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822 lines
36 KiB
Plaintext
822 lines
36 KiB
Plaintext
# AArch64 SVE instruction descriptions
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#
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# Copyright (c) 2017 Linaro, Ltd
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, see <http://www.gnu.org/licenses/>.
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#
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# This file is processed by scripts/decodetree.py
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#
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###########################################################################
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# Named fields. These are primarily for disjoint fields.
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%imm4_16_p1 16:4 !function=plus1
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%imm6_22_5 22:1 5:5
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%imm7_22_16 22:2 16:5
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%imm8_16_10 16:5 10:3
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%imm9_16_10 16:s6 10:3
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%size_23 23:2
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%dtype_23_13 23:2 13:2
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# A combination of tsz:imm3 -- extract esize.
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%tszimm_esz 22:2 5:5 !function=tszimm_esz
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# A combination of tsz:imm3 -- extract (2 * esize) - (tsz:imm3)
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%tszimm_shr 22:2 5:5 !function=tszimm_shr
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# A combination of tsz:imm3 -- extract (tsz:imm3) - esize
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%tszimm_shl 22:2 5:5 !function=tszimm_shl
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# Similarly for the tszh/tszl pair at 22/16 for zzi
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%tszimm16_esz 22:2 16:5 !function=tszimm_esz
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%tszimm16_shr 22:2 16:5 !function=tszimm_shr
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%tszimm16_shl 22:2 16:5 !function=tszimm_shl
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# Signed 8-bit immediate, optionally shifted left by 8.
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%sh8_i8s 5:9 !function=expand_imm_sh8s
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# Unsigned 8-bit immediate, optionally shifted left by 8.
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%sh8_i8u 5:9 !function=expand_imm_sh8u
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# Unsigned load of msz into esz=2, represented as a dtype.
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%msz_dtype 23:2 !function=msz_dtype
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# Either a copy of rd (at bit 0), or a different source
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# as propagated via the MOVPRFX instruction.
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%reg_movprfx 0:5
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###########################################################################
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# Named attribute sets. These are used to make nice(er) names
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# when creating helpers common to those for the individual
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# instruction patterns.
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&rr_esz rd rn esz
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&rri rd rn imm
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&rr_dbm rd rn dbm
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&rrri rd rn rm imm
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&rri_esz rd rn imm esz
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&rrr_esz rd rn rm esz
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&rpr_esz rd pg rn esz
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&rpr_s rd pg rn s
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&rprr_s rd pg rn rm s
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&rprr_esz rd pg rn rm esz
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&rprrr_esz rd pg rn rm ra esz
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&rpri_esz rd pg rn imm esz
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&ptrue rd esz pat s
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&incdec_cnt rd pat esz imm d u
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&incdec2_cnt rd rn pat esz imm d u
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&incdec_pred rd pg esz d u
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&incdec2_pred rd rn pg esz d u
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&rprr_load rd pg rn rm dtype nreg
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&rpri_load rd pg rn imm dtype nreg
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&rprr_store rd pg rn rm msz esz nreg
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&rpri_store rd pg rn imm msz esz nreg
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###########################################################################
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# Named instruction formats. These are generally used to
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# reduce the amount of duplication between instruction patterns.
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# Two operand with unused vector element size
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@pd_pn_e0 ........ ........ ....... rn:4 . rd:4 &rr_esz esz=0
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@rd_rn ........ esz:2 ...... ...... rn:5 rd:5 &rr_esz
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# Two operand with governing predicate, flags setting
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@pd_pg_pn_s ........ . s:1 ...... .. pg:4 . rn:4 . rd:4 &rpr_s
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# Two operand
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@pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz
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# Three operand with unused vector element size
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@rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0
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# Three predicate operand, with governing predicate, flag setting
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@pd_pg_pn_pm_s ........ . s:1 .. rm:4 .. pg:4 . rn:4 . rd:4 &rprr_s
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# Three operand, vector element size
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@rd_rn_rm ........ esz:2 . rm:5 ... ... rn:5 rd:5 &rrr_esz
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@pd_pn_pm ........ esz:2 .. rm:4 ....... rn:4 . rd:4 &rrr_esz
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@rdn_rm ........ esz:2 ...... ...... rm:5 rd:5 \
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&rrr_esz rn=%reg_movprfx
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@rdn_sh_i8u ........ esz:2 ...... ...... ..... rd:5 \
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&rri_esz rn=%reg_movprfx imm=%sh8_i8u
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@rdn_i8u ........ esz:2 ...... ... imm:8 rd:5 \
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&rri_esz rn=%reg_movprfx
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@rdn_i8s ........ esz:2 ...... ... imm:s8 rd:5 \
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&rri_esz rn=%reg_movprfx
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# Three operand with "memory" size, aka immediate left shift
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@rd_rn_msz_rm ........ ... rm:5 .... imm:2 rn:5 rd:5 &rrri
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# Two register operand, with governing predicate, vector element size
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@rdn_pg_rm ........ esz:2 ... ... ... pg:3 rm:5 rd:5 \
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&rprr_esz rn=%reg_movprfx
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@rdm_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 \
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&rprr_esz rm=%reg_movprfx
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@rd_pg4_rn_rm ........ esz:2 . rm:5 .. pg:4 rn:5 rd:5 &rprr_esz
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@pd_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 . rd:4 &rprr_esz
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# One register operand, with governing predicate, vector element size
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@rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz
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@rd_pg4_pn ........ esz:2 ... ... .. pg:4 . rn:4 rd:5 &rpr_esz
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# One register operand, with governing predicate, no vector element size
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@rd_pg_rn_e0 ........ .. ... ... ... pg:3 rn:5 rd:5 &rpr_esz esz=0
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# Three register operand, with governing predicate, vector element size
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@rda_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 rd:5 \
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&rprrr_esz ra=%reg_movprfx
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@rdn_pg_ra_rm ........ esz:2 . rm:5 ... pg:3 ra:5 rd:5 \
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&rprrr_esz rn=%reg_movprfx
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@rdn_pg_rm_ra ........ esz:2 . ra:5 ... pg:3 rm:5 rd:5 \
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&rprrr_esz rn=%reg_movprfx
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# Two register operands with a 6-bit signed immediate.
