libvirt/tests/cputestdata/x86-host+guest,model486-result.xml

<cpu mode='custom' match='exact'>
  <arch>x86_64</arch>
  <model fallback='allow'>486</model>
  <feature policy='require' name='de'/>
  <feature policy='require' name='tsc'/>
  <feature policy='require' name='msr'/>
  <feature policy='require' name='pae'/>
  <feature policy='require' name='mce'/>
  <feature policy='require' name='cx8'/>
  <feature policy='require' name='apic'/>
  <feature policy='require' name='sep'/>
  <feature policy='require' name='mtrr'/>
  <feature policy='require' name='pge'/>
  <feature policy='require' name='mca'/>
  <feature policy='require' name='cmov'/>
  <feature policy='require' name='pat'/>
  <feature policy='require' name='pse36'/>
  <feature policy='require' name='clflush'/>
  <feature policy='require' name='mmx'/>
  <feature policy='require' name='fxsr'/>
  <feature policy='require' name='sse2'/>
  <feature policy='require' name='pbe'/>
  <feature policy='require' name='pni'/>
  <feature policy='require' name='monitor'/>
  <feature policy='require' name='ssse3'/>
  <feature policy='require' name='cx16'/>
  <feature policy='require' name='xtpr'/>
  <feature policy='require' name='dca'/>
  <feature policy='require' name='sse4.1'/>
  <feature policy='require' name='syscall'/>
  <feature policy='require' name='nx'/>
  <feature policy='require' name='lm'/>
  <feature policy='require' name='3dnowext'/>
  <feature policy='require' name='lahf_lm'/>
  <feature policy='require' name='svm'/>
  <feature policy='disable' name='vme'/>
</cpu>