# # RISC-V translation routines for the RVXI Base Integer Instruction Set. # # Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de # Bastian Koppelmann, kbastian@mail.uni-paderborn.de # # This program is free software; you can redistribute it and/or modify it # under the terms and conditions of the GNU General Public License, # version 2 or later, as published by the Free Software Foundation. # # This program is distributed in the hope it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for # more details. # # You should have received a copy of the GNU General Public License along with # this program. If not, see . # Fields: %rs3 27:5 %rs2 20:5 %rs1 15:5 %rd 7:5 %sh5 20:5 %sh6 20:6 %sh7 20:7 %csr 20:12 %rm 12:3 %nf 29:3 !function=ex_plus_1 # immediates: %imm_i 20:s12 %imm_s 25:s7 7:5 %imm_b 31:s1 7:1 25:6 8:4 !function=ex_shift_1 %imm_j 31:s1 12:8 20:1 21:10 !function=ex_shift_1 %imm_u 12:s20 !function=ex_shift_12 %imm_bs 30:2 !function=ex_shift_3 %imm_rnum 20:4 %imm_z6 26:1 15:5 %imm_mop5 30:1 26:2 20:2 %imm_mop3 30:1 26:2 # Argument sets: &empty &b imm rs2 rs1 &i imm rs1 rd &j imm rd &r rd rs1 rs2 &r2 rd rs1 &r2_s rs1 rs2 &s imm rs1 rs2 &u imm rd &shift shamt rs1 rd &atomic aq rl rs2 rs1 rd &rmrr vm rd rs1 rs2 &rmr vm rd rs2 &r2nfvm vm rd rs1 nf &rnfvm vm rd rs1 rs2 nf &k_aes shamt rs2 rs1 rd &mop5 imm rd rs1 &mop3 imm rd rs1 rs2 # Formats 32: @r ....... ..... ..... ... ..... ....... &r %rs2 %rs1 %rd @i ............ ..... ... ..... ....... &i imm=%imm_i %rs1 %rd @b ....... ..... ..... ... ..... ....... &b imm=%imm_b %rs2 %rs1 @s ....... ..... ..... ... ..... ....... &s imm=%imm_s %rs2 %rs1 @u .................... ..... ....... &u imm=%imm_u %rd @j .................... ..... ....... &j imm=%imm_j %rd @sh ...... ...... ..... ... ..... ....... &shift shamt=%sh7 %rs1 %rd @csr ............ ..... ... ..... ....... %csr %rs1 %rd @atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd @atom_st ..... aq:1 rl:1 ..... ........ ..... ....... &atomic %rs2 %rs1 %rd @r4_rm ..... .. ..... ..... ... ..... ....... %rs3 %rs2 %rs1 %rm %rd @r_rm ....... ..... ..... ... ..... ....... %rs2 %rs1 %rm %rd @r2_rm ....... ..... ..... ... ..... ....... %rs1 %rm %rd @r2 ....... ..... ..... ... ..... ....... &r2 %rs1 %rd @r2_vm_1 ...... . ..... ..... ... ..... ....... &rmr vm=1 %rs2 %rd @r2_nfvm ... ... vm:1 ..... ..... ... ..... ....... &r2nfvm %nf %rs1 %rd @r2_vm ...... vm:1 ..... ..... ... ..... ....... &rmr %rs2 %rd @r1_vm ...... vm:1 ..... ..... ... ..... ....... %rd @r_nfvm ... ... vm:1 ..... ..... ... ..... ....... &rnfvm %nf %rs2 %rs1 %rd @r2rd ....... ..... ..... ... ..... ....... %rs2 %rd @r_vm ...... vm:1 ..... ..... ... ..... ....... &rmrr %rs2 %rs1 %rd @r_vm_1 ...... . ..... ..... ... ..... ....... &rmrr vm=1 %rs2 %rs1 %rd @r_vm_0 ...... . ..... ..... ... ..... ....... &rmrr vm=0 %rs2 %rs1 %rd @r2_zimm6 ..... . vm:1 ..... ..... ... ..... ....... &rmrr %rs2 rs1=%imm_z6 %rd @r2_zimm11 . zimm:11 ..... ... ..... ....... %rs1 %rd @r2_zimm10 .. zimm:10 ..... ... ..... ....... %rs1 %rd @r2_s ....... ..... ..... ... ..... ....... %rs2 %rs1 @hfence_gvma ....... ..... ..... ... ..... ....... %rs2 %rs1 @hfence_vvma ....... ..... ..... ... ..... ....... %rs2 %rs1 @sfence_vma ....... ..... ..... ... ..... ....... %rs2 %rs1 @sfence_vm ....... ..... ..... ... ..... ....... %rs1 @k_aes .. ..... ..... ..... ... ..... ....... &k_aes shamt=%imm_bs %rs2 %rs1 %rd @i_aes .. ..... ..... ..... ... ..... ....... &i imm=%imm_rnum %rs1 %rd @mop5 . . .. .. .... .. ..... ... ..... ....... &mop5 imm=%imm_mop5 %rd %rs1 @mop3 . . .. .. . ..... ..... ... ..... ....... &mop3 imm=%imm_mop3 %rd %rs1 %rs2 # Formats 64: @sh5 ....... ..... ..... ... ..... ....... &shift shamt=%sh5 %rs1 %rd # Formats 128: @sh6 ...... ...... ..... ... ..... ....... &shift shamt=%sh6 %rs1 %rd # *** Privileged Instructions *** ecall 000000000000 00000 000 00000 1110011 ebreak 000000000001 00000 000 00000 1110011 uret 0000000 00010 00000 000 00000 1110011 sret 0001000 00010 00000 000 00000 1110011 mret 0011000 00010 00000 000 00000 1110011 wfi 0001000 00101 00000 000 00000 1110011 sfence_vma 0001001 ..... ..... 000 00000 1110011 @sfence_vma sfence_vm 0001000 00100 ..... 000 00000 1110011 @sfence_vm # *** RV32I Base Instruction Set *** lui .................... ..... 0110111 @u { lpad label:20 00000 0010111 auipc .................... ..... 0010111 @u } jal .................... ..... 1101111 @j jalr ............ ..... 000 ..... 1100111 @i beq ....... ..... ..... 000 ..... 1100011 @b bne ....... ..... ..... 001 ..... 1100011 @b blt ....... ..... ..... 100 ..... 1100011 @b bge ....... ..... ..... 101 ..... 1100011 @b bltu ....... ..... ..... 110 ..... 1100011 @b bgeu ....... ..... ..... 111 ..... 1100011 @b lb ............ ..... 000 ..... 0000011 @i lh ............ ..... 001 ..... 0000011 @i lw ............ ..... 010 ..... 0000011 @i lbu ............ ..... 100 ..... 0000011 @i lhu ............ ..... 101 ..... 0000011 @i sb ....... ..... ..... 000 ..... 0100011 @s sh ....... ..... ..... 001 ..... 0100011 @s sw ....... ..... ..... 010 ..... 0100011 @s addi ............ ..... 000 ..... 0010011 @i slti ............ ..... 010 ..... 0010011 @i sltiu ............ ..... 011 ..... 0010011 @i xori ............ ..... 100 ..... 0010011 @i # cbo.prefetch_{i,r,m} instructions are ori with rd=x0 and not decoded. ori ............ ..... 110 ..... 0010011 @i andi ............ ..... 111 ..... 0010011 @i slli 00000. ...... ..... 001 ..... 0010011 @sh srli 00000. ...... ..... 101 ..... 0010011 @sh srai 01000. ...... ..... 101 ..... 0010011 @sh add 0000000 ..... ..... 000 ..... 0110011 @r sub 0100000 ..... ..... 000 ..... 0110011 @r sll 0000000 ..... ..... 001 ..... 0110011 @r slt 0000000 ..... ..... 010 ..... 0110011 @r sltu 0000000 ..... ..... 011 ..... 0110011 @r xor 0000000 ..... ..... 100 ..... 0110011 @r srl 0000000 ..... ..... 101 ..... 0110011 @r sra 0100000 ..... ..... 101 ..... 0110011 @r or 0000000 ..... ..... 110 ..... 0110011 @r and 0000000 ..... ..... 111 ..... 