66FFE0
ICLASS:     JMP
CATEGORY:   UNCOND_BR
EXTENSION:  BASE
IFORM:      JMP_GPRv
ISA_SET:    I86
ATTRIBUTES: INDIRECT_BRANCH MPX_PREFIX_ABLE SCALABLE 
SHORT:      jmp rax
Encodable! FFE0
Discrepenacy after re-encoding. dec_len= 3 [66FFE0] enc_olen= 2 [FFE0] for instruction: JMP JMP_GPRv DF64, EASZ:3, EOSZ:3, HAS_MODRM:1, LZCNT, MAX_BYTES:3, MOD:3, MODE:2, MODRM_BYTE:224, NOMINAL_OPCODE:255, NPREFIXES:1, OUTREG:RAX, P4, POS_MODRM:2, POS_NOMINAL_OPCODE:1, PREFIX66, REG:4, REG0:RAX, REG1:RIP, SMODE:2, SRM:7, TZCNT
0		REG0/R/V/EXPLICIT/NT_LOOKUP_FN/GPRV_B
1		REG1/W/Y/SUPPRESSED/NT_LOOKUP_FN/RIP
YDIS: jmp rax
vs Encode  request: JMP DF64, EASZ:3, EOSZ:3, HAS_MODRM:1, LZCNT, MAX_BYTES:3, MOD:3, MODE:2, MODRM_BYTE:224, NOMINAL_OPCODE:255, NPREFIXES:1, OUTREG:RAX, P4, POS_MODRM:2, POS_NOMINAL_OPCODE:1, PREFIX66, REG:4, REG0:RAX, REG1:RIP, SMODE:2, SRM:7, TZCNT
OPERAND ORDER: REG0