diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -14322,6 +14322,7 @@
       return SDValue();
     MVT ExtVT = MVT::getVectorVT(MVT::getIntegerVT(EltBits * Scale),
                                  NumElements / Scale);
+    InputV = DAG.getBitcast(VT, InputV);
     InputV = ShuffleOffset(InputV);
     InputV = getEXTEND_VECTOR_INREG(AnyExt ? ISD::ANY_EXTEND : ISD::ZERO_EXTEND,
                                     DL, ExtVT, InputV, DAG);
@@ -14329,6 +14330,7 @@
   }
 
   assert(VT.is128BitVector() && "Only 128-bit vectors can be extended.");
+  InputV = DAG.getBitcast(VT, InputV);
 
   // For any extends we can cheat for larger element sizes and use shuffle
   // instructions that can fold with a load and/or copy.
@@ -15488,6 +15490,13 @@
                        getV4X86ShuffleImm8ForMask(Mask, DL, DAG));
   }
 
+  if (Subtarget.hasSSE2())
+    if (SDValue ZExt = lowerShuffleAsZeroOrAnyExtend(
+            DL, MVT::v4i32, V1, V2, Mask, Zeroable, Subtarget, DAG)) {
+      ZExt = DAG.getBitcast(MVT::v4f32, ZExt);
+      return ZExt;
+    }
+
   if (Subtarget.hasAVX2())
     if (SDValue Extract = lowerShuffleOfExtractsAsVperm(DL, V1, V2, Mask, DAG))
       return Extract;
@@ -16872,7 +16881,7 @@
 /// AVX vector shuffle types.
 static SDValue splitAndLowerShuffle(const SDLoc &DL, MVT VT, SDValue V1,
                                     SDValue V2, ArrayRef<int> Mask,
-                                    SelectionDAG &DAG) {
+                                    SelectionDAG &DAG, bool SimpleOnly) {
   assert(VT.getSizeInBits() >= 256 &&
          "Only for 256-bit or wider vector shuffles!");
   assert(V1.getSimpleValueType() == VT && "Bad operand type!");
@@ -16900,11 +16909,10 @@
   std::tie(LoV2, HiV2) = SplitVector(V2);
 
   // Now create two 4-way blends of these half-width vectors.
-  auto HalfBlend = [&](ArrayRef<int> HalfMask) {
-    bool UseLoV1 = false, UseHiV1 = false, UseLoV2 = false, UseHiV2 = false;
-    SmallVector<int, 32> V1BlendMask((unsigned)SplitNumElements, -1);
-    SmallVector<int, 32> V2BlendMask((unsigned)SplitNumElements, -1);
-    SmallVector<int, 32> BlendMask((unsigned)SplitNumElements, -1);
+  auto GetHalfBlendPiecesReq = [&](const ArrayRef<int> &HalfMask, bool &UseLoV1,
+                                   bool &UseHiV1, bool &UseLoV2,
+                                   bool &UseHiV2) {
+    UseLoV1 = UseHiV1 = UseLoV2 = UseHiV2 = false;
     for (int i = 0; i < SplitNumElements; ++i) {
       int M = HalfMask[i];
       if (M >= NumElements) {
@@ -16912,22 +16920,49 @@
           UseHiV2 = true;
         else
           UseLoV2 = true;
-        V2BlendMask[i] = M - NumElements;
-        BlendMask[i] = SplitNumElements + i;
       } else if (M >= 0) {
         if (M >= SplitNumElements)
           UseHiV1 = true;
         else
           UseLoV1 = true;
+      }
+    }
+  };
+
+  auto CheckHalfBlendUsable = [&](const ArrayRef<int> &HalfMask) -> bool {
+    if (!SimpleOnly)
+      return true;
+
+    bool UseLoV1, UseHiV1, UseLoV2, UseHiV2;
+    GetHalfBlendPiecesReq(HalfMask, UseLoV1, UseHiV1, UseLoV2, UseHiV2);
+
+    return !(UseHiV1 || UseHiV2);
+  };
+
+  auto HalfBlend = [&](ArrayRef<int> HalfMask) {
+    SmallVector<int, 32> V1BlendMask((unsigned)SplitNumElements, -1);
+    SmallVector<int, 32> V2BlendMask((unsigned)SplitNumElements, -1);
+    SmallVector<int, 32> BlendMask((unsigned)SplitNumElements, -1);
+    for (int i = 0; i < SplitNumElements; ++i) {
+      int M = HalfMask[i];
+      if (M >= NumElements) {
+        V2BlendMask[i] = M - NumElements;
+        BlendMask[i] = SplitNumElements + i;
+      } else if (M >= 0) {
         V1BlendMask[i] = M;
         BlendMask[i] = i;
       }
     }
 