0110011 @r { pause 0000 0001 0000 00000 000 00000 0001111 fence ---- pred:4 succ:4 ----- 000 ----- 0001111 } fence_i ---- ---- ---- ----- 001 ----- 0001111 csrrw ............ ..... 001 ..... 1110011 @csr csrrs ............ ..... 010 ..... 1110011 @csr csrrc ............ ..... 011 ..... 1110011 @csr csrrwi ............ ..... 101 ..... 1110011 @csr csrrsi ............ ..... 110 ..... 1110011 @csr csrrci ............ ..... 111 ..... 1110011 @csr # *** RV64I Base Instruction Set (in addition to RV32I) *** lwu ............ ..... 110 ..... 0000011 @i ld ............ ..... 011 ..... 0000011 @i sd ....... ..... ..... 011 ..... 0100011 @s addiw ............ ..... 000 ..... 0011011 @i slliw 0000000 ..... ..... 001 ..... 0011011 @sh5 srliw 0000000 ..... ..... 101 ..... 0011011 @sh5 sraiw 0100000 ..... ..... 101 ..... 0011011 @sh5 addw 0000000 ..... ..... 000 ..... 0111011 @r subw 0100000 ..... ..... 000 ..... 0111011 @r sllw 0000000 ..... ..... 001 ..... 0111011 @r srlw 0000000 ..... ..... 101 ..... 0111011 @r sraw 0100000 ..... ..... 101 ..... 0111011 @r # *** RV128I Base Instruction Set (in addition to RV64I) *** ldu ............ ..... 111 ..... 0000011 @i { [ # *** RV32 Zicbom Standard Extension *** cbo_clean 0000000 00001 ..... 010 00000 0001111 @sfence_vm cbo_flush 0000000 00010 ..... 010 00000 0001111 @sfence_vm cbo_inval 0000000 00000 ..... 010 00000 0001111 @sfence_vm # *** RV32 Zicboz Standard Extension *** cbo_zero 0000000 00100 ..... 010 00000 0001111 @sfence_vm ] # *** RVI128 lq *** lq ............ ..... 010 ..... 0001111 @i } sq ............ ..... 100 ..... 0100011 @s addid ............ ..... 000 ..... 1011011 @i sllid 000000 ...... ..... 001 ..... 1011011 @sh6 srlid 000000 ...... ..... 101 ..... 1011011 @sh6 sraid 010000 ...... ..... 101 ..... 1011011 @sh6 addd 0000000 ..... ..... 000 ..... 1111011 @r subd 0100000 ..... ..... 000 ..... 1111011 @r slld 0000000 ..... ..... 001 ..... 1111011 @r srld 0000000 ..... ..... 101 ..... 1111011 @r srad 0100000 ..... ..... 101 ..... 1111011 @r # *** RV32M Standard Extension *** mul 0000001 ..... ..... 000 ..... 0110011 @r mulh 0000001 ..... ..... 001 ..... 0110011 @r mulhsu 0000001 ..... ..... 010 ..... 0110011 @r mulhu 0000001 ..... ..... 011 ..... 0110011 @r div 0000001 ..... ..... 100 ..... 0110011 @r divu 0000001 ..... ..... 101 ..... 0110011 @r rem 0000001 ..... ..... 110 ..... 0110011 @r remu 0000001 ..... ..... 111 ..... 0110011 @r # *** RV64M Standard Extension (in addition to RV32M) *** mulw 0000001 ..... ..... 000 ..... 0111011 @r divw 0000001 ..... ..... 100 ..... 0111011 @r divuw 0000001 ..... ..... 101 ..... 0111011 @r remw 0000001 ..... ..... 110 ..... 0111011 @r remuw 0000001 ..... ..... 111 ..... 0111011 @r # *** RV128M Standard Extension (in addition to RV64M) *** muld 0000001 ..... ..... 000 ..... 1111011 @r divd 0000001 ..... ..... 100 ..... 1111011 @r divud 0000001 ..... ..... 101 ..... 1111011 @r remd 0000001 ..... ..... 110 ..... 1111011 @r remud 0000001 ..... ..... 111 ..... 1111011 @r # *** RV32A Standard Extension *** lr_w 00010 . . 00000 ..... 010 ..... 0101111 @atom_ld sc_w 00011 . . ..... ..... 010 ..... 0101111 @atom_st amoswap_w 00001 . . ..... ..... 010 ..... 0101111 @atom_st ssamoswap_w 01001 . . ..... ..... 010 ..... 0101111 @atom_st amoadd_w 00000 . . ..... ..... 010 ..... 0101111 @atom_st amoxor_w 00100 . . ..... ..... 010 ..... 0101111 @atom_st amoand_w 01100 . . ..... ..... 010 ..... 0101111 @atom_st amoor_w 01000 . . ..... ..... 010 ..... 0101111 @atom_st amomin_w 10000 . . ..... ..... 010 ..... 0101111 @atom_st amomax_w 10100 . . ..... ..... 010 ..... 0101111 @atom_st amominu_w 11000 . . ..... ..... 010 ..... 0101111 @atom_st amomaxu_w 11100 . . ..... ..... 010 ..... 0101111 @atom_st # *** RV64A Standard Extension (in addition to RV32A) *** lr_d 00010 . . 00000 ..... 011 ..... 0101111 @atom_ld sc_d 00011 . . ..... ..... 011 ..... 0101111 @atom_st amoswap_d 00001 . . ..... ..... 011 ..... 0101111 @atom_st ssamoswap_d 01001 . . ..... ..... 011 ..... 0101111 @atom_st amoadd_d 00000 . . ..... ..... 011 ..... 0101111 @atom_st amoxor_d 00100 . . ..... ..... 011 ..... 0101111 @atom_st amoand_d 01100 . . ..... ..... 011 ..... 0101111 @atom_st amoor_d 01000 . . ..... ..... 011 ..... 0101111 @atom_st amomin_d 10000 . . ..... ..... 011 ..... 0101111 @atom_st amomax_d 10100 . . ..... ..... 011 ..... 0101111 @atom_st amominu_d 11000 . . ..... ..... 011 ..... 0101111 @atom_st amomaxu_d 11100 . . ..... ..... 011 ..... 0101111 @atom_st # *** RV32F Standard Extension *** flw ............ ..... 010 ..... 0000111 @i fsw ....... ..... ..... 010 ..... 0100111 @s fmadd_s ..... 00 ..... ..... ... ..... 1000011 @r4_rm fmsub_s ..... 00 ..... ..... ... ..... 1000111 @r4_rm fnmsub_s ..... 00 ..... ..... ... ..... 1001011 @r4_rm fnmadd_s ..... 00 ..... ..... ... ..... 1001111 @r4_rm fadd_s 0000000 ..... ..... ... ..... 1010011 @r_rm fsub_s 0000100 ..... ..... ... ..... 1010011 @r_rm fmul_s 0001000 ..... ..... ... ..... 1010011 @r_rm fdiv_s 0001100 ..... ..... ... ..... 1010011 @r_rm fsqrt_s 0101100 00000 ..... ... ..... 1010011 @r2_rm fsgnj_s 0010000 ..... ..... 000 ..... 1010011 @r fsgnjn_s 0010000 ..... ..... 001 ..... 1010011 @r fsgnjx_s 0010000 ..... ..... 010 ..... 1010011 @r fmin_s 0010100 ..... ..... 000 ..... 1010011 @r fmax_s 0010100 ..... ..... 001 ..... 1010011 @r fcvt_w_s 1100000 00000 ..... ... ..... 1010011 @r2_rm fcvt_wu_s 1100000 00001 ..... ... ..... 1010011 @r2_rm fmv_x_w 1110000 00000 ..... 000 ..... 1010011 @r2 feq_s 1010000 ..... ..... 010 ..... 1010011 @r flt_s 1010000 ..... ..... 001 ..... 1010011 @r fle_s 1010000 ..... ..... 000 ..... 1010011 @r fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2 fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2 # *** RV64F Standard Extension (in addition to RV32F) *** fcvt_l_s 1100000 00010 ..... ... ..... 1010011 @r2_rm fcvt_lu_s 1100000 00011 ..... ... ..... 1010011 @r2_rm fcvt_s_l 1101000 00010 ..... ... ..... 1010011 @r2_rm fcvt_s_lu 1101000 00011 ..... ... ..... 1010011 @r2_rm # *** RV32D Standard Extension *** fld ............ ..... 011 ..... 0000111 @i fsd ....... ..... ..... 011 ..... 