)
5142 return FALSE;
5143 if (esize <= 4 || (uint32_t) uvalue == (uint32_t) (uvalue >> 32))
5144 {
5145 svalue = (int32_t) uvalue;
5146 if (esize <= 2 || (uint16_t) uvalue == (uint16_t) (uvalue >> 16))
5147 {
5148 svalue = (int16_t) uvalue;
5149 if (esize == 1 || (uint8_t) uvalue == (uint8_t) (uvalue >> 8))
5150 return FALSE;
5151 }
5152 }
5153 if ((svalue & 0xff) == 0)
5154 svalue /= 256;
5155 return svalue < -128 || svalue >= 128;
5156 }
5157
5158 /* Include the opcode description table as well as the operand description
5159 table. */
5160 #define VERIFIER(x) verify_##x
5161 #include "aarch64-tbl.h"
GDB Binutils - Deliverables
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