XCHG

REG0=GPRv_SB():rw REG1=OrAX():rw:IMPL REG0=GPRv_SB():rw REG1=OrAX():rw:IMPL REG0=GPRv_SB():rw REG1=OrAX():rw:IMPL

x86_64 X86_LEGACY DATAXFER I86 source: xed

XED_XCHG_X86_LEGACY_ONEBYTE_00_816468

Encoding

encoding_kindX86_LEGACY
opcode_bytes00
opcode_mapONEBYTE
mandatory_prefix-
has_modrmFalse
cpl3
raw_encoding0b1001_0 SRM[rrr] SRM!=0 0b1001_0 SRM[rrr] SRM=0 not_refining_f3 rexb_prefix 0b1001_0 SRM[rrr] SRM=0 not_refining_f3 norexb_prefix rexb4_prefix

Operands (6)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 REG0 REG RW EXPLICIT MODRM_REG
1 REG1 REG RW IMPLICIT MODRM_REG
2 REG2 REG RW EXPLICIT MODRM_REG
3 REG3 REG RW IMPLICIT MODRM_REG
4 REG4 REG RW EXPLICIT MODRM_REG
5 REG5 REG RW IMPLICIT MODRM_REG

Micro-ops sequence (0)

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