1 # AArch64 SVE instruction descriptions
3 # Copyright (c) 2017 Linaro, Ltd
5 # This library is free software; you can redistribute it and/or
6 # modify it under the terms of the GNU Lesser General Public
7 # License as published by the Free Software Foundation; either
8 # version 2 of the License, or (at your option) any later version.
10 # This library is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Lesser General Public License for more details.
15 # You should have received a copy of the GNU Lesser General Public
16 # License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 # This file is processed by scripts/decodetree.py
22 ###########################################################################
23 # Named fields. These are primarily for disjoint fields.
25 %imm4_16_p1 16:4 !function=plus1
29 %imm9_16_10 16:s6 10:3
31 # A combination of tsz:imm3 -- extract esize.
32 %tszimm_esz 22:2 5:5 !function=tszimm_esz
33 # A combination of tsz:imm3 -- extract (2 * esize) - (tsz:imm3)
34 %tszimm_shr 22:2 5:5 !function=tszimm_shr
35 # A combination of tsz:imm3 -- extract (tsz:imm3) - esize
36 %tszimm_shl 22:2 5:5 !function=tszimm_shl
38 # Similarly for the tszh/tszl pair at 22/16 for zzi
39 %tszimm16_esz 22:2 16:5 !function=tszimm_esz
40 %tszimm16_shr 22:2 16:5 !function=tszimm_shr
41 %tszimm16_shl 22:2 16:5 !function=tszimm_shl
43 # Signed 8-bit immediate, optionally shifted left by 8.
44 %sh8_i8s 5:9 !function=expand_imm_sh8s
46 # Either a copy of rd (at bit 0), or a different source
47 # as propagated via the MOVPRFX instruction.
50 ###########################################################################
51 # Named attribute sets. These are used to make nice(er) names
52 # when creating helpers common to those for the individual
53 # instruction patterns.
59 &rri_esz rd rn imm esz
63 &rprr_esz rd pg rn rm esz
64 &rprrr_esz rd pg rn rm ra esz
65 &rpri_esz rd pg rn imm esz
67 &incdec_cnt rd pat esz imm d u
68 &incdec2_cnt rd rn pat esz imm d u
70 ###########################################################################
71 # Named instruction formats. These are generally used to
72 # reduce the amount of duplication between instruction patterns.
74 # Two operand with unused vector element size
75 @pd_pn_e0 ........ ........ ....... rn:4 . rd:4 &rr_esz esz=0
78 @pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz
79 @rd_rn ........ esz:2 ...... ...... rn:5 rd:5 &rr_esz
81 # Three operand with unused vector element size
82 @rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0
84 # Three predicate operand, with governing predicate, flag setting
85 @pd_pg_pn_pm_s ........ . s:1 .. rm:4 .. pg:4 . rn:4 . rd:4 &rprr_s
87 # Three operand, vector element size
88 @rd_rn_rm ........ esz:2 . rm:5 ... ... rn:5 rd:5 &rrr_esz
89 @pd_pn_pm ........ esz:2 .. rm:4 ....... rn:4 . rd:4 &rrr_esz
90 @rdn_rm ........ esz:2 ...... ...... rm:5 rd:5 \
91 &rrr_esz rn=%reg_movprfx
93 # Three operand with "memory" size, aka immediate left shift
94 @rd_rn_msz_rm ........ ... rm:5 .... imm:2 rn:5 rd:5 &rrri
96 # Two register operand, with governing predicate, vector element size
97 @rdn_pg_rm ........ esz:2 ... ... ... pg:3 rm:5 rd:5 \
98 &rprr_esz rn=%reg_movprfx
99 @rdm_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 \
100 &rprr_esz rm=%reg_movprfx
101 @rd_pg4_rn_rm ........ esz:2 . rm:5 .. pg:4 rn:5 rd:5 &rprr_esz
103 # Three register operand, with governing predicate, vector element size
104 @rda_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 rd:5 \
105 &rprrr_esz ra=%reg_movprfx
106 @rdn_pg_ra_rm ........ esz:2 . rm:5 ... pg:3 ra:5 rd:5 \
107 &rprrr_esz rn=%reg_movprfx
109 # One register operand, with governing predicate, vector element size
110 @rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz
112 # Two register operands with a 6-bit signed immediate.
113 @rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri
115 # Two register operand, one immediate operand, with predicate,
116 # element size encoded as TSZHL. User must fill in imm.
