DEC_LOCK

BINARY I86 x86_64

2 encoding forms.

XED_DEC_LOCK_X86_LEGACY_ONEBYTE_FE_674536
MEM0:rw:b
X86_LEGACY FE /1 I86
XED_DEC_LOCK_X86_LEGACY_ONEBYTE_FF_728810
MEM0:rw:v
X86_LEGACY FF /1 I86