Index: llvm/lib/Target/X86/X86ISelLowering.cpp
===================================================================
--- llvm/lib/Target/X86/X86ISelLowering.cpp
+++ llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -14602,10 +14602,10 @@
     if (NumUpperHalves == 1) {
       // AVX2 has efficient 32/64-bit element cross-lane shuffles.
       if (Subtarget.hasAVX2()) {
-        // extract128 + vunpckhps, is better than vblend + vpermps.
-        // TODO: Refine to account for unary shuffle, splat, and other masks?
-        if (EltWidth == 32 && NumLowerHalves &&
-            HalfVT.is128BitVector() && !is128BitUnpackShuffleMask(HalfMask))
+        // extract128 + vunpckhps/vshufps, is better than vblend + vpermps.
+        if (EltWidth == 32 && NumLowerHalves && HalfVT.is128BitVector() &&
+            !is128BitUnpackShuffleMask(HalfMask) &&
+            !isSingleSHUFPSMask(HalfMask))
           return SDValue();
         // If this is a unary shuffle (assume that the 2nd operand is
         // canonicalized to undef), then we can use vpermpd. Otherwise, we
Index: llvm/test/CodeGen/X86/avx2-conversions.ll
===================================================================
--- llvm/test/CodeGen/X86/avx2-conversions.ll
+++ llvm/test/CodeGen/X86/avx2-conversions.ll
@@ -5,37 +5,19 @@
 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fast-variable-shuffle | FileCheck %s --check-prefixes=X64,X64-FAST
 
 define <4 x i32> @trunc4(<4 x i64> %A) nounwind {
-; X32-SLOW-LABEL: trunc4:
-; X32-SLOW:       # %bb.0:
-; X32-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; X32-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; X32-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; X32-SLOW-NEXT:    vzeroupper
-; X32-SLOW-NEXT:    retl
-;
-; X32-FAST-LABEL: trunc4:
-; X32-FAST:       # %bb.0:
-; X32-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; X32-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; X32-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; X32-FAST-NEXT:    vzeroupper
-; X32-FAST-NEXT:    retl
-;
-; X64-SLOW-LABEL: trunc4:
-; X64-SLOW:       # %bb.0:
-; X64-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; X64-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; X64-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; X64-SLOW-NEXT:    vzeroupper
-; X64-SLOW-NEXT:    retq
+; X32-LABEL: trunc4:
+; X32:       # %bb.0:
+; X32-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; X32-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; X32-NEXT:    vzeroupper
+; X32-NEXT:    retl
 ;
-; X64-FAST-LABEL: trunc4:
-; X64-FAST:       # %bb.0:
-; X64-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; X64-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; X64-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; X64-FAST-NEXT:    vzeroupper
-; X64-FAST-NEXT:    retq
+; X64-LABEL: trunc4:
+; X64:       # %bb.0:
+; X64-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; X64-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; X64-NEXT:    vzeroupper
+; X64-NEXT:    retq
   %B = trunc <4 x i64> %A to <4 x i32>
   ret <4 x i32>%B
 }
Index: llvm/test/CodeGen/X86/avx2-vector-shifts.ll
===================================================================
--- llvm/test/CodeGen/X86/avx2-vector-shifts.ll
+++ llvm/test/CodeGen/X86/avx2-vector-shifts.ll
@@ -374,45 +374,25 @@
 }
 
 define <4 x i32> @srl_trunc_and_v4i64(<4 x i32> %x, <4 x i64> %y) nounwind {
-; X32-SLOW-LABEL: srl_trunc_and_v4i64:
-; X32-SLOW:       # %bb.0:
-; X32-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; X32-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; X32-SLOW-NEXT:    vpbroadcastd {{.*#+}} xmm2 = [8,8,8,8]
-; X32-SLOW-NEXT:    vpand %xmm2, %xmm1, %xmm1
-; X32-SLOW-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; X32-SLOW-NEXT:    vzeroupper
-; X32-SLOW-NEXT:    retl
-;
-; X32-FAST-LABEL: srl_trunc_and_v4i64:
-; X32-FAST:       # %bb.0:
-; X32-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; X32-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; X32-FAST-NEXT:    vpbroadcastd {{.*#+}} xmm2 = [8,8,8,8]
-; X32-FAST-NEXT:    vpand %xmm2, %xmm1, %xmm1
-; X32-FAST-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; X32-FAST-NEXT:    vzeroupper
-; X32-FAST-NEXT:    retl
-;
-; X64-SLOW-LABEL: srl_trunc_and_v4i64:
-; X64-SLOW:       # %bb.0:
-; X64-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; X64-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; X64-SLOW-NEXT:    vpbroadcastd {{.*#+}} xmm2 = [8,8,8,8]
-; X64-SLOW-NEXT:    vpand %xmm2, %xmm1, %xmm1
-; X64-SLOW-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; X64-SLOW-NEXT:    vzeroupper
-; X64-SLOW-NEXT:    retq
-;
-; X64-FAST-LABEL: srl_trunc_and_v4i64:
-; X64-FAST:       # %bb.0:
-; X64-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; X64-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; X64-FAST-NEXT:    vpbroadcastd {{.*#+}} xmm2 = [8,8,8,8]
-; X64-FAST-NEXT:    vpand %xmm2, %xmm1, %xmm1
-; X64-FAST-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; X64-FAST-NEXT:    vzeroupper
-; X64-FAST-NEXT:    retq
+; X32-LABEL: srl_trunc_and_v4i64:
+; X32:       # %bb.0:
+; X32-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; X32-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; X32-NEXT:    vbroadcastss {{.*#+}} xmm2 = [8,8,8,8]
+; X32-NEXT:    vandps %xmm2, %xmm1, %xmm1
+; X32-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
+; X32-NEXT:    vzeroupper
+; X32-NEXT:    retl
+;
+; X64-LABEL: srl_trunc_and_v4i64:
+; X64:       # %bb.0:
+; X64-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; X64-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; X64-NEXT:    vbroadcastss {{.*#+}} xmm2 = [8,8,8,8]
+; X64-NEXT:    vandps %xmm2, %xmm1, %xmm1
+; X64-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
+; X64-NEXT:    vzeroupper
+; X64-NEXT:    retq
   %and = and <4 x i64> %y, <i64 8, i64 8, i64 8, i64 8>
   %trunc = trunc <4 x i64> %and to <4 x i32>
   %sra = lshr <4 x i32> %x, %trunc
Index: llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
===================================================================
--- llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
+++ llvm/test/CodeGen/X86/avx512-shuffles/partial_permute.ll
@@ -3188,8 +3188,8 @@
 define <4 x float> @test_16xfloat_to_4xfloat_perm_mask3(<16 x float> %vec) {
 ; CHECK-LABEL: test_16xfloat_to_4xfloat_perm_mask3:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; CHECK-NEXT:    vpermps %ymm0, %ymm1, %ymm1
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; CHECK-NEXT:    vshufps {{.*#+}} xmm1 = xmm0[0,2],xmm1[2,2]
 ; CHECK-NEXT:    vextractf32x4 $2, %zmm0, %xmm0
 ; CHECK-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,1,3,3]
 ; CHECK-NEXT:    vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
@@ -3201,8 +3201,8 @@
 define <4 x float> @test_masked_16xfloat_to_4xfloat_perm_mask3(<16 x float> %vec, <4 x float> %vec2, <4 x float> %mask) {
 ; CHECK-LABEL: test_masked_16xfloat_to_4xfloat_perm_mask3:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vmovaps {{.*#+}} ymm3 = [0,2,4,6,4,6,6,7]
-; CHECK-NEXT:    vpermps %ymm0, %ymm3, %ymm3
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; CHECK-NEXT:    vshufps {{.*#+}} xmm3 = xmm0[0,2],xmm3[2,2]
 ; CHECK-NEXT:    vextractf32x4 $2, %zmm0, %xmm0
 ; CHECK-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,1,3,3]
 ; CHECK-NEXT:    vblendps {{.*#+}} xmm0 = xmm0[0],xmm3[1],xmm0[2],xmm3[3]
@@ -3220,8 +3220,8 @@
 define <4 x float> @test_masked_z_16xfloat_to_4xfloat_perm_mask3(<16 x float> %vec, <4 x float> %mask) {
 ; CHECK-LABEL: test_masked_z_16xfloat_to_4xfloat_perm_mask3:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vmovaps {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; CHECK-NEXT:    vpermps %ymm0, %ymm2, %ymm2
+; CHECK-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; CHECK-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[0,2],xmm2[2,2]
