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 { 16, 3 }, /* SVE_imm3: 3-bit immediate field. */
298 { 16, 4 }, /* SVE_imm4: 4-bit immediate field. */
299 { 5, 5 }, /* SVE_imm5: 5-bit immediate field. */
300 { 16, 5 }, /* SVE_imm5b: secondary 5-bit immediate field. */
301 { 16, 6 }, /* SVE_imm6: 6-bit immediate field. */
302 { 14, 7 }, /* SVE_imm7: 7-bit immediate field. */
303 { 5, 8 }, /* SVE_imm8: 8-bit immediate field. */
304 { 5, 9 }, /* SVE_imm9: 9-bit immediate field. */
305 { 11, 6 }, /* SVE_immr: SVE equivalent of immr. */
306 { 5, 6 }, /* SVE_imms: SVE equivalent of imms. */
307 { 10, 2 }, /* SVE_msz: 2-bit shift amount for ADR. */
308 { 5, 5 }, /* SVE_pattern: vector pattern enumeration. */
309 { 0, 4 }, /* SVE_prfop: prefetch operation for SVE PRF[BHWD]. */
310 { 16, 1 }, /* SVE_rot1: 1-bit rotation amount. */
311 { 10, 2 }, /* SVE_rot2: 2-bit rotation amount. */
312 { 22, 1 }, /* SVE_sz: 1-bit element size select. */
313 { 16, 4 }, /* SVE_tsz: triangular size select. */
314 { 22, 2 }, /* SVE_tszh: triangular size select high, bits [23,22]. */
315 { 8, 2 }, /* SVE_tszl_8: triangular size select low, bits [9,8]. */
316 { 19, 2 }, /* SVE_tszl_19: triangular size select low, bits [20,19]. */
317 { 14, 1 }, /* SVE_xs_14: UXTW/SXTW select (bit 14). */
318 { 22, 1 }, /* SVE_xs_22: UXTW/SXTW select (bit 22). */
319 { 11, 2 }, /* rotate1: FCMLA immediate rotate. */
320 { 13, 2 }, /* rotate2: Indexed element FCMLA immediate rotate. */
321 { 12, 1 }, /* rotate3: FCADD immediate rotate. */
322 { 12, 2 }, /* SM3: Indexed element SM3 2 bits index immediate. */
323 { 22, 1 }, /* sz: 1-bit element size select. */
326 enum aarch64_operand_class
327 aarch64_get_operand_class (enum aarch64_opnd type)
329 return aarch64_operands[type].op_class;
333 aarch64_get_operand_name (enum aarch64_opnd type)
335 return aarch64_operands[type].name;
338 /* Get operand description string.
339 This is usually for the diagnosis purpose. */
341 aarch64_get_operand_desc (enum aarch64_opnd type)
343 return aarch64_operands[type].desc;
346 /* Table of all conditional affixes. */
347 const aarch64_cond aarch64_conds[16] =
349 {{"eq", "none"}, 0x0},
350 {{"ne", "any"}, 0x1},
351 {{"cs", "hs", "nlast"}, 0x2},
352 {{"cc", "lo", "ul", "last"}, 0x3},
353 {{"mi", "first"}, 0x4},
354 {{"pl", "nfrst"}, 0x5},
357 {{"hi", "pmore"}, 0x8},
358 {{"ls", "plast"}, 0x9},
359 {{"ge", "tcont"}, 0xa},
360 {{"lt", "tstop"}, 0xb},
368 get_cond_from_value (aarch64_insn value)
371 return &aarch64_conds[(unsigned int) value];
375 get_inverted_cond (const aarch64_cond *cond)
377 return &aarch64_conds[cond->value ^ 0x1];
380 /* Table describing the operand extension/shifting operators; indexed by
381 enum aarch64_modifier_kind.
383 The value column provides the most common values for encoding modifiers,
384 which enables table-driven encoding/decoding for the modifiers. */
385 const struct aarch64_name_value_pair aarch64_operand_modifiers [] =
406 enum aarch64_modifier_kind
407 aarch64_get_operand_modifier (const struct aarch64_name_value_pair *desc)
409 return desc - aarch64_operand_modifiers;
413 aarch64_get_operand_modifier_value (enum aarch64_modifier_kind kind)
415 return aarch64_operand_modifiers[kind].value;
418 enum aarch64_modifier_kind
419 aarch64_get_operand_modifier_from_value (aarch64_insn value,
420 bfd_boolean extend_p)
422 if (extend_p == TRUE)
423 return AARCH64_MOD_UXTB + value;
425 return AARCH64_MOD_LSL - value;
429 aarch64_extend_operator_p (enum aarch64_modifier_kind kind)
431 return (kind > AARCH64_MOD_LSL && kind <= AARCH64_MOD_SXTX)
435 static inline bfd_boolean
436 aarch64_shift_operator_p (enum aarch64_modifier_kind kind)
438 return (kind >= AARCH64_MOD_ROR && kind <= AARCH64_MOD_LSL)
442 const struct aarch64_name_value_pair aarch64_barrier_options[16] =
462 /* Table describing the operands supported by the aliases of the HINT
465 The name column is the operand that is accepted for the alias. The value
466 column is the hint number of the alias. The list of operands is terminated
467 by NULL in the name column. */
469 const struct aarch64_name_value_pair aarch64_hint_options[] =
471 /* BTI. This is also the F_DEFAULT entry for AARCH64_OPND_BTI_TARGET. */
472 { " ", HINT_ENCODE (HINT_OPD_F_NOPRINT, 0x20) },
473 { "csync", HINT_OPD_CSYNC }, /* PSB CSYNC. */
474 { "c", HINT_OPD_C }, /* BTI C. */
475 { "j", HINT_OPD_J }, /* BTI J. */
476 { "jc", HINT_OPD_JC }, /* BTI JC. */
477 { NULL, HINT_OPD_NULL },
480 /* op -> op: load = 0 instruction = 1 store = 2
482 t -> temporal: temporal (retained) = 0 non-temporal (streaming) = 1 */
483 #define B(op,l,t) (((op) << 3) | (((l) - 1) << 1) | (t))
484 const struct aarch64_name_value_pair aarch64_prfops[32] =
486 { "pldl1keep", B(0, 1, 0) },
487 { "pldl1strm", B(0, 1, 1) },
488 { "pldl2keep", B(0, 2, 0) },
489 { "pldl2strm", B(0, 2, 1) },
490 { "pldl3keep", B(0, 3, 0) },
491 { "pldl3strm", B(0, 3, 1) },
494 { "plil1keep", B(1, 1, 0) },
495 { "plil1strm", B(1, 1, 1) },
496 { "plil2keep", B(1, 2, 0) },
497 { "plil2strm", B(1, 2, 1) },
498 { "plil3keep", B(1, 3, 0) },
499 { "plil3strm", B(1, 3, 1) },
502 { "pstl1keep", B(2, 1, 0) },
503 { "pstl1strm", B(2, 1, 1) },
504 { "pstl2keep", B(2, 2, 0) },
505 { "pstl2strm", B(2, 2, 1) },
506 { "pstl3keep", B(2, 3, 0) },
507 { "pstl3strm", B(2, 3, 1) },
521 /* Utilities on value constraint. */
524 value_in_range_p (int64_t value, int low, int high)
526 return (value >= low && value <= high) ? 1 : 0;
529 /* Return true if VALUE is a multiple of ALIGN. */
531 value_aligned_p (int64_t value, int align)
533 return (value % align) == 0;
536 /* A signed value fits in a field. */
538 value_fit_signed_field_p (int64_t value, unsigned width)
541 if (width < sizeof (value) * 8)
543 int64_t lim = (int64_t)1 << (width - 1);
544 if (value >= -lim && value < lim)
550 /* An unsigned value fits in a field. */
552 value_fit_unsigned_field_p (int64_t value, unsigned width)
555 if (width < sizeof (value) * 8)
557 int64_t lim = (int64_t)1 << width;
558 if (value >= 0 && value < lim)
564 /* Return 1 if OPERAND is SP or WSP. */
566 aarch64_stack_pointer_p (const aarch64_opnd_info *operand)
568 return ((aarch64_get_operand_class (operand->type)
569 == AARCH64_OPND_CLASS_INT_REG)
570 && operand_maybe_stack_pointer (aarch64_operands + operand->type)
571 && operand->reg.regno == 31);
574 /* Return 1 if OPERAND is XZR or WZP. */
576 aarch64_zero_register_p (const aarch64_opnd_info *operand)
578 return ((aarch64_get_operand_class (operand->type)
579 == AARCH64_OPND_CLASS_INT_REG)
580 && !operand_maybe_stack_pointer (aarch64_operands + operand->type)
581 && operand->reg.regno == 31);
584 /* Return true if the operand *OPERAND that has the operand code
585 OPERAND->TYPE and been qualified by OPERAND->QUALIFIER can be also
586 qualified by the qualifier TARGET. */
589 operand_also_qualified_p (const struct aarch64_opnd_info *operand,
590 aarch64_opnd_qualifier_t target)
592 switch (operand->qualifier)
594 case AARCH64_OPND_QLF_W:
595 if (target == AARCH64_OPND_QLF_WSP && aarch64_stack_pointer_p (operand))
598 case AARCH64_OPND_QLF_X:
599 if (target == AARCH64_OPND_QLF_SP && aarch64_stack_pointer_p (operand))
602 case AARCH64_OPND_QLF_WSP:
603 if (target == AARCH64_OPND_QLF_W
604 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
607 case AARCH64_OPND_QLF_SP:
608 if (target == AARCH64_OPND_QLF_X
609 && operand_maybe_stack_pointer (aarch64_operands + operand->type))
619 /* Given qualifier sequence list QSEQ_LIST and the known qualifier KNOWN_QLF
620 for operand KNOWN_IDX, return the expected qualifier for operand IDX.
622 Return NIL if more than one expected qualifiers are found. */
624 aarch64_opnd_qualifier_t
625 aarch64_get_expected_qualifier (const aarch64_opnd_qualifier_seq_t *qseq_list,
627 const aarch64_opnd_qualifier_t known_qlf,
634 When the known qualifier is NIL, we have to assume that there is only
635 one qualifier sequence in the *QSEQ_LIST and return the corresponding
636 qualifier directly. One scenario is that for instruction
637 PRFM <prfop>, [<Xn|SP>, #:lo12:<symbol>]
638 which has only one possible valid qualifier sequence
640 the caller may pass NIL in KNOWN_QLF to obtain S_D so that it can
641 determine the correct relocation type (i.e. LDST64_LO12) for PRFM.
643 Because the qualifier NIL has dual roles in the qualifier sequence:
644 it can mean no qualifier for the operand, or the qualifer sequence is
645 not in use (when all qualifiers in the sequence are NILs), we have to
646 handle this special case here. */
647 if (known_qlf == AARCH64_OPND_NIL)
649 assert (qseq_list[0][known_idx] == AARCH64_OPND_NIL);
650 return qseq_list[0][idx];
653 for (i = 0, saved_i = -1; i < AARCH64_MAX_QLF_SEQ_NUM; ++i)
655 if (qseq_list[i][known_idx] == known_qlf)
658 /* More than one sequences are found to have KNOWN_QLF at
660 return AARCH64_OPND_NIL;
665 return qseq_list[saved_i][idx];
668 enum operand_qualifier_kind
676 /* Operand qualifier description. */
677 struct operand_qualifier_data
679 /* The usage of the three data fields depends on the qualifier kind. */
686 enum operand_qualifier_kind kind;
689 /* Indexed by the operand qualifier enumerators. */
690 struct operand_qualifier_data aarch64_opnd_qualifiers[] =
692 {0, 0, 0, "NIL", OQK_NIL},
694 /* Operand variant qualifiers.
696 element size, number of elements and common value for encoding. */
698 {4, 1, 0x0, "w", OQK_OPD_VARIANT},
699 {8, 1, 0x1, "x", OQK_OPD_VARIANT},
700 {4, 1, 0x0, "wsp", OQK_OPD_VARIANT},
701 {8, 1, 0x1, "sp", OQK_OPD_VARIANT},
703 {1, 1, 0x0, "b", OQK_OPD_VARIANT},
704 {2, 1, 0x1, "h", OQK_OPD_VARIANT},
705 {4, 1, 0x2, "s", OQK_OPD_VARIANT},
706 {8, 1, 0x3, "d", OQK_OPD_VARIANT},
707 {16, 1, 0x4, "q", OQK_OPD_VARIANT},
708 {4, 1, 0x0, "4b", OQK_OPD_VARIANT},
710 {1, 4, 0x0, "4b", OQK_OPD_VARIANT},
711 {1, 8, 0x0, "8b", OQK_OPD_VARIANT},
712 {1, 16, 0x1, "16b", OQK_OPD_VARIANT},
713 {2, 2, 0x0, "2h", OQK_OPD_VARIANT},
714 {2, 4, 0x2, "4h", OQK_OPD_VARIANT},
715 {2, 8, 0x3, "8h", OQK_OPD_VARIANT},
716 {4, 2, 0x4, "2s", OQK_OPD_VARIANT},
717 {4, 4, 0x5, "4s", OQK_OPD_VARIANT},
718 {8, 1, 0x6, "1d", OQK_OPD_VARIANT},
719 {8, 2, 0x7, "2d", OQK_OPD_VARIANT},
720 {16, 1, 0x8, "1q", OQK_OPD_VARIANT},
722 {0, 0, 0, "z", OQK_OPD_VARIANT},
723 {0, 0, 0, "m", OQK_OPD_VARIANT},
725 /* Qualifier for scaled immediate for Tag granule (stg,st2g,etc). */
726 {16, 0, 0, "tag", OQK_OPD_VARIANT},
728 /* Qualifiers constraining the value range.
730 Lower bound, higher bound, unused. */
732 {0, 15, 0, "CR", OQK_VALUE_IN_RANGE},
733 {0, 7, 0, "imm_0_7" , OQK_VALUE_IN_RANGE},
734 {0, 15, 0, "imm_0_15", OQK_VALUE_IN_RANGE},
735 {0, 31, 0, "imm_0_31", OQK_VALUE_IN_RANGE},
736 {0, 63, 0, "imm_0_63", OQK_VALUE_IN_RANGE},
737 {1, 32, 0, "imm_1_32", OQK_VALUE_IN_RANGE},
738 {1, 64, 0, "imm_1_64", OQK_VALUE_IN_RANGE},
740 /* Qualifiers for miscellaneous purpose.
742 unused, unused and unused. */
747 {0, 0, 0, "retrieving", 0},
750 static inline bfd_boolean
751 operand_variant_qualifier_p (aarch64_opnd_qualifier_t qualifier)
753 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_OPD_VARIANT)
757 static inline bfd_boolean
758 qualifier_value_in_range_constraint_p (aarch64_opnd_qualifier_t qualifier)
760 return (aarch64_opnd_qualifiers[qualifier].kind == OQK_VALUE_IN_RANGE)
765 aarch64_get_qualifier_name (aarch64_opnd_qualifier_t qualifier)
767 return aarch64_opnd_qualifiers[qualifier].desc;
770 /* Given an operand qualifier, return the expected data element size
771 of a qualified operand. */
773 aarch64_get_qualifier_esize (aarch64_opnd_qualifier_t qualifier)
775 assert (operand_variant_qualifier_p (qualifier) == TRUE);
776 return aarch64_opnd_qualifiers[qualifier].data0;
780 aarch64_get_qualifier_nelem (aarch64_opnd_qualifier_t qualifier)
782 assert (operand_variant_qualifier_p (qualifier) == TRUE);
783 return aarch64_opnd_qualifiers[qualifier].data1;
787 aarch64_get_qualifier_standard_value (aarch64_opnd_qualifier_t qualifier)
789 assert (operand_variant_qualifier_p (qualifier) == TRUE);
790 return aarch64_opnd_qualifiers[qualifier].data2;
794 get_lower_bound (aarch64_opnd_qualifier_t qualifier)
796 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
797 return aarch64_opnd_qualifiers[qualifier].data0;
801 get_upper_bound (aarch64_opnd_qualifier_t qualifier)
803 assert (qualifier_value_in_range_constraint_p (qualifier) == TRUE);
804 return aarch64_opnd_qualifiers[qualifier].data1;
809 aarch64_verbose (const char *str, ...)
820 dump_qualifier_sequence (const aarch64_opnd_qualifier_t *qualifier)
824 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i, ++qualifier)
825 printf ("%s,", aarch64_get_qualifier_name (*qualifier));
830 dump_match_qualifiers (const struct aarch64_opnd_info *opnd,
831 const aarch64_opnd_qualifier_t *qualifier)
834 aarch64_opnd_qualifier_t curr[AARCH64_MAX_OPND_NUM];
836 aarch64_verbose ("dump_match_qualifiers:");
837 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
838 curr[i] = opnd[i].qualifier;
839 dump_qualifier_sequence (curr);
840 aarch64_verbose ("against");
841 dump_qualifier_sequence (qualifier);
843 #endif /* DEBUG_AARCH64 */
845 /* This function checks if the given instruction INSN is a destructive
846 instruction based on the usage of the registers. It does not recognize
847 unary destructive instructions. */
849 aarch64_is_destructive_by_operands (const aarch64_opcode *opcode)
852 const enum aarch64_opnd *opnds = opcode->operands;
854 if (opnds[0] == AARCH64_OPND_NIL)
857 while (opnds[++i] != AARCH64_OPND_NIL)
858 if (opnds[i] == opnds[0])
864 /* TODO improve this, we can have an extra field at the runtime to
865 store the number of operands rather than calculating it every time. */
868 aarch64_num_of_operands (const aarch64_opcode *opcode)
871 const enum aarch64_opnd *opnds = opcode->operands;
872 while (opnds[i++] != AARCH64_OPND_NIL)
875 assert (i >= 0 && i <= AARCH64_MAX_OPND_NUM);
879 /* Find the best matched qualifier sequence in *QUALIFIERS_LIST for INST.
880 If succeeds, fill the found sequence in *RET, return 1; otherwise return 0.
882 N.B. on the entry, it is very likely that only some operands in *INST
883 have had their qualifiers been established.
885 If STOP_AT is not -1, the function will only try to match
886 the qualifier sequence for operands before and including the operand
887 of index STOP_AT; and on success *RET will only be filled with the first
888 (STOP_AT+1) qualifiers.
890 A couple examples of the matching algorithm:
898 Apart from serving the main encoding routine, this can also be called
899 during or after the operand decoding. */
902 aarch64_find_best_match (const aarch64_inst *inst,
903 const aarch64_opnd_qualifier_seq_t *qualifiers_list,
904 int stop_at, aarch64_opnd_qualifier_t *ret)
908 const aarch64_opnd_qualifier_t *qualifiers;
910 num_opnds = aarch64_num_of_operands (inst->opcode);
913 DEBUG_TRACE ("SUCCEED: no operand");
917 if (stop_at < 0 || stop_at >= num_opnds)
918 stop_at = num_opnds - 1;
920 /* For each pattern. */
921 for (i = 0; i < AARCH64_MAX_QLF_SEQ_NUM; ++i, ++qualifiers_list)
924 qualifiers = *qualifiers_list;
926 /* Start as positive. */
929 DEBUG_TRACE ("%d", i);
932 dump_match_qualifiers (inst->operands, qualifiers);
935 /* Most opcodes has much fewer patterns in the list.
936 First NIL qualifier indicates the end in the list. */
937 if (empty_qualifier_sequence_p (qualifiers) == TRUE)
939 DEBUG_TRACE_IF (i == 0, "SUCCEED: empty qualifier list");
945 for (j = 0; j < num_opnds && j <= stop_at; ++j, ++qualifiers)
947 if (inst->operands[j].qualifier == AARCH64_OPND_QLF_NIL)
949 /* Either the operand does not have qualifier, or the qualifier
950 for the operand needs to be deduced from the qualifier
952 In the latter case, any constraint checking related with
953 the obtained qualifier should be done later in
954 operand_general_constraint_met_p. */
957 else if (*qualifiers != inst->operands[j].qualifier)
959 /* Unless the target qualifier can also qualify the operand
960 (which has already had a non-nil qualifier), non-equal
961 qualifiers are generally un-matched. */
962 if (operand_also_qualified_p (inst->operands + j, *qualifiers))
971 continue; /* Equal qualifiers are certainly matched. */
974 /* Qualifiers established. */
981 /* Fill the result in *RET. */
983 qualifiers = *qualifiers_list;
985 DEBUG_TRACE ("complete qualifiers using list %d", i);
988 dump_qualifier_sequence (qualifiers);
991 for (j = 0; j <= stop_at; ++j, ++qualifiers)
992 ret[j] = *qualifiers;
993 for (; j < AARCH64_MAX_OPND_NUM; ++j)
994 ret[j] = AARCH64_OPND_QLF_NIL;
996 DEBUG_TRACE ("SUCCESS");
1000 DEBUG_TRACE ("FAIL");
1004 /* Operand qualifier matching and resolving.
1006 Return 1 if the operand qualifier(s) in *INST match one of the qualifier
1007 sequences in INST->OPCODE->qualifiers_list; otherwise return 0.
1009 if UPDATE_P == TRUE, update the qualifier(s) in *INST after the matching
1013 match_operands_qualifier (aarch64_inst *inst, bfd_boolean update_p)
1016 aarch64_opnd_qualifier_seq_t qualifiers;
1018 if (!aarch64_find_best_match (inst, inst->opcode->qualifiers_list, -1,
1021 DEBUG_TRACE ("matching FAIL");
1025 if (inst->opcode->flags & F_STRICT)
1027 /* Require an exact qualifier match, even for NIL qualifiers. */
1028 nops = aarch64_num_of_operands (inst->opcode);
1029 for (i = 0; i < nops; ++i)
1030 if (inst->operands[i].qualifier != qualifiers[i])
1034 /* Update the qualifiers. */
1035 if (update_p == TRUE)
1036 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
1038 if (inst->opcode->operands[i] == AARCH64_OPND_NIL)
1040 DEBUG_TRACE_IF (inst->operands[i].qualifier != qualifiers[i],
1041 "update %s with %s for operand %d",
1042 aarch64_get_qualifier_name (inst->operands[i].qualifier),
1043 aarch64_get_qualifier_name (qualifiers[i]), i);
1044 inst->operands[i].qualifier = qualifiers[i];
1047 DEBUG_TRACE ("matching SUCCESS");
1051 /* Return TRUE if VALUE is a wide constant that can be moved into a general
1054 IS32 indicates whether value is a 32-bit immediate or not.
1055 If SHIFT_AMOUNT is not NULL, on the return of TRUE, the logical left shift
1056 amount will be returned in *SHIFT_AMOUNT. */
1059 aarch64_wide_constant_p (int64_t value, int is32, unsigned int *shift_amount)
1063 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1067 /* Allow all zeros or all ones in top 32-bits, so that
1068 32-bit constant expressions like ~0x80000000 are
1070 uint64_t ext = value;
1071 if (ext >> 32 != 0 && ext >> 32 != (uint64_t) 0xffffffff)
1072 /* Immediate out of range. */
1074 value &= (int64_t) 0xffffffff;
1077 /* first, try movz then movn */
1079 if ((value & ((int64_t) 0xffff << 0)) == value)
1081 else if ((value & ((int64_t) 0xffff << 16)) == value)
1083 else if (!is32 && (value & ((int64_t) 0xffff << 32)) == value)
1085 else if (!is32 && (value & ((int64_t) 0xffff << 48)) == value)
1090 DEBUG_TRACE ("exit FALSE with 0x%" PRIx64 "(%" PRIi64 ")", value, value);
1094 if (shift_amount != NULL)
1095 *shift_amount = amount;
1097 DEBUG_TRACE ("exit TRUE with amount %d", amount);
1102 /* Build the accepted values for immediate logical SIMD instructions.