117 @rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \
118 &rpri_esz rn=%reg_movprfx esz=%tszimm_esz
120 # Similarly without predicate.
121 @rd_rn_tszimm ........ .. ... ... ...... rn:5 rd:5 \
122 &rri_esz esz=%tszimm16_esz
124 # Two register operand, one immediate operand, with 4-bit predicate.
125 # User must fill in imm.
126 @rdn_pg4 ........ esz:2 .. pg:4 ... ........ rd:5 \
127 &rpri_esz rn=%reg_movprfx
129 # Two register operand, one encoded bitmask.
130 @rdn_dbm ........ .. .... dbm:13 rd:5 \
131 &rr_dbm rn=%reg_movprfx
133 # Basic Load/Store with 9-bit immediate offset
134 @pd_rn_i9 ........ ........ ...... rn:5 . rd:4 \
136 @rd_rn_i9 ........ ........ ...... rn:5 rd:5 \
139 # One register, pattern, and uint4+1.
140 # User must fill in U and D.
141 @incdec_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
142 &incdec_cnt imm=%imm4_16_p1
143 @incdec2_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
144 &incdec2_cnt imm=%imm4_16_p1 rn=%reg_movprfx
146 ###########################################################################
147 # Instruction patterns. Grouped according to the SVE encodingindex.xhtml.
149 ### SVE Integer Arithmetic - Binary Predicated Group
151 # SVE bitwise logical vector operations (predicated)
152 ORR_zpzz 00000100 .. 011 000 000 ... ..... ..... @rdn_pg_rm
153 EOR_zpzz 00000100 .. 011 001 000 ... ..... ..... @rdn_pg_rm
154 AND_zpzz 00000100 .. 011 010 000 ... ..... ..... @rdn_pg_rm
155 BIC_zpzz 00000100 .. 011 011 000 ... ..... ..... @rdn_pg_rm
157 # SVE integer add/subtract vectors (predicated)
158 ADD_zpzz 00000100 .. 000 000 000 ... ..... ..... @rdn_pg_rm
159 SUB_zpzz 00000100 .. 000 001 000 ... ..... ..... @rdn_pg_rm
160 SUB_zpzz 00000100 .. 000 011 000 ... ..... ..... @rdm_pg_rn # SUBR
162 # SVE integer min/max/difference (predicated)
163 SMAX_zpzz 00000100 .. 001 000 000 ... ..... ..... @rdn_pg_rm
164 UMAX_zpzz 00000100 .. 001 001 000 ... ..... ..... @rdn_pg_rm
165 SMIN_zpzz 00000100 .. 001 010 000 ... ..... ..... @rdn_pg_rm
166 UMIN_zpzz 00000100 .. 001 011 000 ... ..... ..... @rdn_pg_rm
167 SABD_zpzz 00000100 .. 001 100 000 ... ..... ..... @rdn_pg_rm
168 UABD_zpzz 00000100 .. 001 101 000 ... ..... ..... @rdn_pg_rm
170 # SVE integer multiply/divide (predicated)
171 MUL_zpzz 00000100 .. 010 000 000 ... ..... ..... @rdn_pg_rm
172 SMULH_zpzz 00000100 .. 010 010 000 ... ..... ..... @rdn_pg_rm
173 UMULH_zpzz 00000100 .. 010 011 000 ... ..... ..... @rdn_pg_rm
174 # Note that divide requires size >= 2; below 2 is unallocated.
175 SDIV_zpzz 00000100 .. 010 100 000 ... ..... ..... @rdn_pg_rm
176 UDIV_zpzz 00000100 .. 010 101 000 ... ..... ..... @rdn_pg_rm
177 SDIV_zpzz 00000100 .. 010 110 000 ... ..... ..... @rdm_pg_rn # SDIVR
178 UDIV_zpzz 00000100 .. 010 111 000 ... ..... ..... @rdm_pg_rn # UDIVR
180 ### SVE Integer Reduction Group
182 # SVE bitwise logical reduction (predicated)
183 ORV 00000100 .. 011 000 001 ... ..... ..... @rd_pg_rn
184 EORV 00000100 .. 011 001 001 ... ..... ..... @rd_pg_rn
185 ANDV 00000100 .. 011 010 001 ... ..... ..... @rd_pg_rn
187 # SVE integer add reduction (predicated)
188 # Note that saddv requires size != 3.
