LFENCE

MISC SSE2 x86_64

2 encoding forms.

X86_LFENCE_X86_LEGACY_0F_AE_0
(no syntax)
X86_LEGACY AE SSE2
XED_LFENCE_X86_LEGACY_0F_AE_960803
(no syntax)
X86_LEGACY AE /5 SSE2