0100111 @s fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r fmin_d 0010101 ..... ..... 000 ..... 1010011 @r fmax_d 0010101 ..... ..... 001 ..... 1010011 @r fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm feq_d 1010001 ..... ..... 010 ..... 1010011 @r flt_d 1010001 ..... ..... 001 ..... 1010011 @r fle_d 1010001 ..... ..... 000 ..... 1010011 @r fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2 fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm # *** RV64D Standard Extension (in addition to RV32D) *** fcvt_l_d 1100001 00010 ..... ... ..... 1010011 @r2_rm fcvt_lu_d 1100001 00011 ..... ... ..... 1010011 @r2_rm fmv_x_d 1110001 00000 ..... 000 ..... 1010011 @r2 fcvt_d_l 1101001 00010 ..... ... ..... 1010011 @r2_rm fcvt_d_lu 1101001 00011 ..... ... ..... 1010011 @r2_rm fmv_d_x 1111001 00000 ..... 000 ..... 1010011 @r2 # *** RV32H Base Instruction Set *** hlv_b 0110000 00000 ..... 100 ..... 1110011 @r2 hlv_bu 0110000 00001 ..... 100 ..... 1110011 @r2 hlv_h 0110010 00000 ..... 100 ..... 1110011 @r2 hlv_hu 0110010 00001 ..... 100 ..... 1110011 @r2 hlvx_hu 0110010 00011 ..... 100 ..... 1110011 @r2 hlv_w 0110100 00000 ..... 100 ..... 1110011 @r2 hlvx_wu 0110100 00011 ..... 100 ..... 1110011 @r2 hsv_b 0110001 ..... ..... 100 00000 1110011 @r2_s hsv_h 0110011 ..... ..... 100 00000 1110011 @r2_s hsv_w 0110101 ..... ..... 100 00000 1110011 @r2_s hfence_gvma 0110001 ..... ..... 000 00000 1110011 @hfence_gvma hfence_vvma 0010001 ..... ..... 000 00000 1110011 @hfence_vvma # *** RV64H Base Instruction Set *** hlv_wu 0110100 00001 ..... 100 ..... 1110011 @r2 hlv_d 0110110 00000 ..... 100 ..... 1110011 @r2 hsv_d 0110111 ..... ..... 100 00000 1110011 @r2_s # *** Vector loads and stores are encoded within LOADFP/STORE-FP *** # Vector unit-stride load/store insns. vle8_v ... 000 . 00000 ..... 000 ..... 0000111 @r2_nfvm vle16_v ... 000 . 00000 ..... 101 ..... 0000111 @r2_nfvm vle32_v ... 000 . 00000 ..... 110 ..... 0000111 @r2_nfvm vle64_v ... 000 . 00000 ..... 111 ..... 0000111 @r2_nfvm vse8_v ... 000 . 00000 ..... 000 ..... 0100111 @r2_nfvm vse16_v ... 000 . 00000 ..... 101 ..... 0100111 @r2_nfvm vse32_v ... 000 . 00000 ..... 110 ..... 0100111 @r2_nfvm vse64_v ... 000 . 00000 ..... 111 ..... 0100111 @r2_nfvm # Vector unit-stride mask load/store insns. vlm_v 000 000 1 01011 ..... 000 ..... 0000111 @r2 vsm_v 000 000 1 01011 ..... 000 ..... 0100111 @r2 # Vector strided insns. vlse8_v ... 010 . ..... ..... 000 ..... 0000111 @r_nfvm vlse16_v ... 010 . ..... ..... 101 ..... 0000111 @r_nfvm vlse32_v ... 010 . ..... ..... 110 ..... 0000111 @r_nfvm vlse64_v ... 010 . ..... ..... 111 ..... 0000111 @r_nfvm vsse8_v ... 010 . ..... ..... 000 ..... 0100111 @r_nfvm vsse16_v ... 010 . ..... ..... 101 ..... 0100111 @r_nfvm vsse32_v ... 010 . ..... ..... 110 ..... 0100111 @r_nfvm vsse64_v ... 010 . ..... ..... 111 ..... 0100111 @r_nfvm # Vector ordered-indexed and unordered-indexed load insns. vlxei8_v ... 0-1 . ..... ..... 000 ..... 0000111 @r_nfvm vlxei16_v ... 0-1 . ..... ..... 101 ..... 0000111 @r_nfvm vlxei32_v ... 0-1 . ..... ..... 110 ..... 0000111 @r_nfvm vlxei64_v ... 0-1 . ..... ..... 111 ..... 0000111 @r_nfvm # Vector ordered-indexed and unordered-indexed store insns. vsxei8_v ... 0-1 . ..... ..... 000 ..... 0100111 @r_nfvm vsxei16_v ... 0-1 . ..... ..... 101 ..... 0100111 @r_nfvm vsxei32_v ... 0-1 . ..... ..... 110 ..... 0100111 @r_nfvm vsxei64_v ... 0-1 . ..... ..... 111 ..... 0100111 @r_nfvm # Vector unit-stride fault-only-first load insns. vle8ff_v ... 000 . 10000 ..... 000 ..... 0000111 @r2_nfvm vle16ff_v ... 000 . 10000 ..... 101 ..... 0000111 @r2_nfvm vle32ff_v ... 000 . 10000 ..... 110 ..... 0000111 @r2_nfvm vle64ff_v ... 000 . 10000 ..... 111 ..... 0000111 @r2_nfvm # Vector whole register insns vl1re8_v 000 000 1 01000 ..... 000 ..... 0000111 @r2 vl1re16_v 000 000 1 01000 ..... 101 ..... 0000111 @r2 vl1re32_v 000 000 1 01000 ..... 110 ..... 0000111 @r2 vl1re64_v 000 000 1 01000 ..... 111 ..... 0000111 @r2 vl2re8_v 001 000 1 01000 ..... 000 ..... 0000111 @r2 vl2re16_v 001 000 1 01000 ..... 101 ..... 0000111 @r2 vl2re32_v 001 000 1 01000 ..... 110 ..... 0000111 @r2 vl2re64_v 001 000 1 01000 ..... 111 ..... 0000111 @r2 vl4re8_v 011 000 1 01000 ..... 000 ..... 0000111 @r2 vl4re16_v 011 000 1 01000 ..... 101 ..... 0000111 @r2 vl4re32_v 011 000 1 01000 ..... 110 ..... 0000111 @r2 vl4re64_v 011 000 1 01000 ..... 111 ..... 0000111 @r2 vl8re8_v 111 000 1 01000 ..... 000 ..... 0000111 @r2 vl8re16_v 111 000 1 01000 ..... 101 ..... 0000111 @r2 vl8re32_v 111 000 1 01000 ..... 110 ..... 0000111 @r2 vl8re64_v 111 000 1 01000 ..... 111 ..... 0000111 @r2 vs1r_v 000 000 1 01000 ..... 000 ..... 0100111 @r2 vs2r_v 001 000 1 01000 ..... 000 ..... 0100111 @r2 vs4r_v 011 000 1 01000 ..... 000 ..... 0100111 @r2 vs8r_v 111 000 1 01000 ..... 000 ..... 0100111 @r2 # *** new major opcode OP-V *** vadd_vv 000000 . ..... ..... 000 ..... 1010111 @r_vm vadd_vx 000000 . ..... ..... 100 ..... 1010111 @r_vm vadd_vi 000000 . ..... ..... 011 ..... 1010111 @r_vm vsub_vv 000010 . ..... ..... 000 ..... 1010111 @r_vm vsub_vx 000010 . ..... ..... 100 ..... 1010111 @r_vm vrsub_vx 000011 . ..... ..... 100 ..... 1010111 @r_vm vrsub_vi 000011 . ..... ..... 011 ..... 1010111 @r_vm vwaddu_vv 110000 . ..... ..... 010 ..... 1010111 @r_vm vwaddu_vx 110000 . ..... ..... 110 ..... 1010111 @r_vm vwadd_vv 110001 . ..... ..... 010 ..... 1010111 @r_vm vwadd_vx 110001 . ..... ..... 110 ..... 1010111 @r_vm vwsubu_vv 110010 . ..... ..... 010 ..... 1010111 @r_vm vwsubu_vx 110010 . ..... ..... 110 ..... 1010111 @r_vm vwsub_vv 110011 . ..... ..... 010 ..... 1010111 @r_vm vwsub_vx 110011 . ..... ..... 110 ..... 1010111 @r_vm vwaddu_wv 110100 . ..... ..... 010 ..... 1010111 @r_vm vwaddu_wx 110100 . ..... ..... 110 ..... 1010111 @r_vm vwadd_wv 110101 . ..... ..... 010 ..... 1010111 @r_vm vwadd_wx 110101 . ..... ..... 110 ..... 1010111 @r_vm vwsubu_wv 110110 . ..... ..... 010 ..... 1010111 @r_vm vwsubu_wx 110110 . ..... ..... 110 ..... 1010111 @r_vm vwsub_wv 110111 . ..... ..... 010 ..... 1010111 @r_vm vwsub_wx 110111 . ..... ..... 110 ..... 