1 /* aarch64-opc.c -- AArch64 opcode support.
2 Copyright (C) 2009-2019 Free Software Foundation, Inc.
3 Contributed by ARM Ltd.
5 This file is part of the GNU opcodes library.
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)
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.
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/>. */
25 #include "bfd_stdint.h"
30 #include "libiberty.h"
32 #include "aarch64-opc.h"
35 int debug_dump = FALSE;
36 #endif /* DEBUG_AARCH64 */
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] = {
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] = {
102 /* Helper functions to determine which operand to be used to encode/decode
103 the size:Q fields for AdvSIMD instructions. */
105 static inline bfd_boolean
106 vector_qualifier_p (enum aarch64_opnd_qualifier qualifier)
108 return ((qualifier >= AARCH64_OPND_QLF_V_8B
109 && qualifier <= AARCH64_OPND_QLF_V_1Q) ? TRUE
113 static inline bfd_boolean
114 fp_qualifier_p (enum aarch64_opnd_qualifier qualifier)
116 return ((qualifier >= AARCH64_OPND_QLF_S_B
117 && qualifier <= AARCH64_OPND_QLF_S_Q) ? TRUE
127 DP_VECTOR_ACROSS_LANES,
130 static const char significant_operand_index [] =
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 */
139 /* Given a sequence of qualifiers in QUALIFIERS, determine and return
141 N.B. QUALIFIERS is a possible sequence of qualifiers each of which
142 corresponds to one of a sequence of operands. */
144 static enum data_pattern
145 get_data_pattern (const aarch64_opnd_qualifier_seq_t qualifiers)
147 if (vector_qualifier_p (qualifiers[0]) == TRUE)
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].
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;
176 else if (fp_qualifier_p (qualifiers[0]) == TRUE)
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;
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
196 aarch64_select_operand_for_sizeq_field_coding (const aarch64_opcode *opcode)
199 significant_operand_index [get_data_pattern (opcode->qualifiers_list[0])];
202 const aarch64_field fields[] =
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 { 16, 3 }, /* SVE_imm3: 3-bit immediate field. */
300 { 16, 4 }, /* SVE_imm4: 4-bit immediate field. */
301 { 5, 5 }, /* SVE_imm5: 5-bit immediate field. */
302 { 16, 5 }, /* SVE_imm5b: secondary 5-bit immediate field. */
303 { 16, 6 }, /* SVE_imm6: 6-bit immediate field. */
304 { 14, 7 }, /* SVE_imm7: 7-bit immediate field. */
305 { 5, 8 }, /* SVE_imm8: 8-bit immediate field. */
306 { 5, 9 }, /* SVE_imm9: 9-bit immediate field. */
307 { 11, 6 }, /* SVE_immr: SVE equivalent of immr. */
308 { 5, 6 }, /* SVE_imms: SVE equivalent of imms. */
309 { 10, 2 }, /* SVE_msz: 2-bit shift amount for ADR. */
310 { 5, 5 }, /* SVE_pattern: vector pattern enumeration. */
311 { 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */
312 { 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */
313 { 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */
314 { 10, 1 }, /* SVE_rot3: 1-bit rotation amount at bit 10. */
315 { 22, 1 }, /* SVE_sz: 1-bit element size select. */
316 { 17, 2 }, /* SVE_size: 2-bit element size, bits [18,17]. */
317 { 30, 1 }, /* SVE_sz2: 1-bit element size select. */
318 { 16, 4 }, /* SVE_tsz: triangular size select. */
319 { 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */
320 { 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */
321 { 19, 2 }, /* SVE_tszl_19: triangular size select low, bits [20,19]. */
322 { 14, 1 }, /* SVE_xs_14: UXTW/SXTW select (bit 14). */
323 { 22, 1 }, /* SVE_xs_22: UXTW/SXTW select (bit 22). */
324 { 11, 2 }, /* rotate1: FCMLA immediate rotate. */
325 { 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */
326 { 12, 1 }, /* rotate3: FCADD immediate rotate. */
327 { 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */
328 { 22, 1 }, /* sz: 1-bit element size select. */
331 enum aarch64_operand_class
332 aarch64_get_operand_class (enum aarch64_opnd type)
334 return aarch64_operands[type].op_class;
338 aarch64_get_operand_name (enum aarch64_opnd type)
340 return aarch64_operands[type].name;
343 /* Get operand description string.
344 This is usually for the diagnosis purpose. */
346 aarch64_get_operand_desc (enum aarch64_opnd type)
348 return aarch64_operands[type].desc;
351 /* Table of all conditional affixes. */
352 const aarch64_cond aarch64_conds[16] =
354 {{"eq", "none"}, 0x0},
355 {{"ne", "any"}, 0x1},
356 {{"cs", "hs", "nlast"}, 0x2},
357 {{"cc", "lo", "ul", "last"}, 0x3},
358 {{"mi", "first"}, 0x4},
359 {{"pl", "nfrst"}, 0x5},
362 {{"hi", "pmore"}, 0x8},
363 {{"ls", "plast"}, 0x9},
364 {{"ge", "tcont"}, 0xa},
365 {{"lt", "tstop"}, 0xb},
373 get_cond_from_value (aarch64_insn value)
376 return &aarch64_conds[(unsigned int) value];
380 get_inverted_cond (const aarch64_cond *cond)
382 return &aarch64_conds[cond->value ^ 0x1];
385 /* Table describing the operand extension/shifting operators; indexed by
386 enum aarch64_modifier_kind.
388 The value column provides the most common values for encoding modifiers,
389 which enables table-driven encoding/decoding for the modifiers. */
390 const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
411 enum aarch64_modifier_kind
412 aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
414 return desc - aarch64_operand_modifiers;
418 aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
420 return aarch64_operand_modifiers[kind].value;
423 enum aarch64_modifier_kind
424 aarch64_get_operand_modifier_from_value (aarch64_insn value,
425 bfd_boolean extend_p)
427 if (extend_p == TRUE)
428 return AARCH64_MOD_UXTB + value;
430 return AARCH64_MOD_LSL - value;
434 aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
436 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
440 static inline bfd_boolean
441 aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
443 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
447 const struct aarch64_name_value_pair aarch64_barrier_options[16] =
467 /* Table describing the operands supported by the aliases of the HINT
470 The name column is the operand that is accepted for the alias. The value
471 column is the hint number of the alias. The list of operands is terminated
472 by NULL in the name column. */
474 const struct aarch64_name_value_pair aarch64_hint_options[] =
476 /* BTI. This is also the F_DEFAULT entry for AARCH64_OPND_BTI_TARGET. */
477 { " ", HINT_ENCODE (HINT_OPD_F_NOPRINT, 0x20) },
478 { "csync", HINT_OPD_CSYNC }, /* PSB CSYNC. */
479 { "c", HINT_OPD_C }, /* BTI C. */
480 { "j", HINT_OPD_J }, /* BTI J. */
481 { "jc", HINT_OPD_JC }, /* BTI JC. */
482 { NULL, HINT_OPD_NULL },
485 /* op -> op: load = 0 instruction = 1 store = 2
487 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
488 #define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
489 const struct aarch64_name_value_pair aarch64_prfops[32] =
491 { "pldl1keep", B(0, 1, 0) },
492 { "pldl1strm", B(0, 1, 1) },
493 { "pldl2keep", B(0, 2, 0) },
494 { "pldl2strm", B(0, 2, 1) },
495 { "pldl3keep", B(0, 3, 0) },
496 { "pldl3strm", B(0, 3, 1) },
499 { "plil1keep", B(1, 1, 0) },
500 { "plil1strm", B(1, 1, 1) },
501 { "plil2keep", B(1, 2, 0) },
502 { "plil2strm", B(1, 2, 1) },
503 { "plil3keep", B(1, 3, 0) },
504 { "plil3strm", B(1, 3, 1) },
507 { "pstl1keep", B(2, 1, 0) },
508 { "pstl1strm", B(2, 1, 1) },
509 { "pstl2keep", B(2, 2, 0) },
510 { "pstl2strm", B(2, 2, 1) },
511 { "pstl3keep", B(2, 3, 0) },
512 { "pstl3strm", B(2, 3, 1) },
526 /* Utilities on value constraint. */
529 value_in_range_p (int64_t value, int low, int high)
531 return (value >= low && value <= high) ? 1 : 0;
534 /* Return true if VALUE is a multiple of ALIGN. */
536 value_aligned_p (int64_t value, int align)
538 return (value % align) == 0;
541 /* A signed value fits in a field. */
543 value_fit_signed_field_p (int64_t value, unsigned width)
546 if (width < sizeof (value) * 8)
548 int64_t lim = (int64_t)1 << (width - 1);
549 if (value >= -lim && value < lim)
555 /* An unsigned value fits in a field. */
557 value_fit_unsigned_field_p (int64_t value, unsigned width)
560 if (width < sizeof (value) * 8)
562 int64_t lim = (int64_t)1 << width;
563 if (value >= 0 && value < lim)
569 /* Return 1 if OPERAND is SP or WSP. */
571 aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
573 return ((aarch64_get_operand_class (operand->type)
574 == AARCH64_OPND_CLASS_INT_REG)
575 && operand_maybe_stack_pointer (aarch64_operands + operand->type)
576 && operand->reg.regno == 31);
579 /* Return 1 if OPERAND is XZR or WZP. */
581 aarch64_zero_register_p (const aarch64_opnd_info *operand)
583 return ((aarch64_get_operand_class (operand->type)
584 == AARCH64_OPND_CLASS_INT_REG)
585 && !operand_maybe_stack_pointer (aarch64_operands + operand->type)
586 && operand->reg.regno == 31);
589 /* Return true if the operand *OPERAND that has the operand code
590 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
591 qualified by the qualifier TARGET. */
594 operand_also_qualified_p (const struct aarch64_opnd_info *operand,
595 aarch64_opnd_qualifier_t target)
597 switch (operand->qualifier)
599 case AARCH64_OPND_QLF_W:
600 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
603 case AARCH64_OPND_QLF_X:
604 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
607 case AARCH64_OPND_QLF_WSP:
608 if (target == AARCH64_OPND_QLF_W
609 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
612 case AARCH64_OPND_QLF_SP:
613 if (target == AARCH64_OPND_QLF_X
614 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
624 /* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
625 for operand KNOWN_IDX, return the expected qualifier for operand IDX.
627 Return NIL if more than one expected qualifiers are found. */
629 aarch64_opnd_qualifier_t
630 aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
632 const aarch64_opnd_qualifier_t known_qlf,
639 When the known qualifier is NIL, we have to assume that there is only
640 one qualifier sequence in the *QSEQ_LIST and return the corresponding
641 qualifier directly. One scenario is that for instruction
642 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
643 which has only one possible valid qualifier sequence
645 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
646 determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
648 Because the qualifier NIL has dual roles in the qualifier sequence:
649 it can mean no qualifier for the operand, or the qualifer sequence is
650 not in use (when all qualifiers in the sequence are NILs), we have to
651 handle this special case here. */
652 if (known_qlf == AARCH64_OPND_NIL)
654 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
655 return qseq_list[0][idx];
658 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
660 if (qseq_list[i][known_idx] == known_qlf)
663 /* More than one sequences are found to have KNOWN_QLF at
665 return AARCH64_OPND_NIL;
670 return qseq_list[saved_i][idx];
673 enum operand_qualifier_kind
681 /* Operand qualifier description. */
682 struct operand_qualifier_data
684 /* The usage of the three data fields depends on the qualifier kind. */
691 enum operand_qualifier_kind kind;
694 /* Indexed by the operand qualifier enumerators. */
695 struct operand_qualifier_data aarch64_opnd_qualifiers[] =
697 {0, 0, 0, "NIL", OQK_NIL},
699 /* Operand variant qualifiers.
701 element size, number of elements and common value for encoding. */
703 {4, 1, 0x0, "w", OQK_OPD_VARIANT},
704 {8, 1, 0x1, "x", OQK_OPD_VARIANT},
705 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
706 {8, 1, 0x1, "sp", OQK_OPD_VARIANT},
708 {1, 1, 0x0, "b", OQK_OPD_VARIANT},
709 {2, 1, 0x1, "h", OQK_OPD_VARIANT},
710 {4, 1, 0x2, "s", OQK_OPD_VARIANT},
711 {8, 1, 0x3, "d", OQK_OPD_VARIANT},
712 {16, 1, 0x4, "q", OQK_OPD_VARIANT},
713 {4, 1, 0x0, "4b", OQK_OPD_VARIANT},
715 {1, 4, 0x0, "4b", OQK_OPD_VARIANT},
716 {1, 8, 0x0, "8b", OQK_OPD_VARIANT},
717 {1, 16, 0x1, "16b", OQK_OPD_VARIANT},
718 {2, 2, 0x0, "2h", OQK_OPD_VARIANT},
719 {2, 4, 0x2, "4h", OQK_OPD_VARIANT},
720 {2, 8, 0x3, "8h", OQK_OPD_VARIANT},
721 {4, 2, 0x4, "2s", OQK_OPD_VARIANT},
722 {4, 4, 0x5, "4s", OQK_OPD_VARIANT},
723 {8, 1, 0x6, "1d", OQK_OPD_VARIANT},
724 {8, 2, 0x7, "2d", OQK_OPD_VARIANT},
725 {16, 1, 0x8, "1q", OQK_OPD_VARIANT},
727 {0, 0, 0, "z", OQK_OPD_VARIANT},
728 {0, 0, 0, "m", OQK_OPD_VARIANT},
730 /* Qualifier for scaled immediate for Tag granule (stg,st2g,etc). */
731 {16, 0, 0, "tag", OQK_OPD_VARIANT},
733 /* Qualifiers constraining the value range.
735 Lower bound, higher bound, unused. */
737 {0, 15, 0, "CR", OQK_VALUE_IN_RANGE},
738 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
739 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
740 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
741 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
742 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
743 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
745 /* Qualifiers for miscellaneous purpose.
747 unused, unused and unused. */
752 {0, 0, 0, "retrieving", 0},
755 static inline bfd_boolean
756 operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
758 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
762 static inline bfd_boolean
763 qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
765 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
770 aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
772 return aarch64_opnd_qualifiers[qualifier].desc;
775 /* Given an operand qualifier, return the expected data element size
776 of a qualified operand. */
778 aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
780 assert (operand_variant_qualifier_p (qualifier) == TRUE);
781 return aarch64_opnd_qualifiers[qualifier].data0;
785 aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
787 assert (operand_variant_qualifier_p (qualifier) == TRUE);
788 return aarch64_opnd_qualifiers[qualifier].data1;
792 aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
794 assert (operand_variant_qualifier_p (qualifier) == TRUE);
795 return aarch64_opnd_qualifiers[qualifier].data2;
799 get_lower_bound (aarch64_opnd_qualifier_t qualifier)
801 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
802 return aarch64_opnd_qualifiers[qualifier].data0;
806 get_upper_bound (aarch64_opnd_qualifier_t qualifier)
808 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
809 return aarch64_opnd_qualifiers[qualifier].data1;
814 aarch64_verbose (const char *str, ...)
825 dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
829 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
830 printf ("%s,", aarch64_get_qualifier_name (*qualifier));
835 dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
836 const aarch64_opnd_qualifier_t *qualifier)
839 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
841 aarch64_verbose ("dump_match_qualifiers:");
842 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
843 curr[i] = opnd[i].qualifier;
844 dump_qualifier_sequence (curr);
845 aarch64_verbose ("against");
846 dump_qualifier_sequence (qualifier);
848 #endif /* DEBUG_AARCH64 */
850 /* This function checks if the given instruction INSN is a destructive
851 instruction based on the usage of the registers. It does not recognize
852 unary destructive instructions. */
854 aarch64_is_destructive_by_operands (const aarch64_opcode *opcode)
857 const enum aarch64_opnd *opnds = opcode->operands;
859 if (opnds[0] == AARCH64_OPND_NIL)
862 while (opnds[++i] != AARCH64_OPND_NIL)
863 if (opnds[i] == opnds[0])
869 /* TODO improve this, we can have an extra field at the runtime to
870 store the number of operands rather than calculating it every time. */
873 aarch64_num_of_operands (const aarch64_opcode *opcode)
876 const enum aarch64_opnd *opnds = opcode->operands;
877 while (opnds[i++] != AARCH64_OPND_NIL)
880 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
884 /* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
885 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
887 N.B. on the entry, it is very likely that only some operands in *INST
888 have had their qualifiers been established.
890 If STOP_AT is not -1, the function will only try to match
891 the qualifier sequence for operands before and including the operand
892 of index STOP_AT; and on success *RET will only be filled with the first
893 (STOP_AT+1) qualifiers.
895 A couple examples of the matching algorithm:
903 Apart from serving the main encoding routine, this can also be called
904 during or after the operand decoding. */
907 aarch64_find_best_match (const aarch64_inst *inst,
908 const aarch64_opnd_qualifier_seq_t *qualifiers_list,
909 int stop_at, aarch64_opnd_qualifier_t *ret)
913 const aarch64_opnd_qualifier_t *qualifiers;
915 num_opnds = aarch64_num_of_operands (inst->opcode);
918 DEBUG_TRACE ("SUCCEED: no operand");
922 if (stop_at < 0 || stop_at >= num_opnds)
923 stop_at = num_opnds - 1;
925 /* For each pattern. */
926 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
929 qualifiers = *qualifiers_list;
931 /* Start as positive. */
934 DEBUG_TRACE ("%d", i);
937 dump_match_qualifiers (inst->operands, qualifiers);
940 /* Most opcodes has much fewer patterns in the list.