+    bool UseLoV1, UseHiV1, UseLoV2, UseHiV2;
+    GetHalfBlendPiecesReq(HalfMask, UseLoV1, UseHiV1, UseLoV2, UseHiV2);
+
     // Because the lowering happens after all combining takes place, we need to
     // manually combine these blend masks as much as possible so that we create
     // a minimal number of high-level vector shuffle nodes.
 
+    assert(!SimpleOnly || (!UseHiV1 && !UseHiV2) && "Shuffle won't be simple");
+
     // First try just blending the halves of V1 or V2.
     if (!UseLoV1 && !UseHiV1 && !UseLoV2 && !UseHiV2)
       return DAG.getUNDEF(SplitVT);
@@ -16938,8 +16973,7 @@
 
     SDValue V1Blend, V2Blend;
     if (UseLoV1 && UseHiV1) {
-      V1Blend =
-        DAG.getVectorShuffle(SplitVT, DL, LoV1, HiV1, V1BlendMask);
+      V1Blend = DAG.getVectorShuffle(SplitVT, DL, LoV1, HiV1, V1BlendMask);
     } else {
       // We only use half of V1 so map the usage down into the final blend mask.
       V1Blend = UseLoV1 ? LoV1 : HiV1;
@@ -16948,8 +16982,7 @@
           BlendMask[i] = V1BlendMask[i] - (UseLoV1 ? 0 : SplitNumElements);
     }
     if (UseLoV2 && UseHiV2) {
-      V2Blend =
-        DAG.getVectorShuffle(SplitVT, DL, LoV2, HiV2, V2BlendMask);
+      V2Blend = DAG.getVectorShuffle(SplitVT, DL, LoV2, HiV2, V2BlendMask);
     } else {
       // We only use half of V2 so map the usage down into the final blend mask.
       V2Blend = UseLoV2 ? LoV2 : HiV2;
@@ -16959,6 +16992,10 @@
     }
     return DAG.getVectorShuffle(SplitVT, DL, V1Blend, V2Blend, BlendMask);
   };
+
+  if (!CheckHalfBlendUsable(LoMask) || !CheckHalfBlendUsable(HiMask))
+    return SDValue();
+
   SDValue Lo = HalfBlend(LoMask);
   SDValue Hi = HalfBlend(HiMask);
   return DAG.getNode(ISD::CONCAT_VECTORS, DL, VT, Lo, Hi);
@@ -17015,7 +17052,8 @@
     if (Mask[i] >= 0)
       LaneInputs[Mask[i] / Size][(Mask[i] % Size) / LaneSize] = true;
   if (LaneInputs[0].count() <= 1 && LaneInputs[1].count() <= 1)
-    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG);
+    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG,
+                                /*SimpleOnly*/ false);
 
   // Otherwise, just fall back to decomposed shuffles and a blend/unpack. This
   // requires that the decomposed single-input shuffles don't end up here.
@@ -17163,6 +17201,20 @@
   return getSublanePermute(/*NumSublanes=*/NumLanes * 4);
 }
 