 ; CHECK-NEXT:    vextractf32x4 $2, %zmm0, %xmm0
 ; CHECK-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[2,1,3,3]
 ; CHECK-NEXT:    vblendps {{.*#+}} xmm0 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
Index: llvm/test/CodeGen/X86/combine-shl.ll
===================================================================
--- llvm/test/CodeGen/X86/combine-shl.ll
+++ llvm/test/CodeGen/X86/combine-shl.ll
@@ -136,23 +136,14 @@
 ; SSE41-NEXT:    pmulld %xmm1, %xmm0
 ; SSE41-NEXT:    retq
 ;
-; AVX-SLOW-LABEL: combine_vec_shl_trunc_and:
-; AVX-SLOW:       # %bb.0:
-; AVX-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX-SLOW-NEXT:    vpsllvd %xmm1, %xmm0, %xmm0
-; AVX-SLOW-NEXT:    vzeroupper
-; AVX-SLOW-NEXT:    retq
-;
-; AVX-FAST-LABEL: combine_vec_shl_trunc_and:
-; AVX-FAST:       # %bb.0:
-; AVX-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX-FAST-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX-FAST-NEXT:    vpsllvd %xmm1, %xmm0, %xmm0
-; AVX-FAST-NEXT:    vzeroupper
-; AVX-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_shl_trunc_and:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vandps {{.*}}(%rip), %xmm1, %xmm1
+; AVX-NEXT:    vpsllvd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = and <4 x i64> %y, <i64 15, i64 255, i64 4095, i64 65535>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = shl <4 x i32> %x, %2
Index: llvm/test/CodeGen/X86/combine-sra.ll
===================================================================
--- llvm/test/CodeGen/X86/combine-sra.ll
+++ llvm/test/CodeGen/X86/combine-sra.ll
@@ -166,23 +166,14 @@
 ; SSE-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm5[2,3],xmm0[4,5],xmm5[6,7]
 ; SSE-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: combine_vec_ashr_trunc_and:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpsravd %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: combine_vec_ashr_trunc_and:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpsravd %xmm1, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_ashr_trunc_and:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vandps {{.*}}(%rip), %xmm1, %xmm1
+; AVX-NEXT:    vpsravd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = and <4 x i64> %y, <i64 15, i64 255, i64 4095, i64 65535>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = ashr <4 x i32> %x, %2
@@ -206,23 +197,14 @@
 ; SSE-NEXT:    movdqa %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: combine_vec_ashr_trunc_lshr:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: combine_vec_ashr_trunc_lshr:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_ashr_trunc_lshr:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpsrlq $32, %ymm0, %ymm0
+; AVX-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = lshr <4 x i64> %x, <i64 32, i64 32, i64 32, i64 32>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = ashr <4 x i32> %2, <i32 0, i32 1, i32 2, i32 3>
@@ -246,21 +228,13 @@
 ; SSE-NEXT:    movdqa %xmm1, %xmm0
 ; SSE-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: combine_vec_ashr_trunc_ashr:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[1,3,2,3,5,7,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: combine_vec_ashr_trunc_ashr:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [1,3,5,7,5,7,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_ashr_trunc_ashr:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[1,3]
+; AVX-NEXT:    vpsravd {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = ashr <4 x i64> %x, <i64 32, i64 32, i64 32, i64 32>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = ashr <4 x i32> %2, <i32 0, i32 1, i32 2, i32 3>
Index: llvm/test/CodeGen/X86/combine-srl.ll
===================================================================
--- llvm/test/CodeGen/X86/combine-srl.ll
+++ llvm/test/CodeGen/X86/combine-srl.ll
@@ -202,23 +202,14 @@
 ; SSE-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm2[2,3],xmm0[4,5],xmm2[6,7]
 ; SSE-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: combine_vec_lshr_trunc_lshr1:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: combine_vec_lshr_trunc_lshr1:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_lshr_trunc_lshr1:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vpsrlvq {{.*}}(%rip), %ymm0, %ymm0
+; AVX-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpsrlvd {{.*}}(%rip), %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = lshr <4 x i64> %x, <i64 32, i64 33, i64 34, i64 35>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = lshr <4 x i32> %2, <i32 16, i32 17, i32 18, i32 19>
@@ -415,23 +406,14 @@
 ; SSE-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm5[2,3],xmm0[4,5],xmm5[6,7]
 ; SSE-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: combine_vec_lshr_trunc_and:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: combine_vec_lshr_trunc_and:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: combine_vec_lshr_trunc_and:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vandps {{.*}}(%rip), %xmm1, %xmm1
+; AVX-NEXT:    vpsrlvd %xmm1, %xmm0, %xmm0
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
   %1 = and <4 x i64> %y, <i64 15, i64 255, i64 4095, i64 65535>
   %2 = trunc <4 x i64> %1 to <4 x i32>
   %3 = lshr <4 x i32> %x, %2
Index: llvm/test/CodeGen/X86/oddshuffles.ll
===================================================================
--- llvm/test/CodeGen/X86/oddshuffles.ll
+++ llvm/test/CodeGen/X86/oddshuffles.ll
@@ -619,35 +619,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: v12i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} xmm2 = xmm1[2,3,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm3 = ymm0[3,3,2,3,7,7,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vblendps {{.*#+}} xmm2 = xmm2[0],xmm3[1,2],xmm2[3]
-; AVX2-SLOW-NEXT:    vmovaps {{.*#+}} ymm3 = <0,4,u,1,5,u,2,6>
-; AVX2-SLOW-NEXT:    vpermps %ymm0, %ymm3, %ymm0
-; AVX2-SLOW-NEXT:    vbroadcastsd %xmm1, %ymm1
-; AVX2-SLOW-NEXT:    vblendps {{.*#+}} ymm0 = ymm0[0,1],ymm1[2],ymm0[3,4],ymm1[5],ymm0[6,7]
-; AVX2-SLOW-NEXT:    vmovaps %ymm0, (%rdi)
-; AVX2-SLOW-NEXT:    vmovaps %xmm2, 32(%rdi)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: v12i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = <0,4,u,1,5,u,2,6>
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vbroadcastsd %xmm1, %ymm3
-; AVX2-FAST-NEXT:    vblendps {{.*#+}} ymm2 = ymm2[0,1],ymm3[2],ymm2[3,4],ymm3[5],ymm2[6,7]
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm3 = [3,3,7,7,7,7,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm3, %ymm0
-; AVX2-FAST-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[2,3,2,3]
-; AVX2-FAST-NEXT:    vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2],xmm1[3]
-; AVX2-FAST-NEXT:    vmovaps %xmm0, 32(%rdi)
-; AVX2-FAST-NEXT:    vmovaps %ymm2, (%rdi)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: v12i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vmovaps {{.*#+}} ymm2 = <0,4,u,1,5,u,2,6>
+; AVX2-NEXT:    vpermps %ymm0, %ymm2, %ymm2
+; AVX2-NEXT:    vbroadcastsd %xmm1, %ymm3
+; AVX2-NEXT:    vblendps {{.*#+}} ymm2 = ymm2[0,1],ymm3[2],ymm2[3,4],ymm3[5],ymm2[6,7]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm3
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,3],xmm3[3,3]
+; AVX2-NEXT:    vpermilps {{.*#+}} xmm1 = xmm1[2,3,2,3]
+; AVX2-NEXT:    vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2],xmm1[3]
+; AVX2-NEXT:    vmovaps %xmm0, 32(%rdi)
+; AVX2-NEXT:    vmovaps %ymm2, (%rdi)
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; XOP-LABEL: v12i32:
 ; XOP:       # %bb.0:
Index: llvm/test/CodeGen/X86/reduce-trunc-shl.ll
===================================================================
--- llvm/test/CodeGen/X86/reduce-trunc-shl.ll
+++ llvm/test/CodeGen/X86/reduce-trunc-shl.ll
@@ -13,11 +13,10 @@
 ;
 ; AVX2-LABEL: trunc_shl_7_v4i32_v4i64:
 ; AVX2:       # %bb.0:
-; AVX2-NEXT:    vpshufd {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7]
-; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vmovaps (%rsi), %xmm0
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
 ; AVX2-NEXT:    vpslld $7, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovdqa %xmm0, (%rdi)
-; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
   %val = load <4 x i64>, <4 x i64> addrspace(1)* %in
   %shl = shl <4 x i64> %val, <i64 7, i64 7, i64 7, i64 7>
Index: llvm/test/CodeGen/X86/shuffle-vs-trunc-256-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/shuffle-vs-trunc-256-widen.ll
+++ llvm/test/CodeGen/X86/shuffle-vs-trunc-256-widen.ll
@@ -216,28 +216,12 @@
 }
 
 define void @trunc_v4i64_to_v4i32(<8 x i32>* %L, <4 x i32>* %S) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i32:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vmovaps (%rdi), %xmm0
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
-; AVX1-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm0 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps (%rdi), %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovaps (%rdi), %xmm0
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
+; AVX-NEXT:    vmovaps %xmm0, (%rsi)
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i32:
 ; AVX512F:       # %bb.0:
@@ -696,29 +680,13 @@
 }
 
 define <8 x i16> @trunc_v4i64_to_v4i16_with_zext_return_v8i16(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
 ; AVX512F:       # %bb.0:
@@ -761,29 +729,13 @@
 }
 
 define <8 x i16> @trunc_v4i64_to_v4i16_via_v4i32_return_v8i16(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
 ; AVX512F:       # %bb.0:
Index: llvm/test/CodeGen/X86/shuffle-vs-trunc-256.ll
===================================================================
--- llvm/test/CodeGen/X86/shuffle-vs-trunc-256.ll
+++ llvm/test/CodeGen/X86/shuffle-vs-trunc-256.ll
@@ -216,28 +216,12 @@
 }
 
 define void @trunc_v4i64_to_v4i32(<8 x i32>* %L, <4 x i32>* %S) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i32:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vmovaps (%rdi), %xmm0
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
-; AVX1-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm0 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps (%rdi), %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps %xmm0, (%rsi)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i32:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovaps (%rdi), %xmm0
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
+; AVX-NEXT:    vmovaps %xmm0, (%rsi)
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i32:
 ; AVX512F:       # %bb.0:
@@ -662,29 +646,13 @@
 define <2 x i64> @trunc_v4i64_to_v4i16_return_v2i64(<4 x i64> %vec) nounwind {
 ; IR generated from:
 ; return (__m128i) {(long long)__builtin_convertvector((__v4di)x, __v4hi), 0};
-; AVX1-LABEL: trunc_v4i64_to_v4i16_return_v2i64:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_return_v2i64:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_return_v2i64:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_return_v2i64:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_return_v2i64:
 ; AVX512F:       # %bb.0:
@@ -726,29 +694,13 @@
 }
 
 define <8 x i16> @trunc_v4i64_to_v4i16_with_zext_return_v8i16(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_with_zext_return_v8i16:
 ; AVX512F:       # %bb.0:
@@ -791,29 +743,13 @@
 }
 
 define <8 x i16> @trunc_v4i64_to_v4i16_via_v4i32_return_v8i16(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_via_v4i32_return_v8i16:
 ; AVX512F:       # %bb.0:
@@ -855,29 +791,13 @@
 }
 
 define <8 x i16> @trunc_v4i64_to_v4i16_return_v8i16(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16_return_v8i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16_return_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16_return_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16_return_v8i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13],zero,zero,zero,zero,zero,zero,zero,zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16_return_v8i16:
 ; AVX512F:       # %bb.0:
@@ -918,29 +838,13 @@
 }
 
 define <16 x i8> @trunc_v4i64_to_v4i8_return_v16i8(<4 x i64> %vec) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i8_return_v16i8:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm1
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm0[u],zero
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i8_return_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm0[u],zero
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i8_return_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm0[u],zero
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i8_return_v16i8:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,xmm0[u],zero
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i8_return_v16i8:
 ; AVX512F:       # %bb.0:
@@ -1060,31 +964,13 @@
 }
 
 define void @trunc_v4i64_to_v4i16(<16 x i16>* %L, <4 x i16>* %S) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i16:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vmovaps (%rdi), %xmm0
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX1-NEXT:    vmovq %xmm0, (%rsi)
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX2-SLOW-NEXT:    vmovq %xmm0, (%rsi)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm0 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd (%rdi), %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX2-FAST-NEXT:    vmovq %xmm0, (%rsi)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i16:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovaps (%rdi), %xmm0
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX-NEXT:    vmovq %xmm0, (%rsi)
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i16:
 ; AVX512F:       # %bb.0:
@@ -1192,31 +1078,13 @@
 }
 
 define void @trunc_v4i64_to_v4i8(<32 x i8>* %L, <4 x i8>* %S) nounwind {
-; AVX1-LABEL: trunc_v4i64_to_v4i8:
-; AVX1:       # %bb.0:
-; AVX1-NEXT:    vmovaps (%rdi), %xmm0
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
-; AVX1-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
-; AVX1-NEXT:    vmovd %xmm0, (%rsi)
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc_v4i64_to_v4i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = mem[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
-; AVX2-SLOW-NEXT:    vmovd %xmm0, (%rsi)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_v4i64_to_v4i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm0 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd (%rdi), %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
-; AVX2-FAST-NEXT:    vmovd %xmm0, (%rsi)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc_v4i64_to_v4i8:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovaps (%rdi), %xmm0
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],mem[0,2]
+; AVX-NEXT:    vpshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
+; AVX-NEXT:    vmovd %xmm0, (%rsi)
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_v4i64_to_v4i8:
 ; AVX512F:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-math-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-math-widen.ll
+++ llvm/test/CodeGen/X86/vector-trunc-math-widen.ll
@@ -29,23 +29,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -100,34 +90,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -253,58 +229,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -515,21 +466,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -576,30 +519,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -703,52 +634,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -898,23 +807,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -969,34 +868,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -1122,58 +1007,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -1352,21 +1212,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -1413,30 +1265,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -1540,52 +1380,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -1770,24 +1588,15 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -1876,44 +1685,26 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v8i64_v8i16:
