CPUID2_OSXSAVE
CPUID2_OSXSAVE | CPUID2_AVX | CPUID2_F16C)
return ((cpu_feature2 & CPUID2_OSXSAVE) != 0 ? __fillcontextx2_xfpu :
if ((cpu_feature2 & CPUID2_OSXSAVE) != 0) {
if (!(regs[2] & CPUID2_OSXSAVE))
regs[2] &= ~CPUID2_OSXSAVE;
regs[2] |= CPUID2_OSXSAVE;
if (cpu_feature2 & CPUID2_OSXSAVE)