1010111 @r_vm vadc_vvm 010000 0 ..... ..... 000 ..... 1010111 @r_vm_1 vadc_vxm 010000 0 ..... ..... 100 ..... 1010111 @r_vm_1 vadc_vim 010000 0 ..... ..... 011 ..... 1010111 @r_vm_1 vmadc_vvm 010001 . ..... ..... 000 ..... 1010111 @r_vm vmadc_vxm 010001 . ..... ..... 100 ..... 1010111 @r_vm vmadc_vim 010001 . ..... ..... 011 ..... 1010111 @r_vm vsbc_vvm 010010 0 ..... ..... 000 ..... 1010111 @r_vm_1 vsbc_vxm 010010 0 ..... ..... 100 ..... 1010111 @r_vm_1 vmsbc_vvm 010011 . ..... ..... 000 ..... 1010111 @r_vm vmsbc_vxm 010011 . ..... ..... 100 ..... 1010111 @r_vm vand_vv 001001 . ..... ..... 000 ..... 1010111 @r_vm vand_vx 001001 . ..... ..... 100 ..... 1010111 @r_vm vand_vi 001001 . ..... ..... 011 ..... 1010111 @r_vm vor_vv 001010 . ..... ..... 000 ..... 1010111 @r_vm vor_vx 001010 . ..... ..... 100 ..... 1010111 @r_vm vor_vi 001010 . ..... ..... 011 ..... 1010111 @r_vm vxor_vv 001011 . ..... ..... 000 ..... 1010111 @r_vm vxor_vx 001011 . ..... ..... 100 ..... 1010111 @r_vm vxor_vi 001011 . ..... ..... 011 ..... 1010111 @r_vm vsll_vv 100101 . ..... ..... 000 ..... 1010111 @r_vm vsll_vx 100101 . ..... ..... 100 ..... 1010111 @r_vm vsll_vi 100101 . ..... ..... 011 ..... 1010111 @r_vm vsrl_vv 101000 . ..... ..... 000 ..... 1010111 @r_vm vsrl_vx 101000 . ..... ..... 100 ..... 1010111 @r_vm vsrl_vi 101000 . ..... ..... 011 ..... 1010111 @r_vm vsra_vv 101001 . ..... ..... 000 ..... 1010111 @r_vm vsra_vx 101001 . ..... ..... 100 ..... 1010111 @r_vm vsra_vi 101001 . ..... ..... 011 ..... 1010111 @r_vm vnsrl_wv 101100 . ..... ..... 000 ..... 1010111 @r_vm vnsrl_wx 101100 . ..... ..... 100 ..... 1010111 @r_vm vnsrl_wi 101100 . ..... ..... 011 ..... 1010111 @r_vm vnsra_wv 101101 . ..... ..... 000 ..... 1010111 @r_vm vnsra_wx 101101 . ..... ..... 100 ..... 1010111 @r_vm vnsra_wi 101101 . ..... ..... 011 ..... 1010111 @r_vm vmseq_vv 011000 . ..... ..... 000 ..... 1010111 @r_vm vmseq_vx 011000 . ..... ..... 100 ..... 1010111 @r_vm vmseq_vi 011000 . ..... ..... 011 ..... 1010111 @r_vm vmsne_vv 011001 . ..... ..... 000 ..... 1010111 @r_vm vmsne_vx 011001 . ..... ..... 100 ..... 1010111 @r_vm vmsne_vi 011001 . ..... ..... 011 ..... 1010111 @r_vm vmsltu_vv 011010 . ..... ..... 000 ..... 1010111 @r_vm vmsltu_vx 011010 . ..... ..... 100 ..... 1010111 @r_vm vmslt_vv 011011 . ..... ..... 000 ..... 1010111 @r_vm vmslt_vx 011011 . ..... ..... 100 ..... 1010111 @r_vm vmsleu_vv 011100 . ..... ..... 000 ..... 1010111 @r_vm vmsleu_vx 011100 . ..... ..... 100 ..... 1010111 @r_vm vmsleu_vi 011100 . ..... ..... 011 ..... 1010111 @r_vm vmsle_vv 011101 . ..... ..... 000 ..... 1010111 @r_vm vmsle_vx 011101 . ..... ..... 100 ..... 1010111 @r_vm vmsle_vi 011101 . ..... ..... 011 ..... 1010111 @r_vm vmsgtu_vx 011110 . ..... ..... 100 ..... 1010111 @r_vm vmsgtu_vi 011110 . ..... ..... 011 ..... 1010111 @r_vm vmsgt_vx 011111 . ..... ..... 100 ..... 1010111 @r_vm vmsgt_vi 011111 . ..... ..... 011 ..... 1010111 @r_vm vminu_vv 000100 . ..... ..... 000 ..... 1010111 @r_vm vminu_vx 000100 . ..... ..... 100 ..... 1010111 @r_vm vmin_vv 000101 . ..... ..... 000 ..... 1010111 @r_vm vmin_vx 000101 . ..... ..... 100 ..... 1010111 @r_vm vmaxu_vv 000110 . ..... ..... 000 ..... 1010111 @r_vm vmaxu_vx 000110 . ..... ..... 100 ..... 1010111 @r_vm vmax_vv 000111 . ..... ..... 000 ..... 1010111 @r_vm vmax_vx 000111 . ..... ..... 100 ..... 1010111 @r_vm vmul_vv 100101 . ..... ..... 010 ..... 1010111 @r_vm vmul_vx 100101 . ..... ..... 110 ..... 1010111 @r_vm vmulh_vv 100111 . ..... ..... 010 ..... 1010111 @r_vm vmulh_vx 100111 . ..... ..... 110 ..... 1010111 @r_vm vmulhu_vv 100100 . ..... ..... 010 ..... 1010111 @r_vm vmulhu_vx 100100 . ..... ..... 110 ..... 1010111 @r_vm vmulhsu_vv 100110 . ..... ..... 010 ..... 1010111 @r_vm vmulhsu_vx 100110 . ..... ..... 110 ..... 1010111 @r_vm vdivu_vv 100000 . ..... ..... 010 ..... 1010111 @r_vm vdivu_vx 100000 . ..... ..... 110 ..... 1010111 @r_vm vdiv_vv 100001 . ..... ..... 010 ..... 1010111 @r_vm vdiv_vx 100001 . ..... ..... 110 ..... 1010111 @r_vm vremu_vv 100010 . ..... ..... 010 ..... 1010111 @r_vm vremu_vx 100010 . ..... ..... 110 ..... 1010111 @r_vm vrem_vv 100011 . ..... ..... 010 ..... 1010111 @r_vm vrem_vx 100011 . ..... ..... 110 ..... 1010111 @r_vm vwmulu_vv 111000 . ..... ..... 010 ..... 1010111 @r_vm vwmulu_vx 111000 . ..... ..... 110 ..... 1010111 @r_vm vwmulsu_vv 111010 . ..... ..... 010 ..... 1010111 @r_vm vwmulsu_vx 111010 . ..... ..... 110 ..... 1010111 @r_vm vwmul_vv 111011 . ..... ..... 010 ..... 1010111 @r_vm vwmul_vx 111011 . ..... ..... 110 ..... 1010111 @r_vm vmacc_vv 101101 . ..... ..... 010 ..... 1010111 @r_vm vmacc_vx 101101 . ..... ..... 110 ..... 1010111 @r_vm vnmsac_vv 101111 . ..... ..... 010 ..... 1010111 @r_vm vnmsac_vx 101111 . ..... ..... 110 ..... 1010111 @r_vm vmadd_vv 101001 . ..... ..... 010 ..... 1010111 @r_vm vmadd_vx 101001 . ..... ..... 110 ..... 1010111 @r_vm vnmsub_vv 101011 . ..... ..... 010 ..... 1010111 @r_vm vnmsub_vx 101011 . ..... ..... 110 ..... 1010111 @r_vm vwmaccu_vv 111100 . ..... ..... 010 ..... 1010111 @r_vm vwmaccu_vx 111100 . ..... ..... 110 ..... 1010111 @r_vm vwmacc_vv 111101 . ..... ..... 010 ..... 1010111 @r_vm vwmacc_vx 111101 . ..... ..... 110 ..... 1010111 @r_vm vwmaccsu_vv 111111 . ..... ..... 010 ..... 1010111 @r_vm vwmaccsu_vx 111111 . ..... ..... 110 ..... 1010111 @r_vm vwmaccus_vx 111110 . ..... ..... 110 ..... 1010111 @r_vm vmv_v_v 010111 1 00000 ..... 000 ..... 1010111 @r2 vmv_v_x 010111 1 00000 ..... 100 ..... 1010111 @r2 vmv_v_i 010111 1 00000 ..... 011 ..... 1010111 @r2 vmerge_vvm 010111 0 ..... ..... 000 ..... 1010111 @r_vm_0 vmerge_vxm 010111 0 ..... ..... 100 ..... 1010111 @r_vm_0 vmerge_vim 010111 0 ..... ..... 011 ..... 1010111 @r_vm_0 vsaddu_vv 100000 . ..... ..... 000 ..... 1010111 @r_vm vsaddu_vx 100000 . ..... ..... 100 ..... 1010111 @r_vm vsaddu_vi 100000 . ..... ..... 011 ..... 1010111 @r_vm vsadd_vv 100001 . ..... ..... 000 ..... 1010111 @r_vm vsadd_vx 100001 . ..... ..... 100 ..... 1010111 @r_vm vsadd_vi 100001 . ..... ..... 011 ..... 1010111 @r_vm vssubu_vv 100010 . ..... ..... 