# AArch64 SVE instruction descriptions # # Copyright (c) 2017 Linaro, Ltd # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, see . # # This file is processed by scripts/decodetree.py # ########################################################################### # Named fields. These are primarily for disjoint fields. %imm4_16_p1 16:4 !function=plus1 %imm6_22_5 22:1 5:5 %imm7_22_16 22:2 16:5 %imm8_16_10 16:5 10:3 %imm9_16_10 16:s6 10:3 %size_23 23:2 # A combination of tsz:imm3 -- extract esize. %tszimm_esz 22:2 5:5 !function=tszimm_esz # A combination of tsz:imm3 -- extract (2 * esize) - (tsz:imm3) %tszimm_shr 22:2 5:5 !function=tszimm_shr # A combination of tsz:imm3 -- extract (tsz:imm3) - esize %tszimm_shl 22:2 5:5 !function=tszimm_shl # Similarly for the tszh/tszl pair at 22/16 for zzi %tszimm16_esz 22:2 16:5 !function=tszimm_esz %tszimm16_shr 22:2 16:5 !function=tszimm_shr %tszimm16_shl 22:2 16:5 !function=tszimm_shl # Signed 8-bit immediate, optionally shifted left by 8. %sh8_i8s 5:9 !function=expand_imm_sh8s # Unsigned 8-bit immediate, optionally shifted left by 8. %sh8_i8u 5:9 !function=expand_imm_sh8u # Unsigned load of msz into esz=2, represented as a dtype. %msz_dtype 23:2 !function=msz_dtype # Either a copy of rd (at bit 0), or a different source # as propagated via the MOVPRFX instruction. %reg_movprfx 0:5 ########################################################################### # Named attribute sets. These are used to make nice(er) names # when creating helpers common to those for the individual # instruction patterns. &rr_esz rd rn esz &rri rd rn imm &rr_dbm rd rn dbm &rrri rd rn rm imm &rri_esz rd rn imm esz &rrr_esz rd rn rm esz &rpr_esz rd pg rn esz &rpr_s rd pg rn s &rprr_s rd pg rn rm s &rprr_esz rd pg rn rm esz &rprrr_esz rd pg rn rm ra esz &rpri_esz rd pg rn imm esz &ptrue rd esz pat s &incdec_cnt rd pat esz imm d u &incdec2_cnt rd rn pat esz imm d u &incdec_pred rd pg esz d u &incdec2_pred rd rn pg esz d u &rprr_load rd pg rn rm dtype nreg &rpri_load rd pg rn imm dtype nreg &rprr_store rd pg rn rm msz esz nreg &rpri_store rd pg rn imm msz esz nreg ########################################################################### # Named instruction formats. These are generally used to # reduce the amount of duplication between instruction patterns. # Two operand with unused vector element size @pd_pn_e0 ........ ........ ....... rn:4 . rd:4 &rr_esz esz=0 # Two operand @pd_pn ........ esz:2 .. .... ....... rn:4 . rd:4 &rr_esz @rd_rn ........ esz:2 ...... ...... rn:5 rd:5 &rr_esz # Two operand with governing predicate, flags setting @pd_pg_pn_s ........ . s:1 ...... .. pg:4 . rn:4 . rd:4 &rpr_s # Three operand with unused vector element size @rd_rn_rm_e0 ........ ... rm:5 ... ... rn:5 rd:5 &rrr_esz esz=0 # Three predicate operand, with governing predicate, flag setting @pd_pg_pn_pm_s ........ . s:1 .. rm:4 .. pg:4 . rn:4 . rd:4 &rprr_s # Three operand, vector element size @rd_rn_rm ........ esz:2 . rm:5 ... ... rn:5 rd:5 &rrr_esz @pd_pn_pm ........ esz:2 .. rm:4 ....... rn:4 . rd:4 &rrr_esz @rdn_rm ........ esz:2 ...... ...... rm:5 rd:5 \ &rrr_esz rn=%reg_movprfx @rdn_sh_i8u ........ esz:2 ...... ...... ..... rd:5 \ &rri_esz rn=%reg_movprfx imm=%sh8_i8u @rdn_i8u ........ esz:2 ...... ... imm:8 rd:5 \ &rri_esz rn=%reg_movprfx @rdn_i8s ........ esz:2 ...... ... imm:s8 rd:5 \ &rri_esz rn=%reg_movprfx # Three operand with "memory" size, aka immediate left shift @rd_rn_msz_rm ........ ... rm:5 .... imm:2 rn:5 rd:5 &rrri # Two register operand, with governing predicate, vector element size @rdn_pg_rm ........ esz:2 ... ... ... pg:3 rm:5 rd:5 \ &rprr_esz rn=%reg_movprfx @rdm_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 \ &rprr_esz rm=%reg_movprfx @rd_pg4_rn_rm ........ esz:2 . rm:5 .. pg:4 rn:5 rd:5 &rprr_esz @pd_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 . rd:4 &rprr_esz # Three register operand, with governing predicate, vector element size @rda_pg_rn_rm ........ esz:2 . rm:5 ... pg:3 rn:5 rd:5 \ &rprrr_esz ra=%reg_movprfx @rdn_pg_ra_rm ........ esz:2 . rm:5 ... pg:3 ra:5 rd:5 \ &rprrr_esz rn=%reg_movprfx @rdn_pg_rm_ra ........ esz:2 . ra:5 ... pg:3 rm:5 rd:5 \ &rprrr_esz rn=%reg_movprfx # One register operand, with governing predicate, vector element size @rd_pg_rn ........ esz:2 ... ... ... pg:3 rn:5 rd:5 &rpr_esz @rd_pg4_pn ........ esz:2 ... ... .. pg:4 . rn:4 rd:5 &rpr_esz # One register operand, with governing predicate, no vector element size @rd_pg_rn_e0 ........ .. ... ... ... pg:3 rn:5 rd:5 &rpr_esz esz=0 # Two register operands with a 6-bit signed immediate. @rd_rn_i6 ........ ... rn:5 ..... imm:s6 rd:5 &rri # Two register operand, one immediate operand, with predicate, # element size encoded as TSZHL. User must fill in imm. @rdn_pg_tszimm ........ .. ... ... ... pg:3 ..... rd:5 \ &rpri_esz rn=%reg_movprfx esz=%tszimm_esz # Similarly without predicate. @rd_rn_tszimm ........ .. ... ... ...... rn:5 rd:5 \ &rri_esz esz=%tszimm16_esz # Two register operand, one immediate operand, with 4-bit predicate. # User must fill in imm. @rdn_pg4 ........ esz:2 .. pg:4 ... ........ rd:5 \ &rpri_esz rn=%reg_movprfx # Two register operand, one encoded bitmask. @rdn_dbm ........ .. .... dbm:13 rd:5 \ &rr_dbm rn=%reg_movprfx # Predicate output, vector and immediate input, # controlling predicate, element size. @pd_pg_rn_i7 ........ esz:2 . imm:7 . pg:3 rn:5 . rd:4 &rpri_esz @pd_pg_rn_i5 ........ esz:2 . imm:s5 ... pg:3 rn:5 . rd:4 &rpri_esz # Basic Load/Store with 9-bit immediate offset @pd_rn_i9 ........ ........ ...... rn:5 . rd:4 \ &rri imm=%imm9_16_10 @rd_rn_i9 ........ ........ ...... rn:5 rd:5 \ &rri imm=%imm9_16_10 # One register, pattern, and uint4+1. # User must fill in U and D. @incdec_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \ &incdec_cnt imm=%imm4_16_p1 @incdec2_cnt ........ esz:2 .. .... ...... pat:5 rd:5 \ &incdec2_cnt imm=%imm4_16_p1 rn=%reg_movprfx # One register, predicate. # User must fill in U and D. @incdec_pred ........ esz:2 .... .. ..... .. pg:4 rd:5 &incdec_pred @incdec2_pred ........ esz:2 .... .. ..... .. pg:4 rd:5 \ &incdec2_pred rn=%reg_movprfx # Loads; user must fill in NREG. @rprr_load_dt ....... dtype:4 rm:5 ... pg:3 rn:5 rd:5 &rprr_load @rpri_load_dt ....... dtype:4 . imm:s4 ... pg:3 rn:5 rd:5 &rpri_load @rprr_load_msz ....... .... rm:5 ... pg:3 rn:5 rd:5 \ &rprr_load dtype=%msz_dtype @rpri_load_msz ....... .... . imm:s4 ... pg:3 rn:5 rd:5 \ &rpri_load dtype=%msz_dtype # Stores; user must fill in ESZ, MSZ, NREG as needed. @rprr_store ....... .. .. rm:5 ... pg:3 rn:5 rd:5 &rprr_store @rpri_store_msz ....... msz:2 .. . imm:s4 ... pg:3 rn:5 rd:5 &rpri_store @rprr_store_esz_n0 ....... .. esz:2 rm:5 ... pg:3 rn:5 rd:5 \ &rprr_store nreg=0 ########################################################################### # Instruction patterns. Grouped according to the SVE encodingindex.xhtml. ### SVE Integer Arithmetic - Binary Predicated Group # SVE bitwise logical vector operations (predicated) ORR_zpzz 00000100 .. 011 000 000 ... ..... ..... @rdn_pg_rm EOR_zpzz 00000100 .. 011 001 000 ... ..... ..... @rdn_pg_rm AND_zpzz 00000100 .. 011 010 000 ... ..... ..... @rdn_pg_rm BIC_zpzz 00000100 .. 011 011 000 ... ..... ..... @rdn_pg_rm # SVE integer add/subtract vectors (predicated) ADD_zpzz 00000100 .. 000 000 000 ... ..... ..... @rdn_pg_rm SUB_zpzz 00000100 .. 000 001 000 ... ..... ..... @rdn_pg_rm SUB_zpzz 00000100 .. 000 011 000 ... ..... ..... @rdm_pg_rn # SUBR # SVE integer min/max/difference (predicated) SMAX_zpzz 00000100 .. 001 000 000 ... ..... ..... @rdn_pg_rm UMAX_zpzz 00000100 .. 001 001 000 ... ..... ..... @rdn_pg_rm SMIN_zpzz 00000100 .. 001 010 000 ... ..... ..... @rdn_pg_rm UMIN_zpzz 00000100 .. 001 011 000 ... ..... ..... @rdn_pg_rm SABD_zpzz 00000100 .. 001 100 000 ... ..... ..... @rdn_pg_rm UABD_zpzz 00000100 .. 001 101 000 ... ..... ..... @rdn_pg_rm # SVE integer multiply/divide (predicated) MUL_zpzz 00000100 .. 010 000 000 ... ..... ..... @rdn_pg_rm SMULH_zpzz 00000100 .. 010 010 000 ... ..... ..... @rdn_pg_rm UMULH_zpzz 00000100 .. 010 011 000 ... ..... ..... @rdn_pg_rm # Note that divide requires size >= 2; below 2 is unallocated. SDIV_zpzz 00000100 .. 010 100 000 ... ..... ..... @rdn_pg_rm UDIV_zpzz 00000100 .. 