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@rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri
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# Two register operand, one immediate operand, with predicate,
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# element size encoded as TSZHL. User must fill in imm.
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@rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \
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&rpri_esz rn=%reg_movprfx esz=%tszimm_esz
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# Similarly without predicate.
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@rd_rn_tszimm ........ .. ... ... ...... rn:5 rd:5 \
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&rri_esz esz=%tszimm16_esz
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# Two register operand, one immediate operand, with 4-bit predicate.
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# User must fill in imm.
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@rdn_pg4 ........ esz:2 .. pg:4 ... ........ rd:5 \
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&rpri_esz rn=%reg_movprfx
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# Two register operand, one encoded bitmask.
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@rdn_dbm ........ .. .... dbm:13 rd:5 \
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&rr_dbm rn=%reg_movprfx
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# Predicate output, vector and immediate input,
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# controlling predicate, element size.
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@pd_pg_rn_i7 ........ esz:2 . imm:7 . pg:3 rn:5 . rd:4 &rpri_esz
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@pd_pg_rn_i5 ........ esz:2 . imm:s5 ... pg:3 rn:5 . rd:4 &rpri_esz
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# Basic Load/Store with 9-bit immediate offset
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@pd_rn_i9 ........ ........ ...... rn:5 . rd:4 \
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&rri imm=%imm9_16_10
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@rd_rn_i9 ........ ........ ...... rn:5 rd:5 \
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&rri imm=%imm9_16_10
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# One register, pattern, and uint4+1.
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# User must fill in U and D.
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@incdec_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
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&incdec_cnt imm=%imm4_16_p1
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@incdec2_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \
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&incdec2_cnt imm=%imm4_16_p1 rn=%reg_movprfx
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# One register, predicate.
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# User must fill in U and D.
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@incdec_pred ........ esz:2 .... .. ..... .. pg:4 rd:5 &incdec_pred
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@incdec2_pred ........ esz:2 .... .. ..... .. pg:4 rd:5 \
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&incdec2_pred rn=%reg_movprfx
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# Loads; user must fill in NREG.
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@rprr_load_dt ....... dtype:4 rm:5 ... pg:3 rn:5 rd:5 &rprr_load
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@rpri_load_dt ....... dtype:4 . imm:s4 ... pg:3 rn:5 rd:5 &rpri_load
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@rprr_load_msz ....... .... rm:5 ... pg:3 rn:5 rd:5 \
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&rprr_load dtype=%msz_dtype
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@rpri_load_msz ....... .... . imm:s4 ... pg:3 rn:5 rd:5 \
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&rpri_load dtype=%msz_dtype
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# Stores; user must fill in ESZ, MSZ, NREG as needed.
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@rprr_store ....... .. .. rm:5 ... pg:3 rn:5 rd:5 &rprr_store
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@rpri_store_msz ....... msz:2 .. . imm:s4 ... pg:3 rn:5 rd:5 &rpri_store
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@rprr_store_esz_n0 ....... .. esz:2 rm:5 ... pg:3 rn:5 rd:5 \
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&rprr_store nreg=0
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###########################################################################
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# Instruction patterns. Grouped according to the SVE encodingindex.xhtml.
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### SVE Integer Arithmetic - Binary Predicated Group
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# SVE bitwise logical vector operations (predicated)
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ORR_zpzz 00000100 .. 011 000 000 ... ..... ..... @rdn_pg_rm
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EOR_zpzz 00000100 .. 011 001 000 ... ..... ..... @rdn_pg_rm
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AND_zpzz 00000100 .. 011 010 000 ... ..... ..... @rdn_pg_rm
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BIC_zpzz 00000100 .. 011 011 000 ... ..... ..... @rdn_pg_rm
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# SVE integer add/subtract vectors (predicated)
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ADD_zpzz 00000100 .. 000 000 000 ... ..... ..... @rdn_pg_rm
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SUB_zpzz 00000100 .. 000 001 000 ... ..... ..... @rdn_pg_rm
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SUB_zpzz 00000100 .. 000 011 000 ... ..... ..... @rdm_pg_rn # SUBR
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# SVE integer min/max/difference (predicated)
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SMAX_zpzz 00000100 .. 001 000 000 ... ..... ..... @rdn_pg_rm
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UMAX_zpzz 00000100 .. 001 001 000 ... ..... ..... @rdn_pg_rm
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SMIN_zpzz 00000100 .. 001 010 000 ... ..... ..... @rdn_pg_rm
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UMIN_zpzz 00000100 .. 001 011 000 ... ..... ..... @rdn_pg_rm
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SABD_zpzz 00000100 .. 001 100 000 ... ..... ..... @rdn_pg_rm
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UABD_zpzz 00000100 .. 001 101 000 ... ..... ..... @rdn_pg_rm
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# SVE integer multiply/divide (predicated)
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MUL_zpzz 00000100 .. 010 000 000 ... ..... ..... @rdn_pg_rm
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SMULH_zpzz 00000100 .. 010 010 000 ... ..... ..... @rdn_pg_rm
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UMULH_zpzz 00000100 .. 010 011 000 ... ..... ..... @rdn_pg_rm
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# Note that divide requires size >= 2; below 2 is unallocated.
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SDIV_zpzz 00000100 .. 010 100 000 ... ..... ..... @rdn_pg_rm
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UDIV_zpzz 00000100 .. 010 101 000 ... ..... ..... @rdn_pg_rm
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SDIV_zpzz 00000100 .. 010 110 000 ... ..... ..... @rdm_pg_rn # SDIVR
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UDIV_zpzz 00000100 .. 010 111 000 ... ..... ..... @rdm_pg_rn # UDIVR
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### SVE Integer Reduction Group
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# SVE bitwise logical reduction (predicated)
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ORV 00000100 .. 011 000 001 ... ..... ..... @rd_pg_rn
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EORV 00000100 .. 011 001 001 ... ..... ..... @rd_pg_rn
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ANDV 00000100 .. 011 010 001 ... ..... ..... @rd_pg_rn
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# SVE integer add reduction (predicated)
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# Note that saddv requires size != 3.