000 ..... 1010111 @r_vm vssubu_vx 100010 . ..... ..... 100 ..... 1010111 @r_vm vssub_vv 100011 . ..... ..... 000 ..... 1010111 @r_vm vssub_vx 100011 . ..... ..... 100 ..... 1010111 @r_vm vaadd_vv 001001 . ..... ..... 010 ..... 1010111 @r_vm vaadd_vx 001001 . ..... ..... 110 ..... 1010111 @r_vm vaaddu_vv 001000 . ..... ..... 010 ..... 1010111 @r_vm vaaddu_vx 001000 . ..... ..... 110 ..... 1010111 @r_vm vasub_vv 001011 . ..... ..... 010 ..... 1010111 @r_vm vasub_vx 001011 . ..... ..... 110 ..... 1010111 @r_vm vasubu_vv 001010 . ..... ..... 010 ..... 1010111 @r_vm vasubu_vx 001010 . ..... ..... 110 ..... 1010111 @r_vm vsmul_vv 100111 . ..... ..... 000 ..... 1010111 @r_vm vsmul_vx 100111 . ..... ..... 100 ..... 1010111 @r_vm vssrl_vv 101010 . ..... ..... 000 ..... 1010111 @r_vm vssrl_vx 101010 . ..... ..... 100 ..... 1010111 @r_vm vssrl_vi 101010 . ..... ..... 011 ..... 1010111 @r_vm vssra_vv 101011 . ..... ..... 000 ..... 1010111 @r_vm vssra_vx 101011 . ..... ..... 100 ..... 1010111 @r_vm vssra_vi 101011 . ..... ..... 011 ..... 1010111 @r_vm vnclipu_wv 101110 . ..... ..... 000 ..... 1010111 @r_vm vnclipu_wx 101110 . ..... ..... 100 ..... 1010111 @r_vm vnclipu_wi 101110 . ..... ..... 011 ..... 1010111 @r_vm vnclip_wv 101111 . ..... ..... 000 ..... 1010111 @r_vm vnclip_wx 101111 . ..... ..... 100 ..... 1010111 @r_vm vnclip_wi 101111 . ..... ..... 011 ..... 1010111 @r_vm vfadd_vv 000000 . ..... ..... 001 ..... 1010111 @r_vm vfadd_vf 000000 . ..... ..... 101 ..... 1010111 @r_vm vfsub_vv 000010 . ..... ..... 001 ..... 1010111 @r_vm vfsub_vf 000010 . ..... ..... 101 ..... 1010111 @r_vm vfrsub_vf 100111 . ..... ..... 101 ..... 1010111 @r_vm vfwadd_vv 110000 . ..... ..... 001 ..... 1010111 @r_vm vfwadd_vf 110000 . ..... ..... 101 ..... 1010111 @r_vm vfwadd_wv 110100 . ..... ..... 001 ..... 1010111 @r_vm vfwadd_wf 110100 . ..... ..... 101 ..... 1010111 @r_vm vfwsub_vv 110010 . ..... ..... 001 ..... 1010111 @r_vm vfwsub_vf 110010 . ..... ..... 101 ..... 1010111 @r_vm vfwsub_wv 110110 . ..... ..... 001 ..... 1010111 @r_vm vfwsub_wf 110110 . ..... ..... 101 ..... 1010111 @r_vm vfmul_vv 100100 . ..... ..... 001 ..... 1010111 @r_vm vfmul_vf 100100 . ..... ..... 101 ..... 1010111 @r_vm vfdiv_vv 100000 . ..... ..... 001 ..... 1010111 @r_vm vfdiv_vf 100000 . ..... ..... 101 ..... 1010111 @r_vm vfrdiv_vf 100001 . ..... ..... 101 ..... 1010111 @r_vm vfwmul_vv 111000 . ..... ..... 001 ..... 1010111 @r_vm vfwmul_vf 111000 . ..... ..... 101 ..... 1010111 @r_vm vfmacc_vv 101100 . ..... ..... 001 ..... 1010111 @r_vm vfnmacc_vv 101101 . ..... ..... 001 ..... 1010111 @r_vm vfnmacc_vf 101101 . ..... ..... 101 ..... 1010111 @r_vm vfmacc_vf 101100 . ..... ..... 101 ..... 1010111 @r_vm vfmsac_vv 101110 . ..... ..... 001 ..... 1010111 @r_vm vfmsac_vf 101110 . ..... ..... 101 ..... 1010111 @r_vm vfnmsac_vv 101111 . ..... ..... 001 ..... 1010111 @r_vm vfnmsac_vf 101111 . ..... ..... 101 ..... 1010111 @r_vm vfmadd_vv 101000 . ..... ..... 001 ..... 1010111 @r_vm vfmadd_vf 101000 . ..... ..... 101 ..... 1010111 @r_vm vfnmadd_vv 101001 . ..... ..... 001 ..... 1010111 @r_vm vfnmadd_vf 101001 . ..... ..... 101 ..... 1010111 @r_vm vfmsub_vv 101010 . ..... ..... 001 ..... 1010111 @r_vm vfmsub_vf 101010 . ..... ..... 101 ..... 1010111 @r_vm vfnmsub_vv 101011 . ..... ..... 001 ..... 1010111 @r_vm vfnmsub_vf 101011 . ..... ..... 101 ..... 1010111 @r_vm vfwmacc_vv 111100 . ..... ..... 001 ..... 1010111 @r_vm vfwmacc_vf 111100 . ..... ..... 101 ..... 1010111 @r_vm vfwnmacc_vv 111101 . ..... ..... 001 ..... 1010111 @r_vm vfwnmacc_vf 111101 . ..... ..... 101 ..... 1010111 @r_vm vfwmsac_vv 111110 . ..... ..... 001 ..... 1010111 @r_vm vfwmsac_vf 111110 . ..... ..... 101 ..... 1010111 @r_vm vfwnmsac_vv 111111 . ..... ..... 001 ..... 1010111 @r_vm vfwnmsac_vf 111111 . ..... ..... 101 ..... 1010111 @r_vm vfsqrt_v 010011 . ..... 00000 001 ..... 1010111 @r2_vm vfrsqrt7_v 010011 . ..... 00100 001 ..... 1010111 @r2_vm vfrec7_v 010011 . ..... 00101 001 ..... 1010111 @r2_vm vfmin_vv 000100 . ..... ..... 001 ..... 1010111 @r_vm vfmin_vf 000100 . ..... ..... 101 ..... 1010111 @r_vm vfmax_vv 000110 . ..... ..... 001 ..... 1010111 @r_vm vfmax_vf 000110 . ..... ..... 101 ..... 1010111 @r_vm vfsgnj_vv 001000 . ..... ..... 001 ..... 1010111 @r_vm vfsgnj_vf 001000 . ..... ..... 101 ..... 1010111 @r_vm vfsgnjn_vv 001001 . ..... ..... 001 ..... 1010111 @r_vm vfsgnjn_vf 001001 . ..... ..... 101 ..... 1010111 @r_vm vfsgnjx_vv 001010 . ..... ..... 001 ..... 1010111 @r_vm vfsgnjx_vf 001010 . ..... ..... 101 ..... 1010111 @r_vm vfslide1up_vf 001110 . ..... ..... 101 ..... 1010111 @r_vm vfslide1down_vf 001111 . ..... ..... 101 ..... 1010111 @r_vm vmfeq_vv 011000 . ..... ..... 001 ..... 1010111 @r_vm vmfeq_vf 011000 . ..... ..... 101 ..... 1010111 @r_vm vmfne_vv 011100 . ..... ..... 001 ..... 1010111 @r_vm vmfne_vf 011100 . ..... ..... 101 ..... 1010111 @r_vm vmflt_vv 011011 . ..... ..... 001 ..... 1010111 @r_vm vmflt_vf 011011 . ..... ..... 101 ..... 1010111 @r_vm vmfle_vv 011001 . ..... ..... 001 ..... 1010111 @r_vm vmfle_vf 011001 . ..... ..... 101 ..... 1010111 @r_vm vmfgt_vf 011101 . ..... ..... 101 ..... 1010111 @r_vm vmfge_vf 011111 . ..... ..... 101 ..... 1010111 @r_vm vfclass_v 010011 . ..... 10000 001 ..... 1010111 @r2_vm vfmerge_vfm 010111 0 ..... ..... 101 ..... 1010111 @r_vm_0 vfmv_v_f 010111 1 00000 ..... 101 ..... 1010111 @r2 vfcvt_xu_f_v 010010 . ..... 00000 001 ..... 1010111 @r2_vm vfcvt_x_f_v 010010 . ..... 00001 001 ..... 1010111 @r2_vm vfcvt_f_xu_v 010010 . ..... 00010 001 ..... 1010111 @r2_vm vfcvt_f_x_v 010010 . ..... 00011 001 ..... 1010111 @r2_vm vfcvt_rtz_xu_f_v 010010 . ..... 00110 001 ..... 1010111 @r2_vm vfcvt_rtz_x_f_v 010010 . ..... 00111 001 ..... 1010111 @r2_vm vfwcvt_xu_f_v 010010 . ..... 01000 001 ..... 1010111 @r2_vm vfwcvt_x_f_v 010010 . ..... 01001 001 ..... 1010111 @r2_vm vfwcvt_f_xu_v 010010 . ..... 01010 001 ..... 1010111 @r2_vm vfwcvt_f_x_v 010010 . ..... 01011 001 ..... 1010111 @r2_vm vfwcvt_f_f_v 010010 . ..... 01100 001 ..... 1010111 @r2_vm vfwcvt_rtz_xu_f_v 010010 . ..... 01110 001 ..... 