189 UADDV 00000100 .. 000 001 001 ... ..... ..... @rd_pg_rn
190 SADDV 00000100 .. 000 000 001 ... ..... ..... @rd_pg_rn
192 # SVE integer min/max reduction (predicated)
193 SMAXV 00000100 .. 001 000 001 ... ..... ..... @rd_pg_rn
194 UMAXV 00000100 .. 001 001 001 ... ..... ..... @rd_pg_rn
195 SMINV 00000100 .. 001 010 001 ... ..... ..... @rd_pg_rn
196 UMINV 00000100 .. 001 011 001 ... ..... ..... @rd_pg_rn
198 ### SVE Shift by Immediate - Predicated Group
200 # SVE bitwise shift by immediate (predicated)
201 ASR_zpzi 00000100 .. 000 000 100 ... .. ... ..... \
202 @rdn_pg_tszimm imm=%tszimm_shr
203 LSR_zpzi 00000100 .. 000 001 100 ... .. ... ..... \
204 @rdn_pg_tszimm imm=%tszimm_shr
205 LSL_zpzi 00000100 .. 000 011 100 ... .. ... ..... \
206 @rdn_pg_tszimm imm=%tszimm_shl
207 ASRD 00000100 .. 000 100 100 ... .. ... ..... \
208 @rdn_pg_tszimm imm=%tszimm_shr
210 # SVE bitwise shift by vector (predicated)
211 ASR_zpzz 00000100 .. 010 000 100 ... ..... ..... @rdn_pg_rm
212 LSR_zpzz 00000100 .. 010 001 100 ... ..... ..... @rdn_pg_rm
213 LSL_zpzz 00000100 .. 010 011 100 ... ..... ..... @rdn_pg_rm
214 ASR_zpzz 00000100 .. 010 100 100 ... ..... ..... @rdm_pg_rn # ASRR
215 LSR_zpzz 00000100 .. 010 101 100 ... ..... ..... @rdm_pg_rn # LSRR
216 LSL_zpzz 00000100 .. 010 111 100 ... ..... ..... @rdm_pg_rn # LSLR
218 # SVE bitwise shift by wide elements (predicated)
219 # Note these require size != 3.
220 ASR_zpzw 00000100 .. 011 000 100 ... ..... ..... @rdn_pg_rm
221 LSR_zpzw 00000100 .. 011 001 100 ... ..... ..... @rdn_pg_rm
222 LSL_zpzw 00000100 .. 011 011 100 ... ..... ..... @rdn_pg_rm
224 ### SVE Integer Arithmetic - Unary Predicated Group
226 # SVE unary bit operations (predicated)
227 # Note esz != 0 for FABS and FNEG.
228 CLS 00000100 .. 011 000 101 ... ..... ..... @rd_pg_rn
229 CLZ 00000100 .. 011 001 101 ... ..... ..... @rd_pg_rn
230 CNT_zpz 00000100 .. 011 010 101 ... ..... ..... @rd_pg_rn
231 CNOT 00000100 .. 011 011 101 ... ..... ..... @rd_pg_rn
232 NOT_zpz 00000100 .. 011 110 101 ... ..... ..... @rd_pg_rn
233 FABS 00000100 .. 011 100 101 ... ..... ..... @rd_pg_rn
234 FNEG 00000100 .. 011 101 101 ... ..... ..... @rd_pg_rn
236 # SVE integer unary operations (predicated)
237 # Note esz > original size for extensions.
