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# format of a line in this file:
# <instruction name> <args> <opcode>
#
# <opcode> is given by specifying one or more range/value pairs:
# hi..lo=value or bit=value or arg=value (e.g. 6..2=0x45 10=1 rd=0)
#
# <args> is one of rd, rs1, rs2, rs3, imm20, imm12, imm12lo, imm12hi,
# shamtw, shamt, rm
beq bimm12hi rs1 rs2 bimm12lo 14..12=0 6..2=0x18 1..0=3
bne bimm12hi rs1 rs2 bimm12lo 14..12=1 6..2=0x18 1..0=3
blt bimm12hi rs1 rs2 bimm12lo 14..12=4 6..2=0x18 1..0=3
bge bimm12hi rs1 rs2 bimm12lo 14..12=5 6..2=0x18 1..0=3
bltu bimm12hi rs1 rs2 bimm12lo 14..12=6 6..2=0x18 1..0=3
bgeu bimm12hi rs1 rs2 bimm12lo 14..12=7 6..2=0x18 1..0=3
jalr rd rs1 imm12 14..12=0 6..2=0x19 1..0=3
jal rd jimm20 6..2=0x1b 1..0=3
lui rd imm20 6..2=0x0D 1..0=3
auipc rd imm20 6..2=0x05 1..0=3
addi rd rs1 imm12 14..12=0 6..2=0x04 1..0=3
slli rd rs1 31..26=0 shamt 14..12=1 6..2=0x04 1..0=3
slti rd rs1 imm12 14..12=2 6..2=0x04 1..0=3
sltiu rd rs1 imm12 14..12=3 6..2=0x04 1..0=3
xori rd rs1 imm12 14..12=4 6..2=0x04 1..0=3
srli rd rs1 31..26=0 shamt 14..12=5 6..2=0x04 1..0=3
srai rd rs1 31..26=16 shamt 14..12=5 6..2=0x04 1..0=3
ori rd rs1 imm12 14..12=6 6..2=0x04 1..0=3
andi rd rs1 imm12 14..12=7 6..2=0x04 1..0=3
add rd rs1 rs2 31..25=0 14..12=0 6..2=0x0C 1..0=3
sub rd rs1 rs2 31..25=32 14..12=0 6..2=0x0C 1..0=3
sll rd rs1 rs2 31..25=0 14..12=1 6..2=0x0C 1..0=3
slt rd rs1 rs2 31..25=0 14..12=2 6..2=0x0C 1..0=3
sltu rd rs1 rs2 31..25=0 14..12=3 6..2=0x0C 1..0=3
xor rd rs1 rs2 31..25=0 14..12=4 6..2=0x0C 1..0=3
srl rd rs1 rs2 31..25=0 14..12=5 6..2=0x0C 1..0=3
sra rd rs1 rs2 31..25=32 14..12=5 6..2=0x0C 1..0=3
or rd rs1 rs2 31..25=0 14..12=6 6..2=0x0C 1..0=3
and rd rs1 rs2 31..25=0 14..12=7 6..2=0x0C 1..0=3
addiw rd rs1 imm12 14..12=0 6..2=0x06 1..0=3
slliw rd rs1 31..25=0 shamtw 14..12=1 6..2=0x06 1..0=3
srliw rd rs1 31..25=0 shamtw 14..12=5 6..2=0x06 1..0=3
sraiw rd rs1 31..25=32 shamtw 14..12=5 6..2=0x06 1..0=3
addw rd rs1 rs2 31..25=0 14..12=0 6..2=0x0E 1..0=3
subw rd rs1 rs2 31..25=32 14..12=0 6..2=0x0E 1..0=3
sllw rd rs1 rs2 31..25=0 14..12=1 6..2=0x0E 1..0=3
srlw rd rs1 rs2 31..25=0 14..12=5 6..2=0x0E 1..0=3
sraw rd rs1 rs2 31..25=32 14..12=5 6..2=0x0E 1..0=3
lb rd rs1 imm12 14..12=0 6..2=0x00 1..0=3
lh rd rs1 imm12 14..12=1 6..2=0x00 1..0=3
lw rd rs1 imm12 14..12=2 6..2=0x00 1..0=3
ld rd rs1 imm12 14..12=3 6..2=0x00 1..0=3