1010111 @r2_vm vfwcvt_rtz_x_f_v 010010 . ..... 01111 001 ..... 1010111 @r2_vm vfncvt_xu_f_w 010010 . ..... 10000 001 ..... 1010111 @r2_vm vfncvt_x_f_w 010010 . ..... 10001 001 ..... 1010111 @r2_vm vfncvt_f_xu_w 010010 . ..... 10010 001 ..... 1010111 @r2_vm vfncvt_f_x_w 010010 . ..... 10011 001 ..... 1010111 @r2_vm vfncvt_f_f_w 010010 . ..... 10100 001 ..... 1010111 @r2_vm vfncvt_rod_f_f_w 010010 . ..... 10101 001 ..... 1010111 @r2_vm vfncvt_rtz_xu_f_w 010010 . ..... 10110 001 ..... 1010111 @r2_vm vfncvt_rtz_x_f_w 010010 . ..... 10111 001 ..... 1010111 @r2_vm vredsum_vs 000000 . ..... ..... 010 ..... 1010111 @r_vm vredand_vs 000001 . ..... ..... 010 ..... 1010111 @r_vm vredor_vs 000010 . ..... ..... 010 ..... 1010111 @r_vm vredxor_vs 000011 . ..... ..... 010 ..... 1010111 @r_vm vredminu_vs 000100 . ..... ..... 010 ..... 1010111 @r_vm vredmin_vs 000101 . ..... ..... 010 ..... 1010111 @r_vm vredmaxu_vs 000110 . ..... ..... 010 ..... 1010111 @r_vm vredmax_vs 000111 . ..... ..... 010 ..... 1010111 @r_vm vwredsumu_vs 110000 . ..... ..... 000 ..... 1010111 @r_vm vwredsum_vs 110001 . ..... ..... 000 ..... 1010111 @r_vm # Vector ordered and unordered reduction sum vfredusum_vs 000001 . ..... ..... 001 ..... 1010111 @r_vm vfredosum_vs 000011 . ..... ..... 001 ..... 1010111 @r_vm vfredmin_vs 000101 . ..... ..... 001 ..... 1010111 @r_vm vfredmax_vs 000111 . ..... ..... 001 ..... 1010111 @r_vm # Vector widening ordered and unordered float reduction sum vfwredusum_vs 110001 . ..... ..... 001 ..... 1010111 @r_vm vfwredosum_vs 110011 . ..... ..... 001 ..... 1010111 @r_vm vmand_mm 011001 - ..... ..... 010 ..... 1010111 @r vmnand_mm 011101 - ..... ..... 010 ..... 1010111 @r vmandn_mm 011000 - ..... ..... 010 ..... 1010111 @r vmxor_mm 011011 - ..... ..... 010 ..... 1010111 @r vmor_mm 011010 - ..... ..... 010 ..... 1010111 @r vmnor_mm 011110 - ..... ..... 010 ..... 1010111 @r vmorn_mm 011100 - ..... ..... 010 ..... 1010111 @r vmxnor_mm 011111 - ..... ..... 010 ..... 1010111 @r vcpop_m 010000 . ..... 10000 010 ..... 1010111 @r2_vm vfirst_m 010000 . ..... 10001 010 ..... 1010111 @r2_vm vmsbf_m 010100 . ..... 00001 010 ..... 1010111 @r2_vm vmsif_m 010100 . ..... 00011 010 ..... 1010111 @r2_vm vmsof_m 010100 . ..... 00010 010 ..... 1010111 @r2_vm viota_m 010100 . ..... 10000 010 ..... 1010111 @r2_vm vid_v 010100 . 00000 10001 010 ..... 1010111 @r1_vm vmv_x_s 010000 1 ..... 00000 010 ..... 1010111 @r2rd vmv_s_x 010000 1 00000 ..... 110 ..... 1010111 @r2 vfmv_f_s 010000 1 ..... 00000 001 ..... 1010111 @r2rd vfmv_s_f 010000 1 00000 ..... 101 ..... 1010111 @r2 vslideup_vx 001110 . ..... ..... 100 ..... 1010111 @r_vm vslideup_vi 001110 . ..... ..... 011 ..... 1010111 @r_vm vslide1up_vx 001110 . ..... ..... 110 ..... 1010111 @r_vm vslidedown_vx 001111 . ..... ..... 100 ..... 1010111 @r_vm vslidedown_vi 001111 . ..... ..... 011 ..... 1010111 @r_vm vslide1down_vx 001111 . ..... ..... 110 ..... 1010111 @r_vm vrgather_vv 001100 . ..... ..... 000 ..... 1010111 @r_vm vrgatherei16_vv 001110 . ..... ..... 000 ..... 1010111 @r_vm vrgather_vx 001100 . ..... ..... 100 ..... 1010111 @r_vm vrgather_vi 001100 . ..... ..... 011 ..... 1010111 @r_vm vcompress_vm 010111 - ..... ..... 010 ..... 1010111 @r vmv1r_v 100111 1 ..... 00000 011 ..... 1010111 @r2rd vmv2r_v 100111 1 ..... 00001 011 ..... 1010111 @r2rd vmv4r_v 100111 1 ..... 00011 011 ..... 1010111 @r2rd vmv8r_v 100111 1 ..... 00111 011 ..... 1010111 @r2rd # Vector Integer Extension vzext_vf2 010010 . ..... 00110 010 ..... 1010111 @r2_vm vzext_vf4 010010 . ..... 00100 010 ..... 1010111 @r2_vm vzext_vf8 010010 . ..... 00010 010 ..... 1010111 @r2_vm vsext_vf2 010010 . ..... 00111 010 ..... 1010111 @r2_vm vsext_vf4 010010 . ..... 00101 010 ..... 1010111 @r2_vm vsext_vf8 010010 . ..... 00011 010 ..... 1010111 @r2_vm vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm11 vsetivli 11 .......... ..... 111 ..... 1010111 @r2_zimm10 vsetvl 1000000 ..... ..... 111 ..... 1010111 @r # *** Zawrs Standard Extension *** wrs_nto 000000001101 00000 000 00000 1110011 wrs_sto 000000011101 00000 000 00000 1110011 # *** RV32 Zba Standard Extension *** sh1add 0010000 .......... 010 ..... 0110011 @r sh2add 0010000 .......... 100 ..... 0110011 @r sh3add 0010000 .......... 110 ..... 0110011 @r # *** RV64 Zba Standard Extension (in addition to RV32 Zba) *** add_uw 0000100 .......... 000 ..... 0111011 @r sh1add_uw 0010000 .......... 010 ..... 0111011 @r sh2add_uw 0010000 .......... 100 ..... 0111011 @r sh3add_uw 0010000 .......... 110 ..... 0111011 @r slli_uw 00001 ............ 001 ..... 0011011 @sh # *** RV32 Zbb/Zbkb Standard Extension *** andn 0100000 .......... 111 ..... 0110011 @r rol 0110000 .......... 001 ..... 0110011 @r ror 0110000 .......... 101 ..... 0110011 @r rori 01100 ............ 101 ..... 0010011 @sh # The encoding for rev8 differs between RV32 and RV64. # rev8_32 denotes the RV32 variant. rev8_32 011010 011000 ..... 101 ..... 0010011 @r2 # The encoding for zext.h differs between RV32 and RV64. # zext_h_32 denotes the RV32 variant. { zext_h_32 0000100 00000 ..... 100 ..... 0110011 @r2 pack 0000100 ..... ..... 100 ..... 0110011 @r } xnor 0100000 .......... 100 ..... 0110011 @r # *** RV32 extra Zbb Standard Extension *** clz 011000 000000 ..... 001 ..... 0010011 @r2 cpop 011000 000010 ..... 001 ..... 0010011 @r2 ctz 011000 000001 ..... 001 ..... 0010011 @r2 max 0000101 .......... 110 ..... 0110011 @r maxu 0000101 .......... 111 ..... 0110011 @r min 0000101 .......... 100 ..... 0110011 @r minu 0000101 .......... 101 ..... 0110011 @r orc_b 001010 000111 ..... 101 ..... 0010011 @r2 orn 0100000 .......... 110 ..... 0110011 @r sext_b 011000 000100 ..... 001 ..... 0010011 @r2 sext_h 011000 000101 ..... 001 ..... 0010011 @r2 # *** RV32 extra Zbkb Standard Extension *** brev8 0110100 00111 ..... 101 ..... 0010011 @r2 #grevi packh 0000100 .......... 111 ..... 0110011 @r unzip 0000100 01111 ..... 101 ..... 0010011 @r2 #unshfl zip 0000100 01111 ..... 001 ..... 