010 101 000 ... ..... ..... @rdn_pg_rm SDIV_zpzz 00000100 .. 010 110 000 ... ..... ..... @rdm_pg_rn # SDIVR UDIV_zpzz 00000100 .. 010 111 000 ... ..... ..... @rdm_pg_rn # UDIVR ### SVE Integer Reduction Group # SVE bitwise logical reduction (predicated) ORV 00000100 .. 011 000 001 ... ..... ..... @rd_pg_rn EORV 00000100 .. 011 001 001 ... ..... ..... @rd_pg_rn ANDV 00000100 .. 011 010 001 ... ..... ..... @rd_pg_rn # SVE integer add reduction (predicated) # Note that saddv requires size != 3. UADDV 00000100 .. 000 001 001 ... ..... ..... @rd_pg_rn SADDV 00000100 .. 000 000 001 ... ..... ..... @rd_pg_rn # SVE integer min/max reduction (predicated) SMAXV 00000100 .. 001 000 001 ... ..... ..... @rd_pg_rn UMAXV 00000100 .. 001 001 001 ... ..... ..... @rd_pg_rn SMINV 00000100 .. 001 010 001 ... ..... ..... @rd_pg_rn UMINV 00000100 .. 001 011 001 ... ..... ..... @rd_pg_rn ### SVE Shift by Immediate - Predicated Group # SVE bitwise shift by immediate (predicated) ASR_zpzi 00000100 .. 000 000 100 ... .. ... ..... \ @rdn_pg_tszimm imm=%tszimm_shr LSR_zpzi 00000100 .. 000 001 100 ... .. ... ..... \ @rdn_pg_tszimm imm=%tszimm_shr LSL_zpzi 00000100 .. 000 011 100 ... .. ... ..... \ @rdn_pg_tszimm imm=%tszimm_shl ASRD 00000100 .. 000 100 100 ... .. ... ..... \ @rdn_pg_tszimm imm=%tszimm_shr # SVE bitwise shift by vector (predicated) ASR_zpzz 00000100 .. 010 000 100 ... ..... ..... @rdn_pg_rm LSR_zpzz 00000100 .. 010 001 100 ... ..... ..... @rdn_pg_rm LSL_zpzz 00000100 .. 010 011 100 ... ..... ..... @rdn_pg_rm ASR_zpzz 00000100 .. 010 100 100 ... ..... ..... @rdm_pg_rn # ASRR LSR_zpzz 00000100 .. 010 101 100 ... ..... ..... @rdm_pg_rn # LSRR LSL_zpzz 00000100 .. 010 111 100 ... ..... ..... @rdm_pg_rn # LSLR # SVE bitwise shift by wide elements (predicated) # Note these require size != 3. ASR_zpzw 00000100 .. 011 000 100 ... ..... ..... @rdn_pg_rm LSR_zpzw 00000100 .. 011 001 100 ... ..... ..... @rdn_pg_rm LSL_zpzw 00000100 .. 011 011 100 ... ..... ..... @rdn_pg_rm ### SVE Integer Arithmetic - Unary Predicated Group # SVE unary bit operations (predicated) # Note esz != 0 for FABS and FNEG. CLS 00000100 .. 011 000 101 ... ..... ..... @rd_pg_rn CLZ 00000100 .. 011 001 101 ... ..... ..... @rd_pg_rn CNT_zpz 00000100 .. 011 010 101 ... ..... ..... @rd_pg_rn CNOT 00000100 .. 011 011 101 ... ..... ..... @rd_pg_rn NOT_zpz 00000100 .. 011 110 101 ... ..... ..... @rd_pg_rn FABS 00000100 .. 011 100 101 ... ..... ..... @rd_pg_rn FNEG 00000100 .. 011 101 101 ... ..... ..... @rd_pg_rn # SVE integer unary operations (predicated) # Note esz > original size for extensions. ABS 00000100 .. 010 110 101 ... ..... ..... @rd_pg_rn NEG 00000100 .. 010 111 101 ... ..... ..... @rd_pg_rn SXTB 00000100 .. 