FXRSTOR64

SSE FXSAVE64 x86_64

2 encoding forms.

X86_FXRSTOR64_X86_LEGACY_0F_AE_304821
mem
X86_LEGACY AE /1 FXSR
XED_FXRSTOR64_X86_LEGACY_0F_AE_650687
MEM0:r:mfpxenv REG0=XED_REG_X87CONTROL:w:SUPP
X86_LEGACY AE /1 FXSAVE64