1104 The standard encodings of the immediate value are:
1105 N imms immr SIMD size R S
1106 1 ssssss rrrrrr 64 UInt(rrrrrr) UInt(ssssss)
1107 0 0sssss 0rrrrr 32 UInt(rrrrr) UInt(sssss)
1108 0 10ssss 00rrrr 16 UInt(rrrr) UInt(ssss)
1109 0 110sss 000rrr 8 UInt(rrr) UInt(sss)
1110 0 1110ss 0000rr 4 UInt(rr) UInt(ss)
1111 0 11110s 00000r 2 UInt(r) UInt(s)
1112 where all-ones value of S is reserved.
1114 Let's call E the SIMD size.
1116 The immediate value is: S+1 bits '1' rotated to the right by R.
1118 The total of valid encodings is 64*63 + 32*31 + ... + 2*1 = 5334
1119 (remember S != E - 1). */
1121 #define TOTAL_IMM_NB 5334
1126 aarch64_insn encoding;
1127 } simd_imm_encoding;
1129 static simd_imm_encoding simd_immediates[TOTAL_IMM_NB];
1132 simd_imm_encoding_cmp(const void *i1, const void *i2)
1134 const simd_imm_encoding *imm1 = (const simd_imm_encoding *)i1;
1135 const simd_imm_encoding *imm2 = (const simd_imm_encoding *)i2;
1137 if (imm1->imm < imm2->imm)
1139 if (imm1->imm > imm2->imm)
1144 /* immediate bitfield standard encoding
1145 imm13<12> imm13<5:0> imm13<11:6> SIMD size R S
1146 1 ssssss rrrrrr 64 rrrrrr ssssss
1147 0 0sssss 0rrrrr 32 rrrrr sssss
1148 0 10ssss 00rrrr 16 rrrr ssss
1149 0 110sss 000rrr 8 rrr sss
1150 0 1110ss 0000rr 4 rr ss
1151 0 11110s 00000r 2 r s */
1153 encode_immediate_bitfield (int is64, uint32_t s, uint32_t r)
1155 return (is64 << 12) | (r << 6) | s;
1159 build_immediate_table (void)
1161 uint32_t log_e, e, s, r, s_mask;
1167 for (log_e = 1; log_e <= 6; log_e++)
1169 /* Get element size. */
1174 mask = 0xffffffffffffffffull;
1180 mask = (1ull << e) - 1;
1182 1 ((1 << 4) - 1) << 2 = 111100
1183 2 ((1 << 3) - 1) << 3 = 111000
1184 3 ((1 << 2) - 1) << 4 = 110000
1185 4 ((1 << 1) - 1) << 5 = 100000
1186 5 ((1 << 0) - 1) << 6 = 000000 */
1187 s_mask = ((1u << (5 - log_e)) - 1) << (log_e + 1);
1189 for (s = 0; s < e - 1; s++)
1190 for (r = 0; r < e; r++)
1192 /* s+1 consecutive bits to 1 (s < 63) */
1193 imm = (1ull << (s + 1)) - 1;
1194 /* rotate right by r */
1196 imm = (imm >> r) | ((imm << (e - r)) & mask);
1197 /* replicate the constant depending on SIMD size */
1200 case 1: imm = (imm << 2) | imm;
1202 case 2: imm = (imm << 4) | imm;
1204 case 3: imm = (imm << 8) | imm;
1206 case 4: imm = (imm << 16) | imm;
1208 case 5: imm = (imm << 32) | imm;
1213 simd_immediates[nb_imms].imm = imm;
1214 simd_immediates[nb_imms].encoding =
1215 encode_immediate_bitfield(is64, s | s_mask, r);
1219 assert (nb_imms == TOTAL_IMM_NB);
1220 qsort(simd_immediates, nb_imms,
1221 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1224 /* Return TRUE if VALUE is a valid logical immediate, i.e. bitmask, that can
1225 be accepted by logical (immediate) instructions
1226 e.g. ORR <Xd|SP>, <Xn>, #<imm>.
1228 ESIZE is the number of bytes in the decoded immediate value.
1229 If ENCODING is not NULL, on the return of TRUE, the standard encoding for
1230 VALUE will be returned in *ENCODING. */
1233 aarch64_logical_immediate_p (uint64_t value, int esize, aarch64_insn *encoding)
1235 simd_imm_encoding imm_enc;
1236 const simd_imm_encoding *imm_encoding;
1237 static bfd_boolean initialized = FALSE;
1241 DEBUG_TRACE ("enter with 0x%" PRIx64 "(%" PRIi64 "), esize: %d", value,
1246 build_immediate_table ();
1250 /* Allow all zeros or all ones in top bits, so that
1251 constant expressions like ~1 are permitted. */
1252 upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
1253 if ((value & ~upper) != value && (value | upper) != value)
1256 /* Replicate to a full 64-bit value. */
1258 for (i = esize * 8; i < 64; i *= 2)
1259 value |= (value << i);
1261 imm_enc.imm = value;
1262 imm_encoding = (const simd_imm_encoding *)
1263 bsearch(&imm_enc, simd_immediates, TOTAL_IMM_NB,
1264 sizeof(simd_immediates[0]), simd_imm_encoding_cmp);
1265 if (imm_encoding == NULL)
1267 DEBUG_TRACE ("exit with FALSE");
1270 if (encoding != NULL)
1271 *encoding = imm_encoding->encoding;
1272 DEBUG_TRACE ("exit with TRUE");
1276 /* If 64-bit immediate IMM is in the format of
1277 "aaaaaaaabbbbbbbbccccccccddddddddeeeeeeeeffffffffgggggggghhhhhhhh",
1278 where a, b, c, d, e, f, g and h are independently 0 or 1, return an integer
1279 of value "abcdefgh". Otherwise return -1. */
1281 aarch64_shrink_expanded_imm8 (uint64_t imm)
1287 for (i = 0; i < 8; i++)
1289 byte = (imm >> (8 * i)) & 0xff;
1292 else if (byte != 0x00)
1298 /* Utility inline functions for operand_general_constraint_met_p. */
1301 set_error (aarch64_operand_error *mismatch_detail,
1302 enum aarch64_operand_error_kind kind, int idx,
1305 if (mismatch_detail == NULL)
1307 mismatch_detail->kind = kind;
1308 mismatch_detail->index = idx;
1309 mismatch_detail->error = error;
1313 set_syntax_error (aarch64_operand_error *mismatch_detail, int idx,
1316 if (mismatch_detail == NULL)
1318 set_error (mismatch_detail, AARCH64_OPDE_SYNTAX_ERROR, idx, error);
1322 set_out_of_range_error (aarch64_operand_error *mismatch_detail,
1323 int idx, int lower_bound, int upper_bound,
1326 if (mismatch_detail == NULL)
1328 set_error (mismatch_detail, AARCH64_OPDE_OUT_OF_RANGE, idx, error);
1329 mismatch_detail->data[0] = lower_bound;
1330 mismatch_detail->data[1] = upper_bound;
1334 set_imm_out_of_range_error (aarch64_operand_error *mismatch_detail,
1335 int idx, int lower_bound, int upper_bound)
1337 if (mismatch_detail == NULL)
1339 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1340 _("immediate value"));
1344 set_offset_out_of_range_error (aarch64_operand_error *mismatch_detail,
1345 int idx, int lower_bound, int upper_bound)
1347 if (mismatch_detail == NULL)
1349 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1350 _("immediate offset"));
1354 set_regno_out_of_range_error (aarch64_operand_error *mismatch_detail,
1355 int idx, int lower_bound, int upper_bound)
1357 if (mismatch_detail == NULL)
1359 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1360 _("register number"));
1364 set_elem_idx_out_of_range_error (aarch64_operand_error *mismatch_detail,
1365 int idx, int lower_bound, int upper_bound)
1367 if (mismatch_detail == NULL)
1369 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1370 _("register element index"));
1374 set_sft_amount_out_of_range_error (aarch64_operand_error *mismatch_detail,
1375 int idx, int lower_bound, int upper_bound)
1377 if (mismatch_detail == NULL)
1379 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1383 /* Report that the MUL modifier in operand IDX should be in the range
1384 [LOWER_BOUND, UPPER_BOUND]. */
1386 set_multiplier_out_of_range_error (aarch64_operand_error *mismatch_detail,
1387 int idx, int lower_bound, int upper_bound)
1389 if (mismatch_detail == NULL)
1391 set_out_of_range_error (mismatch_detail, idx, lower_bound, upper_bound,
1396 set_unaligned_error (aarch64_operand_error *mismatch_detail, int idx,
1399 if (mismatch_detail == NULL)
1401 set_error (mismatch_detail, AARCH64_OPDE_UNALIGNED, idx, NULL);
1402 mismatch_detail->data[0] = alignment;
1406 set_reg_list_error (aarch64_operand_error *mismatch_detail, int idx,
1409 if (mismatch_detail == NULL)
1411 set_error (mismatch_detail, AARCH64_OPDE_REG_LIST, idx, NULL);
1412 mismatch_detail->data[0] = expected_num;
1416 set_other_error (aarch64_operand_error *mismatch_detail, int idx,
1419 if (mismatch_detail == NULL)
1421 set_error (mismatch_detail, AARCH64_OPDE_OTHER_ERROR, idx, error);
1424 /* General constraint checking based on operand code.
1426 Return 1 if OPNDS[IDX] meets the general constraint of operand code TYPE
1427 as the IDXth operand of opcode OPCODE. Otherwise return 0.
1429 This function has to be called after the qualifiers for all operands
1432 Mismatching error message is returned in *MISMATCH_DETAIL upon request,
1433 i.e. when MISMATCH_DETAIL is non-NULL. This avoids the generation
1434 of error message during the disassembling where error message is not
1435 wanted. We avoid the dynamic construction of strings of error messages
1436 here (i.e. in libopcodes), as it is costly and complicated; instead, we
1437 use a combination of error code, static string and some integer data to
1438 represent an error. */
1441 operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
1442 enum aarch64_opnd type,
1443 const aarch64_opcode *opcode,
1444 aarch64_operand_error *mismatch_detail)
1446 unsigned num, modifiers, shift;
1448 int64_t imm, min_value, max_value;
1449 uint64_t uvalue, mask;
1450 const aarch64_opnd_info *opnd = opnds + idx;
1451 aarch64_opnd_qualifier_t qualifier = opnd->qualifier;
1453 assert (opcode->operands[idx] == opnd->type && opnd->type == type);
1455 switch (aarch64_operands[type].op_class)
1457 case AARCH64_OPND_CLASS_INT_REG:
1458 /* Check pair reg constraints for cas* instructions. */
1459 if (type == AARCH64_OPND_PAIRREG)
1461 assert (idx == 1 || idx == 3);
1462 if (opnds[idx - 1].reg.regno % 2 != 0)
1464 set_syntax_error (mismatch_detail, idx - 1,
1465 _("reg pair must start from even reg"));
1468 if (opnds[idx].reg.regno != opnds[idx - 1].reg.regno + 1)
1470 set_syntax_error (mismatch_detail, idx,
1471 _("reg pair must be contiguous"));
1477 /* <Xt> may be optional in some IC and TLBI instructions. */
1478 if (type == AARCH64_OPND_Rt_SYS)
1480 assert (idx == 1 && (aarch64_get_operand_class (opnds[0].type)
1481 == AARCH64_OPND_CLASS_SYSTEM));
1482 if (opnds[1].present
1483 && !aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1485 set_other_error (mismatch_detail, idx, _("extraneous register"));
1488 if (!opnds[1].present
1489 && aarch64_sys_ins_reg_has_xt (opnds[0].sysins_op))
1491 set_other_error (mismatch_detail, idx, _("missing register"));
1497 case AARCH64_OPND_QLF_WSP:
1498 case AARCH64_OPND_QLF_SP:
1499 if (!aarch64_stack_pointer_p (opnd))
1501 set_other_error (mismatch_detail, idx,
1502 _("stack pointer register expected"));
1511 case AARCH64_OPND_CLASS_SVE_REG:
1514 case AARCH64_OPND_SVE_Zm3_INDEX:
1515 case AARCH64_OPND_SVE_Zm3_22_INDEX:
1516 case AARCH64_OPND_SVE_Zm4_INDEX:
1517 size = get_operand_fields_width (get_operand_from_code (type));
1518 shift = get_operand_specific_data (&aarch64_operands[type]);
1519 mask = (1 << shift) - 1;
1520 if (opnd->reg.regno > mask)
1522 assert (mask == 7 || mask == 15);
1523 set_other_error (mismatch_detail, idx,
1525 ? _("z0-z15 expected")
1526 : _("z0-z7 expected"));
1529 mask = (1 << (size - shift)) - 1;
1530 if (!value_in_range_p (opnd->reglane.index, 0, mask))
1532 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, mask);
1537 case AARCH64_OPND_SVE_Zn_INDEX:
1538 size = aarch64_get_qualifier_esize (opnd->qualifier);
1539 if (!value_in_range_p (opnd->reglane.index, 0, 64 / size - 1))
1541 set_elem_idx_out_of_range_error (mismatch_detail, idx,
1547 case AARCH64_OPND_SVE_ZnxN:
1548 case AARCH64_OPND_SVE_ZtxN:
1549 if (opnd->reglist.num_regs != get_opcode_dependent_value (opcode))
1551 set_other_error (mismatch_detail, idx,
1552 _("invalid register list"));
1562 case AARCH64_OPND_CLASS_PRED_REG:
1563 if (opnd->reg.regno >= 8
1564 && get_operand_fields_width (get_operand_from_code (type)) == 3)
1566 set_other_error (mismatch_detail, idx, _("p0-p7 expected"));
1571 case AARCH64_OPND_CLASS_COND:
1572 if (type == AARCH64_OPND_COND1
1573 && (opnds[idx].cond->value & 0xe) == 0xe)
1575 /* Not allow AL or NV. */
1576 set_syntax_error (mismatch_detail, idx, NULL);
1580 case AARCH64_OPND_CLASS_ADDRESS:
1581 /* Check writeback. */
1582 switch (opcode->iclass)
1586 case ldstnapair_offs:
1589 if (opnd->addr.writeback == 1)
1591 set_syntax_error (mismatch_detail, idx,
1592 _("unexpected address writeback"));
1597 if (opnd->addr.writeback == 1 && opnd->addr.preind != 1)
1599 set_syntax_error (mismatch_detail, idx,
1600 _("unexpected address writeback"));
1605 case ldstpair_indexed:
1608 if (opnd->addr.writeback == 0)
1610 set_syntax_error (mismatch_detail, idx,
1611 _("address writeback expected"));
1616 assert (opnd->addr.writeback == 0);
1621 case AARCH64_OPND_ADDR_SIMM7:
1622 /* Scaled signed 7 bits immediate offset. */
1623 /* Get the size of the data element that is accessed, which may be
1624 different from that of the source register size,
1625 e.g. in strb/ldrb. */
1626 size = aarch64_get_qualifier_esize (opnd->qualifier);
1627 if (!value_in_range_p (opnd->addr.offset.imm, -64 * size, 63 * size))
1629 set_offset_out_of_range_error (mismatch_detail, idx,
1630 -64 * size, 63 * size);
1633 if (!value_aligned_p (opnd->addr.offset.imm, size))
1635 set_unaligned_error (mismatch_detail, idx, size);
1639 case AARCH64_OPND_ADDR_OFFSET:
1640 case AARCH64_OPND_ADDR_SIMM9:
1641 /* Unscaled signed 9 bits immediate offset. */
1642 if (!value_in_range_p (opnd->addr.offset.imm, -256, 255))
1644 set_offset_out_of_range_error (mismatch_detail, idx, -256, 255);
1649 case AARCH64_OPND_ADDR_SIMM9_2:
1650 /* Unscaled signed 9 bits immediate offset, which has to be negative
1652 size = aarch64_get_qualifier_esize (qualifier);
1653 if ((value_in_range_p (opnd->addr.offset.imm, 0, 255)
1654 && !value_aligned_p (opnd->addr.offset.imm, size))
1655 || value_in_range_p (opnd->addr.offset.imm, -256, -1))
1657 set_other_error (mismatch_detail, idx,
1658 _("negative or unaligned offset expected"));
1661 case AARCH64_OPND_ADDR_SIMM10:
1662 /* Scaled signed 10 bits immediate offset. */
1663 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4088))
1665 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4088);
1668 if (!value_aligned_p (opnd->addr.offset.imm, 8))
1670 set_unaligned_error (mismatch_detail, idx, 8);
1675 case AARCH64_OPND_ADDR_SIMM11:
1676 /* Signed 11 bits immediate offset (multiple of 16). */
1677 if (!value_in_range_p (opnd->addr.offset.imm, -1024, 1008))
1679 set_offset_out_of_range_error (mismatch_detail, idx, -1024, 1008);
1683 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1685 set_unaligned_error (mismatch_detail, idx, 16);
1690 case AARCH64_OPND_ADDR_SIMM13:
1691 /* Signed 13 bits immediate offset (multiple of 16). */
1692 if (!value_in_range_p (opnd->addr.offset.imm, -4096, 4080))
1694 set_offset_out_of_range_error (mismatch_detail, idx, -4096, 4080);
1698 if (!value_aligned_p (opnd->addr.offset.imm, 16))
1700 set_unaligned_error (mismatch_detail, idx, 16);
1705 case AARCH64_OPND_SIMD_ADDR_POST:
1706 /* AdvSIMD load/store multiple structures, post-index. */
1708 if (opnd->addr.offset.is_reg)
1710 if (value_in_range_p (opnd->addr.offset.regno, 0, 30))
1714 set_other_error (mismatch_detail, idx,
1715 _("invalid register offset"));
1721 const aarch64_opnd_info *prev = &opnds[idx-1];
1722 unsigned num_bytes; /* total number of bytes transferred. */
1723 /* The opcode dependent area stores the number of elements in
1724 each structure to be loaded/stored. */
1725 int is_ld1r = get_opcode_dependent_value (opcode) == 1;
1726 if (opcode->operands[0] == AARCH64_OPND_LVt_AL)
1727 /* Special handling of loading single structure to all lane. */
1728 num_bytes = (is_ld1r ? 1 : prev->reglist.num_regs)
1729 * aarch64_get_qualifier_esize (prev->qualifier);
1731 num_bytes = prev->reglist.num_regs
1732 * aarch64_get_qualifier_esize (prev->qualifier)
1733 * aarch64_get_qualifier_nelem (prev->qualifier);
1734 if ((int) num_bytes != opnd->addr.offset.imm)
1736 set_other_error (mismatch_detail, idx,
1737 _("invalid post-increment amount"));
1743 case AARCH64_OPND_ADDR_REGOFF:
1744 /* Get the size of the data element that is accessed, which may be
1745 different from that of the source register size,
1746 e.g. in strb/ldrb. */
1747 size = aarch64_get_qualifier_esize (opnd->qualifier);
1748 /* It is either no shift or shift by the binary logarithm of SIZE. */
1749 if (opnd->shifter.amount != 0
1750 && opnd->shifter.amount != (int)get_logsz (size))
1752 set_other_error (mismatch_detail, idx,
1753 _("invalid shift amount"));
1756 /* Only UXTW, LSL, SXTW and SXTX are the accepted extending
1758 switch (opnd->shifter.kind)
1760 case AARCH64_MOD_UXTW:
1761 case AARCH64_MOD_LSL:
1762 case AARCH64_MOD_SXTW:
1763 case AARCH64_MOD_SXTX: break;
1765 set_other_error (mismatch_detail, idx,
1766 _("invalid extend/shift operator"));
1771 case AARCH64_OPND_ADDR_UIMM12:
1772 imm = opnd->addr.offset.imm;
1773 /* Get the size of the data element that is accessed, which may be
1774 different from that of the source register size,
1775 e.g. in strb/ldrb. */
1776 size = aarch64_get_qualifier_esize (qualifier);
1777 if (!value_in_range_p (opnd->addr.offset.imm, 0, 4095 * size))
1779 set_offset_out_of_range_error (mismatch_detail, idx,
1783 if (!value_aligned_p (opnd->addr.offset.imm, size))
1785 set_unaligned_error (mismatch_detail, idx, size);
1790 case AARCH64_OPND_ADDR_PCREL14:
1791 case AARCH64_OPND_ADDR_PCREL19:
1792 case AARCH64_OPND_ADDR_PCREL21:
1793 case AARCH64_OPND_ADDR_PCREL26:
1794 imm = opnd->imm.value;
1795 if (operand_need_shift_by_two (get_operand_from_code (type)))
1797 /* The offset value in a PC-relative branch instruction is alway
1798 4-byte aligned and is encoded without the lowest 2 bits. */
1799 if (!value_aligned_p (imm, 4))
1801 set_unaligned_error (mismatch_detail, idx, 4);
1804 /* Right shift by 2 so that we can carry out the following check
1808 size = get_operand_fields_width (get_operand_from_code (type));
1809 if (!value_fit_signed_field_p (imm, size))
1811 set_other_error (mismatch_detail, idx,
1812 _("immediate out of range"));
1817 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
1818 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
1819 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
1820 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
1824 assert (!opnd->addr.offset.is_reg);
1825 assert (opnd->addr.preind);
1826 num = 1 + get_operand_specific_data (&aarch64_operands[type]);
1829 if ((opnd->addr.offset.imm != 0 && !opnd->shifter.operator_present)
1830 || (opnd->shifter.operator_present
1831 && opnd->shifter.kind != AARCH64_MOD_MUL_VL))
1833 set_other_error (mismatch_detail, idx,
1834 _("invalid addressing mode"));
1837 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1839 set_offset_out_of_range_error (mismatch_detail, idx,
1840 min_value, max_value);
1843 if (!value_aligned_p (opnd->addr.offset.imm, num))
1845 set_unaligned_error (mismatch_detail, idx, num);
1850 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
1853 goto sve_imm_offset_vl;
1855 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
1858 goto sve_imm_offset_vl;
1860 case AARCH64_OPND_SVE_ADDR_RI_U6:
1861 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
1862 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
1863 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
1867 assert (!opnd->addr.offset.is_reg);
1868 assert (opnd->addr.preind);
1869 num = 1 << get_operand_specific_data (&aarch64_operands[type]);
1872 if (opnd->shifter.operator_present
1873 || opnd->shifter.amount_present)
1875 set_other_error (mismatch_detail, idx,
1876 _("invalid addressing mode"));
1879 if (!value_in_range_p (opnd->addr.offset.imm, min_value, max_value))
1881 set_offset_out_of_range_error (mismatch_detail, idx,
1882 min_value, max_value);
1885 if (!value_aligned_p (opnd->addr.offset.imm, num))
1887 set_unaligned_error (mismatch_detail, idx, num);
1892 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
1895 goto sve_imm_offset;
1897 case AARCH64_OPND_SVE_ADDR_R:
1898 case AARCH64_OPND_SVE_ADDR_RR:
1899 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
1900 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
1901 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
1902 case AARCH64_OPND_SVE_ADDR_RX:
1903 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
1904 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
1905 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
1906 case AARCH64_OPND_SVE_ADDR_RZ:
1907 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
1908 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
1909 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
1910 modifiers = 1 << AARCH64_MOD_LSL;
1912 assert (opnd->addr.offset.is_reg);
1913 assert (opnd->addr.preind);
1914 if ((aarch64_operands[type].flags & OPD_F_NO_ZR) != 0
1915 && opnd->addr.offset.regno == 31)
1917 set_other_error (mismatch_detail, idx,
1918 _("index register xzr is not allowed"));
1921 if (((1 << opnd->shifter.kind) & modifiers) == 0
1922 || (opnd->shifter.amount
1923 != get_operand_specific_data (&aarch64_operands[type])))
1925 set_other_error (mismatch_detail, idx,
1926 _("invalid addressing mode"));
1931 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
1932 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
1933 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