010 000 101 ... ..... ..... @rd_pg_rn UXTB 00000100 .. 010 001 101 ... ..... ..... @rd_pg_rn SXTH 00000100 .. 010 010 101 ... ..... ..... @rd_pg_rn UXTH 00000100 .. 010 011 101 ... ..... ..... @rd_pg_rn SXTW 00000100 .. 010 100 101 ... ..... ..... @rd_pg_rn UXTW 00000100 .. 010 101 101 ... ..... ..... @rd_pg_rn ### SVE Integer Multiply-Add Group # SVE integer multiply-add writing addend (predicated) MLA 00000100 .. 0 ..... 010 ... ..... ..... @rda_pg_rn_rm MLS 00000100 .. 0 ..... 011 ... ..... ..... @rda_pg_rn_rm # SVE integer multiply-add writing multiplicand (predicated) MLA 00000100 .. 0 ..... 110 ... ..... ..... @rdn_pg_ra_rm # MAD MLS 00000100 .. 0 ..... 111 ... ..... ..... @rdn_pg_ra_rm # MSB ### SVE Integer Arithmetic - Unpredicated Group # SVE integer add/subtract vectors (unpredicated) ADD_zzz 00000100 .. 1 ..... 000 000 ..... ..... @rd_rn_rm SUB_zzz 00000100 .. 1 ..... 000 001 ..... ..... @rd_rn_rm SQADD_zzz 00000100 .. 1 ..... 000 100 ..... ..... @rd_rn_rm UQADD_zzz 00000100 .. 1 ..... 000 101 ..... ..... @rd_rn_rm SQSUB_zzz 00000100 .. 1 ..... 000 110 ..... ..... @rd_rn_rm UQSUB_zzz 00000100 .. 1 ..... 000 111 ..... ..... @rd_rn_rm ### SVE Logical - Unpredicated Group # SVE bitwise logical operations (unpredicated) AND_zzz 00000100 00 1 ..... 001 100 ..... ..... @rd_rn_rm_e0 ORR_zzz 00000100 01 1 ..... 001 100 ..... ..... @rd_rn_rm_e0 EOR_zzz 00000100 10 1 ..... 001 100 ..... ..... @rd_rn_rm_e0 BIC_zzz 00000100 11 1 ..... 001 100 ..... ..... @rd_rn_rm_e0 ### SVE Index Generation Group # SVE index generation (immediate start, immediate increment) INDEX_ii 00000100 esz:2 1 imm2:s5 010000 imm1:s5 rd:5 # SVE index generation (immediate start, register increment) INDEX_ir 00000100 esz:2 1 rm:5 010010 imm:s5 rd:5 # SVE index generation (register start, immediate increment) INDEX_ri 00000100 esz:2 1 imm:s5 010001 rn:5 rd:5 # SVE index generation (register start, register increment) INDEX_rr 00000100 .. 1 ..... 010011 ..... ..... @rd_rn_rm ### SVE Stack Allocation Group # SVE stack frame adjustment ADDVL 00000100 001 ..... 01010 ...... ..... @rd_rn_i6 ADDPL 00000100 011 ..... 01010 ...... ..... @rd_rn_i6 # SVE stack frame size RDVL 00000100 101 11111 01010 imm:s6 rd:5 ### SVE Bitwise Shift - Unpredicated Group # SVE bitwise shift by immediate (unpredicated) ASR_zzi 00000100 .. 1 ..... 1001 00 ..... ..... \ @rd_rn_tszimm imm=%tszimm16_shr LSR_zzi 00000100 .. 1 ..... 1001 01 ..... ..... \ @rd_rn_tszimm imm=%tszimm16_shr LSL_zzi 00000100 .. 1 ..... 1001 11 ..... ..... \ @rd_rn_tszimm imm=%tszimm16_shl # SVE bitwise shift by wide elements (unpredicated) # Note esz != 3 ASR_zzw 00000100 .. 1 ..... 1000 00 ..... ..... @rd_rn_rm LSR_zzw 00000100 .. 1 ..... 