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UADDV 00000100 .. 000 001 001 ... ..... ..... @rd_pg_rn
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SADDV 00000100 .. 000 000 001 ... ..... ..... @rd_pg_rn
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# SVE integer min/max reduction (predicated)
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SMAXV 00000100 .. 001 000 001 ... ..... ..... @rd_pg_rn
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UMAXV 00000100 .. 001 001 001 ... ..... ..... @rd_pg_rn
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SMINV 00000100 .. 001 010 001 ... ..... ..... @rd_pg_rn
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UMINV 00000100 .. 001 011 001 ... ..... ..... @rd_pg_rn
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### SVE Shift by Immediate - Predicated Group
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# SVE bitwise shift by immediate (predicated)
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ASR_zpzi 00000100 .. 000 000 100 ... .. ... ..... \
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@rdn_pg_tszimm imm=%tszimm_shr
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LSR_zpzi 00000100 .. 000 001 100 ... .. ... ..... \
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@rdn_pg_tszimm imm=%tszimm_shr
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LSL_zpzi 00000100 .. 000 011 100 ... .. ... ..... \
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@rdn_pg_tszimm imm=%tszimm_shl
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ASRD 00000100 .. 000 100 100 ... .. ... ..... \
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@rdn_pg_tszimm imm=%tszimm_shr
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# SVE bitwise shift by vector (predicated)
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ASR_zpzz 00000100 .. 010 000 100 ... ..... ..... @rdn_pg_rm
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LSR_zpzz 00000100 .. 010 001 100 ... ..... ..... @rdn_pg_rm
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LSL_zpzz 00000100 .. 010 011 100 ... ..... ..... @rdn_pg_rm
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ASR_zpzz 00000100 .. 010 100 100 ... ..... ..... @rdm_pg_rn # ASRR
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LSR_zpzz 00000100 .. 010 101 100 ... ..... ..... @rdm_pg_rn # LSRR
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LSL_zpzz 00000100 .. 010 111 100 ... ..... ..... @rdm_pg_rn # LSLR
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# SVE bitwise shift by wide elements (predicated)
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# Note these require size != 3.
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ASR_zpzw 00000100 .. 011 000 100 ... ..... ..... @rdn_pg_rm
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LSR_zpzw 00000100 .. 011 001 100 ... ..... ..... @rdn_pg_rm
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LSL_zpzw 00000100 .. 011 011 100 ... ..... ..... @rdn_pg_rm
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### SVE Integer Arithmetic - Unary Predicated Group
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# SVE unary bit operations (predicated)
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# Note esz != 0 for FABS and FNEG.
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CLS 00000100 .. 011 000 101 ... ..... ..... @rd_pg_rn
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CLZ 00000100 .. 011 001 101 ... ..... ..... @rd_pg_rn
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CNT_zpz 00000100 .. 011 010 101 ... ..... ..... @rd_pg_rn
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CNOT 00000100 .. 011 011 101 ... ..... ..... @rd_pg_rn
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NOT_zpz 00000100 .. 011 110 101 ... ..... ..... @rd_pg_rn
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FABS 00000100 .. 011 100 101 ... ..... ..... @rd_pg_rn
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FNEG 00000100 .. 011 101 101 ... ..... ..... @rd_pg_rn
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# SVE integer unary operations (predicated)
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# Note esz > original size for extensions.
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ABS 00000100 .. 010 110 101 ... ..... ..... @rd_pg_rn
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NEG 00000100 .. 010 111 101 ... ..... ..... @rd_pg_rn
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SXTB 00000100 .. 010 000 101 ... ..... ..... @rd_pg_rn
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UXTB 00000100 .. 010 001 101 ... ..... ..... @rd_pg_rn
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SXTH 00000100 .. 010 010 101 ... ..... ..... @rd_pg_rn
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UXTH 00000100 .. 010 011 101 ... ..... ..... @rd_pg_rn
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SXTW 00000100 .. 010 100 101 ... ..... ..... @rd_pg_rn
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UXTW 00000100 .. 010 101 101 ... ..... ..... @rd_pg_rn
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### SVE Integer Multiply-Add Group
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# SVE integer multiply-add writing addend (predicated)
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MLA 00000100 .. 0 ..... 010 ... ..... ..... @rda_pg_rn_rm
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MLS 00000100 .. 0 ..... 011 ... ..... ..... @rda_pg_rn_rm
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# SVE integer multiply-add writing multiplicand (predicated)
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MLA 00000100 .. 0 ..... 110 ... ..... ..... @rdn_pg_ra_rm # MAD