1934 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
1935 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
1936 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
1937 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
1938 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
1939 modifiers = (1 << AARCH64_MOD_SXTW) | (1 << AARCH64_MOD_UXTW);
1940 goto sve_rr_operand;
1942 case AARCH64_OPND_SVE_ADDR_ZI_U5:
1943 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
1944 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
1945 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
1948 goto sve_imm_offset;
1950 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
1951 modifiers = 1 << AARCH64_MOD_LSL;
1953 assert (opnd->addr.offset.is_reg);
1954 assert (opnd->addr.preind);
1955 if (((1 << opnd->shifter.kind) & modifiers) == 0
1956 || opnd->shifter.amount < 0
1957 || opnd->shifter.amount > 3)
1959 set_other_error (mismatch_detail, idx,
1960 _("invalid addressing mode"));
1965 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
1966 modifiers = (1 << AARCH64_MOD_SXTW);
1967 goto sve_zz_operand;
1969 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
1970 modifiers = 1 << AARCH64_MOD_UXTW;
1971 goto sve_zz_operand;
1978 case AARCH64_OPND_CLASS_SIMD_REGLIST:
1979 if (type == AARCH64_OPND_LEt)
1981 /* Get the upper bound for the element index. */
1982 num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
1983 if (!value_in_range_p (opnd->reglist.index, 0, num))
1985 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
1989 /* The opcode dependent area stores the number of elements in
1990 each structure to be loaded/stored. */
1991 num = get_opcode_dependent_value (opcode);
1994 case AARCH64_OPND_LVt:
1995 assert (num >= 1 && num <= 4);
1996 /* Unless LD1/ST1, the number of registers should be equal to that
1997 of the structure elements. */
1998 if (num != 1 && opnd->reglist.num_regs != num)
2000 set_reg_list_error (mismatch_detail, idx, num);
2004 case AARCH64_OPND_LVt_AL:
2005 case AARCH64_OPND_LEt:
2006 assert (num >= 1 && num <= 4);
2007 /* The number of registers should be equal to that of the structure
2009 if (opnd->reglist.num_regs != num)
2011 set_reg_list_error (mismatch_detail, idx, num);
2020 case AARCH64_OPND_CLASS_IMMEDIATE:
2021 /* Constraint check on immediate operand. */
2022 imm = opnd->imm.value;
2023 /* E.g. imm_0_31 constrains value to be 0..31. */
2024 if (qualifier_value_in_range_constraint_p (qualifier)
2025 && !value_in_range_p (imm, get_lower_bound (qualifier),
2026 get_upper_bound (qualifier)))
2028 set_imm_out_of_range_error (mismatch_detail, idx,
2029 get_lower_bound (qualifier),
2030 get_upper_bound (qualifier));
2036 case AARCH64_OPND_AIMM:
2037 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2039 set_other_error (mismatch_detail, idx,
2040 _("invalid shift operator"));
2043 if (opnd->shifter.amount != 0 && opnd->shifter.amount != 12)
2045 set_other_error (mismatch_detail, idx,
2046 _("shift amount must be 0 or 12"));
2049 if (!value_fit_unsigned_field_p (opnd->imm.value, 12))
2051 set_other_error (mismatch_detail, idx,
2052 _("immediate out of range"));
2057 case AARCH64_OPND_HALF:
2058 assert (idx == 1 && opnds[0].type == AARCH64_OPND_Rd);
2059 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2061 set_other_error (mismatch_detail, idx,
2062 _("invalid shift operator"));
2065 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2066 if (!value_aligned_p (opnd->shifter.amount, 16))
2068 set_other_error (mismatch_detail, idx,
2069 _("shift amount must be a multiple of 16"));
2072 if (!value_in_range_p (opnd->shifter.amount, 0, size * 8 - 16))
2074 set_sft_amount_out_of_range_error (mismatch_detail, idx,
2078 if (opnd->imm.value < 0)
2080 set_other_error (mismatch_detail, idx,
2081 _("negative immediate value not allowed"));
2084 if (!value_fit_unsigned_field_p (opnd->imm.value, 16))
2086 set_other_error (mismatch_detail, idx,
2087 _("immediate out of range"));
2092 case AARCH64_OPND_IMM_MOV:
2094 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2095 imm = opnd->imm.value;
2099 case OP_MOV_IMM_WIDEN:
2102 case OP_MOV_IMM_WIDE:
2103 if (!aarch64_wide_constant_p (imm, esize == 4, NULL))
2105 set_other_error (mismatch_detail, idx,
2106 _("immediate out of range"));
2110 case OP_MOV_IMM_LOG:
2111 if (!aarch64_logical_immediate_p (imm, esize, NULL))
2113 set_other_error (mismatch_detail, idx,
2114 _("immediate out of range"));
2125 case AARCH64_OPND_NZCV:
2126 case AARCH64_OPND_CCMP_IMM:
2127 case AARCH64_OPND_EXCEPTION:
2128 case AARCH64_OPND_UIMM4:
2129 case AARCH64_OPND_UIMM4_ADDG:
2130 case AARCH64_OPND_UIMM7:
2131 case AARCH64_OPND_UIMM3_OP1:
2132 case AARCH64_OPND_UIMM3_OP2:
2133 case AARCH64_OPND_SVE_UIMM3:
2134 case AARCH64_OPND_SVE_UIMM7:
2135 case AARCH64_OPND_SVE_UIMM8:
2136 case AARCH64_OPND_SVE_UIMM8_53:
2137 size = get_operand_fields_width (get_operand_from_code (type));
2139 if (!value_fit_unsigned_field_p (opnd->imm.value, size))
2141 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2147 case AARCH64_OPND_UIMM10:
2148 /* Scaled unsigned 10 bits immediate offset. */
2149 if (!value_in_range_p (opnd->imm.value, 0, 1008))
2151 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1008);
2155 if (!value_aligned_p (opnd->imm.value, 16))
2157 set_unaligned_error (mismatch_detail, idx, 16);
2162 case AARCH64_OPND_SIMM5:
2163 case AARCH64_OPND_SVE_SIMM5:
2164 case AARCH64_OPND_SVE_SIMM5B:
2165 case AARCH64_OPND_SVE_SIMM6:
2166 case AARCH64_OPND_SVE_SIMM8:
2167 size = get_operand_fields_width (get_operand_from_code (type));
2169 if (!value_fit_signed_field_p (opnd->imm.value, size))
2171 set_imm_out_of_range_error (mismatch_detail, idx,
2173 (1 << (size - 1)) - 1);
2178 case AARCH64_OPND_WIDTH:
2179 assert (idx > 1 && opnds[idx-1].type == AARCH64_OPND_IMM
2180 && opnds[0].type == AARCH64_OPND_Rd);
2181 size = get_upper_bound (qualifier);
2182 if (opnd->imm.value + opnds[idx-1].imm.value > size)
2183 /* lsb+width <= reg.size */
2185 set_imm_out_of_range_error (mismatch_detail, idx, 1,
2186 size - opnds[idx-1].imm.value);
2191 case AARCH64_OPND_LIMM:
2192 case AARCH64_OPND_SVE_LIMM:
2194 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2195 uint64_t uimm = opnd->imm.value;
2196 if (opcode->op == OP_BIC)
2198 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2200 set_other_error (mismatch_detail, idx,
2201 _("immediate out of range"));
2207 case AARCH64_OPND_IMM0:
2208 case AARCH64_OPND_FPIMM0:
2209 if (opnd->imm.value != 0)
2211 set_other_error (mismatch_detail, idx,
2212 _("immediate zero expected"));
2217 case AARCH64_OPND_IMM_ROT1:
2218 case AARCH64_OPND_IMM_ROT2:
2219 case AARCH64_OPND_SVE_IMM_ROT2:
2220 if (opnd->imm.value != 0
2221 && opnd->imm.value != 90
2222 && opnd->imm.value != 180
2223 && opnd->imm.value != 270)
2225 set_other_error (mismatch_detail, idx,
2226 _("rotate expected to be 0, 90, 180 or 270"));
2231 case AARCH64_OPND_IMM_ROT3:
2232 case AARCH64_OPND_SVE_IMM_ROT1:
2233 if (opnd->imm.value != 90 && opnd->imm.value != 270)
2235 set_other_error (mismatch_detail, idx,
2236 _("rotate expected to be 90 or 270"));
2241 case AARCH64_OPND_SHLL_IMM:
2243 size = 8 * aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2244 if (opnd->imm.value != size)
2246 set_other_error (mismatch_detail, idx,
2247 _("invalid shift amount"));
2252 case AARCH64_OPND_IMM_VLSL:
2253 size = aarch64_get_qualifier_esize (qualifier);
2254 if (!value_in_range_p (opnd->imm.value, 0, size * 8 - 1))
2256 set_imm_out_of_range_error (mismatch_detail, idx, 0,
2262 case AARCH64_OPND_IMM_VLSR:
2263 size = aarch64_get_qualifier_esize (qualifier);
2264 if (!value_in_range_p (opnd->imm.value, 1, size * 8))
2266 set_imm_out_of_range_error (mismatch_detail, idx, 1, size * 8);
2271 case AARCH64_OPND_SIMD_IMM:
2272 case AARCH64_OPND_SIMD_IMM_SFT:
2273 /* Qualifier check. */
2276 case AARCH64_OPND_QLF_LSL:
2277 if (opnd->shifter.kind != AARCH64_MOD_LSL)
2279 set_other_error (mismatch_detail, idx,
2280 _("invalid shift operator"));
2284 case AARCH64_OPND_QLF_MSL:
2285 if (opnd->shifter.kind != AARCH64_MOD_MSL)
2287 set_other_error (mismatch_detail, idx,
2288 _("invalid shift operator"));
2292 case AARCH64_OPND_QLF_NIL:
2293 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2295 set_other_error (mismatch_detail, idx,
2296 _("shift is not permitted"));
2304 /* Is the immediate valid? */
2306 if (aarch64_get_qualifier_esize (opnds[0].qualifier) != 8)
2308 /* uimm8 or simm8 */
2309 if (!value_in_range_p (opnd->imm.value, -128, 255))
2311 set_imm_out_of_range_error (mismatch_detail, idx, -128, 255);
2315 else if (aarch64_shrink_expanded_imm8 (opnd->imm.value) < 0)
2318 'aaaaaaaabbbbbbbbccccccccddddddddeeeeeeee
2319 ffffffffgggggggghhhhhhhh'. */
2320 set_other_error (mismatch_detail, idx,
2321 _("invalid value for immediate"));
2324 /* Is the shift amount valid? */
2325 switch (opnd->shifter.kind)
2327 case AARCH64_MOD_LSL:
2328 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2329 if (!value_in_range_p (opnd->shifter.amount, 0, (size - 1) * 8))
2331 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0,
2335 if (!value_aligned_p (opnd->shifter.amount, 8))
2337 set_unaligned_error (mismatch_detail, idx, 8);
2341 case AARCH64_MOD_MSL:
2342 /* Only 8 and 16 are valid shift amount. */
2343 if (opnd->shifter.amount != 8 && opnd->shifter.amount != 16)
2345 set_other_error (mismatch_detail, idx,
2346 _("shift amount must be 0 or 16"));
2351 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2353 set_other_error (mismatch_detail, idx,
2354 _("invalid shift operator"));
2361 case AARCH64_OPND_FPIMM:
2362 case AARCH64_OPND_SIMD_FPIMM:
2363 case AARCH64_OPND_SVE_FPIMM8:
2364 if (opnd->imm.is_fp == 0)
2366 set_other_error (mismatch_detail, idx,
2367 _("floating-point immediate expected"));
2370 /* The value is expected to be an 8-bit floating-point constant with
2371 sign, 3-bit exponent and normalized 4 bits of precision, encoded
2372 in "a:b:c:d:e:f:g:h" or FLD_imm8 (depending on the type of the
2374 if (!value_in_range_p (opnd->imm.value, 0, 255))
2376 set_other_error (mismatch_detail, idx,
2377 _("immediate out of range"));
2380 if (opnd->shifter.kind != AARCH64_MOD_NONE)
2382 set_other_error (mismatch_detail, idx,
2383 _("invalid shift operator"));
2388 case AARCH64_OPND_SVE_AIMM:
2391 assert (opnd->shifter.kind == AARCH64_MOD_LSL);
2392 size = aarch64_get_qualifier_esize (opnds[0].qualifier);
2393 mask = ~((uint64_t) -1 << (size * 4) << (size * 4));
2394 uvalue = opnd->imm.value;
2395 shift = opnd->shifter.amount;
2400 set_other_error (mismatch_detail, idx,
2401 _("no shift amount allowed for"
2402 " 8-bit constants"));
2408 if (shift != 0 && shift != 8)
2410 set_other_error (mismatch_detail, idx,
2411 _("shift amount must be 0 or 8"));
2414 if (shift == 0 && (uvalue & 0xff) == 0)
2417 uvalue = (int64_t) uvalue / 256;
2421 if ((uvalue & mask) != uvalue && (uvalue | ~mask) != uvalue)
2423 set_other_error (mismatch_detail, idx,
2424 _("immediate too big for element size"));
2427 uvalue = (uvalue - min_value) & mask;
2430 set_other_error (mismatch_detail, idx,
2431 _("invalid arithmetic immediate"));
2436 case AARCH64_OPND_SVE_ASIMM:
2440 case AARCH64_OPND_SVE_I1_HALF_ONE:
2441 assert (opnd->imm.is_fp);
2442 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x3f800000)
2444 set_other_error (mismatch_detail, idx,
2445 _("floating-point value must be 0.5 or 1.0"));
2450 case AARCH64_OPND_SVE_I1_HALF_TWO:
2451 assert (opnd->imm.is_fp);
2452 if (opnd->imm.value != 0x3f000000 && opnd->imm.value != 0x40000000)
2454 set_other_error (mismatch_detail, idx,
2455 _("floating-point value must be 0.5 or 2.0"));
2460 case AARCH64_OPND_SVE_I1_ZERO_ONE:
2461 assert (opnd->imm.is_fp);
2462 if (opnd->imm.value != 0 && opnd->imm.value != 0x3f800000)
2464 set_other_error (mismatch_detail, idx,
2465 _("floating-point value must be 0.0 or 1.0"));
2470 case AARCH64_OPND_SVE_INV_LIMM:
2472 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2473 uint64_t uimm = ~opnd->imm.value;
2474 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2476 set_other_error (mismatch_detail, idx,
2477 _("immediate out of range"));
2483 case AARCH64_OPND_SVE_LIMM_MOV:
2485 int esize = aarch64_get_qualifier_esize (opnds[0].qualifier);
2486 uint64_t uimm = opnd->imm.value;
2487 if (!aarch64_logical_immediate_p (uimm, esize, NULL))
2489 set_other_error (mismatch_detail, idx,
2490 _("immediate out of range"));
2493 if (!aarch64_sve_dupm_mov_immediate_p (uimm, esize))
2495 set_other_error (mismatch_detail, idx,
2496 _("invalid replicated MOV immediate"));
2502 case AARCH64_OPND_SVE_PATTERN_SCALED:
2503 assert (opnd->shifter.kind == AARCH64_MOD_MUL);
2504 if (!value_in_range_p (opnd->shifter.amount, 1, 16))
2506 set_multiplier_out_of_range_error (mismatch_detail, idx, 1, 16);
2511 case AARCH64_OPND_SVE_SHLIMM_PRED:
2512 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
2513 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2514 if (!value_in_range_p (opnd->imm.value, 0, 8 * size - 1))
2516 set_imm_out_of_range_error (mismatch_detail, idx,
2522 case AARCH64_OPND_SVE_SHRIMM_PRED:
2523 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
2524 size = aarch64_get_qualifier_esize (opnds[idx - 1].qualifier);
2525 if (!value_in_range_p (opnd->imm.value, 1, 8 * size))
2527 set_imm_out_of_range_error (mismatch_detail, idx, 1, 8 * size);
2537 case AARCH64_OPND_CLASS_SYSTEM:
2540 case AARCH64_OPND_PSTATEFIELD:
2541 assert (idx == 0 && opnds[1].type == AARCH64_OPND_UIMM4);
2545 The immediate must be #0 or #1. */
2546 if ((opnd->pstatefield == 0x03 /* UAO. */
2547 || opnd->pstatefield == 0x04 /* PAN. */
2548 || opnd->pstatefield == 0x19 /* SSBS. */
2549 || opnd->pstatefield == 0x1a) /* DIT. */
2550 && opnds[1].imm.value > 1)
2552 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2555 /* MSR SPSel, #uimm4
2556 Uses uimm4 as a control value to select the stack pointer: if
2557 bit 0 is set it selects the current exception level's stack
2558 pointer, if bit 0 is clear it selects shared EL0 stack pointer.
2559 Bits 1 to 3 of uimm4 are reserved and should be zero. */
2560 if (opnd->pstatefield == 0x05 /* spsel */ && opnds[1].imm.value > 1)
2562 set_imm_out_of_range_error (mismatch_detail, idx, 0, 1);
2571 case AARCH64_OPND_CLASS_SIMD_ELEMENT:
2572 /* Get the upper bound for the element index. */
2573 if (opcode->op == OP_FCMLA_ELEM)
2574 /* FCMLA index range depends on the vector size of other operands
2575 and is halfed because complex numbers take two elements. */
2576 num = aarch64_get_qualifier_nelem (opnds[0].qualifier)
2577 * aarch64_get_qualifier_esize (opnds[0].qualifier) / 2;
2580 num = num / aarch64_get_qualifier_esize (qualifier) - 1;
2581 assert (aarch64_get_qualifier_nelem (qualifier) == 1);
2583 /* Index out-of-range. */
2584 if (!value_in_range_p (opnd->reglane.index, 0, num))
2586 set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
2589 /* SMLAL<Q> <Vd>.<Ta>, <Vn>.<Tb>, <Vm>.<Ts>[<index>].
2590 <Vm> Is the vector register (V0-V31) or (V0-V15), whose
2591 number is encoded in "size:M:Rm":
2597 if (type == AARCH64_OPND_Em16 && qualifier == AARCH64_OPND_QLF_S_H
2598 && !value_in_range_p (opnd->reglane.regno, 0, 15))
2600 set_regno_out_of_range_error (mismatch_detail, idx, 0, 15);
2605 case AARCH64_OPND_CLASS_MODIFIED_REG:
2606 assert (idx == 1 || idx == 2);
2609 case AARCH64_OPND_Rm_EXT:
2610 if (!aarch64_extend_operator_p (opnd->shifter.kind)
2611 && opnd->shifter.kind != AARCH64_MOD_LSL)
2613 set_other_error (mismatch_detail, idx,
2614 _("extend operator expected"));
2617 /* It is not optional unless at least one of "Rd" or "Rn" is '11111'
2618 (i.e. SP), in which case it defaults to LSL. The LSL alias is
2619 only valid when "Rd" or "Rn" is '11111', and is preferred in that
2621 if (!aarch64_stack_pointer_p (opnds + 0)
2622 && (idx != 2 || !aarch64_stack_pointer_p (opnds + 1)))
2624 if (!opnd->shifter.operator_present)
2626 set_other_error (mismatch_detail, idx,
2627 _("missing extend operator"));
2630 else if (opnd->shifter.kind == AARCH64_MOD_LSL)
2632 set_other_error (mismatch_detail, idx,
2633 _("'LSL' operator not allowed"));
2637 assert (opnd->shifter.operator_present /* Default to LSL. */
2638 || opnd->shifter.kind == AARCH64_MOD_LSL);
2639 if (!value_in_range_p (opnd->shifter.amount, 0, 4))
2641 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, 4);
2644 /* In the 64-bit form, the final register operand is written as Wm
2645 for all but the (possibly omitted) UXTX/LSL and SXTX
2647 N.B. GAS allows X register to be used with any operator as a
2648 programming convenience. */
2649 if (qualifier == AARCH64_OPND_QLF_X
2650 && opnd->shifter.kind != AARCH64_MOD_LSL
2651 && opnd->shifter.kind != AARCH64_MOD_UXTX
2652 && opnd->shifter.kind != AARCH64_MOD_SXTX)
2654 set_other_error (mismatch_detail, idx, _("W register expected"));
2659 case AARCH64_OPND_Rm_SFT:
2660 /* ROR is not available to the shifted register operand in
2661 arithmetic instructions. */
2662 if (!aarch64_shift_operator_p (opnd->shifter.kind))
2664 set_other_error (mismatch_detail, idx,
2665 _("shift operator expected"));
2668 if (opnd->shifter.kind == AARCH64_MOD_ROR
2669 && opcode->iclass != log_shift)
2671 set_other_error (mismatch_detail, idx,
2672 _("'ROR' operator not allowed"));
2675 num = qualifier == AARCH64_OPND_QLF_W ? 31 : 63;
2676 if (!value_in_range_p (opnd->shifter.amount, 0, num))
2678 set_sft_amount_out_of_range_error (mismatch_detail, idx, 0, num);
2695 /* Main entrypoint for the operand constraint checking.
2697 Return 1 if operands of *INST meet the constraint applied by the operand
2698 codes and operand qualifiers; otherwise return 0 and if MISMATCH_DETAIL is
2699 not NULL, return the detail of the error in *MISMATCH_DETAIL. N.B. when
2700 adding more constraint checking, make sure MISMATCH_DETAIL->KIND is set
2701 with a proper error kind rather than AARCH64_OPDE_NIL (GAS asserts non-NIL
2702 error kind when it is notified that an instruction does not pass the check).
2704 Un-determined operand qualifiers may get established during the process. */
2707 aarch64_match_operands_constraint (aarch64_inst *inst,
2708 aarch64_operand_error *mismatch_detail)
2712 DEBUG_TRACE ("enter");
2714 /* Check for cases where a source register needs to be the same as the
2715 destination register. Do this before matching qualifiers since if
2716 an instruction has both invalid tying and invalid qualifiers,
2717 the error about qualifiers would suggest several alternative
2718 instructions that also have invalid tying. */
2719 i = inst->opcode->tied_operand;
2720 if (i > 0 && (inst->operands[0].reg.regno != inst->operands[i].reg.regno))
2722 if (mismatch_detail)
2724 mismatch_detail->kind = AARCH64_OPDE_UNTIED_OPERAND;
2725 mismatch_detail->index = i;
2726 mismatch_detail->error = NULL;
2731 /* Match operands' qualifier.
2732 *INST has already had qualifier establish for some, if not all, of
2733 its operands; we need to find out whether these established
2734 qualifiers match one of the qualifier sequence in
2735 INST->OPCODE->QUALIFIERS_LIST. If yes, we will assign each operand
2736 with the corresponding qualifier in such a sequence.
2737 Only basic operand constraint checking is done here; the more thorough
2738 constraint checking will carried out by operand_general_constraint_met_p,
2739 which has be to called after this in order to get all of the operands'
2740 qualifiers established. */
2741 if (match_operands_qualifier (inst, TRUE /* update_p */) == 0)
2743 DEBUG_TRACE ("FAIL on operand qualifier matching");
2744 if (mismatch_detail)
2746 /* Return an error type to indicate that it is the qualifier
2747 matching failure; we don't care about which operand as there
2748 are enough information in the opcode table to reproduce it. */
2749 mismatch_detail->kind = AARCH64_OPDE_INVALID_VARIANT;
2750 mismatch_detail->index = -1;
2751 mismatch_detail->error = NULL;
2756 /* Match operands' constraint. */
2757 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2759 enum aarch64_opnd type = inst->opcode->operands[i];
2760 if (type == AARCH64_OPND_NIL)
2762 if (inst->operands[i].skip)
2764 DEBUG_TRACE ("skip the incomplete operand %d", i);
2767 if (operand_general_constraint_met_p (inst->operands, i, type,
2768 inst->opcode, mismatch_detail) == 0)
2770 DEBUG_TRACE ("FAIL on operand %d", i);
2775 DEBUG_TRACE ("PASS");
2780 /* Replace INST->OPCODE with OPCODE and return the replaced OPCODE.
2781 Also updates the TYPE of each INST->OPERANDS with the corresponding
2782 value of OPCODE->OPERANDS.