 ; AVX512F:       # %bb.0:
@@ -2123,70 +1914,41 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm7 = ymm7[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm7 = ymm7[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm7, %xmm3, %xmm3
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm6 = ymm6[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm6 = ymm6[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm6, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm5 = ymm5[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm5 = ymm5[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm4 = ymm4[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm4 = ymm4[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm6, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm8 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm7, %ymm8, %ymm7
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm8, %ymm3
-; AVX2-FAST-NEXT:    vpmulld %xmm7, %xmm3, %xmm3
-; AVX2-FAST-NEXT:    vpermd %ymm6, %ymm8, %ymm6
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm8, %ymm2
-; AVX2-FAST-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm6, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm5, %ymm8, %ymm5
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm8, %ymm1
-; AVX2-FAST-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpermd %ymm4, %ymm8, %ymm4
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm8, %ymm0
-; AVX2-FAST-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm6, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm7, %xmm8
+; AVX2-NEXT:    vshufps {{.*#+}} xmm8 = xmm7[0,2],xmm8[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm8, %xmm3, %xmm3
+; AVX2-NEXT:    vextractf128 $1, %ymm6, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm6 = xmm6[0,2],xmm7[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
+; AVX2-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm6, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm5 = xmm5[0,2],xmm7[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
+; AVX2-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm4 = xmm4[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm6, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v16i64_v16i8:
 ; AVX512F:       # %bb.0:
@@ -2451,21 +2213,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -2512,30 +2266,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -2698,58 +2440,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
+; AVX2-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
+; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -2937,23 +2654,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vandps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vandps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3004,34 +2711,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpand %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpand %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3147,58 +2840,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpand %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpand %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpand %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpand %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpand %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpand %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vandps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vandps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vandps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -3352,21 +3020,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3413,30 +3073,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3540,52 +3188,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -3733,23 +3359,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vxorps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vxorps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3800,34 +3416,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vxorps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3943,58 +3545,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpxor %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpxor %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpxor %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpxor %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpxor %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpxor %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vxorps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vxorps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vxorps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4148,21 +3725,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -4209,30 +3778,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -4336,52 +3893,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4529,23 +4064,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vorps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vorps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -4596,34 +4121,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpor %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpor %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpor %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpor %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vorps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -4739,58 +4250,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpor %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpor %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpor %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpor %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpor %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpor %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpor %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpor %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vorps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vorps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vorps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4944,21 +4430,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -5005,30 +4483,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -5132,52 +4598,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-math.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-math.ll
+++ llvm/test/CodeGen/X86/vector-trunc-math.ll
@@ -29,23 +29,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -100,34 +90,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpaddq %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -253,58 +229,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpaddq %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpaddq %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vpaddq %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vpaddq %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -515,21 +466,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpaddd {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -576,30 +519,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpaddw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -703,52 +634,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_add_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_add_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_add_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpaddb {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_add_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -898,23 +807,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -969,34 +868,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -1122,58 +1007,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpsubq %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vpsubq %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vpsubq %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vpsubq %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextracti128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -1352,21 +1212,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpsubd {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -1413,30 +1265,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpsubw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -1540,52 +1380,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_sub_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_sub_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_sub_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpsubb {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_sub_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -1770,24 +1588,15 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vpmulld %xmm1, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -1876,44 +1685,26 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v8i64_v8i16:
 ; AVX512F:       # %bb.0:
@@ -2123,70 +1914,41 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm7 = ymm7[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm7 = ymm7[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm7, %xmm3, %xmm3
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm6 = ymm6[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm6 = ymm6[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm6, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm5 = ymm5[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm5 = ymm5[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm4 = ymm4[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm4 = ymm4[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm6, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm8 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm7, %ymm8, %ymm7
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm8, %ymm3
-; AVX2-FAST-NEXT:    vpmulld %xmm7, %xmm3, %xmm3
-; AVX2-FAST-NEXT:    vpermd %ymm6, %ymm8, %ymm6
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm8, %ymm2
-; AVX2-FAST-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm6, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm5, %ymm8, %ymm5
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm8, %ymm1
-; AVX2-FAST-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpermd %ymm4, %ymm8, %ymm4
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm8, %ymm0
-; AVX2-FAST-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm6, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm7, %xmm8
+; AVX2-NEXT:    vshufps {{.*#+}} xmm8 = xmm7[0,2],xmm8[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm8, %xmm3, %xmm3
+; AVX2-NEXT:    vextractf128 $1, %ymm6, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm6 = xmm6[0,2],xmm7[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm6, %xmm2, %xmm2
+; AVX2-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm6 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm6, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm5, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm5 = xmm5[0,2],xmm7[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm7
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm7[0,2]
+; AVX2-NEXT:    vpmulld %xmm5, %xmm1, %xmm1
+; AVX2-NEXT:    vextractf128 $1, %ymm4, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm4 = xmm4[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm6, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_mul_v16i64_v16i8:
 ; AVX512F:       # %bb.0:
@@ -2451,21 +2213,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -2512,30 +2266,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpmullw {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -2698,58 +2440,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_mul_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_mul_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_mul_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm3, %xmm3
+; AVX2-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vpmulld {{.*}}(%rip), %xmm1, %xmm1
+; AVX2-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_mul_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -2937,23 +2654,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vandps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vandps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3004,34 +2711,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpand %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpand %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vandps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3147,58 +2840,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpand %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpand %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpand %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpand %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpand %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpand %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vandps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vandps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vandps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vandps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -3352,21 +3020,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vandps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3413,30 +3073,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3540,52 +3188,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_and_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_and_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_and_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_and_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -3733,23 +3359,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vxorps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vxorps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -3800,34 +3416,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vxorps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -3943,58 +3545,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpxor %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpxor %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpxor %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpxor %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpxor %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpxor %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vxorps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vxorps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vxorps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vxorps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4148,21 +3725,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vxorps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -4209,30 +3778,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -4336,52 +3893,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_xor_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_xor_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_xor_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_xor_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4529,23 +4064,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vorps %ymm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vorps %ymm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm1, %ymm0, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -4596,34 +4121,20 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpor %ymm3, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpor %ymm2, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpor %ymm3, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpor %ymm2, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm2, %ymm0, %ymm0
