diff --git a/Eigen/src/Core/arch/AltiVec/MatrixVectorProduct.h b/Eigen/src/Core/arch/AltiVec/MatrixVectorProduct.h
index 940a8174a..9d00b93e4 100644
--- a/Eigen/src/Core/arch/AltiVec/MatrixVectorProduct.h
+++ b/Eigen/src/Core/arch/AltiVec/MatrixVectorProduct.h
@@ -207,12 +207,8 @@ EIGEN_ALWAYS_INLINE void storeMaddData(ResScalar* res, ResScalar& alpha, ResScal
     } \
   }
 
-#if EIGEN_COMP_LLVM
-#define GEMV_LOADPAIR2_COL_MMA(iter1, iter2)
-#else
 #define GEMV_LOADPAIR2_COL_MMA(iter1, iter2) \
   b##iter1 = *reinterpret_cast<__vector_pair *>(res + i + ((iter2) * ResPacketSize));
-#endif
 
 #define GEMV_LOAD2_COL_MMA(iter1, iter2, iter3, N) \
   if (GEMV_GETN(N) > iter1) { \
@@ -231,8 +227,9 @@ EIGEN_ALWAYS_INLINE void storeMaddData(ResScalar* res, ResScalar& alpha, ResScal
 #if EIGEN_COMP_LLVM
 #define GEMV_WORKPAIR2_COL_MMA(iter2, iter3, iter4) \
   ResPacket f##iter2[2]; \
-  f##iter2[0] = pmadd(result##iter2.packet[0], palpha, ploadu<ResPacket>(res + i + ((iter4) * ResPacketSize))); \
-  f##iter2[1] = pmadd(result##iter3.packet[(iter2 == iter3) ? 2 : 0], palpha, ploadu<ResPacket>(res + i + (((iter4) + 1) * ResPacketSize))); \
+  __builtin_vsx_disassemble_pair(reinterpret_cast<void*>(f##iter2), &b##iter2); \
+  f##iter2[0] = pmadd(result##iter2.packet[0], palpha, f##iter2[0]); \
+  f##iter2[1] = pmadd(result##iter3.packet[(iter2 == iter3) ? 2 : 0], palpha, f##iter2[1]); \
   GEMV_BUILDPAIR_MMA(b##iter2, f##iter2[0], f##iter2[1]);
 #else
 #define GEMV_WORKPAIR2_COL_MMA(iter2, iter3, iter4) \
@@ -932,7 +929,7 @@ EIGEN_ALWAYS_INLINE void pstoreu_pmadd_complex(PResPacket& c0, PResPacket& c1, A
 {
     PResPacket c2 = pcplxflipconj(c0);
     PResPacket c3 = pcplxflipconj(c1);
-#if EIGEN_COMP_LLVM || !defined(_ARCH_PWR10)
+#if !defined(_ARCH_PWR10)
     ScalarPacket c4 = pload_complex<ResPacket>(res + (iter2 * ResPacketSize));
     ScalarPacket c5 = pload_complex<ResPacket>(res + ((iter2 + 1) * ResPacketSize));
     PResPacket c6 = PResPacket(pmadd_complex<ScalarPacket, AlphaData>(c0.v, c2.v, c4, b0));
@@ -941,6 +938,13 @@ EIGEN_ALWAYS_INLINE void pstoreu_pmadd_complex(PResPacket& c0, PResPacket& c1, A
     pstoreu(res + ((iter2 + 1) * ResPacketSize), c7);
 #else
     __vector_pair a = *reinterpret_cast<__vector_pair *>(res + (iter2 * ResPacketSize));
+#if EIGEN_COMP_LLVM
+    PResPacket c6[2];
+    __builtin_vsx_disassemble_pair(reinterpret_cast<void*>(c6), &a);
+    c6[0] = PResPacket(pmadd_complex<ScalarPacket, AlphaData>(c0.v, c2.v, c6[0].v, b0));
+    c6[1] = PResPacket(pmadd_complex<ScalarPacket, AlphaData>(c1.v, c3.v, c6[1].v, b0));
+    GEMV_BUILDPAIR_MMA(a, c6[0].v, c6[1].v);
+#else
     if (GEMV_IS_COMPLEX_FLOAT) {
         __asm__ ("xvmaddasp %L0,%x1,%x2\n\txvmaddasp %0,%x1,%x3" : "+&d" (a) : "wa" (b0.separate.r.v), "wa" (c0.v), "wa" (c1.v));
         __asm__ ("xvmaddasp %L0,%x1,%x2\n\txvmaddasp %0,%x1,%x3" : "+&d" (a) : "wa" (b0.separate.i.v), "wa" (c2.v), "wa" (c3.v));
@@ -948,6 +952,7 @@ EIGEN_ALWAYS_INLINE void pstoreu_pmadd_complex(PResPacket& c0, PResPacket& c1, A
         __asm__ ("xvmaddadp %L0,%x1,%x2\n\txvmaddadp %0,%x1,%x3" : "+&d" (a) : "wa" (b0.separate.r.v), "wa" (c0.v), "wa" (c1.v));
         __asm__ ("xvmaddadp %L0,%x1,%x2\n\txvmaddadp %0,%x1,%x3" : "+&d" (a) : "wa" (b0.separate.i.v), "wa" (c2.v), "wa" (c3.v));
     }
+#endif
     *reinterpret_cast<__vector_pair *>(res + (iter2 * ResPacketSize)) = a;
 #endif
 }