diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 7edce21290330c..1cbfd41dcbc324 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -35047,7 +35047,8 @@ static SDValue combineX86ShufflesRecursively(
 
   for (SDValue &Op : OpInputs)
     if (Op.getValueSizeInBits() < RootSizeInBits)
-      Op = widenSubVector(Op, false, Subtarget, DAG, SDLoc(Op), RootSizeInBits);
+      Op = widenSubVector(peekThroughOneUseBitcasts(Op), false, Subtarget, DAG,
+                          SDLoc(Op), RootSizeInBits);
 
   SmallVector<int, 64> Mask;
   SmallVector<SDValue, 16> Ops;
diff --git a/llvm/test/CodeGen/X86/vector-reduce-mul.ll b/llvm/test/CodeGen/X86/vector-reduce-mul.ll
index 89ed59d455e491..09d1472c39e98f 100644
--- a/llvm/test/CodeGen/X86/vector-reduce-mul.ll
+++ b/llvm/test/CodeGen/X86/vector-reduce-mul.ll
@@ -1970,18 +1970,13 @@ define i8 @test_v32i8(<32 x i8> %a0) {
 ; AVX2-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX2-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX2-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[2,3,2,3,6,7,6,7]
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX2-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX2-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX2-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX2-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpand %xmm3, %xmm0, %xmm0
-; AVX2-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
@@ -2058,18 +2053,13 @@ define i8 @test_v32i8(<32 x i8> %a0) {
 ; AVX512DQ-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQ-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512DQ-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512DQ-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512DQ-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512DQ-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[2,3,2,3,6,7,6,7]
 ; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512DQ-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512DQ-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512DQ-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQ-NEXT:    vpand %xmm3, %xmm0, %xmm0
-; AVX512DQ-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX512DQ-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512DQ-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX512DQ-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX512DQ-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQ-NEXT:    vmovd %xmm0, %eax
@@ -2090,18 +2080,13 @@ define i8 @test_v32i8(<32 x i8> %a0) {
 ; AVX512DQVL-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512DQVL-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512DQVL-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[2,3,2,3,6,7,6,7]
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512DQVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512DQVL-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpand %xmm3, %xmm0, %xmm0
-; AVX512DQVL-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX512DQVL-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512DQVL-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX512DQVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512DQVL-NEXT:    vmovd %xmm0, %eax
@@ -2254,18 +2239,13 @@ define i8 @test_v64i8(<64 x i8> %a0) {
 ; AVX2-NEXT:    vpmullw %xmm0, %xmm3, %xmm0
 ; AVX2-NEXT:    vpmullw %xmm0, %xmm2, %xmm0
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm2
-; AVX2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
-; AVX2-NEXT:    vpshufd {{.*#+}} xmm2 = xmm2[1,1,2,3]
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} ymm2 = ymm2[2,3,2,3,6,7,6,7]
 ; AVX2-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm2
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm2, %xmm2
-; AVX2-NEXT:    vpsrld $16, %xmm2, %xmm2
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
+; AVX2-NEXT:    vpshufb {{.*#+}} xmm2 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX2-NEXT:    vpmullw %xmm2, %xmm0, %xmm0
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
@@ -2295,18 +2275,13 @@ define i8 @test_v64i8(<64 x i8> %a0) {
 ; AVX512BW-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BW-NEXT:    vpshufd {{.*#+}} zmm1 = zmm1[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15]
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BW-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vmovd %xmm0, %eax
@@ -2336,13 +2311,10 @@ define i8 @test_v64i8(<64 x i8> %a0) {
 ; AVX512BWVL-NEXT:    vpunpckhbw {{.*#+}} xmm2 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm2, %xmm1, %xmm1
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
-; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BWVL-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm1
+; AVX512BWVL-NEXT:    vpshufd {{.*#+}} zmm1 = zmm1[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
-; AVX512BWVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BWVL-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
 ; AVX512BWVL-NEXT:    vpsrlw $8, %xmm0, %xmm1
@@ -2637,18 +2609,13 @@ define i8 @test_v128i8(<128 x i8> %a0) {
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm3, %xmm1
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpand %xmm2, %xmm0, %xmm1
-; AVX2-NEXT:    vpxor %xmm3, %xmm3, %xmm3
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm1, %xmm1
-; AVX2-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX2-NEXT:    vpshufd {{.*#+}} ymm1 = ymm1[2,3,2,3,6,7,6,7]
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX2-NEXT:    vpand %xmm2, %xmm0, %xmm1
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm1, %xmm1
-; AVX2-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX2-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX2-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpand %xmm2, %xmm0, %xmm0
-; AVX2-NEXT:    vpackuswb %xmm3, %xmm0, %xmm0
+; AVX2-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX2-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX2-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
@@ -2681,18 +2648,13 @@ define i8 @test_v128i8(<128 x i8> %a0) {
 ; AVX512BW-NEXT:    vpmullw %xmm0, %xmm1, %xmm0
 ; AVX512BW-NEXT:    vpmullw %xmm0, %xmm2, %xmm0
 ; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpxor %xmm2, %xmm2, %xmm2
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BW-NEXT:    vpshufd {{.*#+}} zmm1 = zmm1[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15]
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm1
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BW-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BW-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vpand %xmm3, %xmm0, %xmm0
-; AVX512BW-NEXT:    vpackuswb %xmm2, %xmm0, %xmm0
+; AVX512BW-NEXT:    vpxor %xmm1, %xmm1, %xmm1
+; AVX512BW-NEXT:    vpackuswb %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX512BW-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BW-NEXT:    vmovd %xmm0, %eax
@@ -2725,13 +2687,10 @@ define i8 @test_v128i8(<128 x i8> %a0) {
 ; AVX512BWVL-NEXT:    vpunpckhbw {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm0, %xmm1, %xmm0
 ; AVX512BWVL-NEXT:    vpmullw %xmm0, %xmm2, %xmm0
-; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
-; AVX512BWVL-NEXT:    vpshufd {{.*#+}} xmm1 = xmm1[1,1,2,3]
-; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BWVL-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm1
+; AVX512BWVL-NEXT:    vpshufd {{.*#+}} zmm1 = zmm1[2,3,2,3,6,7,6,7,10,11,10,11,14,15,14,15]
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
-; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm1
-; AVX512BWVL-NEXT:    vpsrld $16, %xmm1, %xmm1
-; AVX512BWVL-NEXT:    vpmovzxbw {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero,xmm1[4],zero,xmm1[5],zero,xmm1[6],zero,xmm1[7],zero
+; AVX512BWVL-NEXT:    vpshufb {{.*#+}} xmm1 = xmm0[4],zero,xmm0[6],zero,zero,zero,zero,zero,xmm0[12],zero,xmm0[14],zero,zero,zero,zero,zero
 ; AVX512BWVL-NEXT:    vpmullw %xmm1, %xmm0, %xmm0
 ; AVX512BWVL-NEXT:    vpmovwb %ymm0, %xmm0
 ; AVX512BWVL-NEXT:    vpsrlw $8, %xmm0, %xmm1