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MLS 00000100 .. 0 ..... 111 ... ..... ..... @rdn_pg_ra_rm # MSB
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### SVE Integer Arithmetic - Unpredicated Group
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# SVE integer add/subtract vectors (unpredicated)
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ADD_zzz 00000100 .. 1 ..... 000 000 ..... ..... @rd_rn_rm
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SUB_zzz 00000100 .. 1 ..... 000 001 ..... ..... @rd_rn_rm
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SQADD_zzz 00000100 .. 1 ..... 000 100 ..... ..... @rd_rn_rm
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UQADD_zzz 00000100 .. 1 ..... 000 101 ..... ..... @rd_rn_rm
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SQSUB_zzz 00000100 .. 1 ..... 000 110 ..... ..... @rd_rn_rm
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UQSUB_zzz 00000100 .. 1 ..... 000 111 ..... ..... @rd_rn_rm
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### SVE Logical - Unpredicated Group
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# SVE bitwise logical operations (unpredicated)
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AND_zzz 00000100 00 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
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ORR_zzz 00000100 01 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
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EOR_zzz 00000100 10 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
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BIC_zzz 00000100 11 1 ..... 001 100 ..... ..... @rd_rn_rm_e0
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### SVE Index Generation Group
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# SVE index generation (immediate start, immediate increment)
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INDEX_ii 00000100 esz:2 1 imm2:s5 010000 imm1:s5 rd:5
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# SVE index generation (immediate start, register increment)
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INDEX_ir 00000100 esz:2 1 rm:5 010010 imm:s5 rd:5
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# SVE index generation (register start, immediate increment)
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INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5
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# SVE index generation (register start, register increment)
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INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm
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### SVE Stack Allocation Group
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# SVE stack frame adjustment
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ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6
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ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6
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# SVE stack frame size
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RDVL 00000100 101 11111 01010 imm:s6 rd:5
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### SVE Bitwise Shift - Unpredicated Group
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# SVE bitwise shift by immediate (unpredicated)
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ASR_zzi 00000100 .. 1 ..... 1001 00 ..... ..... \
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@rd_rn_tszimm imm=%tszimm16_shr
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LSR_zzi 00000100 .. 1 ..... 1001 01 ..... ..... \
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@rd_rn_tszimm imm=%tszimm16_shr
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LSL_zzi 00000100 .. 1 ..... 1001 11 ..... ..... \
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@rd_rn_tszimm imm=%tszimm16_shl
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# SVE bitwise shift by wide elements (unpredicated)
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# Note esz != 3
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ASR_zzw 00000100 .. 1 ..... 1000 00 ..... ..... @rd_rn_rm
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LSR_zzw 00000100 .. 1 ..... 1000 01 ..... ..... @rd_rn_rm
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LSL_zzw 00000100 .. 1 ..... 1000 11 ..... ..... @rd_rn_rm
|
|
|
|
### SVE Compute Vector Address Group
|
|
|
|
# SVE vector address generation
|
|
ADR_s32 00000100 00 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
|
|
ADR_u32 00000100 01 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
|
|
ADR_p32 00000100 10 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
|
|
ADR_p64 00000100 11 1 ..... 1010 .. ..... ..... @rd_rn_msz_rm
|
|
|
|
### SVE Integer Misc - Unpredicated Group
|
|
|
|
# SVE floating-point exponential accelerator
|
|
# Note esz != 0
|
|
FEXPA 00000100 .. 1 00000 101110 ..... ..... @rd_rn
|
|
|
|
# SVE floating-point trig select coefficient
|
|
# Note esz != 0
|
|
FTSSEL 00000100 .. 1 ..... 101100 ..... ..... @rd_rn_rm
|
|
|
|
### SVE Element Count Group
|
|
|
|
# SVE element count
|
|
CNT_r 00000100 .. 10 .... 1110 0 0 ..... ..... @incdec_cnt d=0 u=1
|
|
|
|
# SVE inc/dec register by element count
|
|
INCDEC_r 00000100 .. 11 .... 1110 0 d:1 ..... ..... @incdec_cnt u=1
|
|
|
|
# SVE saturating inc/dec register by element count
|
|
SINCDEC_r_32 00000100 .. 10 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
|
|
SINCDEC_r_64 00000100 .. 11 .... 1111 d:1 u:1 ..... ..... @incdec_cnt
|
|
|
|