+; AVX2-NEXT:    vorps %ymm3, %ymm1, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -4739,58 +4250,33 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpor %ymm5, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpor %ymm4, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpor %ymm7, %ymm3, %ymm3
-; AVX2-SLOW-NEXT:    vpor %ymm6, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpor %ymm5, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpor %ymm4, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpor %ymm7, %ymm3, %ymm3
-; AVX2-FAST-NEXT:    vpor %ymm6, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vorps %ymm4, %ymm0, %ymm0
+; AVX2-NEXT:    vorps %ymm5, %ymm1, %ymm1
+; AVX2-NEXT:    vorps %ymm6, %ymm2, %ymm2
+; AVX2-NEXT:    vorps %ymm7, %ymm3, %ymm3
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_v16i64_v16i8:
 ; AVX512:       # %bb.0:
@@ -4944,21 +4430,13 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vorps {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v4i64_v4i32:
 ; AVX512:       # %bb.0:
@@ -5005,30 +4483,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v8i64_v8i16:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v8i64_v8i16:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v8i64_v8i16:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v8i64_v8i16:
 ; AVX512:       # %bb.0:
@@ -5132,52 +4598,30 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_or_const_v16i64_v16i8:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm3 = ymm3[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm3 = ymm3[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpand %xmm4, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_or_const_v16i64_v16i8:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm4 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm2, %ymm4, %ymm2
-; AVX2-FAST-NEXT:    vpermd %ymm3, %ymm4, %ymm3
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm5 = [255,255,255,255,255,255,255,255]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm4, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm4, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    vpand %xmm5, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_or_const_v16i64_v16i8:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vextractf128 $1, %ymm3, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm3 = xmm3[0,2],xmm4[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm2, %xmm4
+; AVX2-NEXT:    vshufps {{.*#+}} xmm2 = xmm2[0,2],xmm4[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm3, %ymm2, %ymm2
+; AVX2-NEXT:    vmovdqa {{.*#+}} ymm3 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpshufb %ymm3, %ymm2, %ymm2
+; AVX2-NEXT:    vpermq {{.*#+}} ymm2 = ymm2[0,2,2,3]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm4 = [255,255,255,255,255,255,255,255]
+; AVX2-NEXT:    vpand %xmm4, %xmm2, %xmm2
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm5[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm5
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm5[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb %ymm3, %ymm0, %ymm0
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    vpand %xmm4, %xmm0, %xmm0
+; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_or_const_v16i64_v16i8:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-packus-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-packus-widen.ll
+++ llvm/test/CodeGen/X86/vector-trunc-packus-widen.ll
@@ -198,33 +198,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_packus_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_packus_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_packus_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
+; AVX2-NEXT:    vpand %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_packus_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -612,42 +597,24 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_packus_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-SLOW-NEXT:    vpand %ymm1, %ymm3, %ymm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm2
-; AVX2-SLOW-NEXT:    vpand %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_packus_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-FAST-NEXT:    vpand %ymm1, %ymm3, %ymm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm2
-; AVX2-FAST-NEXT:    vpand %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_packus_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
+; AVX2-NEXT:    vpand %ymm0, %ymm3, %ymm0
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm2
+; AVX2-NEXT:    vpand %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_packus_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-packus.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-packus.ll
+++ llvm/test/CodeGen/X86/vector-trunc-packus.ll
@@ -198,33 +198,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_packus_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
-; AVX2-SLOW-NEXT:    vpand %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_packus_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpxor %xmm1, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
-; AVX2-FAST-NEXT:    vpand %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_packus_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm1
+; AVX2-NEXT:    vpand %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_packus_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -612,42 +597,24 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_packus_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-SLOW-NEXT:    vpand %ymm1, %ymm3, %ymm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm2
-; AVX2-SLOW-NEXT:    vpand %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_packus_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-FAST-NEXT:    vpand %ymm1, %ymm3, %ymm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm2
-; AVX2-FAST-NEXT:    vpand %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_packus_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
+; AVX2-NEXT:    vpand %ymm0, %ymm3, %ymm0
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm2
+; AVX2-NEXT:    vpand %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_packus_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-ssat-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-ssat-widen.ll
+++ llvm/test/CodeGen/X86/vector-trunc-ssat-widen.ll
@@ -210,33 +210,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_ssat_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_ssat_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_ssat_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_ssat_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -641,42 +626,24 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_ssat_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_ssat_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_ssat_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_ssat_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-ssat.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-ssat.ll
+++ llvm/test/CodeGen/X86/vector-trunc-ssat.ll
@@ -210,33 +210,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_ssat_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
-; AVX2-SLOW-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_ssat_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
-; AVX2-FAST-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_ssat_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [2147483647,2147483647,2147483647,2147483647]
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm1, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm0, %ymm2