2784 Note that some operand qualifiers may need to be manually cleared by
2785 the caller before it further calls the aarch64_opcode_encode; by
2786 doing this, it helps the qualifier matching facilities work
2789 const aarch64_opcode*
2790 aarch64_replace_opcode (aarch64_inst *inst, const aarch64_opcode *opcode)
2793 const aarch64_opcode *old = inst->opcode;
2795 inst->opcode = opcode;
2797 /* Update the operand types. */
2798 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2800 inst->operands[i].type = opcode->operands[i];
2801 if (opcode->operands[i] == AARCH64_OPND_NIL)
2805 DEBUG_TRACE ("replace %s with %s", old->name, opcode->name);
2811 aarch64_operand_index (const enum aarch64_opnd *operands, enum aarch64_opnd operand)
2814 for (i = 0; i < AARCH64_MAX_OPND_NUM; ++i)
2815 if (operands[i] == operand)
2817 else if (operands[i] == AARCH64_OPND_NIL)
2822 /* R0...R30, followed by FOR31. */
2823 #define BANK(R, FOR31) \
2824 { R (0), R (1), R (2), R (3), R (4), R (5), R (6), R (7), \
2825 R (8), R (9), R (10), R (11), R (12), R (13), R (14), R (15), \
2826 R (16), R (17), R (18), R (19), R (20), R (21), R (22), R (23), \
2827 R (24), R (25), R (26), R (27), R (28), R (29), R (30), FOR31 }
2828 /* [0][0] 32-bit integer regs with sp Wn
2829 [0][1] 64-bit integer regs with sp Xn sf=1
2830 [1][0] 32-bit integer regs with #0 Wn
2831 [1][1] 64-bit integer regs with #0 Xn sf=1 */
2832 static const char *int_reg[2][2][32] = {
2833 #define R32(X) "w" #X
2834 #define R64(X) "x" #X
2835 { BANK (R32, "wsp"), BANK (R64, "sp") },
2836 { BANK (R32, "wzr"), BANK (R64, "xzr") }
2841 /* Names of the SVE vector registers, first with .S suffixes,
2842 then with .D suffixes. */
2844 static const char *sve_reg[2][32] = {
2845 #define ZS(X) "z" #X ".s"
2846 #define ZD(X) "z" #X ".d"
2847 BANK (ZS, ZS (31)), BANK (ZD, ZD (31))
2853 /* Return the integer register name.
2854 if SP_REG_P is not 0, R31 is an SP reg, other R31 is the zero reg. */
2856 static inline const char *
2857 get_int_reg_name (int regno, aarch64_opnd_qualifier_t qualifier, int sp_reg_p)
2859 const int has_zr = sp_reg_p ? 0 : 1;
2860 const int is_64 = aarch64_get_qualifier_esize (qualifier) == 4 ? 0 : 1;
2861 return int_reg[has_zr][is_64][regno];
2864 /* Like get_int_reg_name, but IS_64 is always 1. */
2866 static inline const char *
2867 get_64bit_int_reg_name (int regno, int sp_reg_p)
2869 const int has_zr = sp_reg_p ? 0 : 1;
2870 return int_reg[has_zr][1][regno];
2873 /* Get the name of the integer offset register in OPND, using the shift type
2874 to decide whether it's a word or doubleword. */
2876 static inline const char *
2877 get_offset_int_reg_name (const aarch64_opnd_info *opnd)
2879 switch (opnd->shifter.kind)
2881 case AARCH64_MOD_UXTW:
2882 case AARCH64_MOD_SXTW:
2883 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_W, 0);
2885 case AARCH64_MOD_LSL:
2886 case AARCH64_MOD_SXTX:
2887 return get_int_reg_name (opnd->addr.offset.regno, AARCH64_OPND_QLF_X, 0);
2894 /* Get the name of the SVE vector offset register in OPND, using the operand
2895 qualifier to decide whether the suffix should be .S or .D. */
2897 static inline const char *
2898 get_addr_sve_reg_name (int regno, aarch64_opnd_qualifier_t qualifier)
2900 assert (qualifier == AARCH64_OPND_QLF_S_S
2901 || qualifier == AARCH64_OPND_QLF_S_D);
2902 return sve_reg[qualifier == AARCH64_OPND_QLF_S_D][regno];
2905 /* Types for expanding an encoded 8-bit value to a floating-point value. */
2925 /* IMM8 is an 8-bit floating-point constant with sign, 3-bit exponent and
2926 normalized 4 bits of precision, encoded in "a:b:c:d:e:f:g:h" or FLD_imm8
2927 (depending on the type of the instruction). IMM8 will be expanded to a
2928 single-precision floating-point value (SIZE == 4) or a double-precision
2929 floating-point value (SIZE == 8). A half-precision floating-point value
2930 (SIZE == 2) is expanded to a single-precision floating-point value. The
2931 expanded value is returned. */
2934 expand_fp_imm (int size, uint32_t imm8)
2937 uint32_t imm8_7, imm8_6_0, imm8_6, imm8_6_repl4;
2939 imm8_7 = (imm8 >> 7) & 0x01; /* imm8<7> */
2940 imm8_6_0 = imm8 & 0x7f; /* imm8<6:0> */
2941 imm8_6 = imm8_6_0 >> 6; /* imm8<6> */
2942 imm8_6_repl4 = (imm8_6 << 3) | (imm8_6 << 2)
2943 | (imm8_6 << 1) | imm8_6; /* Replicate(imm8<6>,4) */
2946 imm = (imm8_7 << (63-32)) /* imm8<7> */
2947 | ((imm8_6 ^ 1) << (62-32)) /* NOT(imm8<6) */
2948 | (imm8_6_repl4 << (58-32)) | (imm8_6 << (57-32))
2949 | (imm8_6 << (56-32)) | (imm8_6 << (55-32)) /* Replicate(imm8<6>,7) */
2950 | (imm8_6_0 << (48-32)); /* imm8<6>:imm8<5:0> */
2953 else if (size == 4 || size == 2)
2955 imm = (imm8_7 << 31) /* imm8<7> */
2956 | ((imm8_6 ^ 1) << 30) /* NOT(imm8<6>) */
2957 | (imm8_6_repl4 << 26) /* Replicate(imm8<6>,4) */
2958 | (imm8_6_0 << 19); /* imm8<6>:imm8<5:0> */
2962 /* An unsupported size. */
2969 /* Produce the string representation of the register list operand *OPND
2970 in the buffer pointed by BUF of size SIZE. PREFIX is the part of
2971 the register name that comes before the register number, such as "v". */
2973 print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd,
2976 const int num_regs = opnd->reglist.num_regs;
2977 const int first_reg = opnd->reglist.first_regno;
2978 const int last_reg = (first_reg + num_regs - 1) & 0x1f;
2979 const char *qlf_name = aarch64_get_qualifier_name (opnd->qualifier);
2980 char tb[8]; /* Temporary buffer. */
2982 assert (opnd->type != AARCH64_OPND_LEt || opnd->reglist.has_index);
2983 assert (num_regs >= 1 && num_regs <= 4);
2985 /* Prepare the index if any. */
2986 if (opnd->reglist.has_index)
2987 /* PR 21096: The %100 is to silence a warning about possible truncation. */
2988 snprintf (tb, 8, "[%" PRIi64 "]", (opnd->reglist.index % 100));
2992 /* The hyphenated form is preferred for disassembly if there are
2993 more than two registers in the list, and the register numbers
2994 are monotonically increasing in increments of one. */
2995 if (num_regs > 2 && last_reg > first_reg)
2996 snprintf (buf, size, "{%s%d.%s-%s%d.%s}%s", prefix, first_reg, qlf_name,
2997 prefix, last_reg, qlf_name, tb);
3000 const int reg0 = first_reg;
3001 const int reg1 = (first_reg + 1) & 0x1f;
3002 const int reg2 = (first_reg + 2) & 0x1f;
3003 const int reg3 = (first_reg + 3) & 0x1f;
3008 snprintf (buf, size, "{%s%d.%s}%s", prefix, reg0, qlf_name, tb);
3011 snprintf (buf, size, "{%s%d.%s, %s%d.%s}%s", prefix, reg0, qlf_name,
3012 prefix, reg1, qlf_name, tb);
3015 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s}%s",
3016 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3017 prefix, reg2, qlf_name, tb);
3020 snprintf (buf, size, "{%s%d.%s, %s%d.%s, %s%d.%s, %s%d.%s}%s",
3021 prefix, reg0, qlf_name, prefix, reg1, qlf_name,
3022 prefix, reg2, qlf_name, prefix, reg3, qlf_name, tb);
3028 /* Print the register+immediate address in OPND to BUF, which has SIZE
3029 characters. BASE is the name of the base register. */
3032 print_immediate_offset_address (char *buf, size_t size,
3033 const aarch64_opnd_info *opnd,
3036 if (opnd->addr.writeback)
3038 if (opnd->addr.preind)
3039 snprintf (buf, size, "[%s, #%d]!", base, opnd->addr.offset.imm);
3041 snprintf (buf, size, "[%s], #%d", base, opnd->addr.offset.imm);
3045 if (opnd->shifter.operator_present)
3047 assert (opnd->shifter.kind == AARCH64_MOD_MUL_VL);
3048 snprintf (buf, size, "[%s, #%d, mul vl]",
3049 base, opnd->addr.offset.imm);
3051 else if (opnd->addr.offset.imm)
3052 snprintf (buf, size, "[%s, #%d]", base, opnd->addr.offset.imm);
3054 snprintf (buf, size, "[%s]", base);
3058 /* Produce the string representation of the register offset address operand
3059 *OPND in the buffer pointed by BUF of size SIZE. BASE and OFFSET are
3060 the names of the base and offset registers. */
3062 print_register_offset_address (char *buf, size_t size,
3063 const aarch64_opnd_info *opnd,
3064 const char *base, const char *offset)
3066 char tb[16]; /* Temporary buffer. */
3067 bfd_boolean print_extend_p = TRUE;
3068 bfd_boolean print_amount_p = TRUE;
3069 const char *shift_name = aarch64_operand_modifiers[opnd->shifter.kind].name;
3071 if (!opnd->shifter.amount && (opnd->qualifier != AARCH64_OPND_QLF_S_B
3072 || !opnd->shifter.amount_present))
3074 /* Not print the shift/extend amount when the amount is zero and
3075 when it is not the special case of 8-bit load/store instruction. */
3076 print_amount_p = FALSE;
3077 /* Likewise, no need to print the shift operator LSL in such a
3079 if (opnd->shifter.kind == AARCH64_MOD_LSL)
3080 print_extend_p = FALSE;
3083 /* Prepare for the extend/shift. */
3087 snprintf (tb, sizeof (tb), ", %s #%" PRIi64, shift_name,
3088 /* PR 21096: The %100 is to silence a warning about possible truncation. */
3089 (opnd->shifter.amount % 100));
3091 snprintf (tb, sizeof (tb), ", %s", shift_name);
3096 snprintf (buf, size, "[%s, %s%s]", base, offset, tb);
3099 /* Generate the string representation of the operand OPNDS[IDX] for OPCODE
3100 in *BUF. The caller should pass in the maximum size of *BUF in SIZE.
3101 PC, PCREL_P and ADDRESS are used to pass in and return information about
3102 the PC-relative address calculation, where the PC value is passed in
3103 PC. If the operand is pc-relative related, *PCREL_P (if PCREL_P non-NULL)
3104 will return 1 and *ADDRESS (if ADDRESS non-NULL) will return the
3105 calculated address; otherwise, *PCREL_P (if PCREL_P non-NULL) returns 0.
3107 The function serves both the disassembler and the assembler diagnostics
3108 issuer, which is the reason why it lives in this file. */
3111 aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
3112 const aarch64_opcode *opcode,
3113 const aarch64_opnd_info *opnds, int idx, int *pcrel_p,
3114 bfd_vma *address, char** notes)
3116 unsigned int i, num_conds;
3117 const char *name = NULL;
3118 const aarch64_opnd_info *opnd = opnds + idx;
3119 enum aarch64_modifier_kind kind;
3120 uint64_t addr, enum_value;
3128 case AARCH64_OPND_Rd:
3129 case AARCH64_OPND_Rn:
3130 case AARCH64_OPND_Rm:
3131 case AARCH64_OPND_Rt:
3132 case AARCH64_OPND_Rt2:
3133 case AARCH64_OPND_Rs:
3134 case AARCH64_OPND_Ra:
3135 case AARCH64_OPND_Rt_SYS:
3136 case AARCH64_OPND_PAIRREG:
3137 case AARCH64_OPND_SVE_Rm:
3138 /* The optional-ness of <Xt> in e.g. IC <ic_op>{, <Xt>} is determined by
3139 the <ic_op>, therefore we use opnd->present to override the
3140 generic optional-ness information. */
3141 if (opnd->type == AARCH64_OPND_Rt_SYS)
3146 /* Omit the operand, e.g. RET. */
3147 else if (optional_operand_p (opcode, idx)
3149 == get_optional_operand_default_value (opcode)))
3151 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3152 || opnd->qualifier == AARCH64_OPND_QLF_X);
3153 snprintf (buf, size, "%s",
3154 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3157 case AARCH64_OPND_Rd_SP:
3158 case AARCH64_OPND_Rn_SP:
3159 case AARCH64_OPND_SVE_Rn_SP:
3160 case AARCH64_OPND_Rm_SP:
3161 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3162 || opnd->qualifier == AARCH64_OPND_QLF_WSP
3163 || opnd->qualifier == AARCH64_OPND_QLF_X
3164 || opnd->qualifier == AARCH64_OPND_QLF_SP);
3165 snprintf (buf, size, "%s",
3166 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 1));
3169 case AARCH64_OPND_Rm_EXT:
3170 kind = opnd->shifter.kind;
3171 assert (idx == 1 || idx == 2);
3172 if ((aarch64_stack_pointer_p (opnds)
3173 || (idx == 2 && aarch64_stack_pointer_p (opnds + 1)))
3174 && ((opnd->qualifier == AARCH64_OPND_QLF_W
3175 && opnds[0].qualifier == AARCH64_OPND_QLF_W
3176 && kind == AARCH64_MOD_UXTW)
3177 || (opnd->qualifier == AARCH64_OPND_QLF_X
3178 && kind == AARCH64_MOD_UXTX)))
3180 /* 'LSL' is the preferred form in this case. */
3181 kind = AARCH64_MOD_LSL;
3182 if (opnd->shifter.amount == 0)
3184 /* Shifter omitted. */
3185 snprintf (buf, size, "%s",
3186 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3190 if (opnd->shifter.amount)
3191 snprintf (buf, size, "%s, %s #%" PRIi64,
3192 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3193 aarch64_operand_modifiers[kind].name,
3194 opnd->shifter.amount);
3196 snprintf (buf, size, "%s, %s",
3197 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3198 aarch64_operand_modifiers[kind].name);
3201 case AARCH64_OPND_Rm_SFT:
3202 assert (opnd->qualifier == AARCH64_OPND_QLF_W
3203 || opnd->qualifier == AARCH64_OPND_QLF_X);
3204 if (opnd->shifter.amount == 0 && opnd->shifter.kind == AARCH64_MOD_LSL)
3205 snprintf (buf, size, "%s",
3206 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0));
3208 snprintf (buf, size, "%s, %s #%" PRIi64,
3209 get_int_reg_name (opnd->reg.regno, opnd->qualifier, 0),
3210 aarch64_operand_modifiers[opnd->shifter.kind].name,
3211 opnd->shifter.amount);
3214 case AARCH64_OPND_Fd:
3215 case AARCH64_OPND_Fn:
3216 case AARCH64_OPND_Fm:
3217 case AARCH64_OPND_Fa:
3218 case AARCH64_OPND_Ft:
3219 case AARCH64_OPND_Ft2:
3220 case AARCH64_OPND_Sd:
3221 case AARCH64_OPND_Sn:
3222 case AARCH64_OPND_Sm:
3223 case AARCH64_OPND_SVE_VZn:
3224 case AARCH64_OPND_SVE_Vd:
3225 case AARCH64_OPND_SVE_Vm:
3226 case AARCH64_OPND_SVE_Vn:
3227 snprintf (buf, size, "%s%d", aarch64_get_qualifier_name (opnd->qualifier),
3231 case AARCH64_OPND_Va:
3232 case AARCH64_OPND_Vd:
3233 case AARCH64_OPND_Vn:
3234 case AARCH64_OPND_Vm:
3235 snprintf (buf, size, "v%d.%s", opnd->reg.regno,
3236 aarch64_get_qualifier_name (opnd->qualifier));
3239 case AARCH64_OPND_Ed:
3240 case AARCH64_OPND_En:
3241 case AARCH64_OPND_Em:
3242 case AARCH64_OPND_Em16:
3243 case AARCH64_OPND_SM3_IMM2:
3244 snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3245 aarch64_get_qualifier_name (opnd->qualifier),
3246 opnd->reglane.index);
3249 case AARCH64_OPND_VdD1:
3250 case AARCH64_OPND_VnD1:
3251 snprintf (buf, size, "v%d.d[1]", opnd->reg.regno);
3254 case AARCH64_OPND_LVn:
3255 case AARCH64_OPND_LVt:
3256 case AARCH64_OPND_LVt_AL:
3257 case AARCH64_OPND_LEt:
3258 print_register_list (buf, size, opnd, "v");
3261 case AARCH64_OPND_SVE_Pd:
3262 case AARCH64_OPND_SVE_Pg3:
3263 case AARCH64_OPND_SVE_Pg4_5:
3264 case AARCH64_OPND_SVE_Pg4_10:
3265 case AARCH64_OPND_SVE_Pg4_16:
3266 case AARCH64_OPND_SVE_Pm:
3267 case AARCH64_OPND_SVE_Pn:
3268 case AARCH64_OPND_SVE_Pt:
3269 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3270 snprintf (buf, size, "p%d", opnd->reg.regno);
3271 else if (opnd->qualifier == AARCH64_OPND_QLF_P_Z
3272 || opnd->qualifier == AARCH64_OPND_QLF_P_M)
3273 snprintf (buf, size, "p%d/%s", opnd->reg.regno,
3274 aarch64_get_qualifier_name (opnd->qualifier));
3276 snprintf (buf, size, "p%d.%s", opnd->reg.regno,
3277 aarch64_get_qualifier_name (opnd->qualifier));
3280 case AARCH64_OPND_SVE_Za_5:
3281 case AARCH64_OPND_SVE_Za_16:
3282 case AARCH64_OPND_SVE_Zd:
3283 case AARCH64_OPND_SVE_Zm_5:
3284 case AARCH64_OPND_SVE_Zm_16:
3285 case AARCH64_OPND_SVE_Zn:
3286 case AARCH64_OPND_SVE_Zt:
3287 if (opnd->qualifier == AARCH64_OPND_QLF_NIL)
3288 snprintf (buf, size, "z%d", opnd->reg.regno);
3290 snprintf (buf, size, "z%d.%s", opnd->reg.regno,
3291 aarch64_get_qualifier_name (opnd->qualifier));
3294 case AARCH64_OPND_SVE_ZnxN:
3295 case AARCH64_OPND_SVE_ZtxN:
3296 print_register_list (buf, size, opnd, "z");
3299 case AARCH64_OPND_SVE_Zm3_INDEX:
3300 case AARCH64_OPND_SVE_Zm3_22_INDEX:
3301 case AARCH64_OPND_SVE_Zm4_INDEX:
3302 case AARCH64_OPND_SVE_Zn_INDEX:
3303 snprintf (buf, size, "z%d.%s[%" PRIi64 "]", opnd->reglane.regno,
3304 aarch64_get_qualifier_name (opnd->qualifier),
3305 opnd->reglane.index);
3308 case AARCH64_OPND_CRn:
3309 case AARCH64_OPND_CRm:
3310 snprintf (buf, size, "C%" PRIi64, opnd->imm.value);
3313 case AARCH64_OPND_IDX:
3314 case AARCH64_OPND_MASK:
3315 case AARCH64_OPND_IMM:
3316 case AARCH64_OPND_IMM_2:
3317 case AARCH64_OPND_WIDTH:
3318 case AARCH64_OPND_UIMM3_OP1:
3319 case AARCH64_OPND_UIMM3_OP2:
3320 case AARCH64_OPND_BIT_NUM:
3321 case AARCH64_OPND_IMM_VLSL:
3322 case AARCH64_OPND_IMM_VLSR:
3323 case AARCH64_OPND_SHLL_IMM:
3324 case AARCH64_OPND_IMM0:
3325 case AARCH64_OPND_IMMR:
3326 case AARCH64_OPND_IMMS:
3327 case AARCH64_OPND_FBITS:
3328 case AARCH64_OPND_SIMM5:
3329 case AARCH64_OPND_SVE_SHLIMM_PRED:
3330 case AARCH64_OPND_SVE_SHLIMM_UNPRED:
3331 case AARCH64_OPND_SVE_SHRIMM_PRED:
3332 case AARCH64_OPND_SVE_SHRIMM_UNPRED:
3333 case AARCH64_OPND_SVE_SIMM5:
3334 case AARCH64_OPND_SVE_SIMM5B:
3335 case AARCH64_OPND_SVE_SIMM6:
3336 case AARCH64_OPND_SVE_SIMM8:
3337 case AARCH64_OPND_SVE_UIMM3:
3338 case AARCH64_OPND_SVE_UIMM7:
3339 case AARCH64_OPND_SVE_UIMM8:
3340 case AARCH64_OPND_SVE_UIMM8_53:
3341 case AARCH64_OPND_IMM_ROT1:
3342 case AARCH64_OPND_IMM_ROT2:
3343 case AARCH64_OPND_IMM_ROT3:
3344 case AARCH64_OPND_SVE_IMM_ROT1:
3345 case AARCH64_OPND_SVE_IMM_ROT2:
3346 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3349 case AARCH64_OPND_SVE_I1_HALF_ONE:
3350 case AARCH64_OPND_SVE_I1_HALF_TWO:
3351 case AARCH64_OPND_SVE_I1_ZERO_ONE:
3354 c.i = opnd->imm.value;
3355 snprintf (buf, size, "#%.1f", c.f);
3359 case AARCH64_OPND_SVE_PATTERN:
3360 if (optional_operand_p (opcode, idx)
3361 && opnd->imm.value == get_optional_operand_default_value (opcode))
3363 enum_value = opnd->imm.value;
3364 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3365 if (aarch64_sve_pattern_array[enum_value])
3366 snprintf (buf, size, "%s", aarch64_sve_pattern_array[enum_value]);
3368 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3371 case AARCH64_OPND_SVE_PATTERN_SCALED:
3372 if (optional_operand_p (opcode, idx)
3373 && !opnd->shifter.operator_present
3374 && opnd->imm.value == get_optional_operand_default_value (opcode))
3376 enum_value = opnd->imm.value;
3377 assert (enum_value < ARRAY_SIZE (aarch64_sve_pattern_array));
3378 if (aarch64_sve_pattern_array[opnd->imm.value])
3379 snprintf (buf, size, "%s", aarch64_sve_pattern_array[opnd->imm.value]);
3381 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3382 if (opnd->shifter.operator_present)
3384 size_t len = strlen (buf);
3385 snprintf (buf + len, size - len, ", %s #%" PRIi64,
3386 aarch64_operand_modifiers[opnd->shifter.kind].name,
3387 opnd->shifter.amount);
3391 case AARCH64_OPND_SVE_PRFOP:
3392 enum_value = opnd->imm.value;
3393 assert (enum_value < ARRAY_SIZE (aarch64_sve_prfop_array));
3394 if (aarch64_sve_prfop_array[enum_value])
3395 snprintf (buf, size, "%s", aarch64_sve_prfop_array[enum_value]);
3397 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3400 case AARCH64_OPND_IMM_MOV:
3401 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3403 case 4: /* e.g. MOV Wd, #<imm32>. */
3405 int imm32 = opnd->imm.value;
3406 snprintf (buf, size, "#0x%-20x\t// #%d", imm32, imm32);
3409 case 8: /* e.g. MOV Xd, #<imm64>. */
3410 snprintf (buf, size, "#0x%-20" PRIx64 "\t// #%" PRIi64,
3411 opnd->imm.value, opnd->imm.value);
3413 default: assert (0);
3417 case AARCH64_OPND_FPIMM0:
3418 snprintf (buf, size, "#0.0");
3421 case AARCH64_OPND_LIMM:
3422 case AARCH64_OPND_AIMM:
3423 case AARCH64_OPND_HALF:
3424 case AARCH64_OPND_SVE_INV_LIMM:
3425 case AARCH64_OPND_SVE_LIMM:
3426 case AARCH64_OPND_SVE_LIMM_MOV:
3427 if (opnd->shifter.amount)
3428 snprintf (buf, size, "#0x%" PRIx64 ", lsl #%" PRIi64, opnd->imm.value,
3429 opnd->shifter.amount);
3431 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3434 case AARCH64_OPND_SIMD_IMM:
3435 case AARCH64_OPND_SIMD_IMM_SFT:
3436 if ((! opnd->shifter.amount && opnd->shifter.kind == AARCH64_MOD_LSL)
3437 || opnd->shifter.kind == AARCH64_MOD_NONE)
3438 snprintf (buf, size, "#0x%" PRIx64, opnd->imm.value);
3440 snprintf (buf, size, "#0x%" PRIx64 ", %s #%" PRIi64, opnd->imm.value,
3441 aarch64_operand_modifiers[opnd->shifter.kind].name,
3442 opnd->shifter.amount);
3445 case AARCH64_OPND_SVE_AIMM:
3446 case AARCH64_OPND_SVE_ASIMM:
3447 if (opnd->shifter.amount)
3448 snprintf (buf, size, "#%" PRIi64 ", lsl #%" PRIi64, opnd->imm.value,
3449 opnd->shifter.amount);
3451 snprintf (buf, size, "#%" PRIi64, opnd->imm.value);
3454 case AARCH64_OPND_FPIMM:
3455 case AARCH64_OPND_SIMD_FPIMM:
3456 case AARCH64_OPND_SVE_FPIMM8:
3457 switch (aarch64_get_qualifier_esize (opnds[0].qualifier))
3459 case 2: /* e.g. FMOV <Hd>, #<imm>. */
3462 c.i = expand_fp_imm (2, opnd->imm.value);
3463 snprintf (buf, size, "#%.18e", c.f);
3466 case 4: /* e.g. FMOV <Vd>.4S, #<imm>. */
3469 c.i = expand_fp_imm (4, opnd->imm.value);
3470 snprintf (buf, size, "#%.18e", c.f);
3473 case 8: /* e.g. FMOV <Sd>, #<imm>. */
3476 c.i = expand_fp_imm (8, opnd->imm.value);
3477 snprintf (buf, size, "#%.18e", c.d);
3480 default: assert (0);
3484 case AARCH64_OPND_CCMP_IMM:
3485 case AARCH64_OPND_NZCV:
3486 case AARCH64_OPND_EXCEPTION:
3487 case AARCH64_OPND_UIMM4:
3488 case AARCH64_OPND_UIMM4_ADDG:
3489 case AARCH64_OPND_UIMM7:
3490 case AARCH64_OPND_UIMM10:
3491 if (optional_operand_p (opcode, idx) == TRUE
3492 && (opnd->imm.value ==
3493 (int64_t) get_optional_operand_default_value (opcode)))
3494 /* Omit the operand, e.g. DCPS1. */
3496 snprintf (buf, size, "#0x%x", (unsigned int)opnd->imm.value);
3499 case AARCH64_OPND_COND:
3500 case AARCH64_OPND_COND1:
3501 snprintf (buf, size, "%s", opnd->cond->names[0]);
3502 num_conds = ARRAY_SIZE (opnd->cond->names);
3503 for (i = 1; i < num_conds && opnd->cond->names[i]; ++i)
3505 size_t len = strlen (buf);
3507 snprintf (buf + len, size - len, " // %s = %s",
3508 opnd->cond->names[0], opnd->cond->names[i]);
3510 snprintf (buf + len, size - len, ", %s",
3511 opnd->cond->names[i]);
3515 case AARCH64_OPND_ADDR_ADRP:
3516 addr = ((pc + AARCH64_PCREL_OFFSET) & ~(uint64_t)0xfff)
3522 /* This is not necessary during the disassembling, as print_address_func
3523 in the disassemble_info will take care of the printing. But some
3524 other callers may be still interested in getting the string in *STR,
3525 so here we do snprintf regardless. */
3526 snprintf (buf, size, "#0x%" PRIx64, addr);
3529 case AARCH64_OPND_ADDR_PCREL14:
3530 case AARCH64_OPND_ADDR_PCREL19:
3531 case AARCH64_OPND_ADDR_PCREL21:
3532 case AARCH64_OPND_ADDR_PCREL26:
3533 addr = pc + AARCH64_PCREL_OFFSET + opnd->imm.value;
3538 /* This is not necessary during the disassembling, as print_address_func
3539 in the disassemble_info will take care of the printing. But some
3540 other callers may be still interested in getting the string in *STR,
3541 so here we do snprintf regardless. */
3542 snprintf (buf, size, "#0x%" PRIx64, addr);
3545 case AARCH64_OPND_ADDR_SIMPLE:
3546 case AARCH64_OPND_SIMD_ADDR_SIMPLE:
3547 case AARCH64_OPND_SIMD_ADDR_POST:
3548 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3549 if (opnd->type == AARCH64_OPND_SIMD_ADDR_POST)
3551 if (opnd->addr.offset.is_reg)
3552 snprintf (buf, size, "[%s], x%d", name, opnd->addr.offset.regno);
3554 snprintf (buf, size, "[%s], #%d", name, opnd->addr.offset.imm);
3557 snprintf (buf, size, "[%s]", name);
3560 case AARCH64_OPND_ADDR_REGOFF:
3561 case AARCH64_OPND_SVE_ADDR_R:
3562 case AARCH64_OPND_SVE_ADDR_RR:
3563 case AARCH64_OPND_SVE_ADDR_RR_LSL1:
3564 case AARCH64_OPND_SVE_ADDR_RR_LSL2:
3565 case AARCH64_OPND_SVE_ADDR_RR_LSL3:
3566 case AARCH64_OPND_SVE_ADDR_RX:
3567 case AARCH64_OPND_SVE_ADDR_RX_LSL1:
3568 case AARCH64_OPND_SVE_ADDR_RX_LSL2:
3569 case AARCH64_OPND_SVE_ADDR_RX_LSL3:
3570 print_register_offset_address
3571 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3572 get_offset_int_reg_name (opnd));
3575 case AARCH64_OPND_SVE_ADDR_RZ:
3576 case AARCH64_OPND_SVE_ADDR_RZ_LSL1:
3577 case AARCH64_OPND_SVE_ADDR_RZ_LSL2:
3578 case AARCH64_OPND_SVE_ADDR_RZ_LSL3:
3579 case AARCH64_OPND_SVE_ADDR_RZ_XTW_14:
3580 case AARCH64_OPND_SVE_ADDR_RZ_XTW_22:
3581 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_14:
3582 case AARCH64_OPND_SVE_ADDR_RZ_XTW1_22:
3583 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_14:
3584 case AARCH64_OPND_SVE_ADDR_RZ_XTW2_22:
3585 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_14:
3586 case AARCH64_OPND_SVE_ADDR_RZ_XTW3_22:
3587 print_register_offset_address
3588 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1),
3589 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3592 case AARCH64_OPND_ADDR_SIMM7:
3593 case AARCH64_OPND_ADDR_SIMM9:
3594 case AARCH64_OPND_ADDR_SIMM9_2:
3595 case AARCH64_OPND_ADDR_SIMM10:
3596 case AARCH64_OPND_ADDR_SIMM11:
3597 case AARCH64_OPND_ADDR_SIMM13:
3598 case AARCH64_OPND_ADDR_OFFSET:
3599 case AARCH64_OPND_SVE_ADDR_RI_S4x16:
3600 case AARCH64_OPND_SVE_ADDR_RI_S4xVL:
3601 case AARCH64_OPND_SVE_ADDR_RI_S4x2xVL:
3602 case AARCH64_OPND_SVE_ADDR_RI_S4x3xVL:
3603 case AARCH64_OPND_SVE_ADDR_RI_S4x4xVL:
3604 case AARCH64_OPND_SVE_ADDR_RI_S6xVL:
3605 case AARCH64_OPND_SVE_ADDR_RI_S9xVL:
3606 case AARCH64_OPND_SVE_ADDR_RI_U6:
3607 case AARCH64_OPND_SVE_ADDR_RI_U6x2:
3608 case AARCH64_OPND_SVE_ADDR_RI_U6x4:
3609 case AARCH64_OPND_SVE_ADDR_RI_U6x8:
3610 print_immediate_offset_address
3611 (buf, size, opnd, get_64bit_int_reg_name (opnd->addr.base_regno, 1));
3614 case AARCH64_OPND_SVE_ADDR_ZI_U5:
3615 case AARCH64_OPND_SVE_ADDR_ZI_U5x2:
3616 case AARCH64_OPND_SVE_ADDR_ZI_U5x4:
3617 case AARCH64_OPND_SVE_ADDR_ZI_U5x8:
3618 print_immediate_offset_address
3620 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier));
3623 case AARCH64_OPND_SVE_ADDR_ZZ_LSL:
3624 case AARCH64_OPND_SVE_ADDR_ZZ_SXTW:
3625 case AARCH64_OPND_SVE_ADDR_ZZ_UXTW:
3626 print_register_offset_address
3628 get_addr_sve_reg_name (opnd->addr.base_regno, opnd->qualifier),
3629 get_addr_sve_reg_name (opnd->addr.offset.regno, opnd->qualifier));
3632 case AARCH64_OPND_ADDR_UIMM12:
3633 name = get_64bit_int_reg_name (opnd->addr.base_regno, 1);
3634 if (opnd->addr.offset.imm)
3635 snprintf (buf, size, "[%s, #%d]", name, opnd->addr.offset.imm);
3637 snprintf (buf, size, "[%s]", name);
3640 case AARCH64_OPND_SYSREG:
3641 for (i = 0; aarch64_sys_regs[i].name; ++i)
3643 bfd_boolean exact_match
3644 = (aarch64_sys_regs[i].flags & opnd->sysreg.flags)
3645 == opnd->sysreg.flags;
3647 /* Try and find an exact match, But if that fails, return the first
3648 partial match that was found. */
3649 if (aarch64_sys_regs[i].value == opnd->sysreg.value
3650 && ! aarch64_sys_reg_deprecated_p (&aarch64_sys_regs[i])
3651 && (name == NULL || exact_match))
3653 name = aarch64_sys_regs[i].name;
3661 /* If we didn't match exactly, that means the presense of a flag
3662 indicates what we didn't want for this instruction. e.g. If
3663 F_REG_READ is there, that means we were looking for a write
3664 register. See aarch64_ext_sysreg. */
3665 if (aarch64_sys_regs[i].flags & F_REG_WRITE)
3666 *notes = _("reading from a write-only register");
3667 else if (aarch64_sys_regs[i].flags & F_REG_READ)
3668 *notes = _("writing to a read-only register");
3673 snprintf (buf, size, "%s", name);
3676 /* Implementation defined system register. */
3677 unsigned int value = opnd->sysreg.value;
3678 snprintf (buf, size, "s%u_%u_c%u_c%u_%u", (value >> 14) & 0x3,
3679 (value >> 11) & 0x7, (value >> 7) & 0xf, (value >> 3) & 0xf,
3684 case AARCH64_OPND_PSTATEFIELD:
3685 for (i = 0; aarch64_pstatefields[i].name; ++i)
3686 if (aarch64_pstatefields[i].value == opnd->pstatefield)
3688 assert (aarch64_pstatefields[i].name);
3689 snprintf (buf, size, "%s", aarch64_pstatefields[i].name);
3692 case AARCH64_OPND_SYSREG_AT:
3693 case AARCH64_OPND_SYSREG_DC:
3694 case AARCH64_OPND_SYSREG_IC:
3695 case AARCH64_OPND_SYSREG_TLBI:
3696 case AARCH64_OPND_SYSREG_SR:
3697 snprintf (buf, size, "%s", opnd->sysins_op->name);
3700 case AARCH64_OPND_BARRIER:
3701 snprintf (buf, size, "%s", opnd->barrier->name);
3704 case AARCH64_OPND_BARRIER_ISB:
3705 /* Operand can be omitted, e.g. in DCPS1. */
3706 if (! optional_operand_p (opcode, idx)
3707 || (opnd->barrier->value
3708 != get_optional_operand_default_value (opcode)))
3709 snprintf (buf, size, "#0x%x", opnd->barrier->value);
3712 case AARCH64_OPND_PRFOP:
3713 if (opnd->prfop->name != NULL)
3714 snprintf (buf, size, "%s", opnd->prfop->name);
3716 snprintf (buf, size, "#0x%02x", opnd->prfop->value);
3719 case AARCH64_OPND_BARRIER_PSB:
3720 case AARCH64_OPND_BTI_TARGET:
3721 if ((HINT_FLAG (opnd->hint_option->value) & HINT_OPD_F_NOPRINT) == 0)
3722 snprintf (buf, size, "%s", opnd->hint_option->name);
3730 #define CPENC(op0,op1,crn,crm,op2) \
3731 ((((op0) << 19) | ((op1) << 16) | ((crn) << 12) | ((crm) << 8) | ((op2) << 5)) >> 5)
3732 /* for 3.9.3 Instructions for Accessing Special Purpose Registers */
3733 #define CPEN_(op1,crm,op2) CPENC(3,(op1),4,(crm),(op2))
3734 /* for 3.9.10 System Instructions */
3735 #define CPENS(op1,crn,crm,op2) CPENC(1,(op1),(crn),(crm),(op2))
3754 /* TODO there is one more issues need to be resolved
3755 1. handle cpu-implementation-defined system registers. */
3756 const aarch64_sys_reg aarch64_sys_regs [] =
3758 { "spsr_el1", CPEN_(0,C0,0), 0 }, /* = spsr_svc */
3759 { "spsr_el12", CPEN_ (5, C0, 0), F_ARCHEXT },
3760 { "elr_el1", CPEN_(0,C0,1), 0 },
3761 { "elr_el12", CPEN_ (5, C0, 1), F_ARCHEXT },
3762 { "sp_el0", CPEN_(0,C1,0), 0 },
3763 { "spsel", CPEN_(0,C2,0), 0 },
3764 { "daif", CPEN_(3,C2,1), 0 },
3765 { "currentel", CPEN_(0,C2,2), F_REG_READ }, /* RO */
3766 { "pan", CPEN_(0,C2,3), F_ARCHEXT },
3767 { "uao", CPEN_ (0, C2, 4), F_ARCHEXT },
3768 { "nzcv", CPEN_(3,C2,0), 0 },
3769 { "ssbs", CPEN_(3,C2,6), F_ARCHEXT },
3770 { "fpcr", CPEN_(3,C4,0), 0 },
3771 { "fpsr", CPEN_(3,C4,1), 0 },
3772 { "dspsr_el0", CPEN_(3,C5,0), 0 },
3773 { "dlr_el0", CPEN_(3,C5,1), 0 },
3774 { "spsr_el2", CPEN_(4,C0,0), 0 }, /* = spsr_hyp */
3775 { "elr_el2", CPEN_(4,C0,1), 0 },
3776 { "sp_el1", CPEN_(4,C1,0), 0 },
3777 { "spsr_irq", CPEN_(4,C3,0), 0 },
3778 { "spsr_abt", CPEN_(4,C3,1), 0 },
3779 { "spsr_und", CPEN_(4,C3,2), 0 },
3780 { "spsr_fiq", CPEN_(4,C3,3), 0 },
3781 { "spsr_el3", CPEN_(6,C0,0), 0 },
3782 { "elr_el3", CPEN_(6,C0,1), 0 },
3783 { "sp_el2", CPEN_(6,C1,0), 0 },
3784 { "spsr_svc", CPEN_(0,C0,0), F_DEPRECATED }, /* = spsr_el1 */
3785 { "spsr_hyp", CPEN_(4,C0,0), F_DEPRECATED }, /* = spsr_el2 */
3786 { "midr_el1", CPENC(3,0,C0,C0,0), F_REG_READ }, /* RO */
3787 { "ctr_el0", CPENC(3,3,C0,C0,1), F_REG_READ }, /* RO */
3788 { "mpidr_el1", CPENC(3,0,C0,C0,5), F_REG_READ }, /* RO */
3789 { "revidr_el1", CPENC(3,0,C0,C0,6), F_REG_READ }, /* RO */
3790 { "aidr_el1", CPENC(3,1,C0,C0,7), F_REG_READ }, /* RO */
3791 { "dczid_el0", CPENC(3,3,C0,C0,7), F_REG_READ }, /* RO */
3792 { "id_dfr0_el1", CPENC(3,0,C0,C1,2), F_REG_READ }, /* RO */
3793 { "id_pfr0_el1", CPENC(3,0,C0,C1,0), F_REG_READ }, /* RO */
3794 { "id_pfr1_el1", CPENC(3,0,C0,C1,1), F_REG_READ }, /* RO */
3795 { "id_pfr2_el1", CPENC(3,0,C0,C3,4), F_ARCHEXT | F_REG_READ}, /* RO */
3796 { "id_afr0_el1", CPENC(3,0,C0,C1,3), F_REG_READ }, /* RO */
3797 { "id_mmfr0_el1", CPENC(3,0,C0,C1,4), F_REG_READ }, /* RO */
3798 { "id_mmfr1_el1", CPENC(3,0,C0,C1,5), F_REG_READ }, /* RO */
3799 { "id_mmfr2_el1", CPENC(3,0,C0,C1,6), F_REG_READ }, /* RO */
3800 { "id_mmfr3_el1", CPENC(3,0,C0,C1,7), F_REG_READ }, /* RO */
3801 { "id_mmfr4_el1", CPENC(3,0,C0,C2,6), F_REG_READ }, /* RO */
3802 { "id_isar0_el1", CPENC(3,0,C0,C2,0), F_REG_READ }, /* RO */
3803 { "id_isar1_el1", CPENC(3,0,C0,C2,1), F_REG_READ }, /* RO */
3804 { "id_isar2_el1", CPENC(3,0,C0,C2,2), F_REG_READ }, /* RO */
3805 { "id_isar3_el1", CPENC(3,0,C0,C2,3), F_REG_READ }, /* RO */
3806 { "id_isar4_el1", CPENC(3,0,C0,C2,4), F_REG_READ }, /* RO */
3807 { "id_isar5_el1", CPENC(3,0,C0,C2,5), F_REG_READ }, /* RO */
3808 { "mvfr0_el1", CPENC(3,0,C0,C3,0), F_REG_READ }, /* RO */
3809 { "mvfr1_el1", CPENC(3,0,C0,C3,1), F_REG_READ }, /* RO */
3810 { "mvfr2_el1", CPENC(3,0,C0,C3,2), F_REG_READ }, /* RO */
3811 { "ccsidr_el1", CPENC(3,1,C0,C0,0), F_REG_READ }, /* RO */
3812 { "id_aa64pfr0_el1", CPENC(3,0,C0,C4,0), F_REG_READ }, /* RO */
3813 { "id_aa64pfr1_el1", CPENC(3,0,C0,C4,1), F_REG_READ }, /* RO */
3814 { "id_aa64dfr0_el1", CPENC(3,0,C0,C5,0), F_REG_READ }, /* RO */
3815 { "id_aa64dfr1_el1", CPENC(3,0,C0,C5,1), F_REG_READ }, /* RO */
3816 { "id_aa64isar0_el1", CPENC(3,0,C0,C6,0), F_REG_READ }, /* RO */
3817 { "id_aa64isar1_el1", CPENC(3,0,C0,C6,1), F_REG_READ }, /* RO */
3818 { "id_aa64mmfr0_el1", CPENC(3,0,C0,C7,0), F_REG_READ }, /* RO */
3819 { "id_aa64mmfr1_el1", CPENC(3,0,C0,C7,1), F_REG_READ }, /* RO */
3820 { "id_aa64mmfr2_el1", CPENC (3, 0, C0, C7, 2), F_ARCHEXT | F_REG_READ }, /* RO */
3821 { "id_aa64afr0_el1", CPENC(3,0,C0,C5,4), F_REG_READ }, /* RO */
3822 { "id_aa64afr1_el1", CPENC(3,0,C0,C5,5), F_REG_READ }, /* RO */
3823 { "id_aa64zfr0_el1", CPENC (3, 0, C0, C4, 4), F_ARCHEXT | F_REG_READ }, /* RO */
3824 { "clidr_el1", CPENC(3,1,C0,C0,1), F_REG_READ }, /* RO */
3825 { "csselr_el1", CPENC(3,2,C0,C0,0), 0 },
3826 { "vpidr_el2", CPENC(3,4,C0,C0,0), 0 },
3827 { "vmpidr_el2", CPENC(3,4,C0,C0,5), 0 },
3828 { "sctlr_el1", CPENC(3,0,C1,C0,0), 0 },
3829 { "sctlr_el2", CPENC(3,4,C1,C0,0), 0 },
3830 { "sctlr_el3", CPENC(3,6,C1,C0,0), 0 },
3831 { "sctlr_el12", CPENC (3, 5, C1, C0, 0), F_ARCHEXT },
3832 { "actlr_el1", CPENC(3,0,C1,C0,1), 0 },
3833 { "actlr_el2", CPENC(3,4,C1,C0,1), 0 },
3834 { "actlr_el3", CPENC(3,6,C1,C0,1), 0 },
3835 { "cpacr_el1", CPENC(3,0,C1,C0,2), 0 },
3836 { "cpacr_el12", CPENC (3, 5, C1, C0, 2), F_ARCHEXT },
3837 { "cptr_el2", CPENC(3,4,C1,C1,2), 0 },
3838 { "cptr_el3", CPENC(3,6,C1,C1,2), 0 },
3839 { "scr_el3", CPENC(3,6,C1,C1,0), 0 },
3840 { "hcr_el2", CPENC(3,4,C1,C1,0), 0 },
3841 { "mdcr_el2", CPENC(3,4,C1,C1,1), 0 },
3842 { "mdcr_el3", CPENC(3,6,C1,C3,1), 0 },
3843 { "hstr_el2", CPENC(3,4,C1,C1,3), 0 },
3844 { "hacr_el2", CPENC(3,4,C1,C1,7), 0 },
3845 { "zcr_el1", CPENC (3, 0, C1, C2, 0), F_ARCHEXT },
3846 { "zcr_el12", CPENC (3, 5, C1, C2, 0), F_ARCHEXT },
3847 { "zcr_el2", CPENC (3, 4, C1, C2, 0), F_ARCHEXT },
3848 { "zcr_el3", CPENC (3, 6, C1, C2, 0), F_ARCHEXT },
3849 { "zidr_el1", CPENC (3, 0, C0, C0, 7), F_ARCHEXT },
3850 { "ttbr0_el1", CPENC(3,0,C2,C0,0), 0 },
3851 { "ttbr1_el1", CPENC(3,0,C2,C0,1), 0 },
3852 { "ttbr0_el2", CPENC(3,4,C2,C0,0), 0 },
3853 { "ttbr1_el2", CPENC (3, 4, C2, C0, 1), F_ARCHEXT },
3854 { "ttbr0_el3", CPENC(3,6,C2,C0,0), 0 },
3855 { "ttbr0_el12", CPENC (3, 5, C2, C0, 0), F_ARCHEXT },
3856 { "ttbr1_el12", CPENC (3, 5, C2, C0, 1), F_ARCHEXT },
3857 { "vttbr_el2", CPENC(3,4,C2,C1,0), 0 },
3858 { "tcr_el1", CPENC(3,0,C2,C0,2), 0 },
3859 { "tcr_el2", CPENC(3,4,C2,C0,2), 0 },
3860 { "tcr_el3", CPENC(3,6,C2,C0,2), 0 },
3861 { "tcr_el12", CPENC (3, 5, C2, C0, 2), F_ARCHEXT },
3862 { "vtcr_el2", CPENC(3,4,C2,C1,2), 0 },
3863 { "apiakeylo_el1", CPENC (3, 0, C2, C1, 0), F_ARCHEXT },
3864 { "apiakeyhi_el1", CPENC (3, 0, C2, C1, 1), F_ARCHEXT },
3865 { "apibkeylo_el1", CPENC (3, 0, C2, C1, 2), F_ARCHEXT },
3866 { "apibkeyhi_el1", CPENC (3, 0, C2, C1, 3), F_ARCHEXT },
3867 { "apdakeylo_el1", CPENC (3, 0, C2, C2, 0), F_ARCHEXT },
3868 { "apdakeyhi_el1", CPENC (3, 0, C2, C2, 1), F_ARCHEXT },
3869 { "apdbkeylo_el1", CPENC (3, 0, C2, C2, 2), F_ARCHEXT },
3870 { "apdbkeyhi_el1", CPENC (3, 0, C2, C2, 3), F_ARCHEXT },
3871 { "apgakeylo_el1", CPENC (3, 0, C2, C3, 0), F_ARCHEXT },
3872 { "apgakeyhi_el1", CPENC (3, 0, C2, C3, 1), F_ARCHEXT },
3873 { "afsr0_el1", CPENC(3,0,C5,C1,0), 0 },
3874 { "afsr1_el1", CPENC(3,0,C5,C1,1), 0 },
3875 { "afsr0_el2", CPENC(3,4,C5,C1,0), 0 },
3876 { "afsr1_el2", CPENC(3,4,C5,C1,1), 0 },
3877 { "afsr0_el3", CPENC(3,6,C5,C1,0), 0 },
3878 { "afsr0_el12", CPENC (3, 5, C5, C1, 0), F_ARCHEXT },
3879 { "afsr1_el3", CPENC(3,6,C5,C1,1), 0 },
3880 { "afsr1_el12", CPENC (3, 5, C5, C1, 1), F_ARCHEXT },
3881 { "esr_el1", CPENC(3,0,C5,C2,0), 0 },
3882 { "esr_el2", CPENC(3,4,C5,C2,0), 0 },
3883 { "esr_el3", CPENC(3,6,C5,C2,0), 0 },
3884 { "esr_el12", CPENC (3, 5, C5, C2, 0), F_ARCHEXT },
3885 { "vsesr_el2", CPENC (3, 4, C5, C2, 3), F_ARCHEXT },
3886 { "fpexc32_el2", CPENC(3,4,C5,C3,0), 0 },
3887 { "erridr_el1", CPENC (3, 0, C5, C3, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3888 { "errselr_el1", CPENC (3, 0, C5, C3, 1), F_ARCHEXT },
3889 { "erxfr_el1", CPENC (3, 0, C5, C4, 0), F_ARCHEXT | F_REG_READ }, /* RO */
3890 { "erxctlr_el1", CPENC (3, 0, C5, C4, 1), F_ARCHEXT },
3891 { "erxstatus_el1", CPENC (3, 0, C5, C4, 2), F_ARCHEXT },
3892 { "erxaddr_el1", CPENC (3, 0, C5, C4, 3), F_ARCHEXT },
3893 { "erxmisc0_el1", CPENC (3, 0, C5, C5, 0), F_ARCHEXT },
3894 { "erxmisc1_el1", CPENC (3, 0, C5, C5, 1), F_ARCHEXT },
3895 { "far_el1", CPENC(3,0,C6,C0,0), 0 },
3896 { "far_el2", CPENC(3,4,C6,C0,0), 0 },
3897 { "far_el3", CPENC(3,6,C6,C0,0), 0 },
3898 { "far_el12", CPENC (3, 5, C6, C0, 0), F_ARCHEXT },
3899 { "hpfar_el2", CPENC(3,4,C6,C0,4), 0 },
3900 { "par_el1", CPENC(3,0,C7,C4,0), 0 },
3901 { "mair_el1", CPENC(3,0,C10,C2,0), 0 },
3902 { "mair_el2", CPENC(3,4,C10,C2,0), 0 },
3903 { "mair_el3", CPENC(3,6,C10,C2,0), 0 },
3904 { "mair_el12", CPENC (3, 5, C10, C2, 0), F_ARCHEXT },
3905 { "amair_el1", CPENC(3,0,C10,C3,0), 0 },
3906 { "amair_el2", CPENC(3,4,C10,C3,0), 0 },
3907 { "amair_el3", CPENC(3,6,C10,C3,0), 0 },
3908 { "amair_el12", CPENC (3, 5, C10, C3, 0), F_ARCHEXT },
3909 { "vbar_el1", CPENC(3,0,C12,C0,0), 0 },
3910 { "vbar_el2", CPENC(3,4,C12,C0,0), 0 },
3911 { "vbar_el3", CPENC(3,6,C12,C0,0), 0 },
3912 { "vbar_el12", CPENC (3, 5, C12, C0, 0), F_ARCHEXT },
3913 { "rvbar_el1", CPENC(3,0,C12,C0,1), F_REG_READ }, /* RO */
3914 { "rvbar_el2", CPENC(3,4,C12,C0,1), F_REG_READ }, /* RO */
3915 { "rvbar_el3", CPENC(3,6,C12,C0,1), F_REG_READ }, /* RO */
3916 { "rmr_el1", CPENC(3,0,C12,C0,2), 0 },
3917 { "rmr_el2", CPENC(3,4,C12,C0,2), 0 },
3918 { "rmr_el3", CPENC(3,6,C12,C0,2), 0 },
3919 { "isr_el1", CPENC(3,0,C12,C1,0), F_REG_READ }, /* RO */
3920 { "disr_el1", CPENC (3, 0, C12, C1, 1), F_ARCHEXT },
3921 { "vdisr_el2", CPENC (3, 4, C12, C1, 1), F_ARCHEXT },
3922 { "contextidr_el1", CPENC(3,0,C13,C0,1), 0 },
3923 { "contextidr_el2", CPENC (3, 4, C13, C0, 1), F_ARCHEXT },
3924 { "contextidr_el12", CPENC (3, 5, C13, C0, 1), F_ARCHEXT },
3925 { "rndr", CPENC(3,3,C2,C4,0), F_ARCHEXT | F_REG_READ }, /* RO */
3926 { "rndrrs", CPENC(3,3,C2,C4,1), F_ARCHEXT | F_REG_READ }, /* RO */
3927 { "tco", CPENC(3,3,C4,C2,7), F_ARCHEXT },
3928 { "tfsre0_el1", CPENC(3,0,C6,C6,1), F_ARCHEXT },
3929 { "tfsr_el1", CPENC(3,0,C6,C5,0), F_ARCHEXT },
3930 { "tfsr_el2", CPENC(3,4,C6,C5,0), F_ARCHEXT },
3931 { "tfsr_el3", CPENC(3,6,C6,C6,0), F_ARCHEXT },
3932 { "tfsr_el12", CPENC(3,5,C6,C6,0), F_ARCHEXT },
3933 { "rgsr_el1", CPENC(3,0,C1,C0,5), F_ARCHEXT },
3934 { "gcr_el1", CPENC(3,0,C1,C0,6), F_ARCHEXT },
3935 { "tpidr_el0", CPENC(3,3,C13,C0,2), 0 },
3936 { "tpidrro_el0", CPENC(3,3,C13,C0,3), 0 }, /* RW */
3937 { "tpidr_el1", CPENC(3,0,C13,C0,4), 0 },
3938 { "tpidr_el2", CPENC(3,4,C13,C0,2), 0 },
3939 { "tpidr_el3", CPENC(3,6,C13,C0,2), 0 },
3940 { "scxtnum_el0", CPENC(3,3,C13,C0,7), F_ARCHEXT },
3941 { "scxtnum_el1", CPENC(3,0,C13,C0,7), F_ARCHEXT },
3942 { "scxtnum_el2", CPENC(3,4,C13,C0,7), F_ARCHEXT },
3943 { "scxtnum_el12", CPENC(3,5,C13,C0,7), F_ARCHEXT },
3944 { "scxtnum_el3", CPENC(3,6,C13,C0,7), F_ARCHEXT },
3945 { "teecr32_el1", CPENC(2,2,C0, C0,0), 0 }, /* See section 3.9.7.1 */
3946 { "cntfrq_el0", CPENC(3,3,C14,C0,0), 0 }, /* RW */
3947 { "cntpct_el0", CPENC(3,3,C14,C0,1), F_REG_READ }, /* RO */
3948 { "cntvct_el0", CPENC(3,3,C14,C0,2), F_REG_READ }, /* RO */
3949 { "cntvoff_el2", CPENC(3,4,C14,C0,3), 0 },
3950 { "cntkctl_el1", CPENC(3,0,C14,C1,0), 0 },
3951 { "cntkctl_el12", CPENC (3, 5, C14, C1, 0), F_ARCHEXT },
3952 { "cnthctl_el2", CPENC(3,4,C14,C1,0), 0 },
3953 { "cntp_tval_el0", CPENC(3,3,C14,C2,0), 0 },
3954 { "cntp_tval_el02", CPENC (3, 5, C14, C2, 0), F_ARCHEXT },
3955 { "cntp_ctl_el0", CPENC(3,3,C14,C2,1), 0 },
3956 { "cntp_ctl_el02", CPENC (3, 5, C14, C2, 1), F_ARCHEXT },
3957 { "cntp_cval_el0", CPENC(3,3,C14,C2,2), 0 },
3958 { "cntp_cval_el02", CPENC (3, 5, C14, C2, 2), F_ARCHEXT },
3959 { "cntv_tval_el0", CPENC(3,3,C14,C3,0), 0 },
3960 { "cntv_tval_el02", CPENC (3, 5, C14, C3, 0), F_ARCHEXT },
3961 { "cntv_ctl_el0", CPENC(3,3,C14,C3,1), 0 },
3962 { "cntv_ctl_el02", CPENC (3, 5, C14, C3, 1), F_ARCHEXT },
3963 { "cntv_cval_el0", CPENC(3,3,C14,C3,2), 0 },
3964 { "cntv_cval_el02", CPENC (3, 5, C14, C3, 2), F_ARCHEXT },
3965 { "cnthp_tval_el2", CPENC(3,4,C14,C2,0), 0 },
3966 { "cnthp_ctl_el2", CPENC(3,4,C14,C2,1), 0 },
3967 { "cnthp_cval_el2", CPENC(3,4,C14,C2,2), 0 },
3968 { "cntps_tval_el1", CPENC(3,7,C14,C2,0), 0 },
3969 { "cntps_ctl_el1", CPENC(3,7,C14,C2,1), 0 },
3970 { "cntps_cval_el1", CPENC(3,7,C14,C2,2), 0 },
3971 { "cnthv_tval_el2", CPENC (3, 4, C14, C3, 0), F_ARCHEXT },
3972 { "cnthv_ctl_el2", CPENC (3, 4, C14, C3, 1), F_ARCHEXT },
3973 { "cnthv_cval_el2", CPENC (3, 4, C14, C3, 2), F_ARCHEXT },
3974 { "dacr32_el2", CPENC(3,4,C3,C0,0), 0 },
3975 { "ifsr32_el2", CPENC(3,4,C5,C0,1), 0 },
3976 { "teehbr32_el1", CPENC(2,2,C1,C0,0), 0 },
3977 { "sder32_el3", CPENC(3,6,C1,C1,1), 0 },
3978 { "mdscr_el1", CPENC(2,0,C0, C2, 2), 0 },
3979 { "mdccsr_el0", CPENC(2,3,C0, C1, 0), F_REG_READ }, /* r */
3980 { "mdccint_el1", CPENC(2,0,C0, C2, 0), 0 },
3981 { "dbgdtr_el0", CPENC(2,3,C0, C4, 0), 0 },
3982 { "dbgdtrrx_el0", CPENC(2,3,C0, C5, 0), F_REG_READ }, /* r */
3983 { "dbgdtrtx_el0", CPENC(2,3,C0, C5, 0), F_REG_WRITE }, /* w */
3984 { "osdtrrx_el1", CPENC(2,0,C0, C0, 2), 0 },
3985 { "osdtrtx_el1", CPENC(2,0,C0, C3, 2), 0 },
3986 { "oseccr_el1", CPENC(2,0,C0, C6, 2), 0 },
3987 { "dbgvcr32_el2", CPENC(2,4,C0, C7, 0), 0 },
3988 { "dbgbvr0_el1", CPENC(2,0,C0, C0, 4), 0 },
3989 { "dbgbvr1_el1", CPENC(2,0,C0, C1, 4), 0 },
3990 { "dbgbvr2_el1", CPENC(2,0,C0, C2, 4), 0 },
3991 { "dbgbvr3_el1", CPENC(2,0,C0, C3, 4), 0 },
3992 { "dbgbvr4_el1", CPENC(2,0,C0, C4, 4), 0 },
3993 { "dbgbvr5_el1", CPENC(2,0,C0, C5, 4), 0 },
3994 { "dbgbvr6_el1", CPENC(2,0,C0, C6, 4), 0 },
3995 { "dbgbvr7_el1", CPENC(2,0,C0, C7, 4), 0 },
3996 { "dbgbvr8_el1", CPENC(2,0,C0, C8, 4), 0 },
3997 { "dbgbvr9_el1", CPENC(2,0,C0, C9, 4), 0 },
3998 { "dbgbvr10_el1", CPENC(2,0,C0, C10,4), 0 },
3999 { "dbgbvr11_el1", CPENC(2,0,C0, C11,4), 0 },
4000 { "dbgbvr12_el1", CPENC(2,0,C0, C12,4), 0 },
4001 { "dbgbvr13_el1", CPENC(2,0,C0, C13,4), 0 },
4002 { "dbgbvr14_el1", CPENC(2,0,C0, C14,4), 0 },
4003 { "dbgbvr15_el1", CPENC(2,0,C0, C15,4), 0 },
4004 { "dbgbcr0_el1", CPENC(2,0,C0, C0, 5), 0 },
4005 { "dbgbcr1_el1", CPENC(2,0,C0, C1, 5), 0 },
4006 { "dbgbcr2_el1", CPENC(2,0,C0, C2, 5), 0 },
4007 { "dbgbcr3_el1", CPENC(2,0,C0, C3, 5), 0 },
4008 { "dbgbcr4_el1", CPENC(2,0,C0, C4, 5), 0 },
4009 { "dbgbcr5_el1", CPENC(2,0,C0, C5, 5), 0 },
4010 { "dbgbcr6_el1", CPENC(2,0,C0, C6, 5), 0 },
4011 { "dbgbcr7_el1", CPENC(2,0,C0, C7, 5), 0 },
4012 { "dbgbcr8_el1", CPENC(2,0,C0, C8, 5), 0 },
4013 { "dbgbcr9_el1", CPENC(2,0,C0, C9, 5), 0 },
4014 { "dbgbcr10_el1", CPENC(2,0,C0, C10,5), 0 },
4015 { "dbgbcr11_el1", CPENC(2,0,C0, C11,5), 0 },
4016 { "dbgbcr12_el1", CPENC(2,0,C0, C12,5), 0 },
4017 { "dbgbcr13_el1", CPENC(2,0,C0, C13,5), 0 },
4018 { "dbgbcr14_el1", CPENC(2,0,C0, C14,5), 0 },
4019 { "dbgbcr15_el1", CPENC(2,0,C0, C15,5), 0 },
4020 { "dbgwvr0_el1", CPENC(2,0,C0, C0, 6), 0 },
4021 { "dbgwvr1_el1", CPENC(2,0,C0, C1, 6), 0 },
4022 { "dbgwvr2_el1", CPENC(2,0,C0, C2, 6), 0 },
4023 { "dbgwvr3_el1", CPENC(2,0,C0, C3, 6), 0 },
4024 { "dbgwvr4_el1", CPENC(2,0,C0, C4, 6), 0 },
4025 { "dbgwvr5_el1", CPENC(2,0,C0, C5, 6), 0 },
4026 { "dbgwvr6_el1", CPENC(2,0,C0, C6, 6), 0 },
4027 { "dbgwvr7_el1", CPENC(2,0,C0, C7, 6), 0 },
4028 { "dbgwvr8_el1", CPENC(2,0,C0, C8, 6), 0 },
4029 { "dbgwvr9_el1", CPENC(2,0,C0, C9, 6), 0 },
4030 { "dbgwvr10_el1", CPENC(2,0,C0, C10,6), 0 },
4031 { "dbgwvr11_el1", CPENC(2,0,C0, C11,6), 0 },
4032 { "dbgwvr12_el1", CPENC(2,0,C0, C12,6), 0 },
4033 { "dbgwvr13_el1", CPENC(2,0,C0, C13,6), 0 },
4034 { "dbgwvr14_el1", CPENC(2,0,C0, C14,6), 0 },
4035 { "dbgwvr15_el1", CPENC(2,0,C0, C15,6), 0 },
4036 { "dbgwcr0_el1", CPENC(2,0,C0, C0, 7), 0 },
4037 { "dbgwcr1_el1", CPENC(2,0,C0, C1, 7), 0 },
4038 { "dbgwcr2_el1", CPENC(2,0,C0, C2, 7), 0 },
4039 { "dbgwcr3_el1", CPENC(2,0,C0, C3, 7), 0 },
4040 { "dbgwcr4_el1", CPENC(2,0,C0, C4, 7), 0 },
4041 { "dbgwcr5_el1", CPENC(2,0,C0, C5, 7), 0 },
4042 { "dbgwcr6_el1", CPENC(2,0,C0, C6, 7), 0 },
4043 { "dbgwcr7_el1", CPENC(2,0,C0, C7, 7), 0 },
4044 { "dbgwcr8_el1", CPENC(2,0,C0, C8, 7), 0 },
4045 { "dbgwcr9_el1", CPENC(2,0,C0, C9, 7), 0 },
4046 { "dbgwcr10_el1", CPENC(2,0,C0, C10,7), 0 },
4047 { "dbgwcr11_el1", CPENC(2,0,C0, C11,7), 0 },
4048 { "dbgwcr12_el1", CPENC(2,0,C0, C12,7), 0 },
4049 { "dbgwcr13_el1", CPENC(2,0,C0, C13,7), 0 },
4050 { "dbgwcr14_el1", CPENC(2,0,C0, C14,7), 0 },
4051 { "dbgwcr15_el1", CPENC(2,0,C0, C15,7), 0 },
4052 { "mdrar_el1", CPENC(2,0,C1, C0, 0), F_REG_READ }, /* r */
4053 { "oslar_el1", CPENC(2,0,C1, C0, 4), F_REG_WRITE }, /* w */
4054 { "oslsr_el1", CPENC(2,0,C1, C1, 4), F_REG_READ }, /* r */
4055 { "osdlr_el1", CPENC(2,0,C1, C3, 4), 0 },
4056 { "dbgprcr_el1", CPENC(2,0,C1, C4, 4), 0 },
4057 { "dbgclaimset_el1", CPENC(2,0,C7, C8, 6), 0 },
4058 { "dbgclaimclr_el1", CPENC(2,0,C7, C9, 6), 0 },
4059 { "dbgauthstatus_el1", CPENC(2,0,C7, C14,6), F_REG_READ }, /* r */
4060 { "pmblimitr_el1", CPENC (3, 0, C9, C10, 0), F_ARCHEXT }, /* rw */
4061 { "pmbptr_el1", CPENC (3, 0, C9, C10, 1), F_ARCHEXT }, /* rw */
4062 { "pmbsr_el1", CPENC (3, 0, C9, C10, 3), F_ARCHEXT }, /* rw */
4063 { "pmbidr_el1", CPENC (3, 0, C9, C10, 7), F_ARCHEXT | F_REG_READ }, /* ro */
4064 { "pmscr_el1", CPENC (3, 0, C9, C9, 0), F_ARCHEXT }, /* rw */
4065 { "pmsicr_el1", CPENC (3, 0, C9, C9, 2), F_ARCHEXT }, /* rw */
4066 { "pmsirr_el1", CPENC (3, 0, C9, C9, 3), F_ARCHEXT }, /* rw */
4067 { "pmsfcr_el1", CPENC (3, 0, C9, C9, 4), F_ARCHEXT }, /* rw */
4068 { "pmsevfr_el1", CPENC (3, 0, C9, C9, 5), F_ARCHEXT }, /* rw */
4069 { "pmslatfr_el1", CPENC (3, 0, C9, C9, 6), F_ARCHEXT }, /* rw */
4070 { "pmsidr_el1", CPENC (3, 0, C9, C9, 7), F_ARCHEXT }, /* rw */
4071 { "pmscr_el2", CPENC (3, 4, C9, C9, 0), F_ARCHEXT }, /* rw */
4072 { "pmscr_el12", CPENC (3, 5, C9, C9, 0), F_ARCHEXT }, /* rw */
4073 { "pmcr_el0", CPENC(3,3,C9,C12, 0), 0 },
4074 { "pmcntenset_el0", CPENC(3,3,C9,C12, 1), 0 },
4075 { "pmcntenclr_el0", CPENC(3,3,C9,C12, 2), 0 },
4076 { "pmovsclr_el0", CPENC(3,3,C9,C12, 3), 0 },
4077 { "pmswinc_el0", CPENC(3,3,C9,C12, 4), F_REG_WRITE }, /* w */
4078 { "pmselr_el0", CPENC(3,3,C9,C12, 5), 0 },
4079 { "pmceid0_el0", CPENC(3,3,C9,C12, 6), F_REG_READ }, /* r */
4080 { "pmceid1_el0", CPENC(3,3,C9,C12, 7), F_REG_READ }, /* r */
4081 { "pmccntr_el0", CPENC(3,3,C9,C13, 0), 0 },
4082 { "pmxevtyper_el0", CPENC(3,3,C9,C13, 1), 0 },
4083 { "pmxevcntr_el0", CPENC(3,3,C9,C13, 2), 0 },
4084 { "pmuserenr_el0", CPENC(3,3,C9,C14, 0), 0 },
4085 { "pmintenset_el1", CPENC(3,0,C9,C14, 1), 0 },
4086 { "pmintenclr_el1", CPENC(3,0,C9,C14, 2), 0 },
4087 { "pmovsset_el0", CPENC(3,3,C9,C14, 3), 0 },
4088 { "pmevcntr0_el0", CPENC(3,3,C14,C8, 0), 0 },
4089 { "pmevcntr1_el0", CPENC(3,3,C14,C8, 1), 0 },
4090 { "pmevcntr2_el0", CPENC(3,3,C14,C8, 2), 0 },
4091 { "pmevcntr3_el0", CPENC(3,3,C14,C8, 3), 0 },
4092 { "pmevcntr4_el0", CPENC(3,3,C14,C8, 4), 0 },
4093 { "pmevcntr5_el0", CPENC(3,3,C14,C8, 5), 0 },
4094 { "pmevcntr6_el0", CPENC(3,3,C14,C8, 6), 0 },
4095 { "pmevcntr7_el0", CPENC(3,3,C14,C8, 7), 0 },
4096 { "pmevcntr8_el0", CPENC(3,3,C14,C9, 0), 0 },
4097 { "pmevcntr9_el0", CPENC(3,3,C14,C9, 1), 0 },
4098 { "pmevcntr10_el0", CPENC(3,3,C14,C9, 2), 0 },
4099 { "pmevcntr11_el0", CPENC(3,3,C14,C9, 3), 0 },
4100 { "pmevcntr12_el0", CPENC(3,3,C14,C9, 4), 0 },
4101 { "pmevcntr13_el0", CPENC(3,3,C14,C9, 5), 0 },
4102 { "pmevcntr14_el0", CPENC(3,3,C14,C9, 6), 0 },
4103 { "pmevcntr15_el0", CPENC(3,3,C14,C9, 7), 0 },
4104 { "pmevcntr16_el0", CPENC(3,3,C14,C10,0), 0 },
4105 { "pmevcntr17_el0", CPENC(3,3,C14,C10,1), 0 },
4106 { "pmevcntr18_el0", CPENC(3,3,C14,C10,2), 0 },
4107 { "pmevcntr19_el0", CPENC(3,3,C14,C10,3), 0 },
4108 { "pmevcntr20_el0", CPENC(3,3,C14,C10,4), 0 },
4109 { "pmevcntr21_el0", CPENC(3,3,C14,C10,5), 0 },
4110 { "pmevcntr22_el0", CPENC(3,3,C14,C10,6), 0 },
4111 { "pmevcntr23_el0", CPENC(3,3,C14,C10,7), 0 },
4112 { "pmevcntr24_el0", CPENC(3,3,C14,C11,0), 0 },
4113 { "pmevcntr25_el0", CPENC(3,3,C14,C11,1), 0 },
4114 { "pmevcntr26_el0", CPENC(3,3,C14,C11,2), 0 },
4115 { "pmevcntr27_el0", CPENC(3,3,C14,C11,3), 0 },
4116 { "pmevcntr28_el0", CPENC(3,3,C14,C11,4), 0 },
4117 { "pmevcntr29_el0", CPENC(3,3,C14,C11,5), 0 },
4118 { "pmevcntr30_el0", CPENC(3,3,C14,C11,6), 0 },
4119 { "pmevtyper0_el0", CPENC(3,3,C14,C12,0), 0 },
4120 { "pmevtyper1_el0", CPENC(3,3,C14,C12,1), 0 },
4121 { "pmevtyper2_el0", CPENC(3,3,C14,C12,2), 0 },
4122 { "pmevtyper3_el0", CPENC(3,3,C14,C12,3), 0 },
4123 { "pmevtyper4_el0", CPENC(3,3,C14,C12,4), 0 },
4124 { "pmevtyper5_el0", CPENC(3,3,C14,C12,5), 0 },
4125 { "pmevtyper6_el0", CPENC(3,3,C14,C12,6), 0 },
4126 { "pmevtyper7_el0", CPENC(3,3,C14,C12,7), 0 },
4127 { "pmevtyper8_el0", CPENC(3,3,C14,C13,0), 0 },
4128 { "pmevtyper9_el0", CPENC(3,3,C14,C13,1), 0 },
4129 { "pmevtyper10_el0", CPENC(3,3,C14,C13,2), 0 },
4130 { "pmevtyper11_el0", CPENC(3,3,C14,C13,3), 0 },
4131 { "pmevtyper12_el0", CPENC(3,3,C14,C13,4), 0 },
4132 { "pmevtyper13_el0", CPENC(3,3,C14,C13,5), 0 },
4133 { "pmevtyper14_el0", CPENC(3,3,C14,C13,6), 0 },
4134 { "pmevtyper15_el0", CPENC(3,3,C14,C13,7), 0 },
4135 { "pmevtyper16_el0", CPENC(3,3,C14,C14,0), 0 },
4136 { "pmevtyper17_el0", CPENC(3,3,C14,C14,1), 0 },
4137 { "pmevtyper18_el0", CPENC(3,3,C14,C14,2), 0 },
4138 { "pmevtyper19_el0", CPENC(3,3,C14,C14,3), 0 },
4139 { "pmevtyper20_el0", CPENC(3,3,C14,C14,4), 0 },
4140 { "pmevtyper21_el0", CPENC(3,3,C14,C14,5), 0 },
4141 { "pmevtyper22_el0", CPENC(3,3,C14,C14,6), 0 },
4142 { "pmevtyper23_el0", CPENC(3,3,C14,C14,7), 0 },
4143 { "pmevtyper24_el0", CPENC(3,3,C14,C15,0), 0 },
4144 { "pmevtyper25_el0", CPENC(3,3,C14,C15,1), 0 },