0010011 @r2 #shfl # *** RV64 Zbb/Zbkb Standard Extension (in addition to RV32 Zbb/Zbkb) *** # The encoding for rev8 differs between RV32 and RV64. # When executing on RV64, the encoding used in RV32 is an illegal # instruction, so we use different handler functions to differentiate. rev8_64 011010 111000 ..... 101 ..... 0010011 @r2 rolw 0110000 .......... 001 ..... 0111011 @r roriw 0110000 .......... 101 ..... 0011011 @sh5 rorw 0110000 .......... 101 ..... 0111011 @r # The encoding for zext.h differs between RV32 and RV64. # When executing on RV64, the encoding used in RV32 is an illegal # instruction, so we use different handler functions to differentiate. { zext_h_64 0000100 00000 ..... 100 ..... 0111011 @r2 packw 0000100 ..... ..... 100 ..... 0111011 @r } # *** RV64 extra Zbb Standard Extension (in addition to RV32 Zbb) *** clzw 0110000 00000 ..... 001 ..... 0011011 @r2 ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 cpopw 0110000 00010 ..... 001 ..... 0011011 @r2 # *** RV32 Zbc/Zbkc Standard Extension *** clmul 0000101 .......... 001 ..... 0110011 @r clmulh 0000101 .......... 011 ..... 0110011 @r # *** RV32 extra Zbc Standard Extension *** clmulr 0000101 .......... 010 ..... 0110011 @r # *** RV32 Zbkx Standard Extension *** xperm4 0010100 .......... 010 ..... 0110011 @r xperm8 0010100 .......... 100 ..... 0110011 @r # *** RV32 Zbs Standard Extension *** bclr 0100100 .......... 001 ..... 0110011 @r bclri 01001. ........... 001 ..... 0010011 @sh bext 0100100 .......... 101 ..... 0110011 @r bexti 01001. ........... 101 ..... 0010011 @sh binv 0110100 .......... 001 ..... 0110011 @r binvi 01101. ........... 001 ..... 0010011 @sh bset 0010100 .......... 001 ..... 0110011 @r bseti 00101. ........... 001 ..... 0010011 @sh # *** Zfa Standard Extension *** fli_s 1111000 00001 ..... 000 ..... 1010011 @r2 fli_d 1111001 00001 ..... 000 ..... 1010011 @r2 fli_h 1111010 00001 ..... 000 ..... 1010011 @r2 fminm_s 0010100 ..... ..... 010 ..... 1010011 @r fmaxm_s 0010100 ..... ..... 011 ..... 1010011 @r fminm_d 0010101 ..... ..... 010 ..... 1010011 @r fmaxm_d 0010101 ..... ..... 011 ..... 1010011 @r fminm_h 0010110 ..... ..... 010 ..... 1010011 @r fmaxm_h 0010110 ..... ..... 011 ..... 1010011 @r fround_s 0100000 00100 ..... ... ..... 1010011 @r2_rm froundnx_s 0100000 00101 ..... ... ..... 1010011 @r2_rm fround_d 0100001 00100 ..... ... ..... 1010011 @r2_rm froundnx_d 0100001 00101 ..... ... ..... 1010011 @r2_rm fround_h 0100010 00100 ..... ... ..... 1010011 @r2_rm froundnx_h 0100010 00101 ..... ... ..... 1010011 @r2_rm fcvtmod_w_d 1100001 01000 ..... 001 ..... 1010011 @r2 fmvh_x_d 1110001 00001 ..... 000 ..... 1010011 @r2 fmvp_d_x 1011001 ..... ..... 000 ..... 1010011 @r fleq_s 1010000 ..... ..... 100 ..... 1010011 @r fltq_s 1010000 ..... ..... 101 ..... 1010011 @r fleq_d 1010001 ..... ..... 100 ..... 1010011 @r fltq_d 1010001 ..... ..... 101 ..... 1010011 @r fleq_h 1010010 ..... ..... 100 ..... 1010011 @r fltq_h 1010010 ..... ..... 101 ..... 1010011 @r # *** RV32 Zfh Extension *** flh ............ ..... 001 ..... 0000111 @i fsh ....... ..... ..... 001 ..... 0100111 @s fmadd_h ..... 10 ..... ..... ... ..... 1000011 @r4_rm fmsub_h ..... 10 ..... ..... ... ..... 1000111 @r4_rm fnmsub_h ..... 10 ..... ..... ... ..... 1001011 @r4_rm fnmadd_h ..... 10 ..... ..... ... ..... 1001111 @r4_rm fadd_h 0000010 ..... ..... ... ..... 1010011 @r_rm fsub_h 0000110 ..... ..... ... ..... 1010011 @r_rm fmul_h 0001010 ..... ..... ... ..... 1010011 @r_rm fdiv_h 0001110 ..... ..... ... ..... 1010011 @r_rm fsqrt_h 0101110 00000 ..... ... ..... 1010011 @r2_rm fsgnj_h 0010010 ..... ..... 000 ..... 1010011 @r fsgnjn_h 0010010 ..... ..... 001 ..... 1010011 @r fsgnjx_h 0010010 ..... ..... 010 ..... 1010011 @r fmin_h 0010110 ..... ..... 000 ..... 1010011 @r fmax_h 0010110 ..... ..... 001 ..... 1010011 @r fcvt_h_s 0100010 00000 ..... ... ..... 1010011 @r2_rm fcvt_s_h 0100000 00010 ..... ... ..... 1010011 @r2_rm fcvt_h_d 0100010 00001 ..... ... ..... 1010011 @r2_rm fcvt_d_h 0100001 00010 ..... ... ..... 1010011 @r2_rm fcvt_w_h 1100010 00000 ..... ... ..... 1010011 @r2_rm fcvt_wu_h 1100010 00001 ..... ... ..... 1010011 @r2_rm fmv_x_h 1110010 00000 ..... 000 ..... 1010011 @r2 feq_h 1010010 ..... ..... 010 ..... 1010011 @r flt_h 1010010 ..... ..... 001 ..... 1010011 @r fle_h 1010010 ..... ..... 000 ..... 1010011 @r fclass_h 1110010 00000 ..... 001 ..... 1010011 @r2 fcvt_h_w 1101010 00000 ..... ... ..... 1010011 @r2_rm fcvt_h_wu 1101010 00001 ..... ... ..... 1010011 @r2_rm fmv_h_x 1111010 00000 ..... 000 ..... 1010011 @r2 # *** RV64 Zfh Extension (in addition to RV32 Zfh) *** fcvt_l_h 1100010 00010 ..... ... ..... 1010011 @r2_rm fcvt_lu_h 1100010 00011 ..... ... ..... 1010011 @r2_rm fcvt_h_l 1101010 00010 ..... ... ..... 1010011 @r2_rm fcvt_h_lu 1101010 00011 ..... ... ..... 1010011 @r2_rm # *** Svinval Standard Extension *** sinval_vma 0001011 ..... ..... 000 00000 1110011 @sfence_vma sfence_w_inval 0001100 00000 00000 000 00000 1110011 sfence_inval_ir 0001100 00001 00000 000 00000 1110011 hinval_vvma 0010011 ..... ..... 000 00000 1110011 @hfence_vvma hinval_gvma 0110011 ..... ..... 000 00000 1110011 @hfence_gvma # *** RV32 Zknd Standard Extension *** aes32dsmi .. 10111 ..... ..... 000 ..... 0110011 @k_aes aes32dsi .. 10101 ..... ..... 000 ..... 0110011 @k_aes # *** RV64 Zknd Standard Extension *** aes64dsm 00 11111 ..... ..... 000 ..... 0110011 @r aes64ds 00 11101 ..... ..... 000 ..... 0110011 @r aes64im 00 11000 00000 ..... 001 ..... 0010011 @r2 # *** RV32 Zkne Standard Extension *** aes32esmi .. 10011 ..... ..... 000 ..... 0110011 @k_aes aes32esi .. 10001 ..... ..... 000 ..... 0110011 @k_aes # *** RV64 Zkne Standard Extension *** aes64es 00 11001 ..... ..... 000 ..... 0110011 @r aes64esm 00 11011 ..... ..... 000 ..... 0110011 @r # *** RV64 Zkne/zknd Standard Extension *** aes64ks2 01 11111 ..... ..... 000 ..... 0110011 @r aes64ks1i 00 11000 1.... ..... 001 ..... 0010011 @i_aes # *** RV32 Zknh Standard Extension *** sha256sig0 00 01000 00010 ..... 001 ..... 0010011 @r2 sha256sig1 00 01000 00011 ..... 001 ..... 0010011 @r2 sha256sum0 00 01000 00000 ..... 001 ..... 0010011 @r2 sha256sum1 00 01000 00001 ..... 