# SVE inc/dec vector by element count
|
|
# Note this requires esz != 0.
|
|
INCDEC_v 00000100 .. 1 1 .... 1100 0 d:1 ..... ..... @incdec2_cnt u=1
|
|
|
|
# SVE saturating inc/dec vector by element count
|
|
# Note these require esz != 0.
|
|
SINCDEC_v 00000100 .. 1 0 .... 1100 d:1 u:1 ..... ..... @incdec2_cnt
|
|
|
|
### SVE Bitwise Immediate Group
|
|
|
|
# SVE bitwise logical with immediate (unpredicated)
|
|
ORR_zzi 00000101 00 0000 ............. ..... @rdn_dbm
|
|
EOR_zzi 00000101 01 0000 ............. ..... @rdn_dbm
|
|
AND_zzi 00000101 10 0000 ............. ..... @rdn_dbm
|
|
|
|
# SVE broadcast bitmask immediate
|
|
DUPM 00000101 11 0000 dbm:13 rd:5
|
|
|
|
### SVE Integer Wide Immediate - Predicated Group
|
|
|
|
# SVE copy floating-point immediate (predicated)
|
|
FCPY 00000101 .. 01 .... 110 imm:8 ..... @rdn_pg4
|
|
|
|
# SVE copy integer immediate (predicated)
|
|
CPY_m_i 00000101 .. 01 .... 01 . ........ ..... @rdn_pg4 imm=%sh8_i8s
|
|
CPY_z_i 00000101 .. 01 .... 00 . ........ ..... @rdn_pg4 imm=%sh8_i8s
|
|
|
|
### SVE Permute - Extract Group
|
|
|
|
# SVE extract vector (immediate offset)
|
|
EXT 00000101 001 ..... 000 ... rm:5 rd:5 \
|
|
&rrri rn=%reg_movprfx imm=%imm8_16_10
|
|
|
|
### SVE Permute - Unpredicated Group
|
|
|
|
# SVE broadcast general register
|
|
DUP_s 00000101 .. 1 00000 001110 ..... ..... @rd_rn
|
|
|
|
# SVE broadcast indexed element
|
|
DUP_x 00000101 .. 1 ..... 001000 rn:5 rd:5 \
|
|
&rri imm=%imm7_22_16
|
|
|
|
# SVE insert SIMD&FP scalar register
|
|
INSR_f 00000101 .. 1 10100 001110 ..... ..... @rdn_rm
|
|
|
|
# SVE insert general register
|
|
INSR_r 00000101 .. 1 00100 001110 ..... ..... @rdn_rm
|
|
|
|
# SVE reverse vector elements
|
|
REV_v 00000101 .. 1 11000 001110 ..... ..... @rd_rn
|
|
|
|
# SVE vector table lookup
|
|
TBL 00000101 .. 1 ..... 001100 ..... ..... @rd_rn_rm
|
|
|
|
# SVE unpack vector elements
|
|
UNPK 00000101 esz:2 1100 u:1 h:1 001110 rn:5 rd:5
|
|
|
|
### SVE Permute - Predicates Group
|
|
|
|
# SVE permute predicate elements
|
|
ZIP1_p 00000101 .. 10 .... 010 000 0 .... 0 .... @pd_pn_pm
|
|
ZIP2_p 00000101 .. 10 .... 010 001 0 .... 0 .... @pd_pn_pm
|
|
UZP1_p 00000101 .. 10 .... 010 010 0 .... 0 .... @pd_pn_pm
|
|
UZP2_p 00000101 .. 10 .... 010 011 0 .... 0 .... @pd_pn_pm
|
|
TRN1_p 00000101 .. 10 .... 010 100 0 .... 0 .... @pd_pn_pm
|
|
TRN2_p 00000101 .. 10 .... 010 101 0 .... 0 .... @pd_pn_pm
|
|
|
|
# SVE reverse predicate elements
|
|
REV_p 00000101 .. 11 0100 010 000 0 .... 0 .... @pd_pn
|
|
|
|
# SVE unpack predicate elements
|
|
PUNPKLO 00000101 00 11 0000 010 000 0 .... 0 .... @pd_pn_e0
|
|
PUNPKHI 00000101 00 11 0001 010 000 0 .... 0 .... @pd_pn_e0
|
|
|
|
### SVE Permute - Interleaving Group
|
|
|
|
# SVE permute vector elements
|
|
ZIP1_z 00000101 .. 1 ..... 011 000 ..... ..... @rd_rn_rm
|
|
ZIP2_z 00000101 .. 1 ..... 011 001 ..... ..... @rd_rn_rm
|
|
UZP1_z 00000101 .. 1 ..... 011 010 ..... ..... @rd_rn_rm
|
|
UZP2_z 00000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm
|
|
TRN1_z 00000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm
|
|
TRN2_z 00000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm
|
|
|
|
### SVE Permute - Predicated Group
|
|
|
|
# SVE compress active elements
|
|
# Note esz >= 2
|
|
COMPACT 00000101 .. 100001 100 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE conditionally broadcast element to vector
|
|
CLASTA_z 00000101 .. 10100 0 100 ... ..... ..... @rdn_pg_rm
|
|
CLASTB_z 00000101 .. 10100 1 100 ... ..... ..... @rdn_pg_rm
|
|
|
|
# SVE conditionally copy element to SIMD&FP scalar
|
|
CLASTA_v 00000101 .. 10101 0 100 ... ..... ..... @rd_pg_rn
|
|
CLASTB_v 00000101 .. 10101 1 100 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE conditionally copy element to general register
|
|
CLASTA_r 00000101 .. 11000 0 101 ... ..... ..... @rd_pg_rn
|
|
CLASTB_r 00000101 .. 11000 1 101 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE copy element to SIMD&FP scalar register
|
|
LASTA_v 00000101 .. 10001 0 100 ... ..... ..... @rd_pg_rn
|
|
LASTB_v 00000101 .. 10001 1 100 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE copy element to general register
|
|
LASTA_r 00000101 .. 10000 0 101 ... ..... ..... @rd_pg_rn
|
|
LASTB_r 00000101 .. 10000 1 101 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE copy element from SIMD&FP scalar register
|
|
CPY_m_v 00000101 .. 100000 100 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE copy element from general register to vector (predicated)
|
|
CPY_m_r 00000101 .. 101000 101 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE reverse within elements
|
|
# Note esz >= operation size
|
|
REVB 00000101 .. 1001 00 100 ... ..... ..... @rd_pg_rn
|
|
REVH 00000101 .. 1001 01 100 ... ..... ..... @rd_pg_rn
|
|
REVW 00000101 .. 1001 10 100 ... ..... ..... @rd_pg_rn
|
|
RBIT 00000101 .. 1001 11 100 ... ..... ..... @rd_pg_rn
|
|
|
|
# SVE vector splice (predicated)
|
|
SPLICE 00000101 .. 101 100 100 ... ..... ..... @rdn_pg_rm
|
|
|
|
### SVE Select Vectors Group
|
|
|
|
# SVE select vector elements (predicated)
|
|
SEL_zpzz 00000101 .. 1 ..... 11 .... ..... ..... @rd_pg4_rn_rm
|
|
|
|
### SVE Integer Compare - Vectors Group
|
|
|
|
# SVE integer compare_vectors
|
|
CMPHS_ppzz 00100100 .. 0 ..... 000 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPHI_ppzz 00100100 .. 0 ..... 000 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPGE_ppzz 00100100 .. 0 ..... 100 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPGT_ppzz 00100100 .. 0 ..... 100 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPEQ_ppzz 00100100 .. 0 ..... 101 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPNE_ppzz 00100100 .. 0 ..... 101 ... ..... 1 .... @pd_pg_rn_rm
