SMSW

SYSTEM I286REAL x86_64

3 encoding forms.

X86_SMSW_X86_LEGACY_0F_01_866660
r16/m16
X86_LEGACY 01 /4
XED_SMSW_X86_LEGACY_0F_01_405756
MEM0:w:w REG0=XED_REG_CR0:r:SUPP
X86_LEGACY 01 /4 I286REAL
XED_SMSW_X86_LEGACY_0F_01_455744
REG0=GPRv_B():w REG1=XED_REG_CR0:r:SUPP
X86_LEGACY 01 /4 I286REAL