+/// Helper to get compute inlane shuffle mask for a complete shuffle mask.
+static void computeInLaneShuffleMask(const ArrayRef<int> &Mask, int LaneSize,
+                                     SmallVector<int> &InLaneMask) {
+  int Size = Mask.size();
+  InLaneMask.assign(Mask.begin(), Mask.end());
+  for (int i = 0; i < Size; ++i) {
+    int &M = InLaneMask[i];
+    if (M < 0)
+      continue;
+    if (((M % Size) / LaneSize) != (i / LaneSize))
+      M = (M % LaneSize) + ((i / LaneSize) * LaneSize) + Size;
+  }
+}
+
 /// Lower a vector shuffle crossing multiple 128-bit lanes by shuffling one
 /// source with a lane permutation.
 ///
@@ -17207,21 +17259,17 @@
   assert(V2.isUndef() &&
          "This last part of this routine only works on single input shuffles");
 
-  SmallVector<int, 32> InLaneMask(Mask);
-  for (int i = 0; i < Size; ++i) {
-    int &M = InLaneMask[i];
-    if (M < 0)
-      continue;
-    if (((M % Size) / LaneSize) != (i / LaneSize))
-      M = (M % LaneSize) + ((i / LaneSize) * LaneSize) + Size;
-  }
+  SmallVector<int> InLaneMask;
+  computeInLaneShuffleMask(Mask, Mask.size() / 2, InLaneMask);
+
   assert(!is128BitLaneCrossingShuffleMask(VT, InLaneMask) &&
          "In-lane shuffle mask expected");
 
   // If we're not using both lanes in each lane and the inlane mask is not
   // repeating, then we're better off splitting.
   if (!AllLanes && !is128BitLaneRepeatedShuffleMask(VT, InLaneMask))
-    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG);
+    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG,
+                                /*SimpleOnly*/ false);
 
   // Flip the lanes, and shuffle the results which should now be in-lane.
   MVT PVT = VT.isFloatingPoint() ? MVT::v4f64 : MVT::v4i64;
@@ -18356,6 +18404,19 @@
                                                   Subtarget, DAG))
     return Broadcast;
 
+  if (!Subtarget.hasAVX2()) {
+    SmallVector<int> InLaneMask;
+    computeInLaneShuffleMask(Mask, Mask.size() / 2, InLaneMask);
+
+    if (!is128BitLaneRepeatedShuffleMask(MVT::v8f32, InLaneMask))
+      if (SDValue R = splitAndLowerShuffle(DL, MVT::v8f32, V1, V2, Mask, DAG,
+                                           /*SimpleOnly*/ true))
+        return R;
+  }
+  if (SDValue ZExt = lowerShuffleAsZeroOrAnyExtend(DL, MVT::v8i32, V1, V2, Mask,
+                                                   Zeroable, Subtarget, DAG))
+    return DAG.getBitcast(MVT::v8f32, ZExt);
+
   // If the shuffle mask is repeated in each 128-bit lane, we have many more
   // options to efficiently lower the shuffle.
   SmallVector<int, 4> RepeatedMask;
@@ -18848,7 +18909,7 @@
         return V;
       if (SDValue V = lowerShuffleAsBitBlend(DL, VT, V1, V2, Mask, DAG))
         return V;
-      return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG);
+      return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG, /*SimpleOnly*/ false);
     }
 
     MVT FpVT = MVT::getVectorVT(MVT::getFloatingPointVT(ElementBits),
@@ -19087,6 +19148,10 @@
                                           Zeroable, Subtarget, DAG))
     return Blend;
 
+  if (SDValue ZExt = lowerShuffleAsZeroOrAnyExtend(
+          DL, MVT::v16i32, V1, V2, Mask, Zeroable, Subtarget, DAG))
+    return DAG.getBitcast(MVT::v16f32, ZExt);
+
   // Try to create an in-lane repeating shuffle mask and then shuffle the
   // results into the target lanes.
   if (SDValue V = lowerShuffleAsRepeatedMaskAndLanePermute(
@@ -19404,7 +19469,7 @@
   if (Subtarget.hasVBMI())
     return lowerShuffleWithPERMV(DL, MVT::v64i8, Mask, V1, V2, Subtarget, DAG);
 