|
|
|
|
# SVE integer compare with wide elements
|
|
# Note these require esz != 3.
|
|
CMPEQ_ppzw 00100100 .. 0 ..... 001 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPNE_ppzw 00100100 .. 0 ..... 001 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPGE_ppzw 00100100 .. 0 ..... 010 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPGT_ppzw 00100100 .. 0 ..... 010 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPLT_ppzw 00100100 .. 0 ..... 011 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPLE_ppzw 00100100 .. 0 ..... 011 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPHS_ppzw 00100100 .. 0 ..... 110 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPHI_ppzw 00100100 .. 0 ..... 110 ... ..... 1 .... @pd_pg_rn_rm
|
|
CMPLO_ppzw 00100100 .. 0 ..... 111 ... ..... 0 .... @pd_pg_rn_rm
|
|
CMPLS_ppzw 00100100 .. 0 ..... 111 ... ..... 1 .... @pd_pg_rn_rm
|
|
|
|
### SVE Integer Compare - Unsigned Immediate Group
|
|
|
|
# SVE integer compare with unsigned immediate
|
|
CMPHS_ppzi 00100100 .. 1 ....... 0 ... ..... 0 .... @pd_pg_rn_i7
|
|
CMPHI_ppzi 00100100 .. 1 ....... 0 ... ..... 1 .... @pd_pg_rn_i7
|
|
CMPLO_ppzi 00100100 .. 1 ....... 1 ... ..... 0 .... @pd_pg_rn_i7
|
|
CMPLS_ppzi 00100100 .. 1 ....... 1 ... ..... 1 .... @pd_pg_rn_i7
|
|
|
|
### SVE Integer Compare - Signed Immediate Group
|
|
|
|
# SVE integer compare with signed immediate
|
|
CMPGE_ppzi 00100101 .. 0 ..... 000 ... ..... 0 .... @pd_pg_rn_i5
|
|
CMPGT_ppzi 00100101 .. 0 ..... 000 ... ..... 1 .... @pd_pg_rn_i5
|
|
CMPLT_ppzi 00100101 .. 0 ..... 001 ... ..... 0 .... @pd_pg_rn_i5
|
|
CMPLE_ppzi 00100101 .. 0 ..... 001 ... ..... 1 .... @pd_pg_rn_i5
|
|
CMPEQ_ppzi 00100101 .. 0 ..... 100 ... ..... 0 .... @pd_pg_rn_i5
|
|
CMPNE_ppzi 00100101 .. 0 ..... 100 ... ..... 1 .... @pd_pg_rn_i5
|
|
|
|
### SVE Predicate Logical Operations Group
|
|
|
|
# SVE predicate logical operations
|
|
AND_pppp 00100101 0. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
|
|
BIC_pppp 00100101 0. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
|
|
EOR_pppp 00100101 0. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
|
|
SEL_pppp 00100101 0. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
|
|
ORR_pppp 00100101 1. 00 .... 01 .... 0 .... 0 .... @pd_pg_pn_pm_s
|
|
ORN_pppp 00100101 1. 00 .... 01 .... 0 .... 1 .... @pd_pg_pn_pm_s
|
|
NOR_pppp 00100101 1. 00 .... 01 .... 1 .... 0 .... @pd_pg_pn_pm_s
|
|
NAND_pppp 00100101 1. 00 .... 01 .... 1 .... 1 .... @pd_pg_pn_pm_s
|
|
|
|
### SVE Predicate Misc Group
|
|
|
|
# SVE predicate test
|
|
PTEST 00100101 01 010000 11 pg:4 0 rn:4 0 0000
|
|
|
|
# SVE predicate initialize
|
|
PTRUE 00100101 esz:2 01100 s:1 111000 pat:5 0 rd:4
|
|
|
|
# SVE initialize FFR
|
|
SETFFR 00100101 0010 1100 1001 0000 0000 0000
|
|
|
|
# SVE zero predicate register
|
|
PFALSE 00100101 0001 1000 1110 0100 0000 rd:4
|
|
|
|
# SVE predicate read from FFR (predicated)
|
|
RDFFR_p 00100101 0 s:1 0110001111000 pg:4 0 rd:4
|
|
|
|
# SVE predicate read from FFR (unpredicated)
|
|
RDFFR 00100101 0001 1001 1111 0000 0000 rd:4
|
|
|
|
# SVE FFR write from predicate (WRFFR)
|
|
WRFFR 00100101 0010 1000 1001 000 rn:4 00000
|
|
|
|
# SVE predicate first active
|
|
PFIRST 00100101 01 011 000 11000 00 .... 0 .... @pd_pn_e0
|
|
|
|
# SVE predicate next active
|
|
PNEXT 00100101 .. 011 001 11000 10 .... 0 .... @pd_pn
|
|
|
|
### SVE Partition Break Group
|
|
|
|
# SVE propagate break from previous partition
|
|
BRKPA 00100101 0. 00 .... 11 .... 0 .... 0 .... @pd_pg_pn_pm_s
|
|
BRKPB 00100101 0. 00 .... 11 .... 0 .... 1 .... @pd_pg_pn_pm_s
|
|
|
|
# SVE partition break condition
|
|
BRKA_z 00100101 0. 01000001 .... 0 .... 0 .... @pd_pg_pn_s
|
|
BRKB_z 00100101 1. 01000001 .... 0 .... 0 .... @pd_pg_pn_s
|
|
BRKA_m 00100101 0. 01000001 .... 0 .... 1 .... @pd_pg_pn_s
|
|
BRKB_m 00100101 1. 01000001 .... 0 .... 1 .... @pd_pg_pn_s
|
|
|
|
# SVE propagate break to next partition
|
|
BRKN 00100101 0. 01100001 .... 0 .... 0 .... @pd_pg_pn_s
|
|
|
|
### SVE Predicate Count Group
|
|
|
|
# SVE predicate count
|
|
CNTP 00100101 .. 100 000 10 .... 0 .... ..... @rd_pg4_pn
|
|
|
|
# SVE inc/dec register by predicate count
|
|
INCDECP_r 00100101 .. 10110 d:1 10001 00 .... ..... @incdec_pred u=1
|
|
|
|
# SVE inc/dec vector by predicate count
|
|
INCDECP_z 00100101 .. 10110 d:1 10000 00 .... ..... @incdec2_pred u=1
|
|
|
|
# SVE saturating inc/dec register by predicate count
|
|
SINCDECP_r_32 00100101 .. 1010 d:1 u:1 10001 00 .... ..... @incdec_pred
|
|
SINCDECP_r_64 00100101 .. 1010 d:1 u:1 10001 10 .... ..... @incdec_pred
|
|
|
|
# SVE saturating inc/dec vector by predicate count
|
|
SINCDECP_z 00100101 .. 1010 d:1 u:1 10000 00 .... ..... @incdec2_pred
|
|
|
|
### SVE Integer Compare - Scalars Group
|
|
|
|
# SVE conditionally terminate scalars
|
|
CTERM 00100101 1 sf:1 1 rm:5 001000 rn:5 ne:1 0000
|
|
|
|
# SVE integer compare scalar count and limit
|
|
WHILE 00100101 esz:2 1 rm:5 000 sf:1 u:1 1 rn:5 eq:1 rd:4
|
|
|
|
### SVE Integer Wide Immediate - Unpredicated Group
|
|
|
|
# SVE broadcast floating-point immediate (unpredicated)
|
|
FDUP 00100101 esz:2 111 00 1110 imm:8 rd:5
|
|
|
|
# SVE broadcast integer immediate (unpredicated)
|
|
