FXSAVE64

SSE FXSAVE64 x86_64

2 encoding forms.

X86_FXSAVE64_X86_LEGACY_0F_AE_304821
mem
X86_LEGACY AE /0 FXSR
XED_FXSAVE64_X86_LEGACY_0F_AE_295412
MEM0:w:mfpxenv REG0=XED_REG_X87CONTROL:r:SUPP
X86_LEGACY AE /0 FXSAVE64