XADD_LOCK

SEMAPHORE I486REAL x86_64

2 encoding forms.

XED_XADD_LOCK_X86_LEGACY_0F_C0_257934
MEM0:rw:b REG0=GPR8_R():rw
X86_LEGACY C0 /r I486REAL
XED_XADD_LOCK_X86_LEGACY_0F_C1_152382
MEM0:rw:v REG0=GPRv_R():rw
X86_LEGACY C1 /r I486REAL