DUP_i 00100101 esz:2 111 00 011 . ........ rd:5 imm=%sh8_i8s
|
|
|
|
# SVE integer add/subtract immediate (unpredicated)
|
|
ADD_zzi 00100101 .. 100 000 11 . ........ ..... @rdn_sh_i8u
|
|
SUB_zzi 00100101 .. 100 001 11 . ........ ..... @rdn_sh_i8u
|
|
SUBR_zzi 00100101 .. 100 011 11 . ........ ..... @rdn_sh_i8u
|
|
SQADD_zzi 00100101 .. 100 100 11 . ........ ..... @rdn_sh_i8u
|
|
UQADD_zzi 00100101 .. 100 101 11 . ........ ..... @rdn_sh_i8u
|
|
SQSUB_zzi 00100101 .. 100 110 11 . ........ ..... @rdn_sh_i8u
|
|
UQSUB_zzi 00100101 .. 100 111 11 . ........ ..... @rdn_sh_i8u
|
|
|
|
# SVE integer min/max immediate (unpredicated)
|
|
SMAX_zzi 00100101 .. 101 000 110 ........ ..... @rdn_i8s
|
|
UMAX_zzi 00100101 .. 101 001 110 ........ ..... @rdn_i8u
|
|
SMIN_zzi 00100101 .. 101 010 110 ........ ..... @rdn_i8s
|
|
UMIN_zzi 00100101 .. 101 011 110 ........ ..... @rdn_i8u
|
|
|
|
# SVE integer multiply immediate (unpredicated)
|
|
MUL_zzi 00100101 .. 110 000 110 ........ ..... @rdn_i8s
|
|
|
|
### SVE FP Accumulating Reduction Group
|
|
|
|
# SVE floating-point serial reduction (predicated)
|
|
FADDA 01100101 .. 011 000 001 ... ..... ..... @rdn_pg_rm
|
|
|
|
### SVE Floating Point Arithmetic - Unpredicated Group
|
|
|
|
# SVE floating-point arithmetic (unpredicated)
|
|
FADD_zzz 01100101 .. 0 ..... 000 000 ..... ..... @rd_rn_rm
|
|
FSUB_zzz 01100101 .. 0 ..... 000 001 ..... ..... @rd_rn_rm
|
|
FMUL_zzz 01100101 .. 0 ..... 000 010 ..... ..... @rd_rn_rm
|
|
FTSMUL 01100101 .. 0 ..... 000 011 ..... ..... @rd_rn_rm
|
|
FRECPS 01100101 .. 0 ..... 000 110 ..... ..... @rd_rn_rm
|
|
FRSQRTS 01100101 .. 0 ..... 000 111 ..... ..... @rd_rn_rm
|
|
|
|
### SVE FP Arithmetic Predicated Group
|
|
|
|
# SVE floating-point arithmetic (predicated)
|
|
FADD_zpzz 01100101 .. 00 0000 100 ... ..... ..... @rdn_pg_rm
|
|
FSUB_zpzz 01100101 .. 00 0001 100 ... ..... ..... @rdn_pg_rm
|
|
FMUL_zpzz 01100101 .. 00 0010 100 ... ..... ..... @rdn_pg_rm
|
|
FSUB_zpzz 01100101 .. 00 0011 100 ... ..... ..... @rdm_pg_rn # FSUBR
|
|
FMAXNM_zpzz 01100101 .. 00 0100 100 ... ..... ..... @rdn_pg_rm
|
|
FMINNM_zpzz 01100101 .. 00 0101 100 ... ..... ..... @rdn_pg_rm
|
|
FMAX_zpzz 01100101 .. 00 0110 100 ... ..... ..... @rdn_pg_rm
|
|
FMIN_zpzz 01100101 .. 00 0111 100 ... ..... ..... @rdn_pg_rm
|
|
FABD 01100101 .. 00 1000 100 ... ..... ..... @rdn_pg_rm
|
|
FSCALE 01100101 .. 00 1001 100 ... ..... ..... @rdn_pg_rm
|
|
FMULX 01100101 .. 00 1010 100 ... ..... ..... @rdn_pg_rm
|
|
FDIV 01100101 .. 00 1100 100 ... ..... ..... @rdm_pg_rn # FDIVR
|
|
FDIV 01100101 .. 00 1101 100 ... ..... ..... @rdn_pg_rm
|
|
|
|
### SVE FP Multiply-Add Group
|
|
|
|
# SVE floating-point multiply-accumulate writing addend
|
|
FMLA_zpzzz 01100101 .. 1 ..... 000 ... ..... ..... @rda_pg_rn_rm
|
|
FMLS_zpzzz 01100101 .. 1 ..... 001 ... ..... ..... @rda_pg_rn_rm
|
|
FNMLA_zpzzz 01100101 .. 1 ..... 010 ... ..... ..... @rda_pg_rn_rm
|
|
FNMLS_zpzzz 01100101 .. 1 ..... 011 ... ..... ..... @rda_pg_rn_rm
|
|
|
|
# SVE floating-point multiply-accumulate writing multiplicand
|
|
# Alter the operand extraction order and reuse the helpers from above.
|
|
# FMAD, FMSB, FNMAD, FNMS
|
|
FMLA_zpzzz 01100101 .. 1 ..... 100 ... ..... ..... @rdn_pg_rm_ra
|
|
FMLS_zpzzz 01100101 .. 1 ..... 101 ... ..... ..... @rdn_pg_rm_ra
|
|
FNMLA_zpzzz 01100101 .. 1 ..... 110 ... ..... ..... @rdn_pg_rm_ra
|
|
FNMLS_zpzzz 01100101 .. 1 ..... 111 ... ..... ..... @rdn_pg_rm_ra
|
|
|
|
### SVE FP Unary Operations Predicated Group
|
|
|
|
# SVE integer convert to floating-point
|
|
SCVTF_hh 01100101 01 010 01 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_sh 01100101 01 010 10 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_dh 01100101 01 010 11 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_ss 01100101 10 010 10 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_sd 01100101 11 010 00 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_ds 01100101 11 010 10 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
SCVTF_dd 01100101 11 010 11 0 101 ... ..... ..... @rd_pg_rn_e0
|
|
|
|
UCVTF_hh 01100101 01 010 01 1 101 ... ..... ..... @rd_pg_rn_e0
|
|
UCVTF_sh 01100101 01 010 10 1 101 ... ..... ..... @rd_pg_rn_e0
|
|
UCVTF_dh 01100101 01 010 11 1 101 ... ..... ..... @rd_pg_rn_e0
|
|
UCVTF_ss 01100101 10 010 10 1 101 ... ..... ..... @rd_pg_rn_e0
|
|
UCVTF_sd 01100101 11 010 00 1 101 ... ..... ..... @rd_pg_rn_e0
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UCVTF_ds 01100101 11 010 10 1 101 ... ..... ..... @rd_pg_rn_e0
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UCVTF_dd 01100101 11 010 11 1 101 ... ..... ..... @rd_pg_rn_e0
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### SVE Memory - 32-bit Gather and Unsized Contiguous Group
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# SVE load predicate register
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LDR_pri 10000101 10 ...... 000 ... ..... 0 .... @pd_rn_i9
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# SVE load vector register
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LDR_zri 10000101 10 ...... 010 ... ..... ..... @rd_rn_i9
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# SVE load and broadcast element