941 First NIL qualifier indicates the end in the list. */
942 if (empty_qualifier_sequence_p (qualifiers) == TRUE)
944 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
950 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
952 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
954 /* Either the operand does not have qualifier, or the qualifier
955 for the operand needs to be deduced from the qualifier
957 In the latter case, any constraint checking related with
958 the obtained qualifier should be done later in
959 operand_general_constraint_met_p. */
962 else if (*qualifiers != inst->operands[j].qualifier)
964 /* Unless the target qualifier can also qualify the operand
965 (which has already had a non-nil qualifier), non-equal
966 qualifiers are generally un-matched. */
967 if (operand_also_qualified_p (inst->operands + j, *qualifiers))
976 continue; /* Equal qualifiers are certainly matched. */
979 /* Qualifiers established. */
986 /* Fill the result in *RET. */
988 qualifiers = *qualifiers_list;
990 DEBUG_TRACE ("complete qualifiers using list %d", i);
993 dump_qualifier_sequence (qualifiers);
996 for (j = 0; j <= stop_at; ++j, ++qualifiers)
997 ret[j] = *qualifiers;
998 for (; j < AARCH64_MAX_OPND_NUM; ++j)
999 ret[j] = AARCH64_OPND_QLF_NIL;
1001 DEBUG_TRACE ("SUCCESS");
1005 DEBUG_TRACE ("FAIL");
1009 /* Operand qualifier matching and resolving.
1011 Return 1 if the operand qualifier(s) in *INST match one of the qualifier
1012 sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
1014 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
1018 match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
1021 aarch64_opnd_qualifier_seq_t qualifiers;
1023 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
1026 DEBUG_TRACE ("matching FAIL");
1030 if (inst->opcode->flags & F_STRICT)
1032 /* Require an exact qualifier match, even for NIL qualifiers. */
1033 nops = aarch64_num_of_operands (inst->opcode);
1034 for (i = 0; i < nops; ++i)
1035 if (inst->operands[i].qualifier != qualifiers[i])
1039 /* Update the qualifiers. */
1040 if (update_p == TRUE)
1041 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
1043 if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
1045 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
1046 "update %s with %s for operand %d",
1047 aarch64_get_qualifier_name (inst->operands[i].qualifier),
1048 aarch64_get_qualifier_name (qualifiers[i]), i);
1049 inst->operands[i].qualifier = qualifiers[i];
1052 DEBUG_TRACE ("matching SUCCESS");
1056 /* Return TRUE if VALUE is a wide constant that can be moved into a general
1059 IS32 indicates whether value is a 32-bit immediate or not.
1060 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
1061 amount will be returned in *SHIFT_AMOUNT. */
1064 aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
1068 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1072 /* Allow all zeros or all ones in top 32-bits, so that
1073 32-bit constant expressions like ~0x80000000 are
1075 uint64_t ext = value;
1076 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
1077 /* Immediate out of range. */
1079 value &= (int64_t) 0xffffffff;
1082 /* first, try movz then movn */
1084 if ((value & ((int64_t) 0xffff << 0)) == value)
1086 else if ((value & ((int64_t) 0xffff << 16)) == value)
1088 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
1090 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
1095 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1099 if (shift_amount != NULL)
1100 *shift_amount = amount;
1102 DEBUG_TRACE ("exit TRUE with amount %d", amount);
1107 /* Build the accepted values for immediate logical SIMD instructions.
1109 The standard encodings of the immediate value are:
1110 N imms immr SIMD size R S
1111 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
1112 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
1113 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
1114 0 110sss 000rrr 8 UInt(rrr) UInt(sss)
1115 0 1110ss 0000rr 4 UInt(rr) UInt(ss)
1116 0 11110s 00000r 2 UInt(r) UInt(s)
1117 where all-ones value of S is reserved.
1119 Let's call E the SIMD size.
1121 The immediate value is: S+1 bits '1' rotated to the right by R.
1123 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
1124 (remember S != E - 1). */
1126 #define TOTAL_IMM_NB 5334
1131 aarch64_insn encoding;
1132 } simd_imm_encoding;
1134 static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
1137 simd_imm_encoding_cmp(const void *i1, const void *i2)
1139 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
1140 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
1142 if (imm1->imm < imm2->imm)
1144 if (imm1->imm > imm2->imm)
1149 /* immediate bitfield standard encoding
1150 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
1151 1 ssssss rrrrrr 64 rrrrrr ssssss
1152 0 0sssss 0rrrrr 32 rrrrr sssss
1153 0 10ssss 00rrrr 16 rrrr ssss
1154 0 110sss 000rrr 8 rrr sss
1155 0 1110ss 0000rr 4 rr ss
1156 0 11110s 00000r 2 r s */
1158 encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
1160 return (is64 << 12) | (r << 6) | s;
1164 build_immediate_table (void)
1166 uint32_t log_e, e, s, r, s_mask;
1172 for (log_e = 1; log_e <= 6; log_e++)
1174 /* Get element size. */
1179 mask = 0xffffffffffffffffull;
1185 mask = (1ull << e) - 1;
1187 1 ((1 << 4) - 1) << 2 = 111100
1188 2 ((1 << 3) - 1) << 3 = 111000
1189 3 ((1 << 2) - 1) << 4 = 110000
1190 4 ((1 << 1) - 1) << 5 = 100000
1191 5 ((1 << 0) - 1) << 6 = 000000 */
1192 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
1194 for (s = 0; s < e - 1; s++)
1195 for (r = 0; r < e; r++)
1197 /* s+1 consecutive bits to 1 (s < 63) */
1198 imm = (1ull << (s + 1)) - 1;
1199 /* rotate right by r */
1201 imm = (imm >> r) | ((imm << (e - r)) & mask);
1202 /* replicate the constant depending on SIMD size */
1205 case 1: imm = (imm << 2) | imm;
1207 case 2: imm = (imm << 4) | imm;
1209 case 3: imm = (imm << 8) | imm;
1211 case 4: imm = (imm << 16) | imm;
1213 case 5: imm = (imm << 32) | imm;
1218 simd_immediates[nb_imms].imm = imm;
1219 simd_immediates[nb_imms].encoding =
1220 encode_immediate_bitfield(is64, s | s_mask, r);
1224 assert (nb_imms == TOTAL_IMM_NB);
1225 qsort(simd_immediates, nb_imms,
1226 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1229 /* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
1230 be accepted by logical (immediate) instructions
1231 e.g. ORR <Xd|SP>, <Xn>, #<imm>.
1233 ESIZE is the number of bytes in the decoded immediate value.
1234 If ENCODING is not NULL, on the return of TRUE, the standard encoding for
1235 VALUE will be returned in *ENCODING. */
1238 aarch64_logical_immediate_p (uint64_t value, int esize, aarch64_insn *encoding)
1240 simd_imm_encoding imm_enc;
1241 const simd_imm_encoding *imm_encoding;
1242 static bfd_boolean initialized = FALSE;
1246 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), esize: %d", value,
1251 build_immediate_table ();
1255 /* Allow all zeros or all ones in top bits, so that
1256 constant expressions like ~1 are permitted. */
1257 upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
1258 if ((value & ~upper) != value && (value | upper) != value)
1261 /* Replicate to a full 64-bit value. */
1263 for (i = esize * 8; i < 64; i *= 2)
1264 value |= (value << i);
1266 imm_enc.imm = value;
1267 imm_encoding = (const simd_imm_encoding *)
1268 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
1269 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1270 if (imm_encoding == NULL)
1272 DEBUG_TRACE ("exit with FALSE");
1275 if (encoding != NULL)
1276 *encoding = imm_encoding->encoding;
1277 DEBUG_TRACE ("exit with TRUE");
1281 /* If 64-bit immediate IMM is in the format of
1282 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
1283 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
1284 of value "abcdefgh". Otherwise return -1. */
1286 aarch64_shrink_expanded_imm8 (uint64_t imm)
1292 for (i = 0; i < 8; i++)
1294 byte = (imm >> (8 * i)) & 0xff;
1297 else if (byte != 0x00)
1303 /* Utility inline functions for operand_general_constraint_met_p. */
1306 set_error (aarch64_operand_error *mismatch_detail,
1307 enum aarch64_operand_error_kind kind, int idx,
1310 if (mismatch_detail == NULL)
1312 mismatch_detail->kind = kind;
1313 mismatch_detail->index = idx;
1314 mismatch_detail->error = error;
1318 set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
1321 if (mismatch_detail == NULL)
1323 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
1327 set_out_of_range_error (aarch64_operand_error *mismatch_detail,
1328 int idx, int lower_bound, int upper_bound,
1331 if (mismatch_detail == NULL)
1333 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
1334 mismatch_detail->data[0] = lower_bound;
1335 mismatch_detail->data[1] = upper_bound;
1339 set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
1340 int idx, int lower_bound, int upper_bound)
1342 if (mismatch_detail == NULL)
1344 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1345 _("immediate value"));
1349 set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
1350 int idx, int lower_bound, int upper_bound)
1352 if (mismatch_detail == NULL)
1354 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1355 _("immediate offset"));
1359 set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
1360 int idx, int lower_bound, int upper_bound)
1362 if (mismatch_detail == NULL)
1364 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1365 _("register number"));
1369 set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
1370 int idx, int lower_bound, int upper_bound)
1372 if (mismatch_detail == NULL)
1374 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1375 _("register element index"));
1379 set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
1380 int idx, int lower_bound, int upper_bound)
1382 if (mismatch_detail == NULL)
1384 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1388 /* Report that the MUL modifier in operand IDX should be in the range
1389 [LOWER_BOUND, UPPER_BOUND]. */
1391 set_multiplier_out_of_range_error (aarch64_operand_error *mismatch_detail,
1392 int idx, int lower_bound, int upper_bound)
1394 if (mismatch_detail == NULL)
1396 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1401 set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
1404 if (mismatch_detail == NULL)
1406 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
1407 mismatch_detail->data[0] = alignment;
1411 set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
1414 if (mismatch_detail == NULL)
1416 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
1417 mismatch_detail->data[0] = expected_num;
1421 set_other_error (aarch64_operand_error *mismatch_detail, int idx,
1424 if (mismatch_detail == NULL)
1426 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
1429 /* General constraint checking based on operand code.
1431 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
1432 as the IDXth operand of opcode OPCODE. Otherwise return 0.
1434 This function has to be called after the qualifiers for all operands
1437 Mismatching error message is returned in *MISMATCH_DETAIL upon request,
1438 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
1439 of error message during the disassembling where error message is not
1440 wanted. We avoid the dynamic construction of strings of error messages
1441 here (i.e. in libopcodes), as it is costly and complicated; instead, we
1442 use a combination of error code, static string and some integer data to
1443 represent an error. */
1446 operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
1447 enum aarch64_opnd type,
1448 const aarch64_opcode *opcode,
1449 aarch64_operand_error *mismatch_detail)
1451 unsigned num, modifiers, shift;
1453 int64_t imm, min_value, max_value;
1454 uint64_t uvalue, mask;
1455 const aarch64_opnd_info *opnd = opnds + idx;
1456 aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
1458 assert (opcode->operands[idx] == opnd->type && opnd->type == type);
1460 switch (aarch64_operands[type].op_class)
1462 case AARCH64_OPND_CLASS_INT_REG:
1463 /* Check pair reg constraints for cas* instructions. */
1464 if (type == AARCH64_OPND_PAIRREG)
1466 assert (idx == 1 || idx == 3);
1467 if (opnds[idx - 1].reg.regno % 2 != 0)
1469 set_syntax_error (mismatch_detail, idx - 1,
1470 _("reg pair must start from even reg"));
1473 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
1475 set_syntax_error (mismatch_detail, idx,
1476 _("reg pair must be contiguous"));
1482 /* <Xt> may be optional in some IC and TLBI instructions. */
1483 if (type == AARCH64_OPND_Rt_SYS)
1485 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
1486 == AARCH64_OPND_CLASS_SYSTEM));
1487 if (opnds[1].present
1488 && !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1490 set_other_error (mismatch_detail, idx, _("extraneous register"));
1493 if (!opnds[1].present
1494 && aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1496 set_other_error (mismatch_detail, idx, _("missing register"));
1502 case AARCH64_OPND_QLF_WSP:
1503 case AARCH64_OPND_QLF_SP:
1504 if (!aarch64_stack_pointer_p (opnd))
1506 set_other_error (mismatch_detail, idx,
1507 _("stack pointer register expected"));
1516 case AARCH64_OPND_CLASS_SVE_REG:
1519 case AARCH64_OPND_SVE_Zm3_INDEX:
1520 case AARCH64_OPND_SVE_Zm3_22_INDEX:
1521 case AARCH64_OPND_SVE_Zm3_11_INDEX:
1522 case AARCH64_OPND_SVE_Zm4_INDEX:
1523 size = get_operand_fields_width (get_operand_from_code (type));
1524 shift = get_operand_specific_data (&aarch64_operands[type]);
1525 mask = (1 << shift) - 1;
1526 if (opnd->reg.regno > mask)
1528 assert (mask == 7 || mask == 15);
1529 set_other_error (mismatch_detail, idx,
1531 ? _("z0-z15 expected")
1532 : _("z0-z7 expected"));
1535 mask = (1 << (size - shift)) - 1;
1536 if (!value_in_range_p (opnd->reglane.index, 0, mask))
1538 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask);
1543 case AARCH64_OPND_SVE_Zn_INDEX:
1544 size = aarch64_get_qualifier_esize (opnd->qualifier);
1545 if (!value_in_range_p (opnd->reglane.index, 0, 64 / size - 1))
1547 set_elem_idx_out_of_range_error (mismatch_detail, idx,
1553 case AARCH64_OPND_SVE_ZnxN:
1554 case AARCH64_OPND_SVE_ZtxN:
1555 if (opnd->reglist.num_regs != get_opcode_dependent_value (opcode))
1557 set_other_error (mismatch_detail, idx,
1558 _("invalid register list"));
1568 case AARCH64_OPND_CLASS_PRED_REG:
1569 if (opnd->reg.regno >= 8
1570 && get_operand_fields_width (get_operand_from_code (type)) == 3)
1572 set_other_error (mismatch_detail, idx, _("p0-p7 expected"));
1577 case AARCH64_OPND_CLASS_COND:
1578 if (type == AARCH64_OPND_COND1
1579 && (opnds[idx].cond->value & 0xe) == 0xe)
1581 /* Not allow AL or NV. */
1582 set_syntax_error (mismatch_detail, idx, NULL);
1586 case AARCH64_OPND_CLASS_ADDRESS:
1587 /* Check writeback. */
1588 switch (opcode->iclass)
1592 case ldstnapair_offs:
1595 if (opnd->addr.writeback == 1)
1597 set_syntax_error (mismatch_detail, idx,
1598 _("unexpected address writeback"));
1603 if (opnd->addr.writeback == 1 && opnd->addr.preind != 1)
1605 set_syntax_error (mismatch_detail, idx,
1606 _("unexpected address writeback"));
1611 case ldstpair_indexed:
1614 if (opnd->addr.writeback == 0)
1616 set_syntax_error (mismatch_detail, idx,
1617 _("address writeback expected"));
1622 assert (opnd->addr.writeback == 0);
1627 case AARCH64_OPND_ADDR_SIMM7:
1628 /* Scaled signed 7 bits immediate offset. */
1629 /* Get the size of the data element that is accessed, which may be
1630 different from that of the source register size,
1631 e.g. in strb/ldrb. */
1632 size = aarch64_get_qualifier_esize (opnd->qualifier);
1633 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
1635 set_offset_out_of_range_error (mismatch_detail, idx,
1636 -64 * size, 63 * size);
1639 if (!value_aligned_p (opnd->addr.offset.imm, size))
1641 set_unaligned_error (mismatch_detail, idx, size);
1645 case AARCH64_OPND_ADDR_OFFSET:
1646 case AARCH64_OPND_ADDR_SIMM9:
1647 /* Unscaled signed 9 bits immediate offset. */
1648 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
1650 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
1655 case AARCH64_OPND_ADDR_SIMM9_2:
1656 /* Unscaled signed 9 bits immediate offset, which has to be negative
1658 size = aarch64_get_qualifier_esize (qualifier);
1659 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
1660 && !value_aligned_p (opnd->addr.offset.imm, size))
1661 || value_in_range_p (opnd->addr.offset.imm, -256, -1))
1663 set_other_error (mismatch_detail, idx,
1664 _("negative or unaligned offset expected"));
1667 case AARCH64_OPND_ADDR_SIMM10:
1668 /* Scaled signed 10 bits immediate offset. */
1669 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4088))
1671 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4088);
1674 if (!value_aligned_p (opnd->addr.offset.imm, 8))
1676 set_unaligned_error (mismatch_detail, idx, 8);
1681 case AARCH64_OPND_ADDR_SIMM11:
1682 /* Signed 11 bits immediate offset (multiple of 16). */
1683 if (!value_in_range_p (opnd->addr.offset.imm, -1024, 1008))
1685 set_offset_out_of_range_error (mismatch_detail, idx, -1024, 1008);
1689 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1691 set_unaligned_error (mismatch_detail, idx, 16);
1696 case AARCH64_OPND_ADDR_SIMM13:
1697 /* Signed 13 bits immediate offset (multiple of 16). */
1698 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4080))
1700 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4080);
1704 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1706 set_unaligned_error (mismatch_detail, idx, 16);
1711 case AARCH64_OPND_SIMD_ADDR_POST:
1712 /* AdvSIMD load/store multiple structures, post-index. */
1714 if (opnd->addr.offset.is_reg)
1716 if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
1720 set_other_error (mismatch_detail, idx,
1721 _("invalid register offset"));
1727 const aarch64_opnd_info *prev = &opnds[idx-1];
1728 unsigned num_bytes; /* total number of bytes transferred. */
1729 /* The opcode dependent area stores the number of elements in
1730 each structure to be loaded/stored. */
1731 int is_ld1r = get_opcode_dependent_value (opcode) == 1;
1732 if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
1733 /* Special handling of loading single structure to all lane. */
1734 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
1735 * aarch64_get_qualifier_esize (prev->qualifier);
1737 num_bytes = prev->reglist.num_regs
1738 * aarch64_get_qualifier_esize (prev->qualifier)
1739 * aarch64_get_qualifier_nelem (prev->qualifier);
1740 if ((int) num_bytes != opnd->addr.offset.imm)
1742 set_other_error (mismatch_detail, idx,
1743 _("invalid post-increment amount"));
1749 case AARCH64_OPND_ADDR_REGOFF:
1750 /* Get the size of the data element that is accessed, which may be
1751 different from that of the source register size,
1752 e.g. in strb/ldrb. */
1753 size = aarch64_get_qualifier_esize (opnd->qualifier);
1754 /* It is either no shift or shift by the binary logarithm of SIZE. */
1755 if (opnd->shifter.amount != 0
1756 && opnd->shifter.amount != (int)get_logsz (size))
1758 set_other_error (mismatch_detail, idx,
1759 _("invalid shift amount"));
1762 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending
1764 switch (opnd->shifter.kind)
1766 case AARCH64_MOD_UXTW:
1767 case AARCH64_MOD_LSL:
1768 case AARCH64_MOD_SXTW:
1769 case AARCH64_MOD_SXTX: break;
1771 set_other_error (mismatch_detail, idx,
1772 _("invalid extend/shift operator"));
1777 case AARCH64_OPND_ADDR_UIMM12:
1778 imm = opnd->addr.offset.imm;
1779 /* Get the size of the data element that is accessed, which may be
1780 different from that of the source register size,
1781 e.g. in strb/ldrb. */
1782 size = aarch64_get_qualifier_esize (qualifier);
1783 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
1785 set_offset_out_of_range_error (mismatch_detail, idx,
1789 if (!value_aligned_p (opnd->addr.offset.imm, size))
1791 set_unaligned_error (mismatch_detail, idx, size);
1796 case AARCH64_OPND_ADDR_PCREL14:
1797 case AARCH64_OPND_ADDR_PCREL19:
1798 case AARCH64_OPND_ADDR_PCREL21:
1799 case AARCH64_OPND_ADDR_PCREL26:
1800 imm = opnd->imm.value;
1801 if (operand_need_shift_by_two (get_operand_from_code (type)))
1803 /* The offset value in a PC-relative branch instruction is alway
1804 4-byte aligned and is encoded without the lowest 2 bits. */
1805 if (!value_aligned_p (imm, 4))
1807 set_unaligned_error (mismatch_detail, idx, 4);
1810 /* Right shift by 2 so that we can carry out the following check
1814 size = get_operand_fields_width (get_operand_from_code (type));
1815 if (!value_fit_signed_field_p (imm, size))
1817 set_other_error (mismatch_detail, idx,
1818 _("immediate out of range"));
1823 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
1824 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
1825 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
1826 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
1830 assert (!opnd->addr.offset.is_reg);
1831 assert (opnd->addr.preind);
1832 num = 1 + get_operand_specific_data (&aarch64_operands[type]);
1835 if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present)
1836 || (opnd->shifter.operator_present
1837 && opnd->shifter.kind != AARCH64_MOD_MUL_VL))
1839 set_other_error (mismatch_detail, idx,
1840 _("invalid addressing mode"));
1843 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1845 set_offset_out_of_range_error (mismatch_detail, idx,
1846 min_value, max_value);
1849 if (!value_aligned_p (opnd->addr.offset.imm, num))
1851 set_unaligned_error (mismatch_detail, idx, num);
1856 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
1859 goto sve_imm_offset_vl;
1861 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
1864 goto sve_imm_offset_vl;
1866 case AARCH64_OPND_SVE_ADDR_RI_U6:
1867 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
1868 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
1869 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
1873 assert (!opnd->addr.offset.is_reg);
1874 assert (opnd->addr.preind);
1875 num = 1 << get_operand_specific_data (&aarch64_operands[type]);
1878 if (opnd->shifter.operator_present
1879 || opnd->shifter.amount_present)
1881 set_other_error (mismatch_detail, idx,
1882 _("invalid addressing mode"));
1885 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1887 set_offset_out_of_range_error (mismatch_detail, idx,
1888 min_value, max_value);
1891 if (!value_aligned_p (opnd->addr.offset.imm, num))
1893 set_unaligned_error (mismatch_detail, idx, num);
1898 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
1901 goto sve_imm_offset;
1903 case AARCH64_OPND_SVE_ADDR_ZX:
1904 /* Everything is already ensured by parse_operands or
1905 aarch64_ext_sve_addr_rr_lsl (because this is a very specific
1907 assert (opnd->addr.offset.is_reg);
1908 assert (opnd->addr.preind);
1909 assert ((aarch64_operands[type].flags & OPD_F_NO_ZR) == 0);
1910 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
1911 assert (opnd->shifter.operator_present == 0);
1914 case AARCH64_OPND_SVE_ADDR_R:
1915 case AARCH64_OPND_SVE_ADDR_RR:
1916 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
1917 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
1918 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
1919 case AARCH64_OPND_SVE_ADDR_RX:
1920 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
1921 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
1922 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
1923 case AARCH64_OPND_SVE_ADDR_RZ:
1924 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
1925 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
1926 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
1927 modifiers = 1 << AARCH64_MOD_LSL;
1929 assert (opnd->addr.offset.is_reg);
1930 assert (opnd->addr.preind);
1931 if ((aarch64_operands[type].flags & OPD_F_NO_ZR) != 0
1932 && opnd->addr.offset.regno == 31)
1934 set_other_error (mismatch_detail, idx,
1935 _("index register xzr is not allowed"));
1938 if (((1 << opnd->shifter.kind) & modifiers) == 0
1939 || (opnd->shifter.amount
1940 != get_operand_specific_data (&aarch64_operands[type])))
1942 set_other_error (mismatch_detail, idx,
1943 _("invalid addressing mode"));
1948 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
1949 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
1950 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
1951 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
1952 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
1953 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
1954 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
1955 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
1956 modifiers = (1 << AARCH64_MOD_SXTW) | (1 << AARCH64_MOD_UXTW);
1957 goto sve_rr_operand;
1959 case AARCH64_OPND_SVE_ADDR_ZI_U5:
1960 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
1961 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
1962 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
1965 goto sve_imm_offset;
1967 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
1968 modifiers = 1 << AARCH64_MOD_LSL;
1970 assert (opnd->addr.offset.is_reg);
1971 assert (opnd->addr.preind);
1972 if (((1 << opnd->shifter.kind) & modifiers) == 0
1973 || opnd->shifter.amount < 0
1974 || opnd->shifter.amount > 3)
1976 set_other_error (mismatch_detail, idx,
1977 _("invalid addressing mode"));
1982 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
1983 modifiers = (1 << AARCH64_MOD_SXTW);
1984 goto sve_zz_operand;
1986 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
1987 modifiers = 1 << AARCH64_MOD_UXTW;
1988 goto sve_zz_operand;
1995 case AARCH64_OPND_CLASS_SIMD_REGLIST:
1996 if (type == AARCH64_OPND_LEt)
1998 /* Get the upper bound for the element index. */
1999 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
2000 if (!value_in_range_p (opnd->reglist.index, 0, num))
2002 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2006 /* The opcode dependent area stores the number of elements in
2007 each structure to be loaded/stored. */
2008 num = get_opcode_dependent_value (opcode);
2011 case AARCH64_OPND_LVt:
2012 assert (num >= 1 && num <= 4);
2013 /* Unless LD1/ST1, the number of registers should be equal to that
2014 of the structure elements. */
2015 if (num != 1 && opnd->reglist.num_regs != num)
2017 set_reg_list_error (mismatch_detail, idx, num);
2021 case AARCH64_OPND_LVt_AL:
2022 case AARCH64_OPND_LEt:
2023 assert (num >= 1 && num <= 4);
2024 /* The number of registers should be equal to that of the structure
2026 if (opnd->reglist.num_regs != num)
2028 set_reg_list_error (mismatch_detail, idx, num);
2037 case AARCH64_OPND_CLASS_IMMEDIATE:
2038 /* Constraint check on immediate operand. */
2039 imm = opnd->imm.value;
2040 /* E.g. imm_0_31 constrains value to be 0..31. */
2041 if (qualifier_value_in_range_constraint_p (qualifier)
2042 && !value_in_range_p (imm, get_lower_bound (qualifier),
2043 get_upper_bound (qualifier)))
2045 set_imm_out_of_range_error (mismatch_detail, idx,
2046 get_lower_bound (qualifier),
2047 get_upper_bound (qualifier));
2053 case AARCH64_OPND_AIMM:
2054 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2056 set_other_error (mismatch_detail, idx,
2057 _("invalid shift operator"));
2060 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
2062 set_other_error (mismatch_detail, idx,
2063 _("shift amount must be 0 or 12"));
2066 if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
2068 set_other_error (mismatch_detail, idx,
2069 _("immediate out of range"));
2074 case AARCH64_OPND_HALF:
2075 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
2076 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2078 set_other_error (mismatch_detail, idx,
2079 _("invalid shift operator"));
2082 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2083 if (!value_aligned_p (opnd->shifter.amount, 16))
2085 set_other_error (mismatch_detail, idx,
2086 _("shift amount must be a multiple of 16"));
2089 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
2091 set_sft_amount_out_of_range_error (mismatch_detail, idx,
2095 if (opnd->imm.value < 0)
2097 set_other_error (mismatch_detail, idx,
2098 _("negative immediate value not allowed"));
2101 if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
2103 set_other_error (mismatch_detail, idx,
2104 _("immediate out of range"));
2109 case AARCH64_OPND_IMM_MOV:
2111 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2112 imm = opnd->imm.value;
2116 case OP_MOV_IMM_WIDEN:
2119 case OP_MOV_IMM_WIDE:
2120 if (!aarch64_wide_constant_p (imm, esize == 4, NULL))
2122 set_other_error (mismatch_detail, idx,
2123 _("immediate out of range"));
2127 case OP_MOV_IMM_LOG:
2128 if (!aarch64_logical_immediate_p (imm, esize, NULL))
2130 set_other_error (mismatch_detail, idx,
2131 _("immediate out of range"));
2142 case AARCH64_OPND_NZCV:
2143 case AARCH64_OPND_CCMP_IMM:
2144 case AARCH64_OPND_EXCEPTION:
2145 case AARCH64_OPND_TME_UIMM16:
2146 case AARCH64_OPND_UIMM4:
2147 case AARCH64_OPND_UIMM4_ADDG:
2148 case AARCH64_OPND_UIMM7:
2149 case AARCH64_OPND_UIMM3_OP1:
2150 case AARCH64_OPND_UIMM3_OP2:
2151 case AARCH64_OPND_SVE_UIMM3:
2152 case AARCH64_OPND_SVE_UIMM7:
2153 case AARCH64_OPND_SVE_UIMM8:
2154 case AARCH64_OPND_SVE_UIMM8_53:
2155 size = get_operand_fields_width (get_operand_from_code (type));
2157 if (!value_fit_unsigned_field_p (opnd->imm.value, size))
2159 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2165 case AARCH64_OPND_UIMM10:
2166 /* Scaled unsigned 10 bits immediate offset. */
2167 if (!value_in_range_p (opnd->imm.value, 0, 1008))
2169 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1008);
2173 if (!value_aligned_p (opnd->imm.value, 16))
2175 set_unaligned_error (mismatch_detail, idx, 16);
2180 case AARCH64_OPND_SIMM5:
2181 case AARCH64_OPND_SVE_SIMM5:
2182 case AARCH64_OPND_SVE_SIMM5B:
2183 case AARCH64_OPND_SVE_SIMM6:
2184 case AARCH64_OPND_SVE_SIMM8:
2185 size = get_operand_fields_width (get_operand_from_code (type));
2187 if (!value_fit_signed_field_p (opnd->imm.value, size))
2189 set_imm_out_of_range_error (mismatch_detail, idx,
2191 (1 << (size - 1)) - 1);
2196 case AARCH64_OPND_WIDTH:
2197 assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM
2198 && opnds[0].type == AARCH64_OPND_Rd);
2199 size = get_upper_bound (qualifier);
2200 if (opnd->imm.value + opnds[idx-1].imm.value > size)
2201 /* lsb+width <= reg.size */
2203 set_imm_out_of_range_error (mismatch_detail, idx, 1,
2204 size - opnds[idx-1].imm.value);
2209 case AARCH64_OPND_LIMM:
2210 case AARCH64_OPND_SVE_LIMM:
2212 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2213 uint64_t uimm = opnd->imm.value;
2214 if (opcode->op == OP_BIC)
2216 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2218 set_other_error (mismatch_detail, idx,
2219 _("immediate out of range"));
2225 case AARCH64_OPND_IMM0:
2226 case AARCH64_OPND_FPIMM0:
2227 if (opnd->imm.value != 0)
2229 set_other_error (mismatch_detail, idx,
2230 _("immediate zero expected"));
2235 case AARCH64_OPND_IMM_ROT1:
2236 case AARCH64_OPND_IMM_ROT2:
2237 case AARCH64_OPND_SVE_IMM_ROT2:
2238 if (opnd->imm.value != 0
2239 && opnd->imm.value != 90
2240 && opnd->imm.value != 180
2241 && opnd->imm.value != 270)
2243 set_other_error (mismatch_detail, idx,
2244 _("rotate expected to be 0, 90, 180 or 270"));
2249 case AARCH64_OPND_IMM_ROT3:
2250 case AARCH64_OPND_SVE_IMM_ROT1:
2251 case AARCH64_OPND_SVE_IMM_ROT3:
2252 if (opnd->imm.value != 90 && opnd->imm.value != 270)
2254 set_other_error (mismatch_detail, idx,
2255 _("rotate expected to be 90 or 270"));
2260 case AARCH64_OPND_SHLL_IMM:
2262 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2263 if (opnd->imm.value != size)
2265 set_other_error (mismatch_detail, idx,
2266 _("invalid shift amount"));
2271 case AARCH64_OPND_IMM_VLSL:
2272 size = aarch64_get_qualifier_esize (qualifier);
2273 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
2275 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2281 case AARCH64_OPND_IMM_VLSR:
2282 size = aarch64_get_qualifier_esize (qualifier);
2283 if (!value_in_range_p (opnd->imm.value, 1, size * 8))
2285 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
2290 case AARCH64_OPND_SIMD_IMM:
2291 case AARCH64_OPND_SIMD_IMM_SFT:
2292 /* Qualifier check. */
2295 case AARCH64_OPND_QLF_LSL:
2296 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2298 set_other_error (mismatch_detail, idx,
2299 _("invalid shift operator"));
2303 case AARCH64_OPND_QLF_MSL:
2304 if (opnd->shifter.kind != AARCH64_MOD_MSL)
2306 set_other_error (mismatch_detail, idx,
2307 _("invalid shift operator"));
2311 case AARCH64_OPND_QLF_NIL:
2312 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2314 set_other_error (mismatch_detail, idx,
2315 _("shift is not permitted"));
2323 /* Is the immediate valid? */
2325 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
2327 /* uimm8 or simm8 */
2328 if (!value_in_range_p (opnd->imm.value, -128, 255))
2330 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
2334 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
2337 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
2338 ffffffffgggggggghhhhhhhh'. */
2339 set_other_error (mismatch_detail, idx,
2340 _("invalid value for immediate"));
2343 /* Is the shift amount valid? */
2344 switch (opnd->shifter.kind)
2346 case AARCH64_MOD_LSL:
2347 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2348 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
2350 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
2354 if (!value_aligned_p (opnd->shifter.amount, 8))
2356 set_unaligned_error (mismatch_detail, idx, 8);
2360 case AARCH64_MOD_MSL:
2361 /* Only 8 and 16 are valid shift amount. */
2362 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
2364 set_other_error (mismatch_detail, idx,
2365 _("shift amount must be 0 or 16"));
2370 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2372 set_other_error (mismatch_detail, idx,
2373 _("invalid shift operator"));
2380 case AARCH64_OPND_FPIMM:
2381 case AARCH64_OPND_SIMD_FPIMM:
2382 case AARCH64_OPND_SVE_FPIMM8:
2383 if (opnd->imm.is_fp == 0)
2385 set_other_error (mismatch_detail, idx,
2386 _("floating-point immediate expected"));
2389 /* The value is expected to be an 8-bit floating-point constant with
2390 sign, 3-bit exponent and normalized 4 bits of precision, encoded
2391 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
2393 if (!value_in_range_p (opnd->imm.value, 0, 255))
2395 set_other_error (mismatch_detail, idx,
2396 _("immediate out of range"));
2399 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2401 set_other_error (mismatch_detail, idx,
2402 _("invalid shift operator"));
2407 case AARCH64_OPND_SVE_AIMM:
2410 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
2411 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2412 mask = ~((uint64_t) -1 << (size * 4) << (size * 4));
2413 uvalue = opnd->imm.value;
2414 shift = opnd->shifter.amount;
2419 set_other_error (mismatch_detail, idx,
2420 _("no shift amount allowed for"
2421 " 8-bit constants"));
2427 if (shift != 0 && shift != 8)
2429 set_other_error (mismatch_detail, idx,
2430 _("shift amount must be 0 or 8"));
2433 if (shift == 0 && (uvalue & 0xff) == 0)
2436 uvalue = (int64_t) uvalue / 256;
2440 if ((uvalue & mask) != uvalue && (uvalue | ~mask) != uvalue)
2442 set_other_error (mismatch_detail, idx,
2443 _("immediate too big for element size"));
2446 uvalue = (uvalue - min_value) & mask;
2449 set_other_error (mismatch_detail, idx,
2450 _("invalid arithmetic immediate"));
2455 case AARCH64_OPND_SVE_ASIMM:
2459 case AARCH64_OPND_SVE_I1_HALF_ONE:
2460 assert (opnd->imm.is_fp);
2461 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x3f800000)
2463 set_other_error (mismatch_detail, idx,
2464 _("floating-point value must be 0.5 or 1.0"));
2469 case AARCH64_OPND_SVE_I1_HALF_TWO:
2470 assert (opnd->imm.is_fp);
2471 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x40000000)
2473 set_other_error (mismatch_detail, idx,
2474 _("floating-point value must be 0.5 or 2.0"));
2479 case AARCH64_OPND_SVE_I1_ZERO_ONE:
2480 assert (opnd->imm.is_fp);
2481 if (opnd->imm.value != 0 && opnd->imm.value != 0x3f800000)
2483 set_other_error (mismatch_detail, idx,
2484 _("floating-point value must be 0.0 or 1.0"));
2489 case AARCH64_OPND_SVE_INV_LIMM:
2491 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2492 uint64_t uimm = ~opnd->imm.value;
2493 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2495 set_other_error (mismatch_detail, idx,
2496 _("immediate out of range"));
2502 case AARCH64_OPND_SVE_LIMM_MOV:
2504 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2505 uint64_t uimm = opnd->imm.value;
2506 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2508 set_other_error (mismatch_detail, idx,
2509 _("immediate out of range"));
2512 if (!aarch64_sve_dupm_mov_immediate_p (uimm, esize))
2514 set_other_error (mismatch_detail, idx,
2515 _("invalid replicated MOV immediate"));
2521 case AARCH64_OPND_SVE_PATTERN_SCALED:
2522 assert (opnd->shifter.kind == AARCH64_MOD_MUL);
2523 if (!value_in_range_p (opnd->shifter.amount, 1, 16))
2525 set_multiplier_out_of_range_error (mismatch_detail, idx, 1, 16);
2530 case AARCH64_OPND_SVE_SHLIMM_PRED:
2531 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
2532 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2533 if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1))
2535 set_imm_out_of_range_error (mismatch_detail, idx,
2541 case AARCH64_OPND_SVE_SHRIMM_PRED:
2542 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
2543 case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
2545 unsigned int index =
2546 (type == AARCH64_OPND_SVE_SHRIMM_UNPRED_22) ? 2 : 1;
2547 size = aarch64_get_qualifier_esize (opnds[idx - index].qualifier);
2548 if (!value_in_range_p (opnd->imm.value, 1, 8 * size))
2550 set_imm_out_of_range_error (mismatch_detail, idx, 1, 8*size);
2561 case AARCH64_OPND_CLASS_SYSTEM:
2564 case AARCH64_OPND_PSTATEFIELD:
2565 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
2569 The immediate must be #0 or #1. */
2570 if ((opnd->pstatefield == 0x03 /* UAO. */
2571 || opnd->pstatefield == 0x04 /* PAN. */
2572 || opnd->pstatefield == 0x19 /* SSBS. */
2573 || opnd->pstatefield == 0x1a) /* DIT. */
2574 && opnds[1].imm.value > 1)
2576 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2579 /* MSR SPSel, #uimm4
2580 Uses uimm4 as a control value to select the stack pointer: if
2581 bit 0 is set it selects the current exception level's stack
2582 pointer, if bit 0 is clear it selects shared EL0 stack pointer.