4145 { "pmevtyper26_el0", CPENC(3,3,C14,C15,2), 0 },
4146 { "pmevtyper27_el0", CPENC(3,3,C14,C15,3), 0 },
4147 { "pmevtyper28_el0", CPENC(3,3,C14,C15,4), 0 },
4148 { "pmevtyper29_el0", CPENC(3,3,C14,C15,5), 0 },
4149 { "pmevtyper30_el0", CPENC(3,3,C14,C15,6), 0 },
4150 { "pmccfiltr_el0", CPENC(3,3,C14,C15,7), 0 },
4152 { "dit", CPEN_ (3, C2, 5), F_ARCHEXT },
4153 { "vstcr_el2", CPENC(3, 4, C2, C6, 2), F_ARCHEXT },
4154 { "vsttbr_el2", CPENC(3, 4, C2, C6, 0), F_ARCHEXT },
4155 { "cnthvs_tval_el2", CPENC(3, 4, C14, C4, 0), F_ARCHEXT },
4156 { "cnthvs_cval_el2", CPENC(3, 4, C14, C4, 2), F_ARCHEXT },
4157 { "cnthvs_ctl_el2", CPENC(3, 4, C14, C4, 1), F_ARCHEXT },
4158 { "cnthps_tval_el2", CPENC(3, 4, C14, C5, 0), F_ARCHEXT },
4159 { "cnthps_cval_el2", CPENC(3, 4, C14, C5, 2), F_ARCHEXT },
4160 { "cnthps_ctl_el2", CPENC(3, 4, C14, C5, 1), F_ARCHEXT },
4161 { "sder32_el2", CPENC(3, 4, C1, C3, 1), F_ARCHEXT },
4162 { "vncr_el2", CPENC(3, 4, C2, C2, 0), F_ARCHEXT },
4163 { 0, CPENC(0,0,0,0,0), 0 },
4167 aarch64_sys_reg_deprecated_p (const aarch64_sys_reg *reg)
4169 return (reg->flags & F_DEPRECATED) != 0;
4173 aarch64_sys_reg_supported_p (const aarch64_feature_set features,
4174 const aarch64_sys_reg *reg)
4176 if (!(reg->flags & F_ARCHEXT))
4179 /* PAN. Values are from aarch64_sys_regs. */
4180 if (reg->value == CPEN_(0,C2,3)
4181 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4184 /* SCXTNUM_ELx registers. */
4185 if ((reg->value == CPENC (3, 3, C13, C0, 7)
4186 || reg->value == CPENC (3, 0, C13, C0, 7)
4187 || reg->value == CPENC (3, 4, C13, C0, 7)
4188 || reg->value == CPENC (3, 6, C13, C0, 7)
4189 || reg->value == CPENC (3, 5, C13, C0, 7))
4190 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SCXTNUM))
4193 /* ID_PFR2_EL1 register. */
4194 if (reg->value == CPENC(3, 0, C0, C3, 4)
4195 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_ID_PFR2))
4198 /* SSBS. Values are from aarch64_sys_regs. */
4199 if (reg->value == CPEN_(3,C2,6)
4200 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4203 /* Virtualization host extensions: system registers. */
4204 if ((reg->value == CPENC (3, 4, C2, C0, 1)
4205 || reg->value == CPENC (3, 4, C13, C0, 1)
4206 || reg->value == CPENC (3, 4, C14, C3, 0)
4207 || reg->value == CPENC (3, 4, C14, C3, 1)
4208 || reg->value == CPENC (3, 4, C14, C3, 2))
4209 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4212 /* Virtualization host extensions: *_el12 names of *_el1 registers. */
4213 if ((reg->value == CPEN_ (5, C0, 0)
4214 || reg->value == CPEN_ (5, C0, 1)
4215 || reg->value == CPENC (3, 5, C1, C0, 0)
4216 || reg->value == CPENC (3, 5, C1, C0, 2)
4217 || reg->value == CPENC (3, 5, C2, C0, 0)
4218 || reg->value == CPENC (3, 5, C2, C0, 1)
4219 || reg->value == CPENC (3, 5, C2, C0, 2)
4220 || reg->value == CPENC (3, 5, C5, C1, 0)
4221 || reg->value == CPENC (3, 5, C5, C1, 1)
4222 || reg->value == CPENC (3, 5, C5, C2, 0)
4223 || reg->value == CPENC (3, 5, C6, C0, 0)
4224 || reg->value == CPENC (3, 5, C10, C2, 0)
4225 || reg->value == CPENC (3, 5, C10, C3, 0)
4226 || reg->value == CPENC (3, 5, C12, C0, 0)
4227 || reg->value == CPENC (3, 5, C13, C0, 1)
4228 || reg->value == CPENC (3, 5, C14, C1, 0))
4229 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4232 /* Virtualization host extensions: *_el02 names of *_el0 registers. */
4233 if ((reg->value == CPENC (3, 5, C14, C2, 0)
4234 || reg->value == CPENC (3, 5, C14, C2, 1)
4235 || reg->value == CPENC (3, 5, C14, C2, 2)
4236 || reg->value == CPENC (3, 5, C14, C3, 0)
4237 || reg->value == CPENC (3, 5, C14, C3, 1)
4238 || reg->value == CPENC (3, 5, C14, C3, 2))
4239 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_1))
4242 /* ARMv8.2 features. */
4244 /* ID_AA64MMFR2_EL1. */
4245 if (reg->value == CPENC (3, 0, C0, C7, 2)
4246 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4250 if (reg->value == CPEN_ (0, C2, 4)
4251 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4254 /* RAS extension. */
4256 /* ERRIDR_EL1, ERRSELR_EL1, ERXFR_EL1, ERXCTLR_EL1, ERXSTATUS_EL, ERXADDR_EL1,
4257 ERXMISC0_EL1 AND ERXMISC1_EL1. */
4258 if ((reg->value == CPENC (3, 0, C5, C3, 0)
4259 || reg->value == CPENC (3, 0, C5, C3, 1)
4260 || reg->value == CPENC (3, 0, C5, C3, 2)
4261 || reg->value == CPENC (3, 0, C5, C3, 3)
4262 || reg->value == CPENC (3, 0, C5, C4, 0)
4263 || reg->value == CPENC (3, 0, C5, C4, 1)
4264 || reg->value == CPENC (3, 0, C5, C4, 2)
4265 || reg->value == CPENC (3, 0, C5, C4, 3)
4266 || reg->value == CPENC (3, 0, C5, C5, 0)
4267 || reg->value == CPENC (3, 0, C5, C5, 1))
4268 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4271 /* VSESR_EL2, DISR_EL1 and VDISR_EL2. */
4272 if ((reg->value == CPENC (3, 4, C5, C2, 3)
4273 || reg->value == CPENC (3, 0, C12, C1, 1)
4274 || reg->value == CPENC (3, 4, C12, C1, 1))
4275 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RAS))
4278 /* Statistical Profiling extension. */
4279 if ((reg->value == CPENC (3, 0, C9, C10, 0)
4280 || reg->value == CPENC (3, 0, C9, C10, 1)
4281 || reg->value == CPENC (3, 0, C9, C10, 3)
4282 || reg->value == CPENC (3, 0, C9, C10, 7)
4283 || reg->value == CPENC (3, 0, C9, C9, 0)
4284 || reg->value == CPENC (3, 0, C9, C9, 2)
4285 || reg->value == CPENC (3, 0, C9, C9, 3)
4286 || reg->value == CPENC (3, 0, C9, C9, 4)
4287 || reg->value == CPENC (3, 0, C9, C9, 5)
4288 || reg->value == CPENC (3, 0, C9, C9, 6)
4289 || reg->value == CPENC (3, 0, C9, C9, 7)
4290 || reg->value == CPENC (3, 4, C9, C9, 0)
4291 || reg->value == CPENC (3, 5, C9, C9, 0))
4292 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PROFILE))
4295 /* ARMv8.3 Pointer authentication keys. */
4296 if ((reg->value == CPENC (3, 0, C2, C1, 0)
4297 || reg->value == CPENC (3, 0, C2, C1, 1)
4298 || reg->value == CPENC (3, 0, C2, C1, 2)
4299 || reg->value == CPENC (3, 0, C2, C1, 3)
4300 || reg->value == CPENC (3, 0, C2, C2, 0)
4301 || reg->value == CPENC (3, 0, C2, C2, 1)
4302 || reg->value == CPENC (3, 0, C2, C2, 2)
4303 || reg->value == CPENC (3, 0, C2, C2, 3)
4304 || reg->value == CPENC (3, 0, C2, C3, 0)
4305 || reg->value == CPENC (3, 0, C2, C3, 1))
4306 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_3))
4310 if ((reg->value == CPENC (3, 0, C0, C4, 4)
4311 || reg->value == CPENC (3, 0, C1, C2, 0)
4312 || reg->value == CPENC (3, 4, C1, C2, 0)
4313 || reg->value == CPENC (3, 6, C1, C2, 0)
4314 || reg->value == CPENC (3, 5, C1, C2, 0)
4315 || reg->value == CPENC (3, 0, C0, C0, 7))
4316 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SVE))
4319 /* ARMv8.4 features. */
4322 if (reg->value == CPEN_ (3, C2, 5)
4323 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4326 /* Virtualization extensions. */
4327 if ((reg->value == CPENC(3, 4, C2, C6, 2)
4328 || reg->value == CPENC(3, 4, C2, C6, 0)
4329 || reg->value == CPENC(3, 4, C14, C4, 0)
4330 || reg->value == CPENC(3, 4, C14, C4, 2)
4331 || reg->value == CPENC(3, 4, C14, C4, 1)
4332 || reg->value == CPENC(3, 4, C14, C5, 0)
4333 || reg->value == CPENC(3, 4, C14, C5, 2)
4334 || reg->value == CPENC(3, 4, C14, C5, 1)
4335 || reg->value == CPENC(3, 4, C1, C3, 1)
4336 || reg->value == CPENC(3, 4, C2, C2, 0))
4337 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4340 /* ARMv8.4 TLB instructions. */
4341 if ((reg->value == CPENS (0, C8, C1, 0)
4342 || reg->value == CPENS (0, C8, C1, 1)
4343 || reg->value == CPENS (0, C8, C1, 2)
4344 || reg->value == CPENS (0, C8, C1, 3)
4345 || reg->value == CPENS (0, C8, C1, 5)
4346 || reg->value == CPENS (0, C8, C1, 7)
4347 || reg->value == CPENS (4, C8, C4, 0)
4348 || reg->value == CPENS (4, C8, C4, 4)
4349 || reg->value == CPENS (4, C8, C1, 1)
4350 || reg->value == CPENS (4, C8, C1, 5)
4351 || reg->value == CPENS (4, C8, C1, 6)
4352 || reg->value == CPENS (6, C8, C1, 1)
4353 || reg->value == CPENS (6, C8, C1, 5)
4354 || reg->value == CPENS (4, C8, C1, 0)
4355 || reg->value == CPENS (4, C8, C1, 4)
4356 || reg->value == CPENS (6, C8, C1, 0)
4357 || reg->value == CPENS (0, C8, C6, 1)
4358 || reg->value == CPENS (0, C8, C6, 3)
4359 || reg->value == CPENS (0, C8, C6, 5)
4360 || reg->value == CPENS (0, C8, C6, 7)
4361 || reg->value == CPENS (0, C8, C2, 1)
4362 || reg->value == CPENS (0, C8, C2, 3)
4363 || reg->value == CPENS (0, C8, C2, 5)
4364 || reg->value == CPENS (0, C8, C2, 7)
4365 || reg->value == CPENS (0, C8, C5, 1)
4366 || reg->value == CPENS (0, C8, C5, 3)
4367 || reg->value == CPENS (0, C8, C5, 5)
4368 || reg->value == CPENS (0, C8, C5, 7)
4369 || reg->value == CPENS (4, C8, C0, 2)
4370 || reg->value == CPENS (4, C8, C0, 6)
4371 || reg->value == CPENS (4, C8, C4, 2)
4372 || reg->value == CPENS (4, C8, C4, 6)
4373 || reg->value == CPENS (4, C8, C4, 3)
4374 || reg->value == CPENS (4, C8, C4, 7)
4375 || reg->value == CPENS (4, C8, C6, 1)
4376 || reg->value == CPENS (4, C8, C6, 5)
4377 || reg->value == CPENS (4, C8, C2, 1)
4378 || reg->value == CPENS (4, C8, C2, 5)
4379 || reg->value == CPENS (4, C8, C5, 1)
4380 || reg->value == CPENS (4, C8, C5, 5)
4381 || reg->value == CPENS (6, C8, C6, 1)
4382 || reg->value == CPENS (6, C8, C6, 5)
4383 || reg->value == CPENS (6, C8, C2, 1)
4384 || reg->value == CPENS (6, C8, C2, 5)
4385 || reg->value == CPENS (6, C8, C5, 1)
4386 || reg->value == CPENS (6, C8, C5, 5))
4387 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4390 /* Random Number Instructions. For now they are available
4391 (and optional) only with ARMv8.5-A. */
4392 if ((reg->value == CPENC (3, 3, C2, C4, 0)
4393 || reg->value == CPENC (3, 3, C2, C4, 1))
4394 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_RNG)
4395 && AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_5)))
4398 /* System Registers in ARMv8.5-A with AARCH64_FEATURE_MEMTAG. */
4399 if ((reg->value == CPENC (3, 3, C4, C2, 7)
4400 || reg->value == CPENC (3, 0, C6, C6, 1)
4401 || reg->value == CPENC (3, 0, C6, C5, 0)
4402 || reg->value == CPENC (3, 4, C6, C5, 0)
4403 || reg->value == CPENC (3, 6, C6, C6, 0)
4404 || reg->value == CPENC (3, 5, C6, C6, 0)
4405 || reg->value == CPENC (3, 0, C1, C0, 5)
4406 || reg->value == CPENC (3, 0, C1, C0, 6))
4407 && !(AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG)))
4413 /* The CPENC below is fairly misleading, the fields
4414 here are not in CPENC form. They are in op2op1 form. The fields are encoded
4415 by ins_pstatefield, which just shifts the value by the width of the fields
4416 in a loop. So if you CPENC them only the first value will be set, the rest
4417 are masked out to 0. As an example. op2 = 3, op1=2. CPENC would produce a
4418 value of 0b110000000001000000 (0x30040) while what you want is
4420 const aarch64_sys_reg aarch64_pstatefields [] =
4422 { "spsel", 0x05, 0 },
4423 { "daifset", 0x1e, 0 },
4424 { "daifclr", 0x1f, 0 },
4425 { "pan", 0x04, F_ARCHEXT },
4426 { "uao", 0x03, F_ARCHEXT },
4427 { "ssbs", 0x19, F_ARCHEXT },
4428 { "dit", 0x1a, F_ARCHEXT },
4429 { "tco", 0x1c, F_ARCHEXT },
4430 { 0, CPENC(0,0,0,0,0), 0 },
4434 aarch64_pstatefield_supported_p (const aarch64_feature_set features,
4435 const aarch64_sys_reg *reg)
4437 if (!(reg->flags & F_ARCHEXT))
4440 /* PAN. Values are from aarch64_pstatefields. */
4441 if (reg->value == 0x04
4442 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PAN))
4445 /* UAO. Values are from aarch64_pstatefields. */
4446 if (reg->value == 0x03
4447 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4450 /* SSBS. Values are from aarch64_pstatefields. */
4451 if (reg->value == 0x19
4452 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_SSBS))
4455 /* DIT. Values are from aarch64_pstatefields. */
4456 if (reg->value == 0x1a
4457 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_4))
4460 /* TCO. Values are from aarch64_pstatefields. */
4461 if (reg->value == 0x1c
4462 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4468 const aarch64_sys_ins_reg aarch64_sys_regs_ic[] =
4470 { "ialluis", CPENS(0,C7,C1,0), 0 },
4471 { "iallu", CPENS(0,C7,C5,0), 0 },
4472 { "ivau", CPENS (3, C7, C5, 1), F_HASXT },
4473 { 0, CPENS(0,0,0,0), 0 }
4476 const aarch64_sys_ins_reg aarch64_sys_regs_dc[] =
4478 { "zva", CPENS (3, C7, C4, 1), F_HASXT },
4479 { "gva", CPENS (3, C7, C4, 3), F_HASXT | F_ARCHEXT },
4480 { "gzva", CPENS (3, C7, C4, 4), F_HASXT | F_ARCHEXT },
4481 { "ivac", CPENS (0, C7, C6, 1), F_HASXT },
4482 { "igvac", CPENS (0, C7, C6, 3), F_HASXT | F_ARCHEXT },
4483 { "igsw", CPENS (0, C7, C6, 4), F_HASXT | F_ARCHEXT },
4484 { "isw", CPENS (0, C7, C6, 2), F_HASXT },
4485 { "igdvac", CPENS (0, C7, C6, 5), F_HASXT | F_ARCHEXT },
4486 { "igdsw", CPENS (0, C7, C6, 6), F_HASXT | F_ARCHEXT },
4487 { "cvac", CPENS (3, C7, C10, 1), F_HASXT },
4488 { "cgvac", CPENS (3, C7, C10, 3), F_HASXT | F_ARCHEXT },
4489 { "cgdvac", CPENS (3, C7, C10, 5), F_HASXT | F_ARCHEXT },
4490 { "csw", CPENS (0, C7, C10, 2), F_HASXT },
4491 { "cgsw", CPENS (0, C7, C10, 4), F_HASXT | F_ARCHEXT },
4492 { "cgdsw", CPENS (0, C7, C10, 6), F_HASXT | F_ARCHEXT },
4493 { "cvau", CPENS (3, C7, C11, 1), F_HASXT },
4494 { "cvap", CPENS (3, C7, C12, 1), F_HASXT | F_ARCHEXT },
4495 { "cgvap", CPENS (3, C7, C12, 3), F_HASXT | F_ARCHEXT },
4496 { "cgdvap", CPENS (3, C7, C12, 5), F_HASXT | F_ARCHEXT },
4497 { "cvadp", CPENS (3, C7, C13, 1), F_HASXT | F_ARCHEXT },
4498 { "cgvadp", CPENS (3, C7, C13, 3), F_HASXT | F_ARCHEXT },
4499 { "cgdvadp", CPENS (3, C7, C13, 5), F_HASXT | F_ARCHEXT },
4500 { "civac", CPENS (3, C7, C14, 1), F_HASXT },
4501 { "cigvac", CPENS (3, C7, C14, 3), F_HASXT | F_ARCHEXT },
4502 { "cigdvac", CPENS (3, C7, C14, 5), F_HASXT | F_ARCHEXT },
4503 { "cisw", CPENS (0, C7, C14, 2), F_HASXT },
4504 { "cigsw", CPENS (0, C7, C14, 4), F_HASXT | F_ARCHEXT },
4505 { "cigdsw", CPENS (0, C7, C14, 6), F_HASXT | F_ARCHEXT },
4506 { 0, CPENS(0,0,0,0), 0 }
4509 const aarch64_sys_ins_reg aarch64_sys_regs_at[] =
4511 { "s1e1r", CPENS (0, C7, C8, 0), F_HASXT },
4512 { "s1e1w", CPENS (0, C7, C8, 1), F_HASXT },
4513 { "s1e0r", CPENS (0, C7, C8, 2), F_HASXT },
4514 { "s1e0w", CPENS (0, C7, C8, 3), F_HASXT },
4515 { "s12e1r", CPENS (4, C7, C8, 4), F_HASXT },
4516 { "s12e1w", CPENS (4, C7, C8, 5), F_HASXT },
4517 { "s12e0r", CPENS (4, C7, C8, 6), F_HASXT },
4518 { "s12e0w", CPENS (4, C7, C8, 7), F_HASXT },
4519 { "s1e2r", CPENS (4, C7, C8, 0), F_HASXT },
4520 { "s1e2w", CPENS (4, C7, C8, 1), F_HASXT },
4521 { "s1e3r", CPENS (6, C7, C8, 0), F_HASXT },
4522 { "s1e3w", CPENS (6, C7, C8, 1), F_HASXT },
4523 { "s1e1rp", CPENS (0, C7, C9, 0), F_HASXT | F_ARCHEXT },
4524 { "s1e1wp", CPENS (0, C7, C9, 1), F_HASXT | F_ARCHEXT },
4525 { 0, CPENS(0,0,0,0), 0 }
4528 const aarch64_sys_ins_reg aarch64_sys_regs_tlbi[] =
4530 { "vmalle1", CPENS(0,C8,C7,0), 0 },
4531 { "vae1", CPENS (0, C8, C7, 1), F_HASXT },
4532 { "aside1", CPENS (0, C8, C7, 2), F_HASXT },
4533 { "vaae1", CPENS (0, C8, C7, 3), F_HASXT },
4534 { "vmalle1is", CPENS(0,C8,C3,0), 0 },
4535 { "vae1is", CPENS (0, C8, C3, 1), F_HASXT },
4536 { "aside1is", CPENS (0, C8, C3, 2), F_HASXT },
4537 { "vaae1is", CPENS (0, C8, C3, 3), F_HASXT },
4538 { "ipas2e1is", CPENS (4, C8, C0, 1), F_HASXT },
4539 { "ipas2le1is",CPENS (4, C8, C0, 5), F_HASXT },
4540 { "ipas2e1", CPENS (4, C8, C4, 1), F_HASXT },
4541 { "ipas2le1", CPENS (4, C8, C4, 5), F_HASXT },
4542 { "vae2", CPENS (4, C8, C7, 1), F_HASXT },
4543 { "vae2is", CPENS (4, C8, C3, 1), F_HASXT },
4544 { "vmalls12e1",CPENS(4,C8,C7,6), 0 },
4545 { "vmalls12e1is",CPENS(4,C8,C3,6), 0 },
4546 { "vae3", CPENS (6, C8, C7, 1), F_HASXT },
4547 { "vae3is", CPENS (6, C8, C3, 1), F_HASXT },
4548 { "alle2", CPENS(4,C8,C7,0), 0 },
4549 { "alle2is", CPENS(4,C8,C3,0), 0 },
4550 { "alle1", CPENS(4,C8,C7,4), 0 },
4551 { "alle1is", CPENS(4,C8,C3,4), 0 },
4552 { "alle3", CPENS(6,C8,C7,0), 0 },
4553 { "alle3is", CPENS(6,C8,C3,0), 0 },
4554 { "vale1is", CPENS (0, C8, C3, 5), F_HASXT },
4555 { "vale2is", CPENS (4, C8, C3, 5), F_HASXT },
4556 { "vale3is", CPENS (6, C8, C3, 5), F_HASXT },
4557 { "vaale1is", CPENS (0, C8, C3, 7), F_HASXT },
4558 { "vale1", CPENS (0, C8, C7, 5), F_HASXT },
4559 { "vale2", CPENS (4, C8, C7, 5), F_HASXT },
4560 { "vale3", CPENS (6, C8, C7, 5), F_HASXT },
4561 { "vaale1", CPENS (0, C8, C7, 7), F_HASXT },
4563 { "vmalle1os", CPENS (0, C8, C1, 0), F_ARCHEXT },
4564 { "vae1os", CPENS (0, C8, C1, 1), F_HASXT | F_ARCHEXT },
4565 { "aside1os", CPENS (0, C8, C1, 2), F_HASXT | F_ARCHEXT },
4566 { "vaae1os", CPENS (0, C8, C1, 3), F_HASXT | F_ARCHEXT },
4567 { "vale1os", CPENS (0, C8, C1, 5), F_HASXT | F_ARCHEXT },
4568 { "vaale1os", CPENS (0, C8, C1, 7), F_HASXT | F_ARCHEXT },
4569 { "ipas2e1os", CPENS (4, C8, C4, 0), F_HASXT | F_ARCHEXT },
