XABORT

REG0=XED_REG_EAX:rcw:SUPP IMM0:r:b

x86_64 X86_LEGACY UNCOND_BR RTM source: xed branch

XED_XABORT_X86_LEGACY_ONEBYTE_C6_788975

Encoding

encoding_kindX86_LEGACY
opcode_bytesC6
opcode_mapONEBYTE
mandatory_prefix-
has_modrmTrue
modrm.reg = /7/7
imm_size_bytes1
cpl3
raw_encoding0xC6 MOD[0b11] MOD=3 REG[0b111] RM[0b000] UIMM8()

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG (=EAX) R SUPPRESSED MODRM_REG
1 IMM0 IMM b R EXPLICIT IMM

Micro-ops sequence (0)

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