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LD1R_zpri 1000010 .. 1 imm:6 1.. pg:3 rn:5 rd:5 \
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&rpri_load dtype=%dtype_23_13 nreg=0
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### SVE Memory Contiguous Load Group
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# SVE contiguous load (scalar plus scalar)
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LD_zprr 1010010 .... ..... 010 ... ..... ..... @rprr_load_dt nreg=0
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# SVE contiguous first-fault load (scalar plus scalar)
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LDFF1_zprr 1010010 .... ..... 011 ... ..... ..... @rprr_load_dt nreg=0
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# SVE contiguous load (scalar plus immediate)
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LD_zpri 1010010 .... 0.... 101 ... ..... ..... @rpri_load_dt nreg=0
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# SVE contiguous non-fault load (scalar plus immediate)
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LDNF1_zpri 1010010 .... 1.... 101 ... ..... ..... @rpri_load_dt nreg=0
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# SVE contiguous non-temporal load (scalar plus scalar)
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# LDNT1B, LDNT1H, LDNT1W, LDNT1D
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# SVE load multiple structures (scalar plus scalar)
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# LD2B, LD2H, LD2W, LD2D; etc.
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LD_zprr 1010010 .. nreg:2 ..... 110 ... ..... ..... @rprr_load_msz
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# SVE contiguous non-temporal load (scalar plus immediate)
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# LDNT1B, LDNT1H, LDNT1W, LDNT1D
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# SVE load multiple structures (scalar plus immediate)
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# LD2B, LD2H, LD2W, LD2D; etc.
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LD_zpri 1010010 .. nreg:2 0.... 111 ... ..... ..... @rpri_load_msz
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# SVE load and broadcast quadword (scalar plus scalar)
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LD1RQ_zprr 1010010 .. 00 ..... 000 ... ..... ..... \
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@rprr_load_msz nreg=0
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# SVE load and broadcast quadword (scalar plus immediate)
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# LD1RQB, LD1RQH, LD1RQS, LD1RQD
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LD1RQ_zpri 1010010 .. 00 0.... 001 ... ..... ..... \
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@rpri_load_msz nreg=0
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### SVE Memory Store Group
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# SVE contiguous store (scalar plus immediate)
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# ST1B, ST1H, ST1W, ST1D; require msz <= esz
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ST_zpri 1110010 .. esz:2 0.... 111 ... ..... ..... \
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@rpri_store_msz nreg=0
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# SVE contiguous store (scalar plus scalar)
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# ST1B, ST1H, ST1W, ST1D; require msz <= esz
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# Enumerate msz lest we conflict with STR_zri.
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ST_zprr 1110010 00 .. ..... 010 ... ..... ..... \
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@rprr_store_esz_n0 msz=0
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ST_zprr 1110010 01 .. ..... 010 ... ..... ..... \
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@rprr_store_esz_n0 msz=1
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ST_zprr 1110010 10 .. ..... 010 ... ..... ..... \
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@rprr_store_esz_n0 msz=2
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ST_zprr 1110010 11 11 ..... 010 ... ..... ..... \
|
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@rprr_store msz=3 esz=3 nreg=0
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# SVE contiguous non-temporal store (scalar plus immediate) (nreg == 0)
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# SVE store multiple structures (scalar plus immediate) (nreg != 0)
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ST_zpri 1110010 .. nreg:2 1.... 111 ... ..... ..... \
|
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@rpri_store_msz esz=%size_23
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# SVE contiguous non-temporal store (scalar plus scalar) (nreg == 0)
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# SVE store multiple structures (scalar plus scalar) (nreg != 0)
|
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ST_zprr 1110010 msz:2 nreg:2 ..... 011 ... ..... ..... \
|
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@rprr_store esz=%size_23
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