1000 01 ..... ..... @rd_rn_rm 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 UCVTF_ds 01100101 11 010 10 1 101 ... ..... ..... @rd_pg_rn_e0 UCVTF_dd 01100101 11 010 11 1 101 ... ..... ..... @rd_pg_rn_e0 ### SVE Memory - 32-bit Gather and Unsized Contiguous Group # SVE load predicate register LDR_pri 10000101 10 ...... 000 ... ..... 0 .... @pd_rn_i9 # SVE load vector register LDR_zri 10000101 10 ...... 010 ... ..... ..... @rd_rn_i9 ### SVE Memory Contiguous Load Group # SVE contiguous load (scalar plus scalar) LD_zprr 1010010 .... ..... 010 ... ..... ..... @rprr_load_dt nreg=0 # SVE contiguous first-fault load (scalar plus scalar) LDFF1_zprr 1010010 .... ..... 011 ... ..... ..... @rprr_load_dt nreg=0 # SVE contiguous load (scalar plus immediate) LD_zpri 1010010 .... 0.... 101 ... ..... ..... @rpri_load_dt nreg=0 # SVE contiguous non-fault load (scalar plus immediate) LDNF1_zpri 1010010 .... 1.... 101 ... ..... ..... @rpri_load_dt nreg=0 # SVE contiguous non-temporal load (scalar plus scalar) # LDNT1B, LDNT1H, LDNT1W, LDNT1D # SVE load multiple structures (scalar plus scalar) # LD2B, LD2H, LD2W, LD2D; etc. LD_zprr 1010010 .. nreg:2 ..... 110 ... ..... ..... @rprr_load_msz # SVE contiguous non-temporal load (scalar plus immediate) # LDNT1B, LDNT1H, LDNT1W, LDNT1D # SVE load multiple structures (scalar plus immediate) # LD2B, LD2H, LD2W, LD2D; etc. LD_zpri 1010010 .. nreg:2 0.... 111 ... ..... ..... @rpri_load_msz # SVE load and broadcast quadword (scalar plus scalar) LD1RQ_zprr 1010010 .. 00 ..... 000 ... ..... ..... \ @rprr_load_msz nreg=0 # SVE load and broadcast quadword (scalar plus immediate) # LD1RQB, LD1RQH, LD1RQS, LD1RQD LD1RQ_zpri 1010010 .. 00 0.... 001 ... ..... ..... \ @rpri_load_msz nreg=0 ### SVE Memory Store Group # SVE contiguous store (scalar plus immediate) # ST1B, ST1H, ST1W, ST1D; require msz <= esz ST_zpri 1110010 .. esz:2 0.... 111 ... ..... ..... \ @rpri_store_msz nreg=0 # SVE contiguous store (scalar plus scalar) # ST1B, ST1H, ST1W, ST1D; require msz <= esz # Enumerate msz lest we conflict with STR_zri. ST_zprr 1110010 00 .. ..... 010 ... ..... ..... \ @rprr_store_esz_n0 msz=0 ST_zprr 1110010 01 .. ..... 010 ... ..... ..... \ @rprr_store_esz_n0 msz=1 ST_zprr 1110010 10 .. ..... 010 ... ..... ..... \ @rprr_store_esz_n0 msz=2 ST_zprr 1110010 11 11 ..... 010 ... ..... ..... \ @rprr_store msz=3 esz=3 nreg=0 # SVE contiguous non-temporal store (scalar plus immediate) (nreg == 0) # SVE store multiple structures (scalar plus immediate) (nreg != 0) ST_zpri 1110010 .. nreg:2 1.... 111 ... ..... ..... \ @rpri_store_msz esz=%size_23 # SVE contiguous non-temporal store (scalar plus scalar) (nreg == 0) # SVE store multiple structures (scalar plus scalar) (nreg != 0) ST_zprr 1110010 msz:2 nreg:2 ..... 011 ... ..... ..... \ @rprr_store esz=%size_23