lbu rd rs1 imm12 14..12=4 6..2=0x00 1..0=3
lhu rd rs1 imm12 14..12=5 6..2=0x00 1..0=3
lwu rd rs1 imm12 14..12=6 6..2=0x00 1..0=3
sb imm12hi rs1 rs2 imm12lo 14..12=0 6..2=0x08 1..0=3
sh imm12hi rs1 rs2 imm12lo 14..12=1 6..2=0x08 1..0=3
sw imm12hi rs1 rs2 imm12lo 14..12=2 6..2=0x08 1..0=3
sd imm12hi rs1 rs2 imm12lo 14..12=3 6..2=0x08 1..0=3
fence 31..28=ignore pred succ 19..15=ignore 14..12=0 11..7=ignore 6..2=0x03 1..0=3
fence.i 31..28=ignore 27..20=ignore 19..15=ignore 14..12=1 11..7=ignore 6..2=0x03 1..0=3
# RV32M
mul rd rs1 rs2 31..25=1 14..12=0 6..2=0x0C 1..0=3
mulh rd rs1 rs2 31..25=1 14..12=1 6..2=0x0C 1..0=3
mulhsu rd rs1 rs2 31..25=1 14..12=2 6..2=0x0C 1..0=3
mulhu rd rs1 rs2 31..25=1 14..12=3 6..2=0x0C 1..0=3
div rd rs1 rs2 31..25=1 14..12=4 6..2=0x0C 1..0=3
divu rd rs1 rs2 31..25=1 14..12=5 6..2=0x0C 1..0=3
rem rd rs1 rs2 31..25=1 14..12=6 6..2=0x0C 1..0=3
remu rd rs1 rs2 31..25=1 14..12=7 6..2=0x0C 1..0=3
# RV64M
mulw rd rs1 rs2 31..25=1 14..12=0 6..2=0x0E 1..0=3
divw rd rs1 rs2 31..25=1 14..12=4 6..2=0x0E 1..0=3
divuw rd rs1 rs2 31..25=1 14..12=5 6..2=0x0E 1..0=3
remw rd rs1 rs2 31..25=1 14..12=6 6..2=0x0E 1..0=3
remuw rd rs1 rs2 31..25=1 14..12=7 6..2=0x0E 1..0=3
# RV32A
amoadd.w rd rs1 rs2 aqrl 31..29=0 28..27=0 14..12=2 6..2=0x0B 1..0=3
amoxor.w rd rs1 rs2 aqrl 31..29=1 28..27=0 14..12=2 6..2=0x0B 1..0=3
amoor.w rd rs1 rs2 aqrl 31..29=2 28..27=0 14..12=2 6..2=0x0B 1..0=3
amoand.w rd rs1 rs2 aqrl 31..29=3 28..27=0 14..12=2 6..2=0x0B 1..0=3
amomin.w rd rs1 rs2 aqrl 31..29=4 28..27=0 14..12=2 6..2=0x0B 1..0=3
amomax.w rd rs1 rs2 aqrl 31..29=5 28..27=0 14..12=2 6..2=0x0B 1..0=3
amominu.w rd rs1 rs2 aqrl 31..29=6 28..27=0 14..12=2 6..2=0x0B 1..0=3
amomaxu.w rd rs1 rs2 aqrl 31..29=7 28..27=0 14..12=2 6..2=0x0B 1..0=3
amoswap.w rd rs1 rs2 aqrl 31..29=0 28..27=1 14..12=2 6..2=0x0B 1..0=3
lr.w rd rs1 24..20=0 aqrl 31..29=0 28..27=2 14..12=2 6..2=0x0B 1..0=3
sc.w rd rs1 rs2 aqrl 31..29=0 28..27=3 14..12=2 6..2=0x0B 1..0=3
# RV64A
amoadd.d rd rs1 rs2 aqrl 31..29=0 28..27=0 14..12=3 6..2=0x0B 1..0=3
amoxor.d rd rs1 rs2 aqrl 31..29=1 28..27=0 14..12=3 6..2=0x0B 1..0=3
amoor.d rd rs1 rs2 aqrl 31..29=2 28..27=0 14..12=3 6..2=0x0B 1..0=3
amoand.d rd rs1 rs2 aqrl 31..29=3 28..27=0 14..12=3 6..2=0x0B 1..0=3
amomin.d rd rs1 rs2 aqrl 31..29=4 28..27=0 14..12=3 6..2=0x0B 1..0=3
amomax.d rd rs1 rs2 aqrl 31..29=5 28..27=0 14..12=3 6..2=0x0B 1..0=3