238 ABS 00000100 .. 010 110 101 ... ..... ..... @rd_pg_rn
239 NEG 00000100 .. 010 111 101 ... ..... ..... @rd_pg_rn
240 SXTB 00000100 .. 010 000 101 ... ..... ..... @rd_pg_rn
241 UXTB 00000100 .. 010 001 101 ... ..... ..... @rd_pg_rn
242 SXTH 00000100 .. 010 010 101 ... ..... ..... @rd_pg_rn
243 UXTH 00000100 .. 010 011 101 ... ..... ..... @rd_pg_rn
244 SXTW 00000100 .. 010 100 101 ... ..... ..... @rd_pg_rn
245 UXTW 00000100 .. 010 101 101 ... ..... ..... @rd_pg_rn
247 ### SVE Integer Multiply-Add Group
249 # SVE integer multiply-add writing addend (predicated)
250 MLA 00000100 .. 0 ..... 010 ... ..... ..... @rda_pg_rn_rm
251 MLS 00000100 .. 0 ..... 011 ... ..... ..... @rda_pg_rn_rm
253 # SVE integer multiply-add writing multiplicand (predicated)
254 MLA 00000100 .. 0 ..... 110 ... ..... ..... @rdn_pg_ra_rm # MAD
255 MLS 00000100 .. 0 ..... 111 ... ..... ..... @rdn_pg_ra_rm # MSB
257 ### SVE Integer Arithmetic - Unpredicated Group
259 # SVE integer add/subtract vectors (unpredicated)
260 ADD_zzz 00000100 .. 1 ..... 000 000 ..... ..... @rd_rn_rm
261 SUB_zzz 00000100 .. 1 ..... 000 001 ..... ..... @rd_rn_rm
262 SQADD_zzz 00000100 .. 1 ..... 000 100 ..... ..... @rd_rn_rm
263 UQADD_zzz 00000100 .. 1 ..... 000 101 ..... ..... @rd_rn_rm
264 SQSUB_zzz 00000100 .. 1 ..... 000 110 ..... ..... @rd_rn_rm
265 UQSUB_zzz 00000100 .. 1 ..... 000 111 ..... ..... @rd_rn_rm
267 ### SVE Logical - Unpredicated Group
269 # SVE bitwise logical operations (unpredicated)
270 AND_zzz 00000100 00 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
271 ORR_zzz 00000100 01 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
272 EOR_zzz 00000100 10 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
273 BIC_zzz 00000100 11 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
275 ### SVE Index Generation Group
277 # SVE index generation (immediate start, immediate increment)
278 INDEX_ii 00000100 esz:2 1 imm2:s5 010000 imm1:s5 rd:5
280 # SVE index generation (immediate start, register increment)
281 INDEX_ir 00000100 esz:2 1 rm:5 010010 imm:s5 rd:5
283 # SVE index generation (register start, immediate increment)
284 INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5
286 # SVE index generation (register start, register increment)
287 INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm
289 ### SVE Stack Allocation Group
291 # SVE stack frame adjustment
292 ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6
293 ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6
295 # SVE stack frame size
296 RDVL 00000100 101 11111 01010 imm:s6 rd:5
298 ### SVE Bitwise Shift - Unpredicated Group
300 # SVE bitwise shift by immediate (unpredicated)
301 ASR_zzi 00000100 .. 1 ..... 1001 00 ..... ..... \
302 @rd_rn_tszimm imm=%tszimm16_shr
303 LSR_zzi 00000100 .. 1 ..... 1001 01 ..... ..... \
304 @rd_rn_tszimm imm=%tszimm16_shr
305 LSL_zzi 00000100 .. 1 ..... 1001 11 ..... ..... \
306 @rd_rn_tszimm imm=%tszimm16_shl
308 # SVE bitwise shift by wide elements (unpredicated)
310 ASR_zzw 00000100 .. 1 ..... 1000 00 ..... ..... @rd_rn_rm
311 LSR_zzw 00000100 .. 1 ..... 1000 01 ..... ..... @rd_rn_rm
312 LSL_zzw 00000100 .. 1 ..... 1000 11 ..... ..... @rd_rn_rm
314 ### SVE Compute Vector Address Group
316 # SVE vector address generation
317 ADR_s32 00000100 00 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
318 ADR_u32 00000100 01 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
319 ADR_p32 00000100 10 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
320 ADR_p64 00000100 11 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
322 ### SVE Integer Misc - Unpredicated Group
324 # SVE floating-point exponential accelerator
326 FEXPA 00000100 .. 1 00000 101110 ..... ..... @rd_rn
328 # SVE floating-point trig select coefficient
330 FTSSEL 00000100 .. 1 ..... 101100 ..... ..... @rd_rn_rm
332 ### SVE Element Count Group
335 CNT_r 00000100 .. 10 .... 1110 0 0 ..... ..... @incdec_cnt d=0 u=1
337 # SVE inc/dec register by element count
338 INCDEC_r 00000100 .. 11 .... 1110 0 d:1 ..... ..... @incdec_cnt u=1
340 # SVE saturating inc/dec register by element count
341 SINCDEC_r_32 00000100 .. 10 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
342 SINCDEC_r_64 00000100 .. 11 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
344 # SVE inc/dec vector by element count
345 # Note this requires esz != 0.