+; AVX2-NEXT:    vblendvpd %ymm2, %ymm0, %ymm1, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_ssat_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -641,42 +626,24 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_ssat_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_ssat_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_ssat_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [2147483647,2147483647,2147483647,2147483647]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vpcmpgtq %ymm0, %ymm2, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [18446744071562067968,18446744071562067968,18446744071562067968,18446744071562067968]
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm0, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpcmpgtq %ymm2, %ymm1, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_ssat_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-usat-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-usat-widen.ll
+++ llvm/test/CodeGen/X86/vector-trunc-usat-widen.ll
@@ -127,33 +127,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_usat_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-SLOW-NEXT:    vpxor %ymm1, %ymm0, %ymm1
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
-; AVX2-SLOW-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_usat_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-FAST-NEXT:    vpxor %ymm1, %ymm0, %ymm1
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
-; AVX2-FAST-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_usat_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %ymm1, %ymm0, %ymm1
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_usat_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -405,40 +390,23 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_usat_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm1, %ymm4
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
-; AVX2-SLOW-NEXT:    vblendvpd %ymm4, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm0, %ymm3
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_usat_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm1, %ymm4
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
-; AVX2-FAST-NEXT:    vblendvpd %ymm4, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm0, %ymm3
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_usat_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %ymm3, %ymm0, %ymm4
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
+; AVX2-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpxor %ymm3, %ymm1, %ymm3
+; AVX2-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_usat_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-usat.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-usat.ll
+++ llvm/test/CodeGen/X86/vector-trunc-usat.ll
@@ -127,33 +127,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_usat_v4i64_v4i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-SLOW-NEXT:    vpxor %ymm1, %ymm0, %ymm1
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
-; AVX2-SLOW-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_usat_v4i64_v4i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-FAST-NEXT:    vpxor %ymm1, %ymm0, %ymm1
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
-; AVX2-FAST-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm1 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm1, %ymm0
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_usat_v4i64_v4i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm1 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %ymm1, %ymm0, %ymm1
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm2 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
+; AVX2-NEXT:    vpcmpgtq %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vmovapd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,429496729]
+; AVX2-NEXT:    vblendvpd %ymm1, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc_usat_v4i64_v4i32:
 ; AVX512F:       # %bb.0:
@@ -405,40 +390,23 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc_usat_v8i64_v8i32:
-; AVX2-SLOW:       # %bb.0:
-; AVX2-SLOW-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm1, %ymm4
-; AVX2-SLOW-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
-; AVX2-SLOW-NEXT:    vblendvpd %ymm4, %ymm1, %ymm2, %ymm1
-; AVX2-SLOW-NEXT:    vpxor %ymm3, %ymm0, %ymm3
-; AVX2-SLOW-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
-; AVX2-SLOW-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc_usat_v8i64_v8i32:
-; AVX2-FAST:       # %bb.0:
-; AVX2-FAST-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm1, %ymm4
-; AVX2-FAST-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
-; AVX2-FAST-NEXT:    vblendvpd %ymm4, %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vpxor %ymm3, %ymm0, %ymm3
-; AVX2-FAST-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
-; AVX2-FAST-NEXT:    vblendvpd %ymm3, %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vmovapd {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc_usat_v8i64_v8i32:
+; AVX2:       # %bb.0:
+; AVX2-NEXT:    vbroadcastsd {{.*#+}} ymm2 = [4294967295,4294967295,4294967295,4294967295]
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm3 = [9223372036854775808,9223372036854775808,9223372036854775808,9223372036854775808]
+; AVX2-NEXT:    vpxor %ymm3, %ymm0, %ymm4
+; AVX2-NEXT:    vpbroadcastq {{.*#+}} ymm5 = [9223372041149743103,9223372041149743103,9223372041149743103,9223372041149743103]
+; AVX2-NEXT:    vpcmpgtq %ymm4, %ymm5, %ymm4
+; AVX2-NEXT:    vblendvpd %ymm4, %ymm0, %ymm2, %ymm0
+; AVX2-NEXT:    vpxor %ymm3, %ymm1, %ymm3
+; AVX2-NEXT:    vpcmpgtq %ymm3, %ymm5, %ymm3
+; AVX2-NEXT:    vblendvpd %ymm3, %ymm1, %ymm2, %ymm1
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc_usat_v8i64_v8i32:
 ; AVX512:       # %bb.0:
Index: llvm/test/CodeGen/X86/vector-trunc-widen.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc-widen.ll
+++ llvm/test/CodeGen/X86/vector-trunc-widen.ll
@@ -18,31 +18,14 @@
 ; SSE-NEXT:    movaps %xmm2, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX1-LABEL: trunc8i64_8i32:
-; AVX1:       # %bb.0: # %entry
-; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
-; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc8i64_8i32:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc8i64_8i32:
+; AVX:       # %bb.0: # %entry
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32:
 ; AVX512:       # %bb.0: # %entry
@@ -70,22 +53,14 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i32_ashr:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[1,3,2,3,5,7,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[1,3,2,3,5,7,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32_ashr:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [1,3,5,7,5,7,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i32_ashr:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[1,3],xmm2[1,3]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm2[1,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32_ashr:
 ; AVX512:       # %bb.0: # %entry
@@ -115,26 +90,16 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i32_lshr:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpsrlq $32, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32_lshr:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vpsrlq $32, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i32_lshr:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vpsrlq $32, %ymm0, %ymm0
+; AVX2-NEXT:    vpsrlq $32, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32_lshr:
 ; AVX512:       # %bb.0: # %entry
@@ -205,30 +170,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i16:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i16:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i16:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i16:
 ; AVX512:       # %bb.0: # %entry
@@ -1372,31 +1325,14 @@
 ; SSE-NEXT:    movaps %xmm2, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX1-LABEL: trunc2x4i64_8i32:
-; AVX1:       # %bb.0: # %entry
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
-; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
-; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc2x4i64_8i32:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc2x4i64_8i32:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc2x4i64_8i32:
+; AVX:       # %bb.0: # %entry
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc2x4i64_8i32:
 ; AVX512F:       # %bb.0: # %entry
Index: llvm/test/CodeGen/X86/vector-trunc.ll
===================================================================
--- llvm/test/CodeGen/X86/vector-trunc.ll
+++ llvm/test/CodeGen/X86/vector-trunc.ll
@@ -18,31 +18,14 @@
 ; SSE-NEXT:    movaps %xmm2, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX1-LABEL: trunc8i64_8i32:
-; AVX1:       # %bb.0: # %entry
-; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
-; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc8i64_8i32:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc8i64_8i32:
+; AVX:       # %bb.0: # %entry
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32:
 ; AVX512:       # %bb.0: # %entry
@@ -70,22 +53,14 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i32_ashr:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[1,3,2,3,5,7,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[1,3,2,3,5,7,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32_ashr:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [1,3,5,7,5,7,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i32_ashr:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[1,3],xmm2[1,3]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm2[1,3]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32_ashr:
 ; AVX512:       # %bb.0: # %entry
@@ -115,26 +90,16 @@
 ; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i32_lshr:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpsrlq $32, %ymm1, %ymm1
-; AVX2-SLOW-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i32_lshr:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vpsrlq $32, %ymm1, %ymm1
-; AVX2-FAST-NEXT:    vpsrlq $32, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i32_lshr:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vpsrlq $32, %ymm0, %ymm0
+; AVX2-NEXT:    vpsrlq $32, %ymm1, %ymm1
+; AVX2-NEXT:    vextracti128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextracti128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i32_lshr:
 ; AVX512:       # %bb.0: # %entry
@@ -205,30 +170,18 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i16:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i16:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinserti128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
-; AVX2-FAST-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-FAST-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i16:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX2-NEXT:    vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31]
+; AVX2-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
+; AVX2-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i16:
 ; AVX512:       # %bb.0: # %entry
@@ -301,32 +254,19 @@
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
 ;
-; AVX2-SLOW-LABEL: trunc8i64_8i8:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm2 = <0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u>
-; AVX2-SLOW-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX2-SLOW-NEXT:    vmovq %xmm0, (%rax)
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc8i64_8i8:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm2 = <0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u>
-; AVX2-FAST-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
-; AVX2-FAST-NEXT:    vmovq %xmm0, (%rax)
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX2-LABEL: trunc8i64_8i8:
+; AVX2:       # %bb.0: # %entry
+; AVX2-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX2-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX2-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX2-NEXT:    vmovdqa {{.*#+}} xmm2 = <0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u>
+; AVX2-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; AVX2-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpunpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
+; AVX2-NEXT:    vmovq %xmm0, (%rax)
+; AVX2-NEXT:    vzeroupper
+; AVX2-NEXT:    retq
 ;
 ; AVX512-LABEL: trunc8i64_8i8:
 ; AVX512:       # %bb.0: # %entry
@@ -1382,31 +1322,14 @@
 ; SSE-NEXT:    movaps %xmm2, %xmm1
 ; SSE-NEXT:    retq
 ;
-; AVX1-LABEL: trunc2x4i64_8i32:
-; AVX1:       # %bb.0: # %entry
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
-; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
-; AVX1-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc2x4i64_8i32:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpermilps {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermpd {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc2x4i64_8i32:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovaps {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermps %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermps %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc2x4i64_8i32:
+; AVX:       # %bb.0: # %entry
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vinsertf128 $1, %xmm1, %ymm0, %ymm0
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc2x4i64_8i32:
 ; AVX512F:       # %bb.0: # %entry
@@ -1492,43 +1415,18 @@
 ; SSE41-NEXT:    pblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm2[4,5,6,7]
 ; SSE41-NEXT:    retq
 ;
-; AVX1-LABEL: trunc2x4i64_8i16:
-; AVX1:       # %bb.0: # %entry
-; AVX1-NEXT:    vextractf128 $1, %ymm0, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
-; AVX1-NEXT:    vextractf128 $1, %ymm1, %xmm2
-; AVX1-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
-; AVX1-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX1-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX1-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX1-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
-; AVX1-NEXT:    vzeroupper
-; AVX1-NEXT:    retq
-;
-; AVX2-SLOW-LABEL: trunc2x4i64_8i16:
-; AVX2-SLOW:       # %bb.0: # %entry
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm0 = ymm0[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
-; AVX2-SLOW-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[0,2,2,3,4,6,6,7]
-; AVX2-SLOW-NEXT:    vpermq {{.*#+}} ymm1 = ymm1[0,2,2,3]
-; AVX2-SLOW-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX2-SLOW-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-SLOW-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-SLOW-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
-; AVX2-SLOW-NEXT:    vzeroupper
-; AVX2-SLOW-NEXT:    retq
-;
-; AVX2-FAST-LABEL: trunc2x4i64_8i16:
-; AVX2-FAST:       # %bb.0: # %entry
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} ymm2 = [0,2,4,6,4,6,6,7]
-; AVX2-FAST-NEXT:    vpermd %ymm0, %ymm2, %ymm0
-; AVX2-FAST-NEXT:    vpermd %ymm1, %ymm2, %ymm1
-; AVX2-FAST-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
-; AVX2-FAST-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
-; AVX2-FAST-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
-; AVX2-FAST-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
-; AVX2-FAST-NEXT:    vzeroupper
-; AVX2-FAST-NEXT:    retq
+; AVX-LABEL: trunc2x4i64_8i16:
+; AVX:       # %bb.0: # %entry
+; AVX-NEXT:    vextractf128 $1, %ymm0, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[0,2]
+; AVX-NEXT:    vextractf128 $1, %ymm1, %xmm2
+; AVX-NEXT:    vshufps {{.*#+}} xmm1 = xmm1[0,2],xmm2[0,2]
+; AVX-NEXT:    vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
+; AVX-NEXT:    vpshufb %xmm2, %xmm1, %xmm1
+; AVX-NEXT:    vpshufb %xmm2, %xmm0, %xmm0
+; AVX-NEXT:    vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
+; AVX-NEXT:    vzeroupper
+; AVX-NEXT:    retq
 ;
 ; AVX512F-LABEL: trunc2x4i64_8i16:
 ; AVX512F:       # %bb.0: # %entry