diff --git a/Eigen/Core b/Eigen/Core
index 444c1c8d7..16be82ac2 100644
--- a/Eigen/Core
+++ b/Eigen/Core
@@ -150,6 +150,10 @@
       #define EIGEN_VECTORIZE_AVX2
       #define EIGEN_VECTORIZE_AVX
       #define EIGEN_VECTORIZE_FMA
+      #define EIGEN_VECTORIZE_SSE3
+      #define EIGEN_VECTORIZE_SSSE3
+      #define EIGEN_VECTORIZE_SSE4_1
+      #define EIGEN_VECTORIZE_SSE4_2
       #ifdef __AVX512DQ__
         #define EIGEN_VECTORIZE_AVX512DQ
       #endif
@@ -360,6 +364,8 @@ using std::ptrdiff_t;
   #include "src/Core/arch/SSE/PacketMath.h"
   #include "src/Core/arch/AVX/PacketMath.h"
   #include "src/Core/arch/AVX512/PacketMath.h"
+  #include "src/Core/arch/SSE/MathFunctions.h"
+  #include "src/Core/arch/AVX/MathFunctions.h"
   #include "src/Core/arch/AVX512/MathFunctions.h"
 #elif defined EIGEN_VECTORIZE_AVX
   // Use AVX for floats and doubles, SSE for integers