346 INCDEC_v 00000100 .. 1 1 .... 1100 0 d:1 ..... ..... @incdec2_cnt u=1
348 # SVE saturating inc/dec vector by element count
349 # Note these require esz != 0.
350 SINCDEC_v 00000100 .. 1 0 .... 1100 d:1 u:1 ..... ..... @incdec2_cnt
352 ### SVE Bitwise Immediate Group
354 # SVE bitwise logical with immediate (unpredicated)
355 ORR_zzi 00000101 00 0000 ............. ..... @rdn_dbm
356 EOR_zzi 00000101 01 0000 ............. ..... @rdn_dbm
357 AND_zzi 00000101 10 0000 ............. ..... @rdn_dbm
359 # SVE broadcast bitmask immediate
360 DUPM 00000101 11 0000 dbm:13 rd:5
362 ### SVE Integer Wide Immediate - Predicated Group
364 # SVE copy floating-point immediate (predicated)
365 FCPY 00000101 .. 01 .... 110 imm:8 ..... @rdn_pg4
367 # SVE copy integer immediate (predicated)
368 CPY_m_i 00000101 .. 01 .... 01 . ........ ..... @rdn_pg4 imm=%sh8_i8s
369 CPY_z_i 00000101 .. 01 .... 00 . ........ ..... @rdn_pg4 imm=%sh8_i8s
371 ### SVE Permute - Extract Group
373 # SVE extract vector (immediate offset)
374 EXT 00000101 001 ..... 000 ... rm:5 rd:5 \
375 &rrri rn=%reg_movprfx imm=%imm8_16_10
377 ### SVE Permute - Unpredicated Group
379 # SVE broadcast general register
380 DUP_s 00000101 .. 1 00000 001110 ..... ..... @rd_rn
382 # SVE broadcast indexed element
383 DUP_x 00000101 .. 1 ..... 001000 rn:5 rd:5 \
386 # SVE insert SIMD&FP scalar register
387 INSR_f 00000101 .. 1 10100 001110 ..... ..... @rdn_rm
389 # SVE insert general register
390 INSR_r 00000101 .. 1 00100 001110 ..... ..... @rdn_rm
392 # SVE reverse vector elements
393 REV_v 00000101 .. 1 11000 001110 ..... ..... @rd_rn
395 # SVE vector table lookup
396 TBL 00000101 .. 1 ..... 001100 ..... ..... @rd_rn_rm
398 # SVE unpack vector elements
399 UNPK 00000101 esz:2 1100 u:1 h:1 001110 rn:5 rd:5
401 ### SVE Permute - Predicates Group
403 # SVE permute predicate elements
404 ZIP1_p 00000101 .. 10 .... 010 000 0 .... 0 .... @pd_pn_pm
405 ZIP2_p 00000101 .. 10 .... 010 001 0 .... 0 .... @pd_pn_pm
406 UZP1_p 00000101 .. 10 .... 010 010 0 .... 0 .... @pd_pn_pm
407 UZP2_p 00000101 .. 10 .... 010 011 0 .... 0 .... @pd_pn_pm
408 TRN1_p 00000101 .. 10 .... 010 100 0 .... 0 .... @pd_pn_pm
409 TRN2_p 00000101 .. 10 .... 010 101 0 .... 0 .... @pd_pn_pm
411 # SVE reverse predicate elements
412 REV_p 00000101 .. 11 0100 010 000 0 .... 0 .... @pd_pn
414 # SVE unpack predicate elements
415 PUNPKLO 00000101 00 11 0000 010 000 0 .... 0 .... @pd_pn_e0
416 PUNPKHI 00000101 00 11 0001 010 000 0 .... 0 .... @pd_pn_e0
418 ### SVE Permute - Interleaving Group
420 # SVE permute vector elements
421 ZIP1_z 00000101 .. 1 ..... 011 000 ..... ..... @rd_rn_rm
422 ZIP2_z 00000101 .. 1 ..... 011 001 ..... ..... @rd_rn_rm
423 UZP1_z 00000101 .. 1 ..... 011 010 ..... ..... @rd_rn_rm
424 UZP2_z 00000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm
425 TRN1_z 00000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm
426 TRN2_z 00000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm
428 ### SVE Permute - Predicated Group
430 # SVE compress active elements
432 COMPACT 00000101 .. 100001 100 ... ..... ..... @rd_pg_rn
434 # SVE conditionally broadcast element to vector
435 CLASTA_z 00000101 .. 10100 0 100 ... ..... ..... @rdn_pg_rm
436 CLASTB_z 00000101 .. 10100 1 100 ... ..... ..... @rdn_pg_rm