-  return splitAndLowerShuffle(DL, MVT::v64i8, V1, V2, Mask, DAG);
+  return splitAndLowerShuffle(DL, MVT::v64i8, V1, V2, Mask, DAG, /*SimpleOnly*/ false);
 }
 
 /// High-level routine to lower various 512-bit x86 vector shuffles.
@@ -19449,7 +19514,7 @@
     if (SDValue V = lowerShuffleAsBitBlend(DL, VT, V1, V2, Mask, DAG))
       return V;
 
-    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG);
+    return splitAndLowerShuffle(DL, VT, V1, V2, Mask, DAG, /*SimpleOnly*/ false);
   }
 
   if (VT == MVT::v32f16) {
diff --git a/llvm/test/CodeGen/X86/pr43866.ll b/llvm/test/CodeGen/X86/pr43866.ll
--- a/llvm/test/CodeGen/X86/pr43866.ll
+++ b/llvm/test/CodeGen/X86/pr43866.ll
@@ -15,12 +15,9 @@
 ; CHECK-NEXT:    subq $64, %rsp
 ; CHECK-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
 ; CHECK-NEXT:    vpcmpeqd %xmm1, %xmm1, %xmm1
+; CHECK-NEXT:    vshufps {{.*#+}} xmm2 = xmm1[1,0],xmm0[1,0]
+; CHECK-NEXT:    vshufps {{.*#+}} xmm0 = xmm2[2,0],xmm0[0,0]
 ; CHECK-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; CHECK-NEXT:    vxorps %xmm2, %xmm2, %xmm2
-; CHECK-NEXT:    vcmptrueps %ymm2, %ymm2, %ymm2
-; CHECK-NEXT:    vinsertf128 $1, %xmm1, %ymm2, %ymm1
-; CHECK-NEXT:    vshufps {{.*#+}} ymm1 = ymm1[1,0],ymm0[1,0],ymm1[5,4],ymm0[5,4]
-; CHECK-NEXT:    vshufps {{.*#+}} ymm0 = ymm1[2,0],ymm0[0,0],ymm1[6,4],ymm0[4,4]
 ; CHECK-NEXT:    vmovaps %ymm0, (%rsp)
 ; CHECK-NEXT:    movq %rbp, %rsp
 ; CHECK-NEXT:    popq %rbp
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
--- a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
@@ -491,16 +491,27 @@
 ;
 ; AVX2-LABEL: shuffle_v8f32_091b2d3f:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vmovaps {{.*#+}} ymm2 = <0,u,1,u,2,u,3,u>
-; AVX2-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
+; AVX2-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX2-NEXT:    vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
 ; AVX2-NEXT:    retq
 ;
-; AVX512VL-LABEL: shuffle_v8f32_091b2d3f:
-; AVX512VL:       # %bb.0:
-; AVX512VL-NEXT:    vmovaps {{.*#+}} ymm2 = [0,9,1,11,2,13,3,15]
-; AVX512VL-NEXT:    vpermt2ps %ymm1, %ymm2, %ymm0
-; AVX512VL-NEXT:    retq
+; AVX512VL-SLOW-LABEL: shuffle_v8f32_091b2d3f:
+; AVX512VL-SLOW:       # %bb.0:
+; AVX512VL-SLOW-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX512VL-SLOW-NEXT:    vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
+; AVX512VL-SLOW-NEXT:    retq
+;
+; AVX512VL-FAST-ALL-LABEL: shuffle_v8f32_091b2d3f:
+; AVX512VL-FAST-ALL:       # %bb.0:
+; AVX512VL-FAST-ALL-NEXT:    vmovaps {{.*#+}} ymm2 = [0,9,1,11,2,13,3,15]
+; AVX512VL-FAST-ALL-NEXT:    vpermt2ps %ymm1, %ymm2, %ymm0
