diff --git a/kernel/x86_64/dgemm_small_kernel_nn_skylakex.c b/kernel/x86_64/dgemm_small_kernel_nn_skylakex.c
index d9b380fff..5d7b3c66b 100644
--- a/kernel/x86_64/dgemm_small_kernel_nn_skylakex.c
+++ b/kernel/x86_64/dgemm_small_kernel_nn_skylakex.c
@@ -24,6 +24,7 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
+#if (( defined(__GNUC__)  && __GNUC__   > 6 && defined(__AVX512CD__)) || (defined(__clang__) && __clang_major__ >= 9))
 
 #include <immintrin.h>
 #include "common.h"
@@ -588,3 +589,7 @@ int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alp
 	}
 	return 0;
 }
+#else
+#include ../generic/gemm_small_matrix_kernel_nn.c
+#endif
+
diff --git a/kernel/x86_64/dgemm_small_kernel_tn_skylakex.c b/kernel/x86_64/dgemm_small_kernel_tn_skylakex.c
index 18c797283..e63873988 100644
--- a/kernel/x86_64/dgemm_small_kernel_tn_skylakex.c
+++ b/kernel/x86_64/dgemm_small_kernel_tn_skylakex.c
@@ -24,6 +24,7 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
+#if (( defined(__GNUC__)  && __GNUC__   > 6 && defined(__AVX512CD__)) || (defined(__clang__) && __clang_major__ >= 9))
 
 #include <immintrin.h>
 #include "common.h"
@@ -320,3 +321,7 @@ int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alp
 	}
 	return 0;
 }
+#else
+#include ../generic/gemm_small_matrix_kernel_tn.c
+#endif
+
diff --git a/kernel/x86_64/sgemm_small_kernel_nn_skylakex.c b/kernel/x86_64/sgemm_small_kernel_nn_skylakex.c
index 9bc7a7c58..215add010 100644
--- a/kernel/x86_64/sgemm_small_kernel_nn_skylakex.c
+++ b/kernel/x86_64/sgemm_small_kernel_nn_skylakex.c
@@ -24,6 +24,7 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
+#if (( defined(__GNUC__)  && __GNUC__   > 6 && defined(__AVX512CD__)) || (defined(__clang__) && __clang_major__ >= 9))
 
 #include <immintrin.h>
 #include "common.h"
@@ -610,3 +611,7 @@ int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alp
 	}
 	return 0;
 }
+#else
+#include ../generic/gemm_small_matrix_kernel_nn.c
+#endif
+
diff --git a/kernel/x86_64/sgemm_small_kernel_tn_skylakex.c b/kernel/x86_64/sgemm_small_kernel_tn_skylakex.c
index 5a9a4ea32..f394b5b3a 100644
--- a/kernel/x86_64/sgemm_small_kernel_tn_skylakex.c
+++ b/kernel/x86_64/sgemm_small_kernel_tn_skylakex.c
@@ -24,6 +24,7 @@ CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
+#if (( defined(__GNUC__)  && __GNUC__   > 6 && defined(__AVX512CD__)) || (defined(__clang__) && __clang_major__ >= 9))
 
 #include <immintrin.h>
 #include "common.h"
@@ -314,3 +315,7 @@ int CNAME(BLASLONG M, BLASLONG N, BLASLONG K, FLOAT * A, BLASLONG lda, FLOAT alp
 	}
 	return 0;
 }
+#else
+#include ../generic/gemm_small_matrix_kernel_tn.c
+#endif
+