}
	level := getGOAMD64level()
	if level < 2 {
		// These options are required at level 2. At lower levels
		// they can be turned off.
		options = append(options,
			option{Name: "popcnt", Feature: &X86.HasPOPCNT},
			option{Name: "sse3", Feature: &X86.HasSSE3},
			option{Name: "sse41", Feature: &X86.HasSSE41},
			option{Name: "sse42", Feature: &X86.HasSSE42},
			option{Name: "ssse3", Feature: &X86.HasSSSE3})