2583 Bits 1 to 3 of uimm4 are reserved and should be zero. */
2584 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
2586 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2595 case AARCH64_OPND_CLASS_SIMD_ELEMENT:
2596 /* Get the upper bound for the element index. */
2597 if (opcode->op == OP_FCMLA_ELEM)
2598 /* FCMLA index range depends on the vector size of other operands
2599 and is halfed because complex numbers take two elements. */
2600 num = aarch64_get_qualifier_nelem (opnds[0].qualifier)
2601 * aarch64_get_qualifier_esize (opnds[0].qualifier) / 2;
2604 num = num / aarch64_get_qualifier_esize (qualifier) - 1;
2605 assert (aarch64_get_qualifier_nelem (qualifier) == 1);
2607 /* Index out-of-range. */
2608 if (!value_in_range_p (opnd->reglane.index, 0, num))
2610 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2613 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
2614 <Vm> Is the vector register (V0-V31) or (V0-V15), whose
2615 number is encoded in "size:M:Rm":
2621 if (type == AARCH64_OPND_Em16 && qualifier == AARCH64_OPND_QLF_S_H
2622 && !value_in_range_p (opnd->reglane.regno, 0, 15))
2624 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
2629 case AARCH64_OPND_CLASS_MODIFIED_REG:
2630 assert (idx == 1 || idx == 2);
2633 case AARCH64_OPND_Rm_EXT:
2634 if (!aarch64_extend_operator_p (opnd->shifter.kind)
2635 && opnd->shifter.kind != AARCH64_MOD_LSL)
2637 set_other_error (mismatch_detail, idx,
2638 _("extend operator expected"));
2641 /* It is not optional unless at least one of "Rd" or "Rn" is '11111'
2642 (i.e. SP), in which case it defaults to LSL. The LSL alias is
2643 only valid when "Rd" or "Rn" is '11111', and is preferred in that
2645 if (!aarch64_stack_pointer_p (opnds + 0)
2646 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
2648 if (!opnd->shifter.operator_present)
2650 set_other_error (mismatch_detail, idx,
2651 _("missing extend operator"));
2654 else if (opnd->shifter.kind == AARCH64_MOD_LSL)
2656 set_other_error (mismatch_detail, idx,
2657 _("'LSL' operator not allowed"));
2661 assert (opnd->shifter.operator_present /* Default to LSL. */
2662 || opnd->shifter.kind == AARCH64_MOD_LSL);
2663 if (!value_in_range_p (opnd->shifter.amount, 0, 4))
2665 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
2668 /* In the 64-bit form, the final register operand is written as Wm
2669 for all but the (possibly omitted) UXTX/LSL and SXTX
2671 N.B. GAS allows X register to be used with any operator as a
2672 programming convenience. */
2673 if (qualifier == AARCH64_OPND_QLF_X
2674 && opnd->shifter.kind != AARCH64_MOD_LSL
2675 && opnd->shifter.kind != AARCH64_MOD_UXTX
2676 && opnd->shifter.kind != AARCH64_MOD_SXTX)
2678 set_other_error (mismatch_detail, idx, _("W register expected"));
2683 case AARCH64_OPND_Rm_SFT:
2684 /* ROR is not available to the shifted register operand in
2685 arithmetic instructions. */
2686 if (!aarch64_shift_operator_p (opnd->shifter.kind))
2688 set_other_error (mismatch_detail, idx,
2689 _("shift operator expected"));
2692 if (opnd->shifter.kind == AARCH64_MOD_ROR
2693 && opcode->iclass != log_shift)
2695 set_other_error (mismatch_detail, idx,
2696 _("'ROR' operator not allowed"));
2699 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
2700 if (!value_in_range_p (opnd->shifter.amount, 0, num))
2702 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
2719 /* Main entrypoint for the operand constraint checking.
2721 Return 1 if operands of *INST meet the constraint applied by the operand
2722 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
2723 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
2724 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
2725 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
2726 error kind when it is notified that an instruction does not pass the check).
2728 Un-determined operand qualifiers may get established during the process. */
2731 aarch64_match_operands_constraint (aarch64_inst *inst,
2732 aarch64_operand_error *mismatch_detail)
2736 DEBUG_TRACE ("enter");
2738 /* Check for cases where a source register needs to be the same as the
2739 destination register. Do this before matching qualifiers since if
2740 an instruction has both invalid tying and invalid qualifiers,
2741 the error about qualifiers would suggest several alternative
2742 instructions that also have invalid tying. */
2743 i = inst->opcode->tied_operand;
2744 if (i > 0 && (inst->operands[0].reg.regno != inst->operands[i].reg.regno))
2746 if (mismatch_detail)
2748 mismatch_detail->kind = AARCH64_OPDE_UNTIED_OPERAND;
2749 mismatch_detail->index = i;
2750 mismatch_detail->error = NULL;
2755 /* Match operands' qualifier.
2756 *INST has already had qualifier establish for some, if not all, of
2757 its operands; we need to find out whether these established
2758 qualifiers match one of the qualifier sequence in
2759 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
2760 with the corresponding qualifier in such a sequence.
2761 Only basic operand constraint checking is done here; the more thorough
2762 constraint checking will carried out by operand_general_constraint_met_p,
2763 which has be to called after this in order to get all of the operands'
2764 qualifiers established. */
2765 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
2767 DEBUG_TRACE ("FAIL on operand qualifier matching");
2768 if (mismatch_detail)
2770 /* Return an error type to indicate that it is the qualifier
2771 matching failure; we don't care about which operand as there
2772 are enough information in the opcode table to reproduce it. */
2773 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
2774 mismatch_detail->index = -1;
2775 mismatch_detail->error = NULL;
2780 /* Match operands' constraint. */
2781 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2783 enum aarch64_opnd type = inst->opcode->operands[i];
2784 if (type == AARCH64_OPND_NIL)
2786 if (inst->operands[i].skip)
2788 DEBUG_TRACE ("skip the incomplete operand %d", i);
2791 if (operand_general_constraint_met_p (inst->operands, i, type,
2792 inst->opcode, mismatch_detail) == 0)
2794 DEBUG_TRACE ("FAIL on operand %d", i);
2799 DEBUG_TRACE ("PASS");
2804 /* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
2805 Also updates the TYPE of each INST->OPERANDS with the corresponding
2806 value of OPCODE->OPERANDS.
2808 Note that some operand qualifiers may need to be manually cleared by
2809 the caller before it further calls the aarch64_opcode_encode; by
2810 doing this, it helps the qualifier matching facilities work
2813 const aarch64_opcode*
2814 aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
2817 const aarch64_opcode *old = inst->opcode;
2819 inst->opcode = opcode;
2821 /* Update the operand types. */
2822 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2824 inst->operands[i].type = opcode->operands[i];
2825 if (opcode->operands[i] == AARCH64_OPND_NIL)
2829 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
2835 aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
2838 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2839 if (operands[i] == operand)
2841 else if (operands[i] == AARCH64_OPND_NIL)
2846 /* R0...R30, followed by FOR31. */
2847 #define BANK(R, FOR31) \
2848 { R (0), R (1), R (2), R (3), R (4), R (5), R (6), R (7), \
2849 R (8), R (9), R (10), R (11), R (12), R (13), R (14), R (15), \
2850 R (16), R (17), R (18), R (19), R (20), R (21), R (22), R (23), \
2851 R (24), R (25), R (26), R (27), R (28), R (29), R (30), FOR31 }
2852 /* [0][0] 32-bit integer regs with sp Wn
2853 [0][1] 64-bit integer regs with sp Xn sf=1
2854 [1][0] 32-bit integer regs with #0 Wn
2855 [1][1] 64-bit integer regs with #0 Xn sf=1 */
2856 static const char *int_reg[2][2][32] = {
2857 #define R32(X) "w" #X
2858 #define R64(X) "x" #X
2859 { BANK (R32, "wsp"), BANK (R64, "sp") },
2860 { BANK (R32, "wzr"), BANK (R64, "xzr") }
2865 /* Names of the SVE vector registers, first with .S suffixes,
2866 then with .D suffixes. */
2868 static const char *sve_reg[2][32] = {
2869 #define ZS(X) "z" #X ".s"
2870 #define ZD(X) "z" #X ".d"
2871 BANK (ZS, ZS (31)), BANK (ZD, ZD (31))
2877 /* Return the integer register name.
2878 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
2880 static inline const char *
2881 get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
2883 const int has_zr = sp_reg_p ? 0 : 1;
2884 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
2885 return int_reg[has_zr][is_64][regno];
2888 /* Like get_int_reg_name, but IS_64 is always 1. */
2890 static inline const char *
2891 get_64bit_int_reg_name (int regno, int sp_reg_p)
2893 const int has_zr = sp_reg_p ? 0 : 1;
2894 return int_reg[has_zr][1][regno];
2897 /* Get the name of the integer offset register in OPND, using the shift type
2898 to decide whether it's a word or doubleword. */
2900 static inline const char *
2901 get_offset_int_reg_name (const aarch64_opnd_info *opnd)
2903 switch (opnd->shifter.kind)
2905 case AARCH64_MOD_UXTW:
2906 case AARCH64_MOD_SXTW:
2907 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_W, 0);
2909 case AARCH64_MOD_LSL:
2910 case AARCH64_MOD_SXTX:
2911 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_X, 0);
2918 /* Get the name of the SVE vector offset register in OPND, using the operand
2919 qualifier to decide whether the suffix should be .S or .D. */
2921 static inline const char *
2922 get_addr_sve_reg_name (int regno, aarch64_opnd_qualifier_t qualifier)
2924 assert (qualifier == AARCH64_OPND_QLF_S_S
2925 || qualifier == AARCH64_OPND_QLF_S_D);
2926 return sve_reg[qualifier == AARCH64_OPND_QLF_S_D][regno];
2929 /* Types for expanding an encoded 8-bit value to a floating-point value. */
2949 /* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
2950 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
2951 (depending on the type of the instruction). IMM8 will be expanded to a
2952 single-precision floating-point value (SIZE == 4) or a double-precision
2953 floating-point value (SIZE == 8). A half-precision floating-point value
2954 (SIZE == 2) is expanded to a single-precision floating-point value. The
2955 expanded value is returned. */
2958 expand_fp_imm (int size, uint32_t imm8)
2961 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
2963 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
2964 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
2965 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
2966 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
2967 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
2970 imm = (imm8_7 << (63-32)) /* imm8<7> */
2971 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
2972 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
2973 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
2974 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
2977 else if (size == 4 || size == 2)
2979 imm = (imm8_7 << 31) /* imm8<7> */
2980 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
2981 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
2982 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
2986 /* An unsupported size. */
2993 /* Produce the string representation of the register list operand *OPND
2994 in the buffer pointed by BUF of size SIZE. PREFIX is the part of
2995 the register name that comes before the register number, such as "v". */
2997 print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd,
3000 const int num_regs = opnd->reglist.num_regs;
3001 const int first_reg = opnd->reglist.first_regno;
3002 const int last_reg = (first_reg + num_regs - 1) & 0x1f;
3003 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
3004 char tb[8]; /* Temporary buffer. */
3006 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
3007 assert (num_regs >= 1 && num_regs <= 4);
3009 /* Prepare the index if any. */
3010 if (opnd->reglist.has_index)
3011 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3012 snprintf (tb, 8, "[%" PRIi64 "]", (opnd->reglist.index % 100));
3016 /* The hyphenated form is preferred for disassembly if there are
3017 more than two registers in the list, and the register numbers
3018 are monotonically increasing in increments of one. */
3019 if (num_regs > 2 && last_reg > first_reg)
3020 snprintf (buf, size, "{%s%d.%s-%s%d.%s}%s", prefix, first_reg, qlf_name,
3021 prefix, last_reg, qlf_name, tb);
3024 const int reg0 = first_reg;
3025 const int reg1 = (first_reg + 1) & 0x1f;
3026 const int reg2 = (first_reg + 2) & 0x1f;
3027 const int reg3 = (first_reg + 3) & 0x1f;
3032 snprintf (buf, size, "{%s%d.%s}%s", prefix, reg0, qlf_name, tb);
3035 snprintf (buf, size, "{%s%d.%s, %s%d.%s}%s", prefix, reg0, qlf_name,
3036 prefix, reg1, qlf_name, tb);
3039 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s}%s",
3040 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3041 prefix, reg2, qlf_name, tb);
3044 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s, %s%d.%s}%s",
3045 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3046 prefix, reg2, qlf_name, prefix, reg3, qlf_name, tb);
3052 /* Print the register+immediate address in OPND to BUF, which has SIZE
3053 characters. BASE is the name of the base register. */
3056 print_immediate_offset_address (char *buf, size_t size,
3057 const aarch64_opnd_info *opnd,
3060 if (opnd->addr.writeback)
3062 if (opnd->addr.preind)
3063 snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
3065 snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm);
3069 if (opnd->shifter.operator_present)
3071 assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL);
3072 snprintf (buf, size, "[%s, #%d, mul vl]",
3073 base, opnd->addr.offset.imm);
3075 else if (opnd->addr.offset.imm)
3076 snprintf (buf, size, "[%s, #%d]", base, opnd->addr.offset.imm);
3078 snprintf (buf, size, "[%s]", base);
3082 /* Produce the string representation of the register offset address operand
3083 *OPND in the buffer pointed by BUF of size SIZE. BASE and OFFSET are
3084 the names of the base and offset registers. */
3086 print_register_offset_address (char *buf, size_t size,
3087 const aarch64_opnd_info *opnd,
3088 const char *base, const char *offset)
3090 char tb[16]; /* Temporary buffer. */
3091 bfd_boolean print_extend_p = TRUE;
3092 bfd_boolean print_amount_p = TRUE;
3093 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
3095 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
3096 || !opnd->shifter.amount_present))
3098 /* Not print the shift/extend amount when the amount is zero and
3099 when it is not the special case of 8-bit load/store instruction. */
3100 print_amount_p = FALSE;
3101 /* Likewise, no need to print the shift operator LSL in such a
3103 if (opnd->shifter.kind == AARCH64_MOD_LSL)
3104 print_extend_p = FALSE;
3107 /* Prepare for the extend/shift. */
3111 snprintf (tb, sizeof (tb), ", %s #%" PRIi64, shift_name,
3112 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3113 (opnd->shifter.amount % 100));
3115 snprintf (tb, sizeof (tb), ", %s", shift_name);
3120 snprintf (buf, size, "[%s, %s%s]", base, offset, tb);
3123 /* Generate the string representation of the operand OPNDS[IDX] for OPCODE
3124 in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
3125 PC, PCREL_P and ADDRESS are used to pass in and return information about
3126 the PC-relative address calculation, where the PC value is passed in
3127 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
3128 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
3129 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
3131 The function serves both the disassembler and the assembler diagnostics
3132 issuer, which is the reason why it lives in this file. */
3135 aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
3136 const aarch64_opcode *opcode,
3137 const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
3138 bfd_vma *address, char** notes)
3140 unsigned int i, num_conds;
3141 const char *name = NULL;
3142 const aarch64_opnd_info *opnd = opnds + idx;
3143 enum aarch64_modifier_kind kind;
3144 uint64_t addr, enum_value;
3152 case AARCH64_OPND_Rd:
3153 case AARCH64_OPND_Rn:
3154 case AARCH64_OPND_Rm:
3155 case AARCH64_OPND_Rt:
3156 case AARCH64_OPND_Rt2:
3157 case AARCH64_OPND_Rs:
3158 case AARCH64_OPND_Ra:
3159 case AARCH64_OPND_Rt_SYS:
3160 case AARCH64_OPND_PAIRREG:
3161 case AARCH64_OPND_SVE_Rm:
3162 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
3163 the <ic_op>, therefore we use opnd->present to override the
3164 generic optional-ness information. */
3165 if (opnd->type == AARCH64_OPND_Rt_SYS)
3170 /* Omit the operand, e.g. RET. */
3171 else if (optional_operand_p (opcode, idx)
3173 == get_optional_operand_default_value (opcode)))
3175 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3176 || opnd->qualifier == AARCH64_OPND_QLF_X);
3177 snprintf (buf, size, "%s",
3178 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3181 case AARCH64_OPND_Rd_SP:
3182 case AARCH64_OPND_Rn_SP:
3183 case AARCH64_OPND_Rt_SP:
3184 case AARCH64_OPND_SVE_Rn_SP:
3185 case AARCH64_OPND_Rm_SP:
3186 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3187 || opnd->qualifier == AARCH64_OPND_QLF_WSP
3188 || opnd->qualifier == AARCH64_OPND_QLF_X
3189 || opnd->qualifier == AARCH64_OPND_QLF_SP);
3190 snprintf (buf, size, "%s",
3191 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
3194 case AARCH64_OPND_Rm_EXT:
3195 kind = opnd->shifter.kind;
3196 assert (idx == 1 || idx == 2);
3197 if ((aarch64_stack_pointer_p (opnds)
3198 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
3199 && ((opnd->qualifier == AARCH64_OPND_QLF_W
3200 && opnds[0].qualifier == AARCH64_OPND_QLF_W
3201 && kind == AARCH64_MOD_UXTW)
3202 || (opnd->qualifier == AARCH64_OPND_QLF_X
3203 && kind == AARCH64_MOD_UXTX)))
3205 /* 'LSL' is the preferred form in this case. */
3206 kind = AARCH64_MOD_LSL;
3207 if (opnd->shifter.amount == 0)
3209 /* Shifter omitted. */
3210 snprintf (buf, size, "%s",
3211 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3215 if (opnd->shifter.amount)
3216 snprintf (buf, size, "%s, %s #%" PRIi64,
3217 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3218 aarch64_operand_modifiers[kind].name,
3219 opnd->shifter.amount);
3221 snprintf (buf, size, "%s, %s",
3222 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3223 aarch64_operand_modifiers[kind].name);
3226 case AARCH64_OPND_Rm_SFT:
3227 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3228 || opnd->qualifier == AARCH64_OPND_QLF_X);
3229 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
3230 snprintf (buf, size, "%s",
3231 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3233 snprintf (buf, size, "%s, %s #%" PRIi64,
3234 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3235 aarch64_operand_modifiers[opnd->shifter.kind].name,
3236 opnd->shifter.amount);
3239 case AARCH64_OPND_Fd:
3240 case AARCH64_OPND_Fn:
3241 case AARCH64_OPND_Fm:
3242 case AARCH64_OPND_Fa:
3243 case AARCH64_OPND_Ft:
3244 case AARCH64_OPND_Ft2:
3245 case AARCH64_OPND_Sd:
3246 case AARCH64_OPND_Sn:
3247 case AARCH64_OPND_Sm:
3248 case AARCH64_OPND_SVE_VZn:
3249 case AARCH64_OPND_SVE_Vd:
3250 case AARCH64_OPND_SVE_Vm:
3251 case AARCH64_OPND_SVE_Vn:
3252 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
3256 case AARCH64_OPND_Va:
3257 case AARCH64_OPND_Vd:
3258 case AARCH64_OPND_Vn:
3259 case AARCH64_OPND_Vm:
3260 snprintf (buf, size, "v%d.%s", opnd->reg.regno,
3261 aarch64_get_qualifier_name (opnd->qualifier));
3264 case AARCH64_OPND_Ed:
3265 case AARCH64_OPND_En:
3266 case AARCH64_OPND_Em:
3267 case AARCH64_OPND_Em16:
3268 case AARCH64_OPND_SM3_IMM2:
3269 snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3270 aarch64_get_qualifier_name (opnd->qualifier),
3271 opnd->reglane.index);
3274 case AARCH64_OPND_VdD1:
3275 case AARCH64_OPND_VnD1:
3276 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
3279 case AARCH64_OPND_LVn:
3280 case AARCH64_OPND_LVt:
3281 case AARCH64_OPND_LVt_AL:
3282 case AARCH64_OPND_LEt:
3283 print_register_list (buf, size, opnd, "v");
3286 case AARCH64_OPND_SVE_Pd:
3287 case AARCH64_OPND_SVE_Pg3:
3288 case AARCH64_OPND_SVE_Pg4_5:
3289 case AARCH64_OPND_SVE_Pg4_10:
3290 case AARCH64_OPND_SVE_Pg4_16:
3291 case AARCH64_OPND_SVE_Pm:
3292 case AARCH64_OPND_SVE_Pn:
3293 case AARCH64_OPND_SVE_Pt:
3294 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3295 snprintf (buf, size, "p%d", opnd->reg.regno);
3296 else if (opnd->qualifier == AARCH64_OPND_QLF_P_Z
3297 || opnd->qualifier == AARCH64_OPND_QLF_P_M)
3298 snprintf (buf, size, "p%d/%s", opnd->reg.regno,
3299 aarch64_get_qualifier_name (opnd->qualifier));
3301 snprintf (buf, size, "p%d.%s", opnd->reg.regno,
3302 aarch64_get_qualifier_name (opnd->qualifier));
3305 case AARCH64_OPND_SVE_Za_5:
3306 case AARCH64_OPND_SVE_Za_16:
3307 case AARCH64_OPND_SVE_Zd:
3308 case AARCH64_OPND_SVE_Zm_5:
3309 case AARCH64_OPND_SVE_Zm_16:
3310 case AARCH64_OPND_SVE_Zn:
3311 case AARCH64_OPND_SVE_Zt:
3312 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3313 snprintf (buf, size, "z%d", opnd->reg.regno);
3315 snprintf (buf, size, "z%d.%s", opnd->reg.regno,
3316 aarch64_get_qualifier_name (opnd->qualifier));
3319 case AARCH64_OPND_SVE_ZnxN:
3320 case AARCH64_OPND_SVE_ZtxN:
3321 print_register_list (buf, size, opnd, "z");
3324 case AARCH64_OPND_SVE_Zm3_INDEX:
3325 case AARCH64_OPND_SVE_Zm3_22_INDEX:
3326 case AARCH64_OPND_SVE_Zm3_11_INDEX:
3327 case AARCH64_OPND_SVE_Zm4_INDEX:
3328 case AARCH64_OPND_SVE_Zn_INDEX:
3329 snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3330 aarch64_get_qualifier_name (opnd->qualifier),
3331 opnd->reglane.index);
3334 case AARCH64_OPND_CRn:
3335 case AARCH64_OPND_CRm:
3336 snprintf (buf, size, "C%" PRIi64, opnd->imm.value);
3339 case AARCH64_OPND_IDX:
3340 case AARCH64_OPND_MASK:
3341 case AARCH64_OPND_IMM:
3342 case AARCH64_OPND_IMM_2:
3343 case AARCH64_OPND_WIDTH:
3344 case AARCH64_OPND_UIMM3_OP1:
3345 case AARCH64_OPND_UIMM3_OP2:
3346 case AARCH64_OPND_BIT_NUM:
3347 case AARCH64_OPND_IMM_VLSL:
3348 case AARCH64_OPND_IMM_VLSR:
3349 case AARCH64_OPND_SHLL_IMM:
3350 case AARCH64_OPND_IMM0:
3351 case AARCH64_OPND_IMMR:
3352 case AARCH64_OPND_IMMS:
3353 case AARCH64_OPND_FBITS:
3354 case AARCH64_OPND_TME_UIMM16:
3355 case AARCH64_OPND_SIMM5:
3356 case AARCH64_OPND_SVE_SHLIMM_PRED:
3357 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
3358 case AARCH64_OPND_SVE_SHRIMM_PRED:
3359 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
3360 case AARCH64_OPND_SVE_SHRIMM_UNPRED_22:
3361 case AARCH64_OPND_SVE_SIMM5:
3362 case AARCH64_OPND_SVE_SIMM5B:
3363 case AARCH64_OPND_SVE_SIMM6:
3364 case AARCH64_OPND_SVE_SIMM8:
3365 case AARCH64_OPND_SVE_UIMM3:
3366 case AARCH64_OPND_SVE_UIMM7:
3367 case AARCH64_OPND_SVE_UIMM8:
3368 case AARCH64_OPND_SVE_UIMM8_53:
3369 case AARCH64_OPND_IMM_ROT1:
3370 case AARCH64_OPND_IMM_ROT2:
3371 case AARCH64_OPND_IMM_ROT3:
3372 case AARCH64_OPND_SVE_IMM_ROT1:
3373 case AARCH64_OPND_SVE_IMM_ROT2:
3374 case AARCH64_OPND_SVE_IMM_ROT3:
3375 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3378 case AARCH64_OPND_SVE_I1_HALF_ONE:
3379 case AARCH64_OPND_SVE_I1_HALF_TWO:
3380 case AARCH64_OPND_SVE_I1_ZERO_ONE:
3383 c.i = opnd->imm.value;
3384 snprintf (buf, size, "#%.1f", c.f);
3388 case AARCH64_OPND_SVE_PATTERN:
3389 if (optional_operand_p (opcode, idx)
3390 && opnd->imm.value == get_optional_operand_default_value (opcode))
3392 enum_value = opnd->imm.value;
3393 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3394 if (aarch64_sve_pattern_array[enum_value])
3395 snprintf (buf, size, "%s", aarch64_sve_pattern_array[enum_value]);
3397 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3400 case AARCH64_OPND_SVE_PATTERN_SCALED:
3401 if (optional_operand_p (opcode, idx)
3402 && !opnd->shifter.operator_present
3403 && opnd->imm.value == get_optional_operand_default_value (opcode))
3405 enum_value = opnd->imm.value;
3406 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3407 if (aarch64_sve_pattern_array[opnd->imm.value])
3408 snprintf (buf, size, "%s", aarch64_sve_pattern_array[opnd->imm.value]);
3410 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3411 if (opnd->shifter.operator_present)
3413 size_t len = strlen (buf);
3414 snprintf (buf + len, size - len, ", %s #%" PRIi64,
3415 aarch64_operand_modifiers[opnd->shifter.kind].name,
3416 opnd->shifter.amount);
3420 case AARCH64_OPND_SVE_PRFOP:
3421 enum_value = opnd->imm.value;
3422 assert (enum_value < ARRAY_SIZE (aarch64_sve_prfop_array));
3423 if (aarch64_sve_prfop_array[enum_value])
3424 snprintf (buf, size, "%s", aarch64_sve_prfop_array[enum_value]);
3426 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3429 case AARCH64_OPND_IMM_MOV:
3430 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3432 case 4: /* e.g. MOV Wd, #<imm32>. */
3434 int imm32 = opnd->imm.value;
3435 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
3438 case 8: /* e.g. MOV Xd, #<imm64>. */
3439 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
3440 opnd->imm.value, opnd->imm.value);
3442 default: assert (0);
3446 case AARCH64_OPND_FPIMM0:
3447 snprintf (buf, size, "#0.0");
3450 case AARCH64_OPND_LIMM:
3451 case AARCH64_OPND_AIMM:
3452 case AARCH64_OPND_HALF:
3453 case AARCH64_OPND_SVE_INV_LIMM:
3454 case AARCH64_OPND_SVE_LIMM:
3455 case AARCH64_OPND_SVE_LIMM_MOV:
3456 if (opnd->shifter.amount)
3457 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%" PRIi64, opnd->imm.value,
3458 opnd->shifter.amount);
3460 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3463 case AARCH64_OPND_SIMD_IMM:
3464 case AARCH64_OPND_SIMD_IMM_SFT:
3465 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
3466 || opnd->shifter.kind == AARCH64_MOD_NONE)
3467 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3469 snprintf (buf, size, "#0x%" PRIx64 ", %s #%" PRIi64, opnd->imm.value,
3470 aarch64_operand_modifiers[opnd->shifter.kind].name,
3471 opnd->shifter.amount);
3474 case AARCH64_OPND_SVE_AIMM:
3475 case AARCH64_OPND_SVE_ASIMM:
3476 if (opnd->shifter.amount)
3477 snprintf (buf, size, "#%" PRIi64 ", lsl #%" PRIi64, opnd->imm.value,
3478 opnd->shifter.amount);
3480 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3483 case AARCH64_OPND_FPIMM:
3484 case AARCH64_OPND_SIMD_FPIMM:
3485 case AARCH64_OPND_SVE_FPIMM8:
3486 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3488 case 2: /* e.g. FMOV <Hd>, #<imm>. */
3491 c.i = expand_fp_imm (2, opnd->imm.value);
3492 snprintf (buf, size, "#%.18e", c.f);
3495 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
3498 c.i = expand_fp_imm (4, opnd->imm.value);
3499 snprintf (buf, size, "#%.18e", c.f);
3502 case 8: /* e.g. FMOV <Sd>, #<imm>. */
3505 c.i = expand_fp_imm (8, opnd->imm.value);
3506 snprintf (buf, size, "#%.18e", c.d);
3509 default: assert (0);
3513 case AARCH64_OPND_CCMP_IMM:
3514 case AARCH64_OPND_NZCV:
3515 case AARCH64_OPND_EXCEPTION:
3516 case AARCH64_OPND_UIMM4:
3517 case AARCH64_OPND_UIMM4_ADDG:
3518 case AARCH64_OPND_UIMM7:
3519 case AARCH64_OPND_UIMM10:
3520 if (optional_operand_p (opcode, idx) == TRUE
3521 && (opnd->imm.value ==
3522 (int64_t) get_optional_operand_default_value (opcode)))
3523 /* Omit the operand, e.g. DCPS1. */
3525 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
3528 case AARCH64_OPND_COND:
3529 case AARCH64_OPND_COND1:
3530 snprintf (buf, size, "%s", opnd->cond->names[0]);
3531 num_conds = ARRAY_SIZE (opnd->cond->names);
3532 for (i = 1; i < num_conds && opnd->cond->names[i]; ++i)
3534 size_t len = strlen (buf);
3536 snprintf (buf + len, size - len, " // %s = %s",
3537 opnd->cond->names[0], opnd->cond->names[i]);
3539 snprintf (buf + len, size - len, ", %s",
3540 opnd->cond->names[i]);
3544 case AARCH64_OPND_ADDR_ADRP:
3545 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
3551 /* This is not necessary during the disassembling, as print_address_func
3552 in the disassemble_info will take care of the printing. But some
3553 other callers may be still interested in getting the string in *STR,
3554 so here we do snprintf regardless. */
3555 snprintf (buf, size, "#0x%" PRIx64, addr);
3558 case AARCH64_OPND_ADDR_PCREL14:
3559 case AARCH64_OPND_ADDR_PCREL19:
3560 case AARCH64_OPND_ADDR_PCREL21:
3561 case AARCH64_OPND_ADDR_PCREL26:
3562 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
3567 /* This is not necessary during the disassembling, as print_address_func
3568 in the disassemble_info will take care of the printing. But some
3569 other callers may be still interested in getting the string in *STR,
3570 so here we do snprintf regardless. */
3571 snprintf (buf, size, "#0x%" PRIx64, addr);
3574 case AARCH64_OPND_ADDR_SIMPLE:
3575 case AARCH64_OPND_SIMD_ADDR_SIMPLE:
3576 case AARCH64_OPND_SIMD_ADDR_POST:
3577 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3578 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
3580 if (opnd->addr.offset.is_reg)
3581 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
3583 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
3586 snprintf (buf, size, "[%s]", name);
3589 case AARCH64_OPND_ADDR_REGOFF:
3590 case AARCH64_OPND_SVE_ADDR_R:
3591 case AARCH64_OPND_SVE_ADDR_RR:
3592 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
3593 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
3594 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
3595 case AARCH64_OPND_SVE_ADDR_RX:
3596 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
3597 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
3598 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
3599 print_register_offset_address
3600 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3601 get_offset_int_reg_name (opnd));
3604 case AARCH64_OPND_SVE_ADDR_ZX:
3605 print_register_offset_address
3607 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3608 get_64bit_int_reg_name (opnd->addr.offset.regno, 0));
3611 case AARCH64_OPND_SVE_ADDR_RZ:
3612 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
3613 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
3614 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
3615 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
3616 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
3617 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
3618 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
3619 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
3620 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
3621 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
3622 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
3623 print_register_offset_address
3624 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3625 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3628 case AARCH64_OPND_ADDR_SIMM7:
3629 case AARCH64_OPND_ADDR_SIMM9:
3630 case AARCH64_OPND_ADDR_SIMM9_2:
3631 case AARCH64_OPND_ADDR_SIMM10:
3632 case AARCH64_OPND_ADDR_SIMM11:
3633 case AARCH64_OPND_ADDR_SIMM13:
3634 case AARCH64_OPND_ADDR_OFFSET:
3635 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
3636 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
3637 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
3638 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
3639 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
3640 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
3641 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
3642 case AARCH64_OPND_SVE_ADDR_RI_U6:
3643 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
3644 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
3645 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
3646 print_immediate_offset_address
3647 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1));
3650 case AARCH64_OPND_SVE_ADDR_ZI_U5:
3651 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
3652 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
3653 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
3654 print_immediate_offset_address
3656 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier));
3659 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
3660 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
3661 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
3662 print_register_offset_address
3664 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3665 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3668 case AARCH64_OPND_ADDR_UIMM12:
3669 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3670 if (opnd->addr.offset.imm)
3671 snprintf (buf, size, "[%s, #%d]", name, opnd->addr.offset.imm);
3673 snprintf (buf, size, "[%s]", name);
3676 case AARCH64_OPND_SYSREG:
3677 for (i = 0; aarch64_sys_regs[i].name; ++i)
3679 bfd_boolean exact_match
3680 = (aarch64_sys_regs[i].flags & opnd->sysreg.flags)
3681 == opnd->sysreg.flags;
3683 /* Try and find an exact match, But if that fails, return the first
3684 partial match that was found. */
3685 if (aarch64_sys_regs[i].value == opnd->sysreg.value
3686 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i])
3687 && (name == NULL || exact_match))
3689 name = aarch64_sys_regs[i].name;
3697 /* If we didn't match exactly, that means the presense of a flag
3698 indicates what we didn't want for this instruction. e.g. If
3699 F_REG_READ is there, that means we were looking for a write
3700 register. See aarch64_ext_sysreg. */
3701 if (aarch64_sys_regs[i].flags & F_REG_WRITE)
3702 *notes = _("reading from a write-only register");
3703 else if (aarch64_sys_regs[i].flags & F_REG_READ)
3704 *notes = _("writing to a read-only register");
3709 snprintf (buf, size, "%s", name);
3712 /* Implementation defined system register. */
3713 unsigned int value = opnd->sysreg.value;
3714 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
3715 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
3720 case AARCH64_OPND_PSTATEFIELD:
3721 for (i = 0; aarch64_pstatefields[i].name; ++i)
3722 if (aarch64_pstatefields[i].value == opnd->pstatefield)
3724 assert (aarch64_pstatefields[i].name);
3725 snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
3728 case AARCH64_OPND_SYSREG_AT:
3729 case AARCH64_OPND_SYSREG_DC:
3730 case AARCH64_OPND_SYSREG_IC:
3731 case AARCH64_OPND_SYSREG_TLBI:
3732 case AARCH64_OPND_SYSREG_SR:
3733 snprintf (buf, size, "%s", opnd->sysins_op->name);
3736 case AARCH64_OPND_BARRIER:
3737 snprintf (buf, size, "%s", opnd->barrier->name);
3740 case AARCH64_OPND_BARRIER_ISB:
3741 /* Operand can be omitted, e.g. in DCPS1. */
3742 if (! optional_operand_p (opcode, idx)
3743 || (opnd->barrier->value
3744 != get_optional_operand_default_value (opcode)))
3745 snprintf (buf, size, "#0x%x", opnd->barrier->value);
3748 case AARCH64_OPND_PRFOP:
3749 if (opnd->prfop->name != NULL)
3750 snprintf (buf, size, "%s", opnd->prfop->name);
3752 snprintf (buf, size, "#0x%02x", opnd->prfop->value);
3755 case AARCH64_OPND_BARRIER_PSB:
3756 case AARCH64_OPND_BTI_TARGET:
3757 if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0)
3758 snprintf (buf, size, "%s", opnd->hint_option->name);
3766 #define CPENC(op0,op1,crn,crm,op2) \
3767 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
3768 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */
3769 #define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
3770 /* for 3.9.10 System Instructions */
3771 #define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
3790 /* TODO there is one more issues need to be resolved
3791 1. handle cpu-implementation-defined system registers. */
3792 const aarch64_sys_reg aarch64_sys_regs [] =
3794 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
3795 { "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT },
3796 { "elr_el1", CPEN_(0,C0,1), 0 },
3797 { "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT },
3798 { "sp_el0", CPEN_(0,C1,0), 0 },
3799 { "spsel", CPEN_(0,C2,0), 0 },
3800 { "daif", CPEN_(3,C2,1), 0 },
3801 { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */
3802 { "pan", CPEN_(0,C2,3), F_ARCHEXT },
3803 { "uao", CPEN_ (0, C2, 4), F_ARCHEXT },
3804 { "nzcv", CPEN_(3,C2,0), 0 },
3805 { "ssbs", CPEN_(3,C2,6), F_ARCHEXT },
3806 { "fpcr", CPEN_(3,C4,0), 0 },
3807 { "fpsr", CPEN_(3,C4,1), 0 },
3808 { "dspsr_el0", CPEN_(3,C5,0), 0 },
3809 { "dlr_el0", CPEN_(3,C5,1), 0 },
3810 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
3811 { "elr_el2", CPEN_(4,C0,1), 0 },
3812 { "sp_el1", CPEN_(4,C1,0), 0 },
3813 { "spsr_irq", CPEN_(4,C3,0), 0 },
3814 { "spsr_abt", CPEN_(4,C3,1), 0 },
3815 { "spsr_und", CPEN_(4,C3,2), 0 },
3816 { "spsr_fiq", CPEN_(4,C3,3), 0 },
3817 { "spsr_el3", CPEN_(6,C0,0), 0 },
3818 { "elr_el3", CPEN_(6,C0,1), 0 },
3819 { "sp_el2", CPEN_(6,C1,0), 0 },
3820 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
3821 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
3822 { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */
3823 { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */
3824 { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */
3825 { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */
3826 { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */
3827 { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */
3828 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */
3829 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */
3830 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */
3831 { "id_pfr2_el1", CPENC(3,0,C0,C3,4), F_ARCHEXT | F_REG_READ}, /* RO */
3832 { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */
3833 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */
3834 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */
3835 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */
3836 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */
3837 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */
3838 { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */
3839 { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */
3840 { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */
3841 { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */
3842 { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */
3843 { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */
3844 { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */
3845 { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */
3846 { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */
3847 { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */
3848 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */
3849 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */
3850 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */
3851 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */
3852 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */
3853 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */
3854 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */
3855 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */
3856 { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */
3857 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */
3858 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */
3859 { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */
3860 { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */
3861 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 },
3862 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
3863 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
3864 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
3865 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
3866 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
3867 { "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT },
3868 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
3869 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
3870 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
3871 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
3872 { "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT },
3873 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
3874 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
3875 { "scr_el3", CPENC(3,6,C1,C1,0), 0 },
3876 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
3877 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
3878 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
3879 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
3880 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
3881 { "zcr_el1", CPENC (3, 0, C1, C2, 0), F_ARCHEXT },
3882 { "zcr_el12", CPENC (3, 5, C1, C2, 0), F_ARCHEXT },
3883 { "zcr_el2", CPENC (3, 4, C1, C2, 0), F_ARCHEXT },
3884 { "zcr_el3", CPENC (3, 6, C1, C2, 0), F_ARCHEXT },
3885 { "zidr_el1", CPENC (3, 0, C0, C0, 7), F_ARCHEXT },
3886 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
3887 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
3888 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
3889 { "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT },
3890 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
3891 { "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT },
3892 { "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT },
3893 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
3894 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
3895 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
3896 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
3897 { "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT },
3898 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
3899 { "apiakeylo_el1", CPENC (3, 0, C2, C1, 0), F_ARCHEXT },
3900 { "apiakeyhi_el1", CPENC (3, 0, C2, C1, 1), F_ARCHEXT },
3901 { "apibkeylo_el1", CPENC (3, 0, C2, C1, 2), F_ARCHEXT },
3902 { "apibkeyhi_el1", CPENC (3, 0, C2, C1, 3), F_ARCHEXT },
3903 { "apdakeylo_el1", CPENC (3, 0, C2, C2, 0), F_ARCHEXT },
3904 { "apdakeyhi_el1", CPENC (3, 0, C2, C2, 1), F_ARCHEXT },
3905 { "apdbkeylo_el1", CPENC (3, 0, C2, C2, 2), F_ARCHEXT },
3906 { "apdbkeyhi_el1", CPENC (3, 0, C2, C2, 3), F_ARCHEXT },
3907 { "apgakeylo_el1", CPENC (3, 0, C2, C3, 0), F_ARCHEXT },
3908 { "apgakeyhi_el1", CPENC (3, 0, C2, C3, 1), F_ARCHEXT },
3909 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
3910 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
3911 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
3912 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
3913 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
3914 { "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT },
3915 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
3916 { "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT },
3917 { "esr_el1", CPENC(3,0,C5,C2,0), 0 },
3918 { "esr_el2", CPENC(3,4,C5,C2,0), 0 },
3919 { "esr_el3", CPENC(3,6,C5,C2,0), 0 },
3920 { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT },
3921 { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT },
3922 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
3923 { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3924 { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT },
3925 { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3926 { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT },
3927 { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT },
3928 { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT },
3929 { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT },
3930 { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT },
3931 { "far_el1", CPENC(3,0,C6,C0,0), 0 },
3932 { "far_el2", CPENC(3,4,C6,C0,0), 0 },
3933 { "far_el3", CPENC(3,6,C6,C0,0), 0 },
3934 { "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT },
3935 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
3936 { "par_el1", CPENC(3,0,C7,C4,0), 0 },
3937 { "mair_el1", CPENC(3,0,C10,C2,0), 0 },
3938 { "mair_el2", CPENC(3,4,C10,C2,0), 0 },
3939 { "mair_el3", CPENC(3,6,C10,C2,0), 0 },
3940 { "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT },
3941 { "amair_el1", CPENC(3,0,C10,C3,0), 0 },
3942 { "amair_el2", CPENC(3,4,C10,C3,0), 0 },
3943 { "amair_el3", CPENC(3,6,C10,C3,0), 0 },
3944 { "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT },
3945 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
3946 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
3947 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
3948 { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT },
3949 { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */
3950 { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */
3951 { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */
3952 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
3953 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
3954 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
3955 { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */
3956 { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT },
3957 { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT },
3958 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
3959 { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT },
3960 { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT },
3961 { "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */
3962 { "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */
3963 { "tco", CPENC(3,3,C4,C2,7), F_ARCHEXT },
3964 { "tfsre0_el1", CPENC(3,0,C6,C6,1), F_ARCHEXT },
3965 { "tfsr_el1", CPENC(3,0,C6,C5,0), F_ARCHEXT },
3966 { "tfsr_el2", CPENC(3,4,C6,C5,0), F_ARCHEXT },
3967 { "tfsr_el3", CPENC(3,6,C6,C6,0), F_ARCHEXT },
3968 { "tfsr_el12", CPENC(3,5,C6,C6,0), F_ARCHEXT },
3969 { "rgsr_el1", CPENC(3,0,C1,C0,5), F_ARCHEXT },
3970 { "gcr_el1", CPENC(3,0,C1,C0,6), F_ARCHEXT },
3971 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
3972 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */
3973 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
3974 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
3975 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
3976 { "scxtnum_el0", CPENC(3,3,C13,C0,7), F_ARCHEXT },
3977 { "scxtnum_el1", CPENC(3,0,C13,C0,7), F_ARCHEXT },
3978 { "scxtnum_el2", CPENC(3,4,C13,C0,7), F_ARCHEXT },
3979 { "scxtnum_el12", CPENC(3,5,C13,C0,7), F_ARCHEXT },
3980 { "scxtnum_el3", CPENC(3,6,C13,C0,7), F_ARCHEXT },
3981 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
3982 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */
3983 { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */
3984 { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */
3985 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
3986 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
3987 { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT },
3988 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
3989 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
3990 { "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT },
3991 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
3992 { "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT },
3993 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
3994 { "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT },
3995 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
3996 { "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT },
3997 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
3998 { "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT },
3999 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
4000 { "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT },
4001 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
4002 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
4003 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
4004 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
4005 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
4006 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
4007 { "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT },
4008 { "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT },
4009 { "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT },
4010 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
4011 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
4012 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
4013 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
4014 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
4015 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */
4016 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
4017 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
4018 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */
4019 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */
4020 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 },
4021 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 },
4022 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
4023 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
4024 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
4025 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
4026 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
4027 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
4028 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
4029 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
4030 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
4031 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
4032 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
4033 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
4034 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
4035 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
4036 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
4037 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
4038 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
4039 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
4040 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
4041 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
4042 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
4043 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
4044 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
4045 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
4046 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
4047 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
4048 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
4049 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
4050 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
4051 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
4052 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
4053 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
4054 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
4055 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
4056 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
4057 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
4058 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
4059 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
4060 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
4061 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
4062 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
4063 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
4064 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
4065 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
4066 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
4067 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
4068 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
4069 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
4070 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
4071 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
4072 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
4073 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
4074 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
4075 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
4076 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
4077 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
4078 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
4079 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
4080 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
4081 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
4082 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
4083 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
4084 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
4085 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
4086 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
4087 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
4088 { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */
4089 { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */
4090 { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */
4091 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
4092 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
4093 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
4094 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
4095 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */
4096 { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */
4097 { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */
4098 { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */
4099 { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */
4100 { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */
4101 { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */
4102 { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */
4103 { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */
4104 { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */
4105 { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */
4106 { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* rw */
4107 { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */
4108 { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */
4109 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
4110 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
4111 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
4112 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
4113 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */
4114 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
4115 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */
4116 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */
4117 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
4118 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
4119 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
4120 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
4121 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
4122 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
4123 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
4124 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
4125 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
4126 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
4127 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
4128 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
4129 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
4130 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
4131 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
4132 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
4133 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
4134 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
4135 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
4136 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
4137 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
4138 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
4139 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
4140 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
4141 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
4142 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
4143 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
4144 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
4145 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
4146 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
4147 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
4148 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
4149 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
4150 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
4151 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
4152 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
4153 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
4154 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
4155 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
4156 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
4157 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
4158 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
4159 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
4160 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
4161 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
4162 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
4163 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
4164 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
4165 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
4166 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
4167 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
4168 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
4169 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
4170 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
4171 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
4172 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
4173 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
4174 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
4175 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
4176 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
4177 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
4178 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
4179 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
