RV32I: 
  LUI:
    encoding: 0b00000000000000000000000000110111
    mask: 0b00000000000000000000000001111111
    size:   32
    branch:   false
    delay:   1
  AUIPC:
    encoding: 0b00000000000000000000000000010111
    mask: 0b00000000000000000000000001111111
    size:   32
    branch:   false
    delay:   1
  JAL:
    encoding: 0b00000000000000000000000001101111
    mask: 0b00000000000000000000000001111111
    size:   32
    branch:   true
    delay:   1
  JALR:
    encoding: 0b00000000000000000000000001100111
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BEQ:
    encoding: 0b00000000000000000000000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BNE:
    encoding: 0b00000000000000000001000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BLT:
    encoding: 0b00000000000000000100000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BGE:
    encoding: 0b00000000000000000101000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BLTU:
    encoding: 0b00000000000000000110000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  BGEU:
    encoding: 0b00000000000000000111000001100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   true
    delay:   [1,1]
  LB:
    encoding: 0b00000000000000000000000000000011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  LH:
    encoding: 0b00000000000000000001000000000011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  LW:
    encoding: 0b00000000000000000010000000000011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  LBU:
    encoding: 0b00000000000000000100000000000011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  LHU:
    encoding: 0b00000000000000000101000000000011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SB:
    encoding: 0b00000000000000000000000000100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SH:
    encoding: 0b00000000000000000001000000100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SW:
    encoding: 0b00000000000000000010000000100011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  ADDI:
    encoding: 0b00000000000000000000000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLTI:
    encoding: 0b00000000000000000010000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLTIU:
    encoding: 0b00000000000000000011000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  XORI:
    encoding: 0b00000000000000000100000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  ORI:
    encoding: 0b00000000000000000110000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  ANDI:
    encoding: 0b00000000000000000111000000010011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLLI:
    encoding: 0b00000000000000000001000000010011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SRLI:
    encoding: 0b00000000000000000101000000010011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SRAI:
    encoding: 0b01000000000000000101000000010011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  ADD:
    encoding: 0b00000000000000000000000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SUB:
    encoding: 0b01000000000000000000000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLL:
    encoding: 0b00000000000000000001000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLT:
    encoding: 0b00000000000000000010000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SLTU:
    encoding: 0b00000000000000000011000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  XOR:
    encoding: 0b00000000000000000100000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SRL:
    encoding: 0b00000000000000000101000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  SRA:
    encoding: 0b01000000000000000101000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  OR:
    encoding: 0b00000000000000000110000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  AND:
    encoding: 0b00000000000000000111000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  FENCE:
    encoding: 0b00000000000000000000000000001111
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  ECALL:
    encoding: 0b00000000000000000000000001110011
    mask: 0b11111111111111111111111111111111
    size:   32
    branch:   false
    delay:   1
  EBREAK:
    encoding: 0b00000000000100000000000001110011
    mask: 0b11111111111111111111111111111111
    size:   32
    branch:   false
    delay:   1
  MRET:
    encoding: 0b00110000001000000000000001110011
    mask: 0b11111111111111111111111111111111
    attributes: [[name:no_cont]]
    size:   32
    branch:   false
    delay:   1
  WFI:
    encoding: 0b00010000010100000000000001110011
    mask: 0b11111111111111111111111111111111
    size:   32
    branch:   false
    delay:   1
Zicsr: 
  CSRRW:
    encoding: 0b00000000000000000001000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  CSRRS:
    encoding: 0b00000000000000000010000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  CSRRC:
    encoding: 0b00000000000000000011000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  CSRRWI:
    encoding: 0b00000000000000000101000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  CSRRSI:
    encoding: 0b00000000000000000110000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  CSRRCI:
    encoding: 0b00000000000000000111000001110011
    mask: 0b00000000000000000111000001111111
    size:   32
    branch:   false
    delay:   1
Zifencei: 
  FENCE_I:
    encoding: 0b00000000000000000001000000001111
    mask: 0b00000000000000000111000001111111
    attributes: [[name:flush]]
    size:   32
    branch:   false
    delay:   1
RV32M: 
  MUL:
    encoding: 0b00000010000000000000000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  MULH:
    encoding: 0b00000010000000000001000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  MULHSU:
    encoding: 0b00000010000000000010000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  MULHU:
    encoding: 0b00000010000000000011000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  DIV:
    encoding: 0b00000010000000000100000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  DIVU:
    encoding: 0b00000010000000000101000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  REM:
    encoding: 0b00000010000000000110000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
  REMU:
    encoding: 0b00000010000000000111000000110011
    mask: 0b11111110000000000111000001111111
    size:   32
    branch:   false
    delay:   1
RV32IC: 
  C__ADDI4SPN:
    encoding: 0b0000000000000000
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__LW:
    encoding: 0b0100000000000000
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__SW:
    encoding: 0b1100000000000000
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__ADDI:
    encoding: 0b0000000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__NOP:
    encoding: 0b0000000000000001
    mask: 0b1110111110000011
    size:   16
    branch:   false
    delay:   1
  C__JAL:
    encoding: 0b0010000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   true
    delay:   1
  C__LI:
    encoding: 0b0100000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__LUI:
    encoding: 0b0110000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__ADDI16SP:
    encoding: 0b0110000100000001
    mask: 0b1110111110000011
    size:   16
    branch:   false
    delay:   1
  __reserved_clui:
    encoding: 0b0110000000000001
    mask: 0b1111000001111111
    size:   16
    branch:   false
    delay:   1
  C__SRLI:
    encoding: 0b1000000000000001
    mask: 0b1111110000000011
    size:   16
    branch:   false
    delay:   1
  C__SRAI:
    encoding: 0b1000010000000001
    mask: 0b1111110000000011
    size:   16
    branch:   false
    delay:   1
  C__ANDI:
    encoding: 0b1000100000000001
    mask: 0b1110110000000011
    size:   16
    branch:   false
    delay:   1
  C__SUB:
    encoding: 0b1000110000000001
    mask: 0b1111110001100011
    size:   16
    branch:   false
    delay:   1
  C__XOR:
    encoding: 0b1000110000100001
    mask: 0b1111110001100011
    size:   16
    branch:   false
    delay:   1
  C__OR:
    encoding: 0b1000110001000001
    mask: 0b1111110001100011
    size:   16
    branch:   false
    delay:   1
  C__AND:
    encoding: 0b1000110001100001
    mask: 0b1111110001100011
    size:   16
    branch:   false
    delay:   1
  C__J:
    encoding: 0b1010000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   true
    delay:   1
  C__BEQZ:
    encoding: 0b1100000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   true
    delay:   [1,1]
  C__BNEZ:
    encoding: 0b1110000000000001
    mask: 0b1110000000000011
    size:   16
    branch:   true
    delay:   [1,1]
  C__SLLI:
    encoding: 0b0000000000000010
    mask: 0b1111000000000011
    attributes: [[name:enable, value:1]]
    size:   16
    branch:   false
    delay:   1
  C__LWSP:
    encoding: 0b0100000000000010
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  C__MV:
    encoding: 0b1000000000000010
    mask: 0b1111000000000011
    size:   16
    branch:   false
    delay:   1
  C__JR:
    encoding: 0b1000000000000010
    mask: 0b1111000001111111
    size:   16
    branch:   true
    delay:   1
  __reserved_cmv:
    encoding: 0b1000000000000010
    mask: 0b1111111111111111
    size:   16
    branch:   false
    delay:   1
  C__ADD:
    encoding: 0b1001000000000010
    mask: 0b1111000000000011
    size:   16
    branch:   false
    delay:   1
  C__JALR:
    encoding: 0b1001000000000010
    mask: 0b1111000001111111
    size:   16
    branch:   true
    delay:   1
  C__EBREAK:
    encoding: 0b1001000000000010
    mask: 0b1111111111111111
    size:   16
    branch:   false
    delay:   1
  C__SWSP:
    encoding: 0b1100000000000010
    mask: 0b1110000000000011
    size:   16
    branch:   false
    delay:   1
  DII:
    encoding: 0b0000000000000000
    mask: 0b1111111111111111
    size:   16
    branch:   false
    delay:   1