amominu.d rd rs1 rs2 aqrl 31..29=6 28..27=0 14..12=3 6..2=0x0B 1..0=3
amomaxu.d rd rs1 rs2 aqrl 31..29=7 28..27=0 14..12=3 6..2=0x0B 1..0=3
amoswap.d rd rs1 rs2 aqrl 31..29=0 28..27=1 14..12=3 6..2=0x0B 1..0=3
lr.d rd rs1 24..20=0 aqrl 31..29=0 28..27=2 14..12=3 6..2=0x0B 1..0=3
sc.d rd rs1 rs2 aqrl 31..29=0 28..27=3 14..12=3 6..2=0x0B 1..0=3
# SYSTEM
ecall 11..7=0 19..15=0 31..20=0x000 14..12=0 6..2=0x1C 1..0=3
ebreak 11..7=0 19..15=0 31..20=0x001 14..12=0 6..2=0x1C 1..0=3
uret 11..7=0 19..15=0 31..20=0x002 14..12=0 6..2=0x1C 1..0=3
sret 11..7=0 19..15=0 31..20=0x102 14..12=0 6..2=0x1C 1..0=3
mret 11..7=0 19..15=0 31..20=0x302 14..12=0 6..2=0x1C 1..0=3
dret 11..7=0 19..15=0 31..20=0x7b2 14..12=0 6..2=0x1C 1..0=3
sfence.vma 11..7=0 rs1 rs2 31..25=0x09 14..12=0 6..2=0x1C 1..0=3
wfi 11..7=0 19..15=0 31..20=0x105 14..12=0 6..2=0x1C 1..0=3
csrrw rd rs1 imm12 14..12=1 6..2=0x1C 1..0=3
csrrs rd rs1 imm12 14..12=2 6..2=0x1C 1..0=3
csrrc rd rs1 imm12 14..12=3 6..2=0x1C 1..0=3
csrrwi rd rs1 imm12 14..12=5 6..2=0x1C 1..0=3
csrrsi rd rs1 imm12 14..12=6 6..2=0x1C 1..0=3
csrrci rd rs1 imm12 14..12=7 6..2=0x1C 1..0=3
# F/D EXTENSIONS
fadd.s rd rs1 rs2 31..27=0x00 rm 26..25=0 6..2=0x14 1..0=3
fsub.s rd rs1 rs2 31..27=0x01 rm 26..25=0 6..2=0x14 1..0=3
fmul.s rd rs1 rs2 31..27=0x02 rm 26..25=0 6..2=0x14 1..0=3
fdiv.s rd rs1 rs2 31..27=0x03 rm 26..25=0 6..2=0x14 1..0=3
fsgnj.s rd rs1 rs2 31..27=0x04 14..12=0 26..25=0 6..2=0x14 1..0=3
fsgnjn.s rd rs1 rs2 31..27=0x04 14..12=1 26..25=0 6..2=0x14 1..0=3
fsgnjx.s rd rs1 rs2 31..27=0x04 14..12=2 26..25=0 6..2=0x14 1..0=3
fmin.s rd rs1 rs2 31..27=0x05 14..12=0 26..25=0 6..2=0x14 1..0=3
fmax.s rd rs1 rs2 31..27=0x05 14..12=1 26..25=0 6..2=0x14 1..0=3
fsqrt.s rd rs1 24..20=0 31..27=0x0B rm 26..25=0 6..2=0x14 1..0=3
fadd.d rd rs1 rs2 31..27=0x00 rm 26..25=1 6..2=0x14 1..0=3
fsub.d rd rs1 rs2 31..27=0x01 rm 26..25=1 6..2=0x14 1..0=3
fmul.d rd rs1 rs2 31..27=0x02 rm 26..25=1 6..2=0x14 1..0=3
fdiv.d rd rs1 rs2 31..27=0x03 rm 26..25=1 6..2=0x14 1..0=3
fsgnj.d rd rs1 rs2 31..27=0x04 14..12=0 26..25=1 6..2=0x14 1..0=3
fsgnjn.d rd rs1 rs2 31..27=0x04 14..12=1 26..25=1 6..2=0x14 1..0=3
fsgnjx.d rd rs1 rs2 31..27=0x04 14..12=2 26..25=1 6..2=0x14 1..0=3
fmin.d rd rs1 rs2 31..27=0x05 14..12=0 26..25=1 6..2=0x14 1..0=3
fmax.d rd rs1 rs2 31..27=0x05 14..12=1 26..25=1 6..2=0x14 1..0=3
fcvt.s.d rd rs1 24..20=1 31..27=0x08 rm 26..25=0 6..2=0x14 1..0=3