4570 { "ipas2le1os", CPENS (4, C8, C4, 4), F_HASXT | F_ARCHEXT },
4571 { "vae2os", CPENS (4, C8, C1, 1), F_HASXT | F_ARCHEXT },
4572 { "vale2os", CPENS (4, C8, C1, 5), F_HASXT | F_ARCHEXT },
4573 { "vmalls12e1os", CPENS (4, C8, C1, 6), F_ARCHEXT },
4574 { "vae3os", CPENS (6, C8, C1, 1), F_HASXT | F_ARCHEXT },
4575 { "vale3os", CPENS (6, C8, C1, 5), F_HASXT | F_ARCHEXT },
4576 { "alle2os", CPENS (4, C8, C1, 0), F_ARCHEXT },
4577 { "alle1os", CPENS (4, C8, C1, 4), F_ARCHEXT },
4578 { "alle3os", CPENS (6, C8, C1, 0), F_ARCHEXT },
4580 { "rvae1", CPENS (0, C8, C6, 1), F_HASXT | F_ARCHEXT },
4581 { "rvaae1", CPENS (0, C8, C6, 3), F_HASXT | F_ARCHEXT },
4582 { "rvale1", CPENS (0, C8, C6, 5), F_HASXT | F_ARCHEXT },
4583 { "rvaale1", CPENS (0, C8, C6, 7), F_HASXT | F_ARCHEXT },
4584 { "rvae1is", CPENS (0, C8, C2, 1), F_HASXT | F_ARCHEXT },
4585 { "rvaae1is", CPENS (0, C8, C2, 3), F_HASXT | F_ARCHEXT },
4586 { "rvale1is", CPENS (0, C8, C2, 5), F_HASXT | F_ARCHEXT },
4587 { "rvaale1is", CPENS (0, C8, C2, 7), F_HASXT | F_ARCHEXT },
4588 { "rvae1os", CPENS (0, C8, C5, 1), F_HASXT | F_ARCHEXT },
4589 { "rvaae1os", CPENS (0, C8, C5, 3), F_HASXT | F_ARCHEXT },
4590 { "rvale1os", CPENS (0, C8, C5, 5), F_HASXT | F_ARCHEXT },
4591 { "rvaale1os", CPENS (0, C8, C5, 7), F_HASXT | F_ARCHEXT },
4592 { "ripas2e1is", CPENS (4, C8, C0, 2), F_HASXT | F_ARCHEXT },
4593 { "ripas2le1is",CPENS (4, C8, C0, 6), F_HASXT | F_ARCHEXT },
4594 { "ripas2e1", CPENS (4, C8, C4, 2), F_HASXT | F_ARCHEXT },
4595 { "ripas2le1", CPENS (4, C8, C4, 6), F_HASXT | F_ARCHEXT },
4596 { "ripas2e1os", CPENS (4, C8, C4, 3), F_HASXT | F_ARCHEXT },
4597 { "ripas2le1os",CPENS (4, C8, C4, 7), F_HASXT | F_ARCHEXT },
4598 { "rvae2", CPENS (4, C8, C6, 1), F_HASXT | F_ARCHEXT },
4599 { "rvale2", CPENS (4, C8, C6, 5), F_HASXT | F_ARCHEXT },
4600 { "rvae2is", CPENS (4, C8, C2, 1), F_HASXT | F_ARCHEXT },
4601 { "rvale2is", CPENS (4, C8, C2, 5), F_HASXT | F_ARCHEXT },
4602 { "rvae2os", CPENS (4, C8, C5, 1), F_HASXT | F_ARCHEXT },
4603 { "rvale2os", CPENS (4, C8, C5, 5), F_HASXT | F_ARCHEXT },
4604 { "rvae3", CPENS (6, C8, C6, 1), F_HASXT | F_ARCHEXT },
4605 { "rvale3", CPENS (6, C8, C6, 5), F_HASXT | F_ARCHEXT },
4606 { "rvae3is", CPENS (6, C8, C2, 1), F_HASXT | F_ARCHEXT },
4607 { "rvale3is", CPENS (6, C8, C2, 5), F_HASXT | F_ARCHEXT },
4608 { "rvae3os", CPENS (6, C8, C5, 1), F_HASXT | F_ARCHEXT },
4609 { "rvale3os", CPENS (6, C8, C5, 5), F_HASXT | F_ARCHEXT },
4611 { 0, CPENS(0,0,0,0), 0 }
4614 const aarch64_sys_ins_reg aarch64_sys_regs_sr[] =
4616 /* RCTX is somewhat unique in a way that it has different values
4617 (op2) based on the instruction in which it is used (cfp/dvp/cpp).
4618 Thus op2 is masked out and instead encoded directly in the
4619 aarch64_opcode_table entries for the respective instructions. */
4620 { "rctx", CPENS(3,C7,C3,0), F_HASXT | F_ARCHEXT | F_REG_WRITE}, /* WO */
4622 { 0, CPENS(0,0,0,0), 0 }
4626 aarch64_sys_ins_reg_has_xt (const aarch64_sys_ins_reg *sys_ins_reg)
4628 return (sys_ins_reg->flags & F_HASXT) != 0;
4632 aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
4633 const aarch64_sys_ins_reg *reg)
4635 if (!(reg->flags & F_ARCHEXT))
4638 /* DC CVAP. Values are from aarch64_sys_regs_dc. */
4639 if (reg->value == CPENS (3, C7, C12, 1)
4640 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4643 /* DC CVADP. Values are from aarch64_sys_regs_dc. */
4644 if (reg->value == CPENS (3, C7, C13, 1)
4645 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_CVADP))
4648 /* DC <dc_op> for ARMv8.5-A Memory Tagging Extension. */
4649 if ((reg->value == CPENS (0, C7, C6, 3)
4650 || reg->value == CPENS (0, C7, C6, 4)
4651 || reg->value == CPENS (0, C7, C10, 4)
4652 || reg->value == CPENS (0, C7, C14, 4)
4653 || reg->value == CPENS (3, C7, C10, 3)
4654 || reg->value == CPENS (3, C7, C12, 3)
4655 || reg->value == CPENS (3, C7, C13, 3)
4656 || reg->value == CPENS (3, C7, C14, 3)
4657 || reg->value == CPENS (3, C7, C4, 3)
4658 || reg->value == CPENS (0, C7, C6, 5)
4659 || reg->value == CPENS (0, C7, C6, 6)
4660 || reg->value == CPENS (0, C7, C10, 6)
4661 || reg->value == CPENS (0, C7, C14, 6)
4662 || reg->value == CPENS (3, C7, C10, 5)
4663 || reg->value == CPENS (3, C7, C12, 5)
4664 || reg->value == CPENS (3, C7, C13, 5)
4665 || reg->value == CPENS (3, C7, C14, 5)
4666 || reg->value == CPENS (3, C7, C4, 4))
4667 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_MEMTAG))
4670 /* AT S1E1RP, AT S1E1WP. Values are from aarch64_sys_regs_at. */
4671 if ((reg->value == CPENS (0, C7, C9, 0)
4672 || reg->value == CPENS (0, C7, C9, 1))
4673 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_V8_2))
4676 /* CFP/DVP/CPP RCTX : Value are from aarch64_sys_regs_sr. */
4677 if (reg->value == CPENS (3, C7, C3, 0)
4678 && !AARCH64_CPU_HAS_FEATURE (features, AARCH64_FEATURE_PREDRES))
4701 #define BIT(INSN,BT) (((INSN) >> (BT)) & 1)
4702 #define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1))
4704 static enum err_type
4705 verify_ldpsw (const struct aarch64_inst *inst ATTRIBUTE_UNUSED,
4706 const aarch64_insn insn, bfd_vma pc ATTRIBUTE_UNUSED,
4707 bfd_boolean encoding ATTRIBUTE_UNUSED,
4708 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4709 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4711 int t = BITS (insn, 4, 0);
4712 int n = BITS (insn, 9, 5);
4713 int t2 = BITS (insn, 14, 10);
4717 /* Write back enabled. */
4718 if ((t == n || t2 == n) && n != 31)
4732 /* Verifier for vector by element 3 operands functions where the
4733 conditions `if sz:L == 11 then UNDEFINED` holds. */
4735 static enum err_type
4736 verify_elem_sd (const struct aarch64_inst *inst, const aarch64_insn insn,
4737 bfd_vma pc ATTRIBUTE_UNUSED, bfd_boolean encoding,
4738 aarch64_operand_error *mismatch_detail ATTRIBUTE_UNUSED,
4739 aarch64_instr_sequence *insn_sequence ATTRIBUTE_UNUSED)
4741 const aarch64_insn undef_pattern = 0x3;
4744 assert (inst->opcode);
4745 assert (inst->opcode->operands[2] == AARCH64_OPND_Em);
4746 value = encoding ? inst->value : insn;
4749 if (undef_pattern == extract_fields (value, 0, 2, FLD_sz, FLD_L))
4755 /* Initialize an instruction sequence insn_sequence with the instruction INST.
4756 If INST is NULL the given insn_sequence is cleared and the sequence is left
4760 init_insn_sequence (const struct aarch64_inst *inst,
4761 aarch64_instr_sequence *insn_sequence)
4763 int num_req_entries = 0;
4764 insn_sequence->next_insn = 0;
4765 insn_sequence->num_insns = num_req_entries;
4766 if (insn_sequence->instr)
4767 XDELETE (insn_sequence->instr);
4768 insn_sequence->instr = NULL;
4772 insn_sequence->instr = XNEW (aarch64_inst);
4773 memcpy (insn_sequence->instr, inst, sizeof (aarch64_inst));
4776 /* Handle all the cases here. May need to think of something smarter than
4777 a giant if/else chain if this grows. At that time, a lookup table may be
4779 if (inst && inst->opcode->constraints & C_SCAN_MOVPRFX)
4780 num_req_entries = 1;
4782 if (insn_sequence->current_insns)
4783 XDELETEVEC (insn_sequence->current_insns);
4784 insn_sequence->current_insns = NULL;
4786 if (num_req_entries != 0)
4788 size_t size = num_req_entries * sizeof (aarch64_inst);
4789 insn_sequence->current_insns
4790 = (aarch64_inst**) XNEWVEC (aarch64_inst, num_req_entries);
4791 memset (insn_sequence->current_insns, 0, size);
4796 /* This function verifies that the instruction INST adheres to its specified
4797 constraints. If it does then ERR_OK is returned, if not then ERR_VFI is
4798 returned and MISMATCH_DETAIL contains the reason why verification failed.
4800 The function is called both during assembly and disassembly. If assembling
4801 then ENCODING will be TRUE, else FALSE. If dissassembling PC will be set
4802 and will contain the PC of the current instruction w.r.t to the section.
4804 If ENCODING and PC=0 then you are at a start of a section. The constraints
4805 are verified against the given state insn_sequence which is updated as it
4806 transitions through the verification. */
4809 verify_constraints (const struct aarch64_inst *inst,
4810 const aarch64_insn insn ATTRIBUTE_UNUSED,
4812 bfd_boolean encoding,
4813 aarch64_operand_error *mismatch_detail,
4814 aarch64_instr_sequence *insn_sequence)
4817 assert (inst->opcode);
4819 const struct aarch64_opcode *opcode = inst->opcode;
4820 if (!opcode->constraints && !insn_sequence->instr)
4823 assert (insn_sequence);
4825 enum err_type res = ERR_OK;
4827 /* This instruction puts a constraint on the insn_sequence. */
4828 if (opcode->flags & F_SCAN)
4830 if (insn_sequence->instr)
4832 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4833 mismatch_detail->error = _("instruction opens new dependency "
4834 "sequence without ending previous one");
4835 mismatch_detail->index = -1;
4836 mismatch_detail->non_fatal = TRUE;
4840 init_insn_sequence (inst, insn_sequence);
4844 /* Verify constraints on an existing sequence. */
4845 if (insn_sequence->instr)
4847 const struct aarch64_opcode* inst_opcode = insn_sequence->instr->opcode;
4848 /* If we're decoding and we hit PC=0 with an open sequence then we haven't
4849 closed a previous one that we should have. */
4850 if (!encoding && pc == 0)
4852 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4853 mismatch_detail->error = _("previous `movprfx' sequence not closed");
4854 mismatch_detail->index = -1;
4855 mismatch_detail->non_fatal = TRUE;
4857 /* Reset the sequence. */
4858 init_insn_sequence (NULL, insn_sequence);
4862 /* Validate C_SCAN_MOVPRFX constraints. Move this to a lookup table. */
4863 if (inst_opcode->constraints & C_SCAN_MOVPRFX)
4865 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4866 instruction for better error messages. */
4867 if (!opcode->avariant || !(*opcode->avariant & AARCH64_FEATURE_SVE))
4869 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4870 mismatch_detail->error = _("SVE instruction expected after "
4872 mismatch_detail->index = -1;
4873 mismatch_detail->non_fatal = TRUE;
4878 /* Check to see if the MOVPRFX SVE instruction is followed by an SVE
4879 instruction that is allowed to be used with a MOVPRFX. */
4880 if (!(opcode->constraints & C_SCAN_MOVPRFX))
4882 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4883 mismatch_detail->error = _("SVE `movprfx' compatible instruction "
4885 mismatch_detail->index = -1;
4886 mismatch_detail->non_fatal = TRUE;
4891 /* Next check for usage of the predicate register. */
4892 aarch64_opnd_info blk_dest = insn_sequence->instr->operands[0];
4893 aarch64_opnd_info blk_pred, inst_pred;
4894 memset (&blk_pred, 0, sizeof (aarch64_opnd_info));
4895 memset (&inst_pred, 0, sizeof (aarch64_opnd_info));
4896 bfd_boolean predicated = FALSE;
4897 assert (blk_dest.type == AARCH64_OPND_SVE_Zd);
4899 /* Determine if the movprfx instruction used is predicated or not. */
4900 if (insn_sequence->instr->operands[1].type == AARCH64_OPND_SVE_Pg3)
4903 blk_pred = insn_sequence->instr->operands[1];
4906 unsigned char max_elem_size = 0;
4907 unsigned char current_elem_size;
4908 int num_op_used = 0, last_op_usage = 0;
4909 int i, inst_pred_idx = -1;
4910 int num_ops = aarch64_num_of_operands (opcode);
4911 for (i = 0; i < num_ops; i++)
4913 aarch64_opnd_info inst_op = inst->operands[i];
4914 switch (inst_op.type)
4916 case AARCH64_OPND_SVE_Zd:
4917 case AARCH64_OPND_SVE_Zm_5:
4918 case AARCH64_OPND_SVE_Zm_16:
4919 case AARCH64_OPND_SVE_Zn:
4920 case AARCH64_OPND_SVE_Zt:
4921 case AARCH64_OPND_SVE_Vm:
4922 case AARCH64_OPND_SVE_Vn:
4923 case AARCH64_OPND_Va:
4924 case AARCH64_OPND_Vn:
4925 case AARCH64_OPND_Vm:
4926 case AARCH64_OPND_Sn:
4927 case AARCH64_OPND_Sm:
4928 case AARCH64_OPND_Rn:
4929 case AARCH64_OPND_Rm:
4930 case AARCH64_OPND_Rn_SP:
4931 case AARCH64_OPND_Rm_SP:
4932 if (inst_op.reg.regno == blk_dest.reg.regno)
4938 = aarch64_get_qualifier_esize (inst_op.qualifier);
4939 if (current_elem_size > max_elem_size)
4940 max_elem_size = current_elem_size;
4942 case AARCH64_OPND_SVE_Pd:
4943 case AARCH64_OPND_SVE_Pg3:
4944 case AARCH64_OPND_SVE_Pg4_5:
4945 case AARCH64_OPND_SVE_Pg4_10:
4946 case AARCH64_OPND_SVE_Pg4_16:
4947 case AARCH64_OPND_SVE_Pm:
4948 case AARCH64_OPND_SVE_Pn:
4949 case AARCH64_OPND_SVE_Pt:
4950 inst_pred = inst_op;
4958 assert (max_elem_size != 0);
4959 aarch64_opnd_info inst_dest = inst->operands[0];
4960 /* Determine the size that should be used to compare against the
4963 = opcode->constraints & C_MAX_ELEM
4965 : aarch64_get_qualifier_esize (inst_dest.qualifier);
4967 /* If movprfx is predicated do some extra checks. */
4970 /* The instruction must be predicated. */
4971 if (inst_pred_idx < 0)
4973 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4974 mismatch_detail->error = _("predicated instruction expected "
4976 mismatch_detail->index = -1;
4977 mismatch_detail->non_fatal = TRUE;
4982 /* The instruction must have a merging predicate. */
4983 if (inst_pred.qualifier != AARCH64_OPND_QLF_P_M)
4985 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4986 mismatch_detail->error = _("merging predicate expected due "
4987 "to preceding `movprfx'");
4988 mismatch_detail->index = inst_pred_idx;
4989 mismatch_detail->non_fatal = TRUE;
4994 /* The same register must be used in instruction. */
4995 if (blk_pred.reg.regno != inst_pred.reg.regno)
4997 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
4998 mismatch_detail->error = _("predicate register differs "
4999 "from that in preceding "
5001 mismatch_detail->index = inst_pred_idx;
5002 mismatch_detail->non_fatal = TRUE;
5008 /* Destructive operations by definition must allow one usage of the
5011 = aarch64_is_destructive_by_operands (opcode) ? 2 : 1;
5013 /* Operand is not used at all. */
5014 if (num_op_used == 0)
5016 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5017 mismatch_detail->error = _("output register of preceding "
5018 "`movprfx' not used in current "
5020 mismatch_detail->index = 0;
5021 mismatch_detail->non_fatal = TRUE;
5026 /* We now know it's used, now determine exactly where it's used. */
5027 if (blk_dest.reg.regno != inst_dest.reg.regno)
5029 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5030 mismatch_detail->error = _("output register of preceding "
5031 "`movprfx' expected as output");
5032 mismatch_detail->index = 0;
5033 mismatch_detail->non_fatal = TRUE;
5038 /* Operand used more than allowed for the specific opcode type. */
5039 if (num_op_used > allowed_usage)
5041 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5042 mismatch_detail->error = _("output register of preceding "
5043 "`movprfx' used as input");
5044 mismatch_detail->index = last_op_usage;
5045 mismatch_detail->non_fatal = TRUE;
5050 /* Now the only thing left is the qualifiers checks. The register
5051 must have the same maximum element size. */
5052 if (inst_dest.qualifier
5053 && blk_dest.qualifier
5054 && current_elem_size
5055 != aarch64_get_qualifier_esize (blk_dest.qualifier))
5057 mismatch_detail->kind = AARCH64_OPDE_SYNTAX_ERROR;
5058 mismatch_detail->error = _("register size not compatible with "
5059 "previous `movprfx'");
5060 mismatch_detail->index = 0;
5061 mismatch_detail->non_fatal = TRUE;
5068 /* Add the new instruction to the sequence. */
5069 memcpy (insn_sequence->current_insns + insn_sequence->next_insn++,
5070 inst, sizeof (aarch64_inst));
5072 /* Check if sequence is now full. */
5073 if (insn_sequence->next_insn >= insn_sequence->num_insns)
5075 /* Sequence is full, but we don't have anything special to do for now,
5076 so clear and reset it. */
5077 init_insn_sequence (NULL, insn_sequence);
5085 /* Return true if VALUE cannot be moved into an SVE register using DUP
5086 (with any element size, not just ESIZE) and if using DUPM would
5087 therefore be OK. ESIZE is the number of bytes in the immediate. */
5090 aarch64_sve_dupm_mov_immediate_p (uint64_t uvalue, int esize)
5092 int64_t svalue = uvalue;
5093 uint64_t upper = (uint64_t) -1 << (esize * 4) << (esize * 4);
5095 if ((uvalue & ~upper) != uvalue && (uvalue | upper) != uvalue)
5097 if (esize <= 4 || (uint32_t) uvalue == (uint32_t) (uvalue >> 32))
5099 svalue = (int32_t) uvalue;
5100 if (esize <= 2 || (uint16_t) uvalue == (uint16_t) (uvalue >> 16))
5102 svalue = (int16_t) uvalue;
5103 if (esize == 1 || (uint8_t) uvalue == (uint8_t) (uvalue >> 8))
5107 if ((svalue & 0xff) == 0)
5109 return svalue < -128 || svalue >= 128;
5112 /* Include the opcode description table as well as the operand description
5114 #define VERIFIER(x) verify_##x
5115 #include "aarch64-tbl.h"