4180 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
4181 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
4182 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
4183 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
4184 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
4185 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
4186 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
4188 { "dit", CPEN_ (3, C2, 5), F_ARCHEXT },
4189 { "vstcr_el2", CPENC(3, 4, C2, C6, 2), F_ARCHEXT },
4190 { "vsttbr_el2", CPENC(3, 4, C2, C6, 0), F_ARCHEXT },
4191 { "cnthvs_tval_el2", CPENC(3, 4, C14, C4, 0), F_ARCHEXT },
4192 { "cnthvs_cval_el2", CPENC(3, 4, C14, C4, 2), F_ARCHEXT },
4193 { "cnthvs_ctl_el2", CPENC(3, 4, C14, C4, 1), F_ARCHEXT },
4194 { "cnthps_tval_el2", CPENC(3, 4, C14, C5, 0), F_ARCHEXT },
4195 { "cnthps_cval_el2", CPENC(3, 4, C14, C5, 2), F_ARCHEXT },
4196 { "cnthps_ctl_el2", CPENC(3, 4, C14, C5, 1), F_ARCHEXT },
4197 { "sder32_el2", CPENC(3, 4, C1, C3, 1), F_ARCHEXT },
4198 { "vncr_el2", CPENC(3, 4, C2, C2, 0), F_ARCHEXT },
4199 { 0, CPENC(0,0,0,0,0), 0 },
4203 aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
4205 return (reg->flags & F_DEPRECATED) != 0;
4209 aarch64_sys_reg_supported_p (const aarch64_feature_set features,
4210 const aarch64_sys_reg *reg)
4212 if (!(reg->flags & F_ARCHEXT))
4215 /* PAN. Values are from aarch64_sys_regs. */
4216 if (reg->value == CPEN_(0,C2,3)
4217 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4220 /* SCXTNUM_ELx registers. */
4221 if ((reg->value == CPENC (3, 3, C13, C0, 7)
4222 || reg->value == CPENC (3, 0, C13, C0, 7)
4223 || reg->value == CPENC (3, 4, C13, C0, 7)
4224 || reg->value == CPENC (3, 6, C13, C0, 7)
4225 || reg->value == CPENC (3, 5, C13, C0, 7))
4226 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SCXTNUM))
4229 /* ID_PFR2_EL1 register. */
4230 if (reg->value == CPENC(3, 0, C0, C3, 4)
4231 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_ID_PFR2))
4234 /* SSBS. Values are from aarch64_sys_regs. */
4235 if (reg->value == CPEN_(3,C2,6)
4236 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4239 /* Virtualization host extensions: system registers. */
4240 if ((reg->value == CPENC (3, 4, C2, C0, 1)
4241 || reg->value == CPENC (3, 4, C13, C0, 1)
4242 || reg->value == CPENC (3, 4, C14, C3, 0)
4243 || reg->value == CPENC (3, 4, C14, C3, 1)
4244 || reg->value == CPENC (3, 4, C14, C3, 2))
4245 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4248 /* Virtualization host extensions: *_el12 names of *_el1 registers. */
4249 if ((reg->value == CPEN_ (5, C0, 0)
4250 || reg->value == CPEN_ (5, C0, 1)
4251 || reg->value == CPENC (3, 5, C1, C0, 0)
4252 || reg->value == CPENC (3, 5, C1, C0, 2)
4253 || reg->value == CPENC (3, 5, C2, C0, 0)
4254 || reg->value == CPENC (3, 5, C2, C0, 1)
4255 || reg->value == CPENC (3, 5, C2, C0, 2)
4256 || reg->value == CPENC (3, 5, C5, C1, 0)
4257 || reg->value == CPENC (3, 5, C5, C1, 1)
4258 || reg->value == CPENC (3, 5, C5, C2, 0)
4259 || reg->value == CPENC (3, 5, C6, C0, 0)
4260 || reg->value == CPENC (3, 5, C10, C2, 0)
4261 || reg->value == CPENC (3, 5, C10, C3, 0)
4262 || reg->value == CPENC (3, 5, C12, C0, 0)
4263 || reg->value == CPENC (3, 5, C13, C0, 1)
4264 || reg->value == CPENC (3, 5, C14, C1, 0))
4265 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4268 /* Virtualization host extensions: *_el02 names of *_el0 registers. */
4269 if ((reg->value == CPENC (3, 5, C14, C2, 0)
4270 || reg->value == CPENC (3, 5, C14, C2, 1)
4271 || reg->value == CPENC (3, 5, C14, C2, 2)
4272 || reg->value == CPENC (3, 5, C14, C3, 0)
4273 || reg->value == CPENC (3, 5, C14, C3, 1)
4274 || reg->value == CPENC (3, 5, C14, C3, 2))
4275 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4278 /* ARMv8.2 features. */
4280 /* ID_AA64MMFR2_EL1. */
4281 if (reg->value == CPENC (3, 0, C0, C7, 2)
4282 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4286 if (reg->value == CPEN_ (0, C2, 4)
4287 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4290 /* RAS extension. */
4292 /* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1,
4293 ERXMISC0_EL1 AND ERXMISC1_EL1. */
4294 if ((reg->value == CPENC (3, 0, C5, C3, 0)
4295 || reg->value == CPENC (3, 0, C5, C3, 1)
4296 || reg->value == CPENC (3, 0, C5, C3, 2)
4297 || reg->value == CPENC (3, 0, C5, C3, 3)
4298 || reg->value == CPENC (3, 0, C5, C4, 0)
4299 || reg->value == CPENC (3, 0, C5, C4, 1)
4300 || reg->value == CPENC (3, 0, C5, C4, 2)
4301 || reg->value == CPENC (3, 0, C5, C4, 3)
4302 || reg->value == CPENC (3, 0, C5, C5, 0)
4303 || reg->value == CPENC (3, 0, C5, C5, 1))
4304 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4307 /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */
4308 if ((reg->value == CPENC (3, 4, C5, C2, 3)
4309 || reg->value == CPENC (3, 0, C12, C1, 1)
4310 || reg->value == CPENC (3, 4, C12, C1, 1))
4311 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4314 /* Statistical Profiling extension. */
4315 if ((reg->value == CPENC (3, 0, C9, C10, 0)
4316 || reg->value == CPENC (3, 0, C9, C10, 1)
4317 || reg->value == CPENC (3, 0, C9, C10, 3)
4318 || reg->value == CPENC (3, 0, C9, C10, 7)
4319 || reg->value == CPENC (3, 0, C9, C9, 0)
4320 || reg->value == CPENC (3, 0, C9, C9, 2)
4321 || reg->value == CPENC (3, 0, C9, C9, 3)
4322 || reg->value == CPENC (3, 0, C9, C9, 4)
4323 || reg->value == CPENC (3, 0, C9, C9, 5)
4324 || reg->value == CPENC (3, 0, C9, C9, 6)
4325 || reg->value == CPENC (3, 0, C9, C9, 7)
4326 || reg->value == CPENC (3, 4, C9, C9, 0)
4327 || reg->value == CPENC (3, 5, C9, C9, 0))
4328 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE))
4331 /* ARMv8.3 Pointer authentication keys. */
4332 if ((reg->value == CPENC (3, 0, C2, C1, 0)
4333 || reg->value == CPENC (3, 0, C2, C1, 1)
4334 || reg->value == CPENC (3, 0, C2, C1, 2)
4335 || reg->value == CPENC (3, 0, C2, C1, 3)
4336 || reg->value == CPENC (3, 0, C2, C2, 0)
4337 || reg->value == CPENC (3, 0, C2, C2, 1)
4338 || reg->value == CPENC (3, 0, C2, C2, 2)
4339 || reg->value == CPENC (3, 0, C2, C2, 3)
4340 || reg->value == CPENC (3, 0, C2, C3, 0)
4341 || reg->value == CPENC (3, 0, C2, C3, 1))
4342 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_3))
4346 if ((reg->value == CPENC (3, 0, C0, C4, 4)
4347 || reg->value == CPENC (3, 0, C1, C2, 0)
4348 || reg->value == CPENC (3, 4, C1, C2, 0)
4349 || reg->value == CPENC (3, 6, C1, C2, 0)
4350 || reg->value == CPENC (3, 5, C1, C2, 0)
4351 || reg->value == CPENC (3, 0, C0, C0, 7))
4352 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SVE))
4355 /* ARMv8.4 features. */
4358 if (reg->value == CPEN_ (3, C2, 5)
4359 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4362 /* Virtualization extensions. */
4363 if ((reg->value == CPENC(3, 4, C2, C6, 2)
4364 || reg->value == CPENC(3, 4, C2, C6, 0)
4365 || reg->value == CPENC(3, 4, C14, C4, 0)
4366 || reg->value == CPENC(3, 4, C14, C4, 2)
4367 || reg->value == CPENC(3, 4, C14, C4, 1)
4368 || reg->value == CPENC(3, 4, C14, C5, 0)
4369 || reg->value == CPENC(3, 4, C14, C5, 2)
4370 || reg->value == CPENC(3, 4, C14, C5, 1)
4371 || reg->value == CPENC(3, 4, C1, C3, 1)
4372 || reg->value == CPENC(3, 4, C2, C2, 0))
4373 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4376 /* ARMv8.4 TLB instructions. */
4377 if ((reg->value == CPENS (0, C8, C1, 0)
4378 || reg->value == CPENS (0, C8, C1, 1)
4379 || reg->value == CPENS (0, C8, C1, 2)
4380 || reg->value == CPENS (0, C8, C1, 3)
4381 || reg->value == CPENS (0, C8, C1, 5)
4382 || reg->value == CPENS (0, C8, C1, 7)
4383 || reg->value == CPENS (4, C8, C4, 0)
4384 || reg->value == CPENS (4, C8, C4, 4)
4385 || reg->value == CPENS (4, C8, C1, 1)
4386 || reg->value == CPENS (4, C8, C1, 5)
4387 || reg->value == CPENS (4, C8, C1, 6)
4388 || reg->value == CPENS (6, C8, C1, 1)
4389 || reg->value == CPENS (6, C8, C1, 5)
4390 || reg->value == CPENS (4, C8, C1, 0)
4391 || reg->value == CPENS (4, C8, C1, 4)
4392 || reg->value == CPENS (6, C8, C1, 0)
4393 || reg->value == CPENS (0, C8, C6, 1)
4394 || reg->value == CPENS (0, C8, C6, 3)
4395 || reg->value == CPENS (0, C8, C6, 5)
4396 || reg->value == CPENS (0, C8, C6, 7)
4397 || reg->value == CPENS (0, C8, C2, 1)
4398 || reg->value == CPENS (0, C8, C2, 3)
4399 || reg->value == CPENS (0, C8, C2, 5)
4400 || reg->value == CPENS (0, C8, C2, 7)
4401 || reg->value == CPENS (0, C8, C5, 1)
4402 || reg->value == CPENS (0, C8, C5, 3)
4403 || reg->value == CPENS (0, C8, C5, 5)
4404 || reg->value == CPENS (0, C8, C5, 7)
4405 || reg->value == CPENS (4, C8, C0, 2)
4406 || reg->value == CPENS (4, C8, C0, 6)
4407 || reg->value == CPENS (4, C8, C4, 2)
4408 || reg->value == CPENS (4, C8, C4, 6)
4409 || reg->value == CPENS (4, C8, C4, 3)
4410 || reg->value == CPENS (4, C8, C4, 7)
4411 || reg->value == CPENS (4, C8, C6, 1)
4412 || reg->value == CPENS (4, C8, C6, 5)
4413 || reg->value == CPENS (4, C8, C2, 1)
4414 || reg->value == CPENS (4, C8, C2, 5)
4415 || reg->value == CPENS (4, C8, C5, 1)
4416 || reg->value == CPENS (4, C8, C5, 5)
4417 || reg->value == CPENS (6, C8, C6, 1)
4418 || reg->value == CPENS (6, C8, C6, 5)
4419 || reg->value == CPENS (6, C8, C2, 1)
4420 || reg->value == CPENS (6, C8, C2, 5)
4421 || reg->value == CPENS (6, C8, C5, 1)
4422 || reg->value == CPENS (6, C8, C5, 5))
4423 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4426 /* Random Number Instructions. For now they are available
4427 (and optional) only with ARMv8.5-A. */
4428 if ((reg->value == CPENC (3, 3, C2, C4, 0)
4429 || reg->value == CPENC (3, 3, C2, C4, 1))
4430 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RNG)
4431 && AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_5)))
4434 /* System Registers in ARMv8.5-A with AARCH64_FEATURE_MEMTAG. */
4435 if ((reg->value == CPENC (3, 3, C4, C2, 7)
4436 || reg->value == CPENC (3, 0, C6, C6, 1)
4437 || reg->value == CPENC (3, 0, C6, C5, 0)
4438 || reg->value == CPENC (3, 4, C6, C5, 0)
4439 || reg->value == CPENC (3, 6, C6, C6, 0)
4440 || reg->value == CPENC (3, 5, C6, C6, 0)
4441 || reg->value == CPENC (3, 0, C1, C0, 5)
4442 || reg->value == CPENC (3, 0, C1, C0, 6))
4443 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)))
4449 /* The CPENC below is fairly misleading, the fields
4450 here are not in CPENC form. They are in op2op1 form. The fields are encoded
4451 by ins_pstatefield, which just shifts the value by the width of the fields
4452 in a loop. So if you CPENC them only the first value will be set, the rest
4453 are masked out to 0. As an example. op2 = 3, op1=2. CPENC would produce a
4454 value of 0b110000000001000000 (0x30040) while what you want is
4456 const aarch64_sys_reg aarch64_pstatefields [] =
4458 { "spsel", 0x05, 0 },
4459 { "daifset", 0x1e, 0 },
4460 { "daifclr", 0x1f, 0 },
4461 { "pan", 0x04, F_ARCHEXT },
4462 { "uao", 0x03, F_ARCHEXT },
4463 { "ssbs", 0x19, F_ARCHEXT },
4464 { "dit", 0x1a, F_ARCHEXT },
4465 { "tco", 0x1c, F_ARCHEXT },
4466 { 0, CPENC(0,0,0,0,0), 0 },
4470 aarch64_pstatefield_supported_p (const aarch64_feature_set features,
4471 const aarch64_sys_reg *reg)
4473 if (!(reg->flags & F_ARCHEXT))
4476 /* PAN. Values are from aarch64_pstatefields. */
4477 if (reg->value == 0x04
4478 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4481 /* UAO. Values are from aarch64_pstatefields. */
4482 if (reg->value == 0x03
4483 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4486 /* SSBS. Values are from aarch64_pstatefields. */
4487 if (reg->value == 0x19
4488 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4491 /* DIT. Values are from aarch64_pstatefields. */
4492 if (reg->value == 0x1a
4493 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4496 /* TCO. Values are from aarch64_pstatefields. */
4497 if (reg->value == 0x1c
4498 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4504 const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
4506 { "ialluis", CPENS(0,C7,C1,0), 0 },
4507 { "iallu", CPENS(0,C7,C5,0), 0 },
4508 { "ivau", CPENS (3, C7, C5, 1), F_HASXT },
4509 { 0, CPENS(0,0,0,0), 0 }
4512 const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
4514 { "zva", CPENS (3, C7, C4, 1), F_HASXT },
4515 { "gva", CPENS (3, C7, C4, 3), F_HASXT | F_ARCHEXT },
4516 { "gzva", CPENS (3, C7, C4, 4), F_HASXT | F_ARCHEXT },
4517 { "ivac", CPENS (0, C7, C6, 1), F_HASXT },
4518 { "igvac", CPENS (0, C7, C6, 3), F_HASXT | F_ARCHEXT },
4519 { "igsw", CPENS (0, C7, C6, 4), F_HASXT | F_ARCHEXT },
4520 { "isw", CPENS (0, C7, C6, 2), F_HASXT },
4521 { "igdvac", CPENS (0, C7, C6, 5), F_HASXT | F_ARCHEXT },
4522 { "igdsw", CPENS (0, C7, C6, 6), F_HASXT | F_ARCHEXT },
4523 { "cvac", CPENS (3, C7, C10, 1), F_HASXT },
4524 { "cgvac", CPENS (3, C7, C10, 3), F_HASXT | F_ARCHEXT },
4525 { "cgdvac", CPENS (3, C7, C10, 5), F_HASXT | F_ARCHEXT },
4526 { "csw", CPENS (0, C7, C10, 2), F_HASXT },
4527 { "cgsw", CPENS (0, C7, C10, 4), F_HASXT | F_ARCHEXT },
4528 { "cgdsw", CPENS (0, C7, C10, 6), F_HASXT | F_ARCHEXT },
4529 { "cvau", CPENS (3, C7, C11, 1), F_HASXT },
4530 { "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT },
4531 { "cgvap", CPENS (3, C7, C12, 3), F_HASXT | F_ARCHEXT },
4532 { "cgdvap", CPENS (3, C7, C12, 5), F_HASXT | F_ARCHEXT },
4533 { "cvadp", CPENS (3, C7, C13, 1), F_HASXT | F_ARCHEXT },
4534 { "cgvadp", CPENS (3, C7, C13, 3), F_HASXT | F_ARCHEXT },
4535 { "cgdvadp", CPENS (3, C7, C13, 5), F_HASXT | F_ARCHEXT },
4536 { "civac", CPENS (3, C7, C14, 1), F_HASXT },
4537 { "cigvac", CPENS (3, C7, C14, 3), F_HASXT | F_ARCHEXT },
4538 { "cigdvac", CPENS (3, C7, C14, 5), F_HASXT | F_ARCHEXT },
4539 { "cisw", CPENS (0, C7, C14, 2), F_HASXT },
4540 { "cigsw", CPENS (0, C7, C14, 4), F_HASXT | F_ARCHEXT },
4541 { "cigdsw", CPENS (0, C7, C14, 6), F_HASXT | F_ARCHEXT },
4542 { 0, CPENS(0,0,0,0), 0 }
4545 const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
4547 { "s1e1r", CPENS (0, C7, C8, 0), F_HASXT },
4548 { "s1e1w", CPENS (0, C7, C8, 1), F_HASXT },
4549 { "s1e0r", CPENS (0, C7, C8, 2), F_HASXT },
4550 { "s1e0w", CPENS (0, C7, C8, 3), F_HASXT },
4551 { "s12e1r", CPENS (4, C7, C8, 4), F_HASXT },
4552 { "s12e1w", CPENS (4, C7, C8, 5), F_HASXT },
4553 { "s12e0r", CPENS (4, C7, C8, 6), F_HASXT },
4554 { "s12e0w", CPENS (4, C7, C8, 7), F_HASXT },
4555 { "s1e2r", CPENS (4, C7, C8, 0), F_HASXT },
4556 { "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
4557 { "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
4558 { "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
4559 { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
4560 { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
4561 { 0, CPENS(0,0,0,0), 0 }
4564 const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
4566 { "vmalle1", CPENS(0,C8,C7,0), 0 },
4567 { "vae1", CPENS (0, C8, C7, 1), F_HASXT },
4568 { "aside1", CPENS (0, C8, C7, 2), F_HASXT },
4569 { "vaae1", CPENS (0, C8, C7, 3), F_HASXT },
4570 { "vmalle1is", CPENS(0,C8,C3,0), 0 },
4571 { "vae1is", CPENS (0, C8, C3, 1), F_HASXT },
4572 { "aside1is", CPENS (0, C8, C3, 2), F_HASXT },
4573 { "vaae1is", CPENS (0, C8, C3, 3), F_HASXT },
4574 { "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT },
4575 { "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT },
4576 { "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT },
4577 { "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT },
4578 { "vae2", CPENS (4, C8, C7, 1), F_HASXT },
4579 { "vae2is", CPENS (4, C8, C3, 1), F_HASXT },
4580 { "vmalls12e1",CPENS(4,C8,C7,6), 0 },
4581 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
4582 { "vae3", CPENS (6, C8, C7, 1), F_HASXT },
4583 { "vae3is", CPENS (6, C8, C3, 1), F_HASXT },
4584 { "alle2", CPENS(4,C8,C7,0), 0 },
4585 { "alle2is", CPENS(4,C8,C3,0), 0 },
4586 { "alle1", CPENS(4,C8,C7,4), 0 },
4587 { "alle1is", CPENS(4,C8,C3,4), 0 },
4588 { "alle3", CPENS(6,C8,C7,0), 0 },
4589 { "alle3is", CPENS(6,C8,C3,0), 0 },
4590 { "vale1is", CPENS (0, C8, C3, 5), F_HASXT },
4591 { "vale2is", CPENS (4, C8, C3, 5), F_HASXT },
4592 { "vale3is", CPENS (6, C8, C3, 5), F_HASXT },
4593 { "vaale1is", CPENS (0, C8, C3, 7), F_HASXT },
4594 { "vale1", CPENS (0, C8, C7, 5), F_HASXT },
4595 { "vale2", CPENS (4, C8, C7, 5), F_HASXT },
4596 { "vale3", CPENS (6, C8, C7, 5), F_HASXT },
4597 { "vaale1", CPENS (0, C8, C7, 7), F_HASXT },
4599 { "vmalle1os", CPENS (0, C8, C1, 0), F_ARCHEXT },
4600 { "vae1os", CPENS (0, C8, C1, 1), F_HASXT | F_ARCHEXT },
4601 { "aside1os", CPENS (0, C8, C1, 2), F_HASXT | F_ARCHEXT },
4602 { "vaae1os", CPENS (0, C8, C1, 3), F_HASXT | F_ARCHEXT },
4603 { "vale1os", CPENS (0, C8, C1, 5), F_HASXT | F_ARCHEXT },
4604 { "vaale1os", CPENS (0, C8, C1, 7), F_HASXT | F_ARCHEXT },
4605 { "ipas2e1os", CPENS (4, C8, C4, 0), F_HASXT | F_ARCHEXT },
4606 { "ipas2le1os", CPENS (4, C8, C4, 4), F_HASXT | F_ARCHEXT },
4607 { "vae2os", CPENS (4, C8, C1, 1), F_HASXT | F_ARCHEXT },
4608 { "vale2os", CPENS (4, C8, C1, 5), F_HASXT | F_ARCHEXT },
4609 { "vmalls12e1os", CPENS (4, C8, C1, 6), F_ARCHEXT },
4610 { "vae3os", CPENS (6, C8, C1, 1), F_HASXT | F_ARCHEXT },
4611 { "vale3os", CPENS (6, C8, C1, 5), F_HASXT | F_ARCHEXT },
4612 { "alle2os", CPENS (4, C8, C1, 0), F_ARCHEXT },
4613 { "alle1os", CPENS (4, C8, C1, 4), F_ARCHEXT },
4614 { "alle3os", CPENS (6, C8, C1, 0), F_ARCHEXT },
4616 { "rvae1", CPENS (0, C8, C6, 1), F_HASXT | F_ARCHEXT },
4617 { "rvaae1", CPENS (0, C8, C6, 3), F_HASXT | F_ARCHEXT },
4618 { "rvale1", CPENS (0, C8, C6, 5), F_HASXT | F_ARCHEXT },
4619 { "rvaale1", CPENS (0, C8, C6, 7), F_HASXT | F_ARCHEXT },
4620 { "rvae1is", CPENS (0, C8, C2, 1), F_HASXT | F_ARCHEXT },
4621 { "rvaae1is", CPENS (0, C8, C2, 3), F_HASXT | F_ARCHEXT },
4622 { "rvale1is", CPENS (0, C8, C2, 5), F_HASXT | F_ARCHEXT },
4623 { "rvaale1is", CPENS (0, C8, C2, 7), F_HASXT | F_ARCHEXT },
4624 { "rvae1os", CPENS (0, C8, C5, 1), F_HASXT | F_ARCHEXT },
4625 { "rvaae1os", CPENS (0, C8, C5, 3), F_HASXT | F_ARCHEXT },
4626 { "rvale1os", CPENS (0, C8, C5, 5), F_HASXT | F_ARCHEXT },
4627 { "rvaale1os", CPENS (0, C8, C5, 7), F_HASXT | F_ARCHEXT },
4628 { "ripas2e1is", CPENS (4, C8, C0, 2), F_HASXT | F_ARCHEXT },
4629 { "ripas2le1is",CPENS (4, C8, C0, 6), F_HASXT | F_ARCHEXT },
4630 { "ripas2e1", CPENS (4, C8, C4, 2), F_HASXT | F_ARCHEXT },
4631 { "ripas2le1", CPENS (4, C8, C4, 6), F_HASXT | F_ARCHEXT },
4632 { "ripas2e1os", CPENS (4, C8, C4, 3), F_HASXT | F_ARCHEXT },
4633 { "ripas2le1os",CPENS (4, C8, C4, 7), F_HASXT | F_ARCHEXT },
4634 { "rvae2", CPENS (4, C8, C6, 1), F_HASXT | F_ARCHEXT },
4635 { "rvale2", CPENS (4, C8, C6, 5), F_HASXT | F_ARCHEXT },
4636 { "rvae2is", CPENS (4, C8, C2, 1), F_HASXT | F_ARCHEXT },
4637 { "rvale2is", CPENS (4, C8, C2, 5), F_HASXT | F_ARCHEXT },
4638 { "rvae2os", CPENS (4, C8, C5, 1), F_HASXT | F_ARCHEXT },
4639 { "rvale2os", CPENS (4, C8, C5, 5), F_HASXT | F_ARCHEXT },
4640 { "rvae3", CPENS (6, C8, C6, 1), F_HASXT | F_ARCHEXT },
4641 { "rvale3", CPENS (6, C8, C6, 5), F_HASXT | F_ARCHEXT },
4642 { "rvae3is", CPENS (6, C8, C2, 1), F_HASXT | F_ARCHEXT },
4643 { "rvale3is", CPENS (6, C8, C2, 5), F_HASXT | F_ARCHEXT },
4644 { "rvae3os", CPENS (6, C8, C5, 1), F_HASXT | F_ARCHEXT },
4645 { "rvale3os", CPENS (6, C8, C5, 5), F_HASXT | F_ARCHEXT },
4647 { 0, CPENS(0,0,0,0), 0 }
4650 const aarch64_sys_ins_reg aarch64_sys_regs_sr[] =
4652 /* RCTX is somewhat unique in a way that it has different values
4653 (op2) based on the instruction in which it is used (cfp/dvp/cpp).