fcvt.d.s rd rs1 24..20=0 31..27=0x08 rm 26..25=1 6..2=0x14 1..0=3
fsqrt.d rd rs1 24..20=0 31..27=0x0B rm 26..25=1 6..2=0x14 1..0=3
fadd.q rd rs1 rs2 31..27=0x00 rm 26..25=3 6..2=0x14 1..0=3
fsub.q rd rs1 rs2 31..27=0x01 rm 26..25=3 6..2=0x14 1..0=3
fmul.q rd rs1 rs2 31..27=0x02 rm 26..25=3 6..2=0x14 1..0=3
fdiv.q rd rs1 rs2 31..27=0x03 rm 26..25=3 6..2=0x14 1..0=3
fsgnj.q rd rs1 rs2 31..27=0x04 14..12=0 26..25=3 6..2=0x14 1..0=3
fsgnjn.q rd rs1 rs2 31..27=0x04 14..12=1 26..25=3 6..2=0x14 1..0=3
fsgnjx.q rd rs1 rs2 31..27=0x04 14..12=2 26..25=3 6..2=0x14 1..0=3
fmin.q rd rs1 rs2 31..27=0x05 14..12=0 26..25=3 6..2=0x14 1..0=3
fmax.q rd rs1 rs2 31..27=0x05 14..12=1 26..25=3 6..2=0x14 1..0=3
fcvt.s.q rd rs1 24..20=3 31..27=0x08 rm 26..25=0 6..2=0x14 1..0=3
fcvt.q.s rd rs1 24..20=0 31..27=0x08 rm 26..25=3 6..2=0x14 1..0=3
fcvt.d.q rd rs1 24..20=3 31..27=0x08 rm 26..25=1 6..2=0x14 1..0=3
fcvt.q.d rd rs1 24..20=1 31..27=0x08 rm 26..25=3 6..2=0x14 1..0=3
fsqrt.q rd rs1 24..20=0 31..27=0x0B rm 26..25=3 6..2=0x14 1..0=3
fle.s rd rs1 rs2 31..27=0x14 14..12=0 26..25=0 6..2=0x14 1..0=3
flt.s rd rs1 rs2 31..27=0x14 14..12=1 26..25=0 6..2=0x14 1..0=3
feq.s rd rs1 rs2 31..27=0x14 14..12=2 26..25=0 6..2=0x14 1..0=3
fle.d rd rs1 rs2 31..27=0x14 14..12=0 26..25=1 6..2=0x14 1..0=3
flt.d rd rs1 rs2 31..27=0x14 14..12=1 26..25=1 6..2=0x14 1..0=3
feq.d rd rs1 rs2 31..27=0x14 14..12=2 26..25=1 6..2=0x14 1..0=3
fle.q rd rs1 rs2 31..27=0x14 14..12=0 26..25=3 6..2=0x14 1..0=3
flt.q rd rs1 rs2 31..27=0x14 14..12=1 26..25=3 6..2=0x14 1..0=3
feq.q rd rs1 rs2 31..27=0x14 14..12=2 26..25=3 6..2=0x14 1..0=3
fcvt.w.s rd rs1 24..20=0 31..27=0x18 rm 26..25=0 6..2=0x14 1..0=3
fcvt.wu.s rd rs1 24..20=1 31..27=0x18 rm 26..25=0 6..2=0x14 1..0=3
fcvt.l.s rd rs1 24..20=2 31..27=0x18 rm 26..25=0 6..2=0x14 1..0=3
fcvt.lu.s rd rs1 24..20=3 31..27=0x18 rm 26..25=0 6..2=0x14 1..0=3
fmv.x.w rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=0 6..2=0x14 1..0=3
fclass.s rd rs1 24..20=0 31..27=0x1C 14..12=1 26..25=0 6..2=0x14 1..0=3
fcvt.w.d rd rs1 24..20=0 31..27=0x18 rm 26..25=1 6..2=0x14 1..0=3
fcvt.wu.d rd rs1 24..20=1 31..27=0x18 rm 26..25=1 6..2=0x14 1..0=3
fcvt.l.d rd rs1 24..20=2 31..27=0x18 rm 26..25=1 6..2=0x14 1..0=3
fcvt.lu.d rd rs1 24..20=3 31..27=0x18 rm 26..25=1 6..2=0x14 1..0=3
fmv.x.d rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=1 6..2=0x14 1..0=3