001 ..... 0010011 @r2 sha512sum0r 01 01000 ..... ..... 000 ..... 0110011 @r sha512sum1r 01 01001 ..... ..... 000 ..... 0110011 @r sha512sig0l 01 01010 ..... ..... 000 ..... 0110011 @r sha512sig0h 01 01110 ..... ..... 000 ..... 0110011 @r sha512sig1l 01 01011 ..... ..... 000 ..... 0110011 @r sha512sig1h 01 01111 ..... ..... 000 ..... 0110011 @r # *** RV64 Zknh Standard Extension *** sha512sig0 00 01000 00110 ..... 001 ..... 0010011 @r2 sha512sig1 00 01000 00111 ..... 001 ..... 0010011 @r2 sha512sum0 00 01000 00100 ..... 001 ..... 0010011 @r2 sha512sum1 00 01000 00101 ..... 001 ..... 0010011 @r2 # *** RV32 Zksh Standard Extension *** sm3p0 00 01000 01000 ..... 001 ..... 0010011 @r2 sm3p1 00 01000 01001 ..... 001 ..... 0010011 @r2 # *** RV32 Zksed Standard Extension *** sm4ed .. 11000 ..... ..... 000 ..... 0110011 @k_aes sm4ks .. 11010 ..... ..... 000 ..... 0110011 @k_aes # *** RV32 Zicond Standard Extension *** czero_eqz 0000111 ..... ..... 101 ..... 0110011 @r czero_nez 0000111 ..... ..... 111 ..... 0110011 @r # *** Zfbfmin Standard Extension *** fcvt_bf16_s 0100010 01000 ..... ... ..... 1010011 @r2_rm fcvt_s_bf16 0100000 00110 ..... ... ..... 1010011 @r2_rm # *** Zvfbfmin Standard Extension *** vfncvtbf16_f_f_w 010010 . ..... 11101 001 ..... 1010111 @r2_vm vfwcvtbf16_f_f_v 010010 . ..... 01101 001 ..... 1010111 @r2_vm # *** Zvfbfwma Standard Extension *** vfwmaccbf16_vv 111011 . ..... ..... 001 ..... 1010111 @r_vm vfwmaccbf16_vf 111011 . ..... ..... 101 ..... 1010111 @r_vm # *** Zvbc vector crypto extension *** vclmul_vv 001100 . ..... ..... 010 ..... 1010111 @r_vm vclmul_vx 001100 . ..... ..... 110 ..... 1010111 @r_vm vclmulh_vv 001101 . ..... ..... 010 ..... 1010111 @r_vm vclmulh_vx 001101 . ..... ..... 110 ..... 1010111 @r_vm # *** Zvbb vector crypto extension *** vrol_vv 010101 . ..... ..... 000 ..... 1010111 @r_vm vrol_vx 010101 . ..... ..... 100 ..... 1010111 @r_vm vror_vv 010100 . ..... ..... 000 ..... 1010111 @r_vm vror_vx 010100 . ..... ..... 100 ..... 1010111 @r_vm vror_vi 01010. . ..... ..... 011 ..... 1010111 @r2_zimm6 vbrev8_v 010010 . ..... 01000 010 ..... 1010111 @r2_vm vrev8_v 010010 . ..... 01001 010 ..... 1010111 @r2_vm vandn_vv 000001 . ..... ..... 000 ..... 1010111 @r_vm vandn_vx 000001 . ..... ..... 100 ..... 1010111 @r_vm vbrev_v 010010 . ..... 01010 010 ..... 1010111 @r2_vm vclz_v 010010 . ..... 01100 010 ..... 1010111 @r2_vm vctz_v 010010 . ..... 01101 010 ..... 1010111 @r2_vm vcpop_v 010010 . ..... 01110 010 ..... 1010111 @r2_vm vwsll_vv 110101 . ..... ..... 000 ..... 1010111 @r_vm vwsll_vx 110101 . ..... ..... 100 ..... 1010111 @r_vm vwsll_vi 110101 . ..... ..... 011 ..... 1010111 @r_vm # *** Zvkned vector crypto extension *** vaesef_vv 101000 1 ..... 00011 010 ..... 1110111 @r2_vm_1 vaesef_vs 101001 1 ..... 00011 010 ..... 1110111 @r2_vm_1 vaesdf_vv 101000 1 ..... 00001 010 ..... 1110111 @r2_vm_1 vaesdf_vs 101001 1 ..... 00001 010 ..... 1110111 @r2_vm_1 vaesem_vv 101000 1 ..... 00010 010 ..... 1110111 @r2_vm_1 vaesem_vs 101001 1 ..... 00010 010 ..... 1110111 @r2_vm_1 vaesdm_vv 101000 1 ..... 00000 010 ..... 1110111 @r2_vm_1 vaesdm_vs 101001 1 ..... 00000 010 ..... 1110111 @r2_vm_1 vaesz_vs 101001 1 ..... 00111 010 ..... 1110111 @r2_vm_1 vaeskf1_vi 100010 1 ..... ..... 010 ..... 1110111 @r_vm_1 vaeskf2_vi 101010 1 ..... ..... 010 ..... 1110111 @r_vm_1 # *** Zvknh vector crypto extension *** vsha2ms_vv 101101 1 ..... ..... 010 ..... 1110111 @r_vm_1 vsha2ch_vv 101110 1 ..... ..... 010 ..... 1110111 @r_vm_1 vsha2cl_vv 101111 1 ..... ..... 010 ..... 1110111 @r_vm_1 # *** Zvksh vector crypto extension *** vsm3me_vv 100000 1 ..... ..... 010 ..... 1110111 @r_vm_1 vsm3c_vi 101011 1 ..... ..... 010 ..... 1110111 @r_vm_1 # *** Zvkg vector crypto extension *** vghsh_vv 101100 1 ..... ..... 010 ..... 1110111 @r_vm_1 vgmul_vv 101000 1 ..... 10001 010 ..... 1110111 @r2_vm_1 # *** Zvksed vector crypto extension *** vsm4k_vi 100001 1 ..... ..... 010 ..... 1110111 @r_vm_1 vsm4r_vv 101000 1 ..... 10000 010 ..... 1110111 @r2_vm_1 vsm4r_vs 101001 1 ..... 10000 010 ..... 1110111 @r2_vm_1 # *** RV32 Zacas Standard Extension *** amocas_w 00101 . . ..... ..... 010 ..... 0101111 @atom_st amocas_d 00101 . . ..... ..... 011 ..... 0101111 @atom_st # *** RV64 Zacas Standard Extension *** amocas_q 00101 . . ..... ..... 100 ..... 0101111 @atom_st # *** Zimop may-be-operation extension *** { # zicfiss instructions carved out of mop.r [ ssrdp 1100110 11100 00000 100 rd:5 1110011 sspopchk 1100110 11100 00001 100 00000 1110011 &r2 rs1=1 rd=0 sspopchk 1100110 11100 00101 100 00000 1110011 &r2 rs1=5 rd=0 ] mop_r_n 1 . 00 .. 0111 .. ..... 100 ..... 1110011 @mop5 } { # zicfiss instruction carved out of mop.rr [ sspush 1100111 00001 00000 100 00000 1110011 &r2_s rs2=1 rs1=0 sspush 1100111 00101 00000 100 00000 1110011 &r2_s rs2=5 rs1=0 ] mop_rr_n 1 . 00 .. 1 ..... ..... 100 ..... 1110011 @mop3 } # *** Zabhb Standard Extension *** amoswap_b 00001 . . ..... ..... 000 ..... 0101111 @atom_st amoadd_b 00000 . . ..... ..... 000 ..... 0101111 @atom_st amoxor_b 00100 . . ..... ..... 000 ..... 0101111 @atom_st amoand_b 01100 . . ..... ..... 000 ..... 0101111 @atom_st amoor_b 01000 . . ..... ..... 000 ..... 0101111 @atom_st amomin_b 10000 . . ..... ..... 000 ..... 0101111 @atom_st amomax_b 10100 . . ..... ..... 000 ..... 0101111 @atom_st amominu_b 11000 . . ..... ..... 000 ..... 0101111 @atom_st amomaxu_b 11100 . . ..... ..... 000 ..... 0101111 @atom_st amoswap_h 00001 . . ..... ..... 001 ..... 0101111 @atom_st amoadd_h 00000 . . ..... ..... 001 ..... 0101111 @atom_st amoxor_h 00100 . . ..... ..... 001 ..... 0101111 @atom_st amoand_h 01100 . . ..... ..... 001 ..... 0101111 @atom_st amoor_h 01000 . . ..... ..... 001 ..... 0101111 @atom_st amomin_h 10000 . . ..... ..... 001 ..... 0101111 @atom_st amomax_h 10100 . . ..... ..... 001 ..... 0101111 @atom_st amominu_h 11000 . . ..... ..... 001 ..... 0101111 @atom_st amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st amocas_b 00101 . . ..... ..... 000 ..... 0101111 @atom_st amocas_h 00101 . . ..... ..... 001 ..... 0101111 @atom_st