4654 Thus op2 is masked out and instead encoded directly in the
4655 aarch64_opcode_table entries for the respective instructions. */
4656 { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */
4658 { 0, CPENS(0,0,0,0), 0 }
4662 aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
4664 return (sys_ins_reg->flags & F_HASXT) != 0;
4668 aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
4669 const aarch64_sys_ins_reg *reg)
4671 if (!(reg->flags & F_ARCHEXT))
4674 /* DC CVAP. Values are from aarch64_sys_regs_dc. */
4675 if (reg->value == CPENS (3, C7, C12, 1)
4676 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4679 /* DC CVADP. Values are from aarch64_sys_regs_dc. */
4680 if (reg->value == CPENS (3, C7, C13, 1)
4681 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_CVADP))
4684 /* DC <dc_op> for ARMv8.5-A Memory Tagging Extension. */
4685 if ((reg->value == CPENS (0, C7, C6, 3)
4686 || reg->value == CPENS (0, C7, C6, 4)
4687 || reg->value == CPENS (0, C7, C10, 4)
4688 || reg->value == CPENS (0, C7, C14, 4)
4689 || reg->value == CPENS (3, C7, C10, 3)
4690 || reg->value == CPENS (3, C7, C12, 3)
4691 || reg->value == CPENS (3, C7, C13, 3)
4692 || reg->value == CPENS (3, C7, C14, 3)
4693 || reg->value == CPENS (3, C7, C4, 3)
4694 || reg->value == CPENS (0, C7, C6, 5)
4695 || reg->value == CPENS (0, C7, C6, 6)
4696 || reg->value == CPENS (0, C7, C10, 6)
4697 || reg->value == CPENS (0, C7, C14, 6)
4698 || reg->value == CPENS (3, C7, C10, 5)
4699 || reg->value == CPENS (3, C7, C12, 5)
4700 || reg->value == CPENS (3, C7, C13, 5)
4701 || reg->value == CPENS (3, C7, C14, 5)
4702 || reg->value == CPENS (3, C7, C4, 4))
4703 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4706 /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
4707 if ((reg->value == CPENS (0, C7, C9, 0)
4708 || reg->value == CPENS (0, C7, C9, 1))
4709 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4712 /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */
4713 if (reg->value == CPENS (3, C7, C3, 0)
4714 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES))
4737 #define BIT(INSN,BT) (((INSN) >> (BT)) & 1)
4738 #define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1))
4740 static enum err_type
4741 verify_ldpsw (const struct aarch64_inst *inst ATTRIBUTE_UNUSED,
4742 const aarch64_insn insn, bfd_vma pc ATTRIBUTE_UNUSED,
4743 bfd_boolean encoding ATTRIBUTE_UNUSED,
4744 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4745 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4747 int t = BITS (insn, 4, 0);
4748 int n = BITS (insn, 9, 5);
4749 int t2 = BITS (insn, 14, 10);
4753 /* Write back enabled. */
4754 if ((t == n || t2 == n) && n != 31)
4768 /* Verifier for vector by element 3 operands functions where the
4769 conditions `if sz:L == 11 then UNDEFINED` holds. */
4771 static enum err_type
4772 verify_elem_sd (const struct aarch64_inst *inst, const aarch64_insn insn,
4773 bfd_vma pc ATTRIBUTE_UNUSED, bfd_boolean encoding,
4774 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4775 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4777 const aarch64_insn undef_pattern = 0x3;
4780 assert (inst->opcode);
4781 assert (inst->opcode->operands[2] == AARCH64_OPND_Em);
4782 value = encoding ? inst->value : insn;
4785 if (undef_pattern == extract_fields (value, 0, 2, FLD_sz, FLD_L))
4791 /* Initialize an instruction sequence insn_sequence with the instruction INST.
4792 If INST is NULL the given insn_sequence is cleared and the sequence is left
4796 init_insn_sequence (const struct aarch64_inst *inst,
4797 aarch64_instr_sequence *insn_sequence)
4799 int num_req_entries = 0;
4800 insn_sequence->next_insn = 0;
4801 insn_sequence->num_insns = num_req_entries;
4802 if (insn_sequence->instr)
4803 XDELETE (insn_sequence->instr);
4804 insn_sequence->instr = NULL;
4808 insn_sequence->instr = XNEW (aarch64_inst);
4809 memcpy (insn_sequence->instr, inst, sizeof (aarch64_inst));
4812 /* Handle all the cases here. May need to think of something smarter than
4813 a giant if/else chain if this grows. At that time, a lookup table may be
4815 if (inst && inst->opcode->constraints & C_SCAN_MOVPRFX)
4816 num_req_entries = 1;
4818 if (insn_sequence->current_insns)
4819 XDELETEVEC (insn_sequence->current_insns);
4820 insn_sequence->current_insns = NULL;
4822 if (num_req_entries != 0)
4824 size_t size = num_req_entries * sizeof (aarch64_inst);
4825 insn_sequence->current_insns
4826 = (aarch64_inst**) XNEWVEC (aarch64_inst, num_req_entries);
4827 memset (insn_sequence->current_insns, 0, size);
4832 /* This function verifies that the instruction INST adheres to its specified
4833 constraints. If it does then ERR_OK is returned, if not then ERR_VFI is
4834 returned and MISMATCH_DETAIL contains the reason why verification failed.
4836 The function is called both during assembly and disassembly. If assembling
4837 then ENCODING will be TRUE, else FALSE. If dissassembling PC will be set
4838 and will contain the PC of the current instruction w.r.t to the section.
4840 If ENCODING and PC=0 then you are at a start of a section. The constraints
4841 are verified against the given state insn_sequence which is updated as it
4842 transitions through the verification. */
4845 verify_constraints (const struct aarch64_inst *inst,
4846 const aarch64_insn insn ATTRIBUTE_UNUSED,
4848 bfd_boolean encoding,
4849 aarch64_operand_error *mismatch_detail,
4850 aarch64_instr_sequence *insn_sequence)
4853 assert (inst->opcode);
4855 const struct aarch64_opcode *opcode = inst->opcode;
4856 if (!opcode->constraints && !insn_sequence->instr)
4859 assert (insn_sequence);
4861 enum err_type res = ERR_OK;
4863 /* This instruction puts a constraint on the insn_sequence. */
4864 if (opcode->flags & F_SCAN)
4866 if (insn_sequence->instr)
4868 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4869 mismatch_detail->error = _("instruction opens new dependency "
4870 "sequence without ending previous one");
4871 mismatch_detail->index = -1;
4872 mismatch_detail->non_fatal = TRUE;
4876 init_insn_sequence (inst, insn_sequence);
4880 /* Verify constraints on an existing sequence. */
4881 if (insn_sequence->instr)
4883 const struct aarch64_opcode* inst_opcode = insn_sequence->instr->opcode;
4884 /* If we're decoding and we hit PC=0 with an open sequence then we haven't
4885 closed a previous one that we should have. */
4886 if (!encoding && pc == 0)
4888 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4889 mismatch_detail->error = _("previous `movprfx' sequence not closed");
4890 mismatch_detail->index = -1;
4891 mismatch_detail->non_fatal = TRUE;
4893 /* Reset the sequence. */
4894 init_insn_sequence (NULL, insn_sequence);
4898 /* Validate C_SCAN_MOVPRFX constraints. Move this to a lookup table. */
4899 if (inst_opcode->constraints & C_SCAN_MOVPRFX)
4901 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4902 instruction for better error messages. */
4903 if (!opcode->avariant
4904 || !(*opcode->avariant &
4905 (AARCH64_FEATURE_SVE | AARCH64_FEATURE_SVE2)))
4907 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4908 mismatch_detail->error = _("SVE instruction expected after "
4910 mismatch_detail->index = -1;
4911 mismatch_detail->non_fatal = TRUE;
4916 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4917 instruction that is allowed to be used with a MOVPRFX. */
4918 if (!(opcode->constraints & C_SCAN_MOVPRFX))
4920 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4921 mismatch_detail->error = _("SVE `movprfx' compatible instruction "
4923 mismatch_detail->index = -1;
4924 mismatch_detail->non_fatal = TRUE;
4929 /* Next check for usage of the predicate register. */
4930 aarch64_opnd_info blk_dest = insn_sequence->instr->operands[0];
4931 aarch64_opnd_info blk_pred, inst_pred;
4932 memset (&blk_pred, 0, sizeof (aarch64_opnd_info));
4933 memset (&inst_pred, 0, sizeof (aarch64_opnd_info));
4934 bfd_boolean predicated = FALSE;
4935 assert (blk_dest.type == AARCH64_OPND_SVE_Zd);
4937 /* Determine if the movprfx instruction used is predicated or not. */
4938 if (insn_sequence->instr->operands[1].type == AARCH64_OPND_SVE_Pg3)
4941 blk_pred = insn_sequence->instr->operands[1];
4944 unsigned char max_elem_size = 0;
4945 unsigned char current_elem_size;
4946 int num_op_used = 0, last_op_usage = 0;
4947 int i, inst_pred_idx = -1;
4948 int num_ops = aarch64_num_of_operands (opcode);
4949 for (i = 0; i < num_ops; i++)
4951 aarch64_opnd_info inst_op = inst->operands[i];
4952 switch (inst_op.type)
4954 case AARCH64_OPND_SVE_Zd:
4955 case AARCH64_OPND_SVE_Zm_5:
4956 case AARCH64_OPND_SVE_Zm_16:
4957 case AARCH64_OPND_SVE_Zn:
4958 case AARCH64_OPND_SVE_Zt:
4959 case AARCH64_OPND_SVE_Vm:
4960 case AARCH64_OPND_SVE_Vn:
4961 case AARCH64_OPND_Va:
4962 case AARCH64_OPND_Vn:
4963 case AARCH64_OPND_Vm:
4964 case AARCH64_OPND_Sn:
4965 case AARCH64_OPND_Sm:
4966 case AARCH64_OPND_Rn:
4967 case AARCH64_OPND_Rm:
4968 case AARCH64_OPND_Rn_SP:
4969 case AARCH64_OPND_Rt_SP:
4970 case AARCH64_OPND_Rm_SP:
4971 if (inst_op.reg.regno == blk_dest.reg.regno)
4977 = aarch64_get_qualifier_esize (inst_op.qualifier);
4978 if (current_elem_size > max_elem_size)
4979 max_elem_size = current_elem_size;
4981 case AARCH64_OPND_SVE_Pd:
4982 case AARCH64_OPND_SVE_Pg3:
4983 case AARCH64_OPND_SVE_Pg4_5:
4984 case AARCH64_OPND_SVE_Pg4_10:
4985 case AARCH64_OPND_SVE_Pg4_16:
4986 case AARCH64_OPND_SVE_Pm:
4987 case AARCH64_OPND_SVE_Pn:
4988 case AARCH64_OPND_SVE_Pt:
4989 inst_pred = inst_op;
4997 assert (max_elem_size != 0);
4998 aarch64_opnd_info inst_dest = inst->operands[0];
4999 /* Determine the size that should be used to compare against the
5002 = opcode->constraints & C_MAX_ELEM
5004 : aarch64_get_qualifier_esize (inst_dest.qualifier);
5006 /* If movprfx is predicated do some extra checks. */
5009 /* The instruction must be predicated. */
5010 if (inst_pred_idx < 0)
5012 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5013 mismatch_detail->error = _("predicated instruction expected "
5015 mismatch_detail->index = -1;
5016 mismatch_detail->non_fatal = TRUE;
5021 /* The instruction must have a merging predicate. */
5022 if (inst_pred.qualifier != AARCH64_OPND_QLF_P_M)
5024 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5025 mismatch_detail->error = _("merging predicate expected due "
5026 "to preceding `movprfx'");
5027 mismatch_detail->index = inst_pred_idx;
5028 mismatch_detail->non_fatal = TRUE;
5033 /* The same register must be used in instruction. */
5034 if (blk_pred.reg.regno != inst_pred.reg.regno)
5036 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5037 mismatch_detail->error = _("predicate register differs "
5038 "from that in preceding "
5040 mismatch_detail->index = inst_pred_idx;
5041 mismatch_detail->non_fatal = TRUE;
5047 /* Destructive operations by definition must allow one usage of the
5050 = aarch64_is_destructive_by_operands (opcode) ? 2 : 1;
5052 /* Operand is not used at all. */
5053 if (num_op_used == 0)
5055 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5056 mismatch_detail->error = _("output register of preceding "
5057 "`movprfx' not used in current "
5059 mismatch_detail->index = 0;
5060 mismatch_detail->non_fatal = TRUE;
5065 /* We now know it's used, now determine exactly where it's used. */
5066 if (blk_dest.reg.regno != inst_dest.reg.regno)
5068 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5069 mismatch_detail->error = _("output register of preceding "
5070 "`movprfx' expected as output");
5071 mismatch_detail->index = 0;
5072 mismatch_detail->non_fatal = TRUE;
5077 /* Operand used more than allowed for the specific opcode type. */
5078 if (num_op_used > allowed_usage)
5080 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5081 mismatch_detail->error = _("output register of preceding "
5082 "`movprfx' used as input");
5083 mismatch_detail->index = last_op_usage;
5084 mismatch_detail->non_fatal = TRUE;
5089 /* Now the only thing left is the qualifiers checks. The register
5090 must have the same maximum element size. */
5091 if (inst_dest.qualifier
5092 && blk_dest.qualifier
5093 && current_elem_size
5094 != aarch64_get_qualifier_esize (blk_dest.qualifier))
5096 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5097 mismatch_detail->error = _("register size not compatible with "
5098 "previous `movprfx'");
5099 mismatch_detail->index = 0;
5100 mismatch_detail->non_fatal = TRUE;
5107 /* Add the new instruction to the sequence. */
5108 memcpy (insn_sequence->current_insns + insn_sequence->next_insn++,
5109 inst, sizeof (aarch64_inst));
5111 /* Check if sequence is now full. */
5112 if (insn_sequence->next_insn >= insn_sequence->num_insns)
5114 /* Sequence is full, but we don't have anything special to do for now,
5115 so clear and reset it. */
5116 init_insn_sequence (NULL, insn_sequence);
5124 /* Return true if VALUE cannot be moved into an SVE register using DUP
5125 (with any element size, not just ESIZE) and if using DUPM would
5126 therefore be OK. ESIZE is the number of bytes in the immediate. */
5129 aarch64_sve_dupm_mov_immediate_p (uint64_t uvalue, int esize)
5131 int64_t svalue = uvalue;
5132 uint64_t upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
5134 if ((uvalue & ~upper) != uvalue && (uvalue | upper) != uvalue)
5136 if (esize <= 4 || (uint32_t) uvalue == (uint32_t) (uvalue >> 32))
5138 svalue = (int32_t) uvalue;
5139 if (esize <= 2 || (uint16_t) uvalue == (uint16_t) (uvalue >> 16))
5141 svalue = (int16_t) uvalue;
5142 if (esize == 1 || (uint8_t) uvalue == (uint8_t) (uvalue >> 8))
5146 if ((svalue & 0xff) == 0)
5148 return svalue < -128 || svalue >= 128;
5151 /* Include the opcode description table as well as the operand description
5153 #define VERIFIER(x) verify_##x
5154 #include "aarch64-tbl.h"