target/riscv: rvv-1.0: floating-point/integer type-convert instructions

[mirror_qemu.git] / target / riscv / insn32.decode

#
# 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 <http://www.gnu.org/licenses/>.

# Fields:
%rs3       27:5
%rs2       20:5
%rs1       15:5
%rd        7:5
%sh5       20:5

%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

# 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

# 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_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_zimm . zimm:11  ..... ... ..... ....... %rs1 %rd
@r2_s    .......   ..... ..... ... ..... ....... %rs2 %rs1

@hfence_gvma ....... ..... .....   ... ..... ....... %rs2 %rs1
@hfence_vvma ....... ..... .....   ... ..... ....... %rs2 %rs1

@sfence_vma ....... ..... .....   ... ..... ....... %rs2 %rs1
@sfence_vm  ....... ..... .....   ... ..... ....... %rs1

# Formats 64:
@sh5     .......  ..... .....  ... ..... ....... &shift  shamt=%sh5      %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
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
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
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

# *** 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

# *** 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
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
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 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
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   100010 . ..... 01000 001 ..... 1010111 @r2_vm
vfwcvt_x_f_v    100010 . ..... 01001 001 ..... 1010111 @r2_vm
vfwcvt_f_xu_v   100010 . ..... 01010 001 ..... 1010111 @r2_vm
vfwcvt_f_x_v    100010 . ..... 01011 001 ..... 1010111 @r2_vm
vfwcvt_f_f_v    100010 . ..... 01100 001 ..... 1010111 @r2_vm
vfncvt_xu_f_v   100010 . ..... 10000 001 ..... 1010111 @r2_vm
vfncvt_x_f_v    100010 . ..... 10001 001 ..... 1010111 @r2_vm
vfncvt_f_xu_v   100010 . ..... 10010 001 ..... 1010111 @r2_vm
vfncvt_f_x_v    100010 . ..... 10011 001 ..... 1010111 @r2_vm
vfncvt_f_f_v    100010 . ..... 10100 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
vfredsum_vs     0000-1 . ..... ..... 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
vfwredsum_vs    1100-1 . ..... ..... 001 ..... 1010111 @r_vm
vmand_mm        011001 - ..... ..... 010 ..... 1010111 @r
vmnand_mm       011101 - ..... ..... 010 ..... 1010111 @r
vmandnot_mm     011000 - ..... ..... 010 ..... 1010111 @r
vmxor_mm        011011 - ..... ..... 010 ..... 1010111 @r
vmor_mm         011010 - ..... ..... 010 ..... 1010111 @r
vmnor_mm        011110 - ..... ..... 010 ..... 1010111 @r
vmornot_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_zimm
vsetvl          1000000 ..... ..... 111 ..... 1010111  @r

# *** 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 Standard Extension ***
andn       0100000 .......... 111 ..... 0110011 @r
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
# The encoding for rev8 differs between RV32 and RV64.
# rev8_32 denotes the RV32 variant.
rev8_32    011010 011000 ..... 101 ..... 0010011 @r2
rol        0110000 .......... 001 ..... 0110011 @r
ror        0110000 .......... 101 ..... 0110011 @r
rori       01100 ............ 101 ..... 0010011 @sh
sext_b     011000 000100 ..... 001 ..... 0010011 @r2
sext_h     011000 000101 ..... 001 ..... 0010011 @r2
xnor       0100000 .......... 100 ..... 0110011 @r
# 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

# *** RV64 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
# 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

# *** RV32 Zbc Standard Extension ***
clmul      0000101 .......... 001 ..... 0110011 @r
clmulh     0000101 .......... 011 ..... 0110011 @r
clmulr     0000101 .......... 010 ..... 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

# *** 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