438 # SVE conditionally copy element to SIMD&FP scalar
439 CLASTA_v 00000101 .. 10101 0 100 ... ..... ..... @rd_pg_rn
440 CLASTB_v 00000101 .. 10101 1 100 ... ..... ..... @rd_pg_rn
442 # SVE conditionally copy element to general register
443 CLASTA_r 00000101 .. 11000 0 101 ... ..... ..... @rd_pg_rn
444 CLASTB_r 00000101 .. 11000 1 101 ... ..... ..... @rd_pg_rn
446 # SVE copy element to SIMD&FP scalar register
447 LASTA_v 00000101 .. 10001 0 100 ... ..... ..... @rd_pg_rn
448 LASTB_v 00000101 .. 10001 1 100 ... ..... ..... @rd_pg_rn
450 # SVE copy element to general register
451 LASTA_r 00000101 .. 10000 0 101 ... ..... ..... @rd_pg_rn
452 LASTB_r 00000101 .. 10000 1 101 ... ..... ..... @rd_pg_rn
454 # SVE copy element from SIMD&FP scalar register
455 CPY_m_v 00000101 .. 100000 100 ... ..... ..... @rd_pg_rn
457 # SVE copy element from general register to vector (predicated)
458 CPY_m_r 00000101 .. 101000 101 ... ..... ..... @rd_pg_rn
460 # SVE reverse within elements
461 # Note esz >= operation size
462 REVB 00000101 .. 1001 00 100 ... ..... ..... @rd_pg_rn
463 REVH 00000101 .. 1001 01 100 ... ..... ..... @rd_pg_rn
464 REVW 00000101 .. 1001 10 100 ... ..... ..... @rd_pg_rn
465 RBIT 00000101 .. 1001 11 100 ... ..... ..... @rd_pg_rn
467 # SVE vector splice (predicated)
468 SPLICE 00000101 .. 101 100 100 ... ..... ..... @rdn_pg_rm
470 ### SVE Select Vectors Group
472 # SVE select vector elements (predicated)
473 SEL_zpzz 00000101 .. 1 ..... 11 .... ..... ..... @rd_pg4_rn_rm
475 ### SVE Predicate Logical Operations Group
477 # SVE predicate logical operations
478 AND_pppp 00100101 0. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
479 BIC_pppp 00100101 0. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
480 EOR_pppp 00100101 0. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
481 SEL_pppp 00100101 0. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
482 ORR_pppp 00100101 1. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
483 ORN_pppp 00100101 1. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
484 NOR_pppp 00100101 1. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
485 NAND_pppp 00100101 1. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
487 ### SVE Predicate Misc Group
490 PTEST 00100101 01 010000 11 pg:4 0 rn:4 0 0000
492 # SVE predicate initialize
493 PTRUE 00100101 esz:2 01100 s:1 111000 pat:5 0 rd:4
496 SETFFR 00100101 0010 1100 1001 0000 0000 0000
498 # SVE zero predicate register
499 PFALSE 00100101 0001 1000 1110 0100 0000 rd:4
501 # SVE predicate read from FFR (predicated)
502 RDFFR_p 00100101 0 s:1 0110001111000 pg:4 0 rd:4
504 # SVE predicate read from FFR (unpredicated)
505 RDFFR 00100101 0001 1001 1111 0000 0000 rd:4
507 # SVE FFR write from predicate (WRFFR)
508 WRFFR 00100101 0010 1000 1001 000 rn:4 00000
510 # SVE predicate first active
511 PFIRST 00100101 01 011 000 11000 00 .... 0 .... @pd_pn_e0
513 # SVE predicate next active
514 PNEXT 00100101 .. 011 001 11000 10 .... 0 .... @pd_pn
516 ### SVE Memory - 32-bit Gather and Unsized Contiguous Group
518 # SVE load predicate register
519 LDR_pri 10000101 10 ...... 000 ... ..... 0 .... @pd_rn_i9
521 # SVE load vector register
522 LDR_zri 10000101 10 ...... 010 ... ..... ..... @rd_rn_i9