}
}

func TestX86ifAVX512FhasAVX2(t *testing.T) {
	if X86.HasAVX512F && !X86.HasAVX2 {
		t.Fatalf("HasAVX2 expected true when HasAVX512F is true, got false")
	}
}

func TestX86ifAVX512BWhasAVX512F(t *testing.T) {
	if X86.HasAVX512BW && !X86.HasAVX512F {
		t.Fatalf("HasAVX512F expected true when HasAVX512BW is true, got false")
	}
}

func TestX86ifAVX512VLhasAVX512F(t *testing.T) {

	X86.HasBMI2 = isSet(ebx7, cpuid_BMI2)
	X86.HasERMS = isSet(ebx7, cpuid_ERMS)
	X86.HasADX = isSet(ebx7, cpuid_ADX)
	X86.HasSHA = isSet(ebx7, cpuid_SHA)

	X86.HasAVX512F = isSet(ebx7, cpuid_AVX512F) && osSupportsAVX512
	if X86.HasAVX512F {
		X86.HasAVX512BW = isSet(ebx7, cpuid_AVX512BW)
		X86.HasAVX512VL = isSet(ebx7, cpuid_AVX512VL)
	}

	var maxExtendedInformation uint32

#define hasPOPCNT
#define hasSSE42
#endif

#ifdef GOAMD64_v3
#define hasAVX
#define hasAVX2
#define hasPOPCNT
#define hasSSE42
#endif

#ifdef GOAMD64_v4
#define hasAVX
#define hasAVX2
#define hasAVX512F
#define hasAVX512BW
#define hasAVX512VL
#define hasPOPCNT
#define hasSSE42

		{Name: "aes", Feature: &X86.HasAES},
		{Name: "avx", Feature: &X86.HasAVX},
		{Name: "avx2", Feature: &X86.HasAVX2},
		{Name: "avx512", Feature: &X86.HasAVX512},
		{Name: "avx512f", Feature: &X86.HasAVX512F},
		{Name: "avx512cd", Feature: &X86.HasAVX512CD},
		{Name: "avx512er", Feature: &X86.HasAVX512ER},
		{Name: "avx512pf", Feature: &X86.HasAVX512PF},
		{Name: "avx512vl", Feature: &X86.HasAVX512VL},

// The struct is padded to avoid false sharing.
var X86 struct {
	_            CacheLinePad
	HasAES       bool
	HasADX       bool
	HasAVX       bool
	HasAVX2      bool
	HasAVX512F   bool
	HasAVX512BW  bool
	HasAVX512VL  bool
	HasBMI1      bool
	HasBMI2      bool
	HasERMS      bool
	HasFMA       bool
	HasOSXSAVE   bool
	HasPCLMULQDQ bool
	HasPOPCNT    bool
	HasRDTSCP    bool

	HasAVX              bool // Advanced vector extension
	HasAVX2             bool // Advanced vector extension 2
	HasAVX512           bool // Advanced vector extension 512
	HasAVX512F          bool // Advanced vector extension 512 Foundation Instructions
	HasAVX512CD         bool // Advanced vector extension 512 Conflict Detection Instructions