FNSTENV

X87_ALU X87 x86_64

2 encoding forms.

X86_FNSTENV_X86_LEGACY_ONEBYTE_D9_304821
mem
X86_LEGACY D9 /6 FPU
XED_FNSTENV_X86_LEGACY_ONEBYTE_D9_727279
MEM0:w:mem14 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem14 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem14 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem28 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem28 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem28 REG0=XED_REG_X87STATUS:w:SUPP MEM0:w:mem28 REG0=XED_REG_X87STATUS:w:SUPP
X86_LEGACY D9 D9 D9 D9 D9 D9 D9 /6 X87