fclass.d rd rs1 24..20=0 31..27=0x1C 14..12=1 26..25=1 6..2=0x14 1..0=3
fcvt.w.q rd rs1 24..20=0 31..27=0x18 rm 26..25=3 6..2=0x14 1..0=3
fcvt.wu.q rd rs1 24..20=1 31..27=0x18 rm 26..25=3 6..2=0x14 1..0=3
fcvt.l.q rd rs1 24..20=2 31..27=0x18 rm 26..25=3 6..2=0x14 1..0=3
fcvt.lu.q rd rs1 24..20=3 31..27=0x18 rm 26..25=3 6..2=0x14 1..0=3
fmv.x.q rd rs1 24..20=0 31..27=0x1C 14..12=0 26..25=3 6..2=0x14 1..0=3
fclass.q rd rs1 24..20=0 31..27=0x1C 14..12=1 26..25=3 6..2=0x14 1..0=3
fcvt.s.w rd rs1 24..20=0 31..27=0x1A rm 26..25=0 6..2=0x14 1..0=3
fcvt.s.wu rd rs1 24..20=1 31..27=0x1A rm 26..25=0 6..2=0x14 1..0=3
fcvt.s.l rd rs1 24..20=2 31..27=0x1A rm 26..25=0 6..2=0x14 1..0=3
fcvt.s.lu rd rs1 24..20=3 31..27=0x1A rm 26..25=0 6..2=0x14 1..0=3
fmv.w.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=0 6..2=0x14 1..0=3
fcvt.d.w rd rs1 24..20=0 31..27=0x1A rm 26..25=1 6..2=0x14 1..0=3
fcvt.d.wu rd rs1 24..20=1 31..27=0x1A rm 26..25=1 6..2=0x14 1..0=3
fcvt.d.l rd rs1 24..20=2 31..27=0x1A rm 26..25=1 6..2=0x14 1..0=3
fcvt.d.lu rd rs1 24..20=3 31..27=0x1A rm 26..25=1 6..2=0x14 1..0=3
fmv.d.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=1 6..2=0x14 1..0=3
fcvt.q.w rd rs1 24..20=0 31..27=0x1A rm 26..25=3 6..2=0x14 1..0=3
fcvt.q.wu rd rs1 24..20=1 31..27=0x1A rm 26..25=3 6..2=0x14 1..0=3
fcvt.q.l rd rs1 24..20=2 31..27=0x1A rm 26..25=3 6..2=0x14 1..0=3
fcvt.q.lu rd rs1 24..20=3 31..27=0x1A rm 26..25=3 6..2=0x14 1..0=3
fmv.q.x rd rs1 24..20=0 31..27=0x1E 14..12=0 26..25=3 6..2=0x14 1..0=3
flw rd rs1 imm12 14..12=2 6..2=0x01 1..0=3
fld rd rs1 imm12 14..12=3 6..2=0x01 1..0=3
flq rd rs1 imm12 14..12=4 6..2=0x01 1..0=3
fsw imm12hi rs1 rs2 imm12lo 14..12=2 6..2=0x09 1..0=3
fsd imm12hi rs1 rs2 imm12lo 14..12=3 6..2=0x09 1..0=3
fsq imm12hi rs1 rs2 imm12lo 14..12=4 6..2=0x09 1..0=3
fmadd.s rd rs1 rs2 rs3 rm 26..25=0 6..2=0x10 1..0=3
fmsub.s rd rs1 rs2 rs3 rm 26..25=0 6..2=0x11 1..0=3
fnmsub.s rd rs1 rs2 rs3 rm 26..25=0 6..2=0x12 1..0=3
fnmadd.s rd rs1 rs2 rs3 rm 26..25=0 6..2=0x13 1..0=3
fmadd.d rd rs1 rs2 rs3 rm 26..25=1 6..2=0x10 1..0=3
fmsub.d rd rs1 rs2 rs3 rm 26..25=1 6..2=0x11 1..0=3
fnmsub.d rd rs1 rs2 rs3 rm 26..25=1 6..2=0x12 1..0=3
fnmadd.d rd rs1 rs2 rs3 rm 26..25=1 6..2=0x13 1..0=3
fmadd.q rd rs1 rs2 rs3 rm 26..25=3 6..2=0x10 1..0=3
fmsub.q rd rs1 rs2 rs3 rm 26..25=3 6..2=0x11 1..0=3
fnmsub.q rd rs1 rs2 rs3 rm 26..25=3 6..2=0x12 1..0=3
fnmadd.q rd rs1 rs2 rs3 rm 26..25=3 6..2=0x13 1..0=3