NOT

REG0=GPR8_B():rw

x86_64 X86_LEGACY LOGICAL I86 source: xed

XED_NOT_X86_LEGACY_ONEBYTE_F6_176894

Encoding

encoding_kindX86_LEGACY
opcode_bytesF6
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
modrm.reg = /2/2
attributesBYTEOP
cpl3
raw_encoding0xF6 MOD[0b11] MOD=3 REG[0b010] RM[nnn]

Operands (1)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG RW EXPLICIT MODRM_REG

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.