+; AVX512VL-FAST-ALL-NEXT:    retq
+;
+; AVX512VL-FAST-PERLANE-LABEL: shuffle_v8f32_091b2d3f:
+; AVX512VL-FAST-PERLANE:       # %bb.0:
+; AVX512VL-FAST-PERLANE-NEXT:    vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero
+; AVX512VL-FAST-PERLANE-NEXT:    vpblendd {{.*#+}} ymm0 = ymm0[0],ymm1[1],ymm0[2],ymm1[3],ymm0[4],ymm1[5],ymm0[6],ymm1[7]
+; AVX512VL-FAST-PERLANE-NEXT:    retq
   %shuffle = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 9, i32 1, i32 11, i32 2, i32 13, i32 3, i32 15>
   ret <8 x float> %shuffle
 }
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
--- a/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
+++ b/llvm/test/CodeGen/X86/vector-shuffle-combining.ll
@@ -2820,17 +2820,17 @@
 ; SSE2-LABEL: PR30264:
 ; SSE2:       # %bb.0:
 ; SSE2-NEXT:    xorps %xmm1, %xmm1
-; SSE2-NEXT:    movlhps {{.*#+}} xmm1 = xmm1[0],xmm0[0]
-; SSE2-NEXT:    shufps {{.*#+}} xmm1 = xmm1[2,0],mem[2,3]
-; SSE2-NEXT:    movaps %xmm1, %xmm0
+; SSE2-NEXT:    movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
+; SSE2-NEXT:    shufpd {{.*#+}} xmm1 = xmm1[0],mem[1]
+; SSE2-NEXT:    movapd %xmm1, %xmm0
 ; SSE2-NEXT:    retq
 ;
 ; SSSE3-LABEL: PR30264:
 ; SSSE3:       # %bb.0:
 ; SSSE3-NEXT:    xorps %xmm1, %xmm1
-; SSSE3-NEXT:    movlhps {{.*#+}} xmm1 = xmm1[0],xmm0[0]
-; SSSE3-NEXT:    shufps {{.*#+}} xmm1 = xmm1[2,0],mem[2,3]
-; SSSE3-NEXT:    movaps %xmm1, %xmm0
+; SSSE3-NEXT:    movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
+; SSSE3-NEXT:    shufpd {{.*#+}} xmm1 = xmm1[0],mem[1]
+; SSSE3-NEXT:    movapd %xmm1, %xmm0
 ; SSSE3-NEXT:    retq
 ;
 ; SSE41-LABEL: PR30264:
diff --git a/llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll b/llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll
--- a/llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll
+++ b/llvm/test/CodeGen/X86/zero_extend_vector_inreg.ll
@@ -4677,20 +4677,16 @@
 ; AVX-NEXT:    vmovdqa 16(%rdi), %xmm1
 ; AVX-NEXT:    vpaddb 16(%rsi), %xmm1, %xmm1
 ; AVX-NEXT:    vpaddb (%rsi), %xmm0, %xmm0
-; AVX-NEXT:    vxorps %xmm2, %xmm2, %xmm2
-; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm3 = xmm0[0],zero,xmm0[1],zero
-; AVX-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,1,3,3]
-; AVX-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
-; AVX-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0],ymm2[1],ymm0[2],ymm2[3],ymm0[4],ymm2[5],ymm0[6],ymm2[7]
+; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero
+; AVX-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX-NEXT:    vpunpckhdq {{.*#+}} xmm0 = xmm0[2],xmm3[2],xmm0[3],xmm3[3]
 ; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero
-; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX-NEXT:    vpaddb 16(%rdx), %xmm2, %xmm2
-; AVX-NEXT:    vpaddb (%rdx), %xmm0, %xmm0
 ; AVX-NEXT:    vpaddb 32(%rdx), %xmm1, %xmm1
+; AVX-NEXT:    vpaddb 16(%rdx), %xmm0, %xmm0
+; AVX-NEXT:    vpaddb (%rdx), %xmm2, %xmm2
+; AVX-NEXT:    vmovdqa %xmm2, (%rcx)
+; AVX-NEXT:    vmovdqa %xmm0, 16(%rcx)
 ; AVX-NEXT:    vmovdqa %xmm1, 32(%rcx)
-; AVX-NEXT:    vmovdqa %xmm0, (%rcx)
-; AVX-NEXT:    vmovdqa %xmm2, 16(%rcx)
-; AVX-NEXT:    vzeroupper
 ; AVX-NEXT:    retq
 ;
 ; AVX2-LABEL: vec384_v12i32_to_v6i64_factor2:
@@ -7005,26 +7001,19 @@
 ; AVX-NEXT:    vmovdqa 16(%rdi), %xmm1
 ; AVX-NEXT:    vpaddb 16(%rsi), %xmm1, %xmm1
 ; AVX-NEXT:    vpaddb (%rsi), %xmm0, %xmm0
-; AVX-NEXT:    vxorps %xmm2, %xmm2, %xmm2
-; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm3 = xmm0[0],zero,xmm0[1],zero
-; AVX-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,1,3,3]
-; AVX-NEXT:    vinsertf128 $1, %xmm0, %ymm3, %ymm0
-; AVX-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0],ymm2[1],ymm0[2],ymm2[3],ymm0[4],ymm2[5],ymm0[6],ymm2[7]
-; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm3 = xmm1[0],zero,xmm1[1],zero
-; AVX-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[2,1,3,3]
-; AVX-NEXT:    vinsertf128 $1, %xmm1, %ymm3, %ymm1
-; AVX-NEXT:    vblendps {{.*#+}} ymm1 = ymm1[0],ymm2[1],ymm1[2],ymm2[3],ymm1[4],ymm2[5],ymm1[6],ymm2[7]
-; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX-NEXT:    vpaddb 48(%rdx), %xmm2, %xmm2
-; AVX-NEXT:    vpaddb 32(%rdx), %xmm1, %xmm1
-; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm3
-; AVX-NEXT:    vpaddb 16(%rdx), %xmm3, %xmm3
-; AVX-NEXT:    vpaddb (%rdx), %xmm0, %xmm0
-; AVX-NEXT:    vmovdqa %xmm0, (%rcx)
-; AVX-NEXT:    vmovdqa %xmm3, 16(%rcx)
-; AVX-NEXT:    vmovdqa %xmm1, 32(%rcx)
-; AVX-NEXT:    vmovdqa %xmm2, 48(%rcx)
-; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero
+; AVX-NEXT:    vpxor %xmm3, %xmm3, %xmm3
+; AVX-NEXT:    vpunpckhdq {{.*#+}} xmm0 = xmm0[2],xmm3[2],xmm0[3],xmm3[3]
+; AVX-NEXT:    vpmovzxdq {{.*#+}} xmm4 = xmm1[0],zero,xmm1[1],zero
+; AVX-NEXT:    vpunpckhdq {{.*#+}} xmm1 = xmm1[2],xmm3[2],xmm1[3],xmm3[3]
+; AVX-NEXT:    vpaddb 48(%rdx), %xmm1, %xmm1
+; AVX-NEXT:    vpaddb 32(%rdx), %xmm4, %xmm3
+; AVX-NEXT:    vpaddb 16(%rdx), %xmm0, %xmm0
+; AVX-NEXT:    vpaddb (%rdx), %xmm2, %xmm2
+; AVX-NEXT:    vmovdqa %xmm2, (%rcx)
+; AVX-NEXT:    vmovdqa %xmm0, 16(%rcx)
+; AVX-NEXT:    vmovdqa %xmm3, 32(%rcx)
+; AVX-NEXT:    vmovdqa %xmm1, 48(%rcx)
 ; AVX-NEXT:    retq
 ;
 ; AVX2-LABEL: vec512_v16i32_to_v8i64_factor2: