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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
hret      11..7=0 19..15=0 31..20=0x202 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.vm 11..7=0 rs1      31..20=0x104 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.s   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.s.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