diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index ee4cdbc..8cf0bef 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -48821,15 +48821,28 @@
     }
   }
 
-  // Look for a truncate with a single use.
-  if (Op.getOpcode() != ISD::TRUNCATE || !Op.hasOneUse())
+  // Look for a truncate.
+  if (Op.getOpcode() != ISD::TRUNCATE)
     return SDValue();
 
+  SDValue Trunc = Op;
   Op = Op.getOperand(0);
 
-  // Arithmetic op can only have one use.
-  if (!Op.hasOneUse())
-    return SDValue();
+  // See if we can compare with zero against the truncation source,
+  // which should help using the Z flag from many ops. Only do this for
+  // i32 truncated op to prevent partial-reg compares of promoted ops.
+  EVT OpVT = Op.getValueType();
+  APInt UpperBits =
+      APInt::getBitsSetFrom(OpVT.getSizeInBits(), VT.getSizeInBits());
+  if (OpVT == MVT::i32 && DAG.MaskedValueIsZero(Op, UpperBits) &&
+      onlyZeroFlagUsed(SDValue(N, 0))) {
+    return DAG.getNode(X86ISD::CMP, dl, MVT::i32, Op,
+                       DAG.getConstant(0, dl, OpVT));
+  }
+
+  // After this the truncate and arithmetic op must have a single use.
+  if (!Trunc.hasOneUse() || !Op.hasOneUse())
+      return SDValue();
 
   unsigned NewOpc;
   switch (Op.getOpcode()) {
diff --git a/test/CodeGen/X86/and-with-overflow.ll b/test/CodeGen/X86/and-with-overflow.ll
index d83f91a..05b1db4 100644
--- a/test/CodeGen/X86/and-with-overflow.ll
+++ b/test/CodeGen/X86/and-with-overflow.ll
@@ -75,7 +75,6 @@
 ; X64:       # %bb.0:
 ; X64-NEXT:    movl %edi, %eax
 ; X64-NEXT:    andl $-17, %eax
-; X64-NEXT:    testw %ax, %ax
 ; X64-NEXT:    cmovel %edi, %eax
 ; X64-NEXT:    # kill: def $ax killed $ax killed $eax
 ; X64-NEXT:    retq
diff --git a/test/CodeGen/X86/pr34137.ll b/test/CodeGen/X86/pr34137.ll
index f24b96f..f374515 100644
--- a/test/CodeGen/X86/pr34137.ll
+++ b/test/CodeGen/X86/pr34137.ll
@@ -11,12 +11,10 @@
 ; CHECK-NEXT:    movzwl {{.*}}(%rip), %eax
 ; CHECK-NEXT:    movzwl {{.*}}(%rip), %ecx
 ; CHECK-NEXT:    andl %eax, %ecx
-; CHECK-NEXT:    movl %eax, %edx
-; CHECK-NEXT:    andl %ecx, %edx
-; CHECK-NEXT:    movzwl %dx, %edx
-; CHECK-NEXT:    movl %edx, -{{[0-9]+}}(%rsp)
 ; CHECK-NEXT:    xorl %edx, %edx
-; CHECK-NEXT:    testw %cx, %ax
+; CHECK-NEXT:    andl %eax, %ecx
+; CHECK-NEXT:    movzwl %cx, %ecx
+; CHECK-NEXT:    movl %ecx, -{{[0-9]+}}(%rsp)
 ; CHECK-NEXT:    sete %dl
 ; CHECK-NEXT:    andl %eax, %edx
 ; CHECK-NEXT:    movq %rdx, {{.*}}(%rip)
diff --git a/test/CodeGen/X86/pr49028.ll b/test/CodeGen/X86/pr49028.ll
index 9b67390..ecaefc7 100644
--- a/test/CodeGen/X86/pr49028.ll
+++ b/test/CodeGen/X86/pr49028.ll
@@ -8,7 +8,6 @@
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X86-NEXT:    movzwl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    shrl %eax
-; X86-NEXT:    testw %ax, %ax
 ; X86-NEXT:    sete (%ecx)
 ; X86-NEXT:    # kill: def $ax killed $ax killed $eax
 ; X86-NEXT:    retl
@@ -17,7 +16,6 @@
 ; X64:       # %bb.0:
 ; X64-NEXT:    movl %edi, %eax
 ; X64-NEXT:    shrl %eax
-; X64-NEXT:    testw %ax, %ax
 ; X64-NEXT:    sete (%rsi)
 ; X64-NEXT:    # kill: def $ax killed $ax killed $eax
 ; X64-NEXT:    retq
diff --git a/test/CodeGen/X86/setcc-logic.ll b/test/CodeGen/X86/setcc-logic.ll
index 743d0c1..c82a7df 100644
--- a/test/CodeGen/X86/setcc-logic.ll
+++ b/test/CodeGen/X86/setcc-logic.ll
@@ -646,12 +646,18 @@
 }
 
 define i1 @or_cmp_eq_i16(i16 zeroext %x, i16 zeroext %y) {
-; CHECK-LABEL: or_cmp_eq_i16:
-; CHECK:       # %bb.0:
-; CHECK-NEXT:    notl %edi
-; CHECK-NEXT:    testw %si, %di
-; CHECK-NEXT:    sete %al
-; CHECK-NEXT:    retq
+; NOBMI-LABEL: or_cmp_eq_i16:
+; NOBMI:       # %bb.0:
+; NOBMI-NEXT:    notl %edi
+; NOBMI-NEXT:    testl %esi, %edi
+; NOBMI-NEXT:    sete %al
+; NOBMI-NEXT:    retq
+;
+; BMI-LABEL: or_cmp_eq_i16:
+; BMI:       # %bb.0:
+; BMI-NEXT:    andnl %esi, %edi, %eax
+; BMI-NEXT:    sete %al
+; BMI-NEXT:    retq
   %o = or i16 %x, %y
   %c = icmp eq i16 %x, %o
   ret i1 %c
diff --git a/test/CodeGen/X86/vector-compare-any_of.ll b/test/CodeGen/X86/vector-compare-any_of.ll
index b942f31..ee7e5f9 100644
--- a/test/CodeGen/X86/vector-compare-any_of.ll
+++ b/test/CodeGen/X86/vector-compare-any_of.ll
@@ -887,7 +887,7 @@
 ; SSE-NEXT:    cmpneqps %xmm2, %xmm0
 ; SSE-NEXT:    packssdw %xmm1, %xmm0
 ; SSE-NEXT:    pmovmskb %xmm0, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -994,7 +994,7 @@
 ; SSE:       # %bb.0:
 ; SSE-NEXT:    pcmpgtw %xmm0, %xmm1
 ; SSE-NEXT:    pmovmskb %xmm1, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -1002,7 +1002,7 @@
 ; AVX:       # %bb.0:
 ; AVX-NEXT:    vpcmpgtw %xmm0, %xmm1, %xmm0
 ; AVX-NEXT:    vpmovmskb %xmm0, %eax
-; AVX-NEXT:    testw %ax, %ax
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    setne %al
 ; AVX-NEXT:    retq
 ;
@@ -1119,7 +1119,7 @@
 ; SSE-NEXT:    pcmpeqd %xmm0, %xmm2
 ; SSE-NEXT:    packssdw %xmm3, %xmm2
 ; SSE-NEXT:    pmovmskb %xmm2, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
diff --git a/test/CodeGen/X86/vector-reduce-and-cmp.ll b/test/CodeGen/X86/vector-reduce-and-cmp.ll
index c890b85..124c7df 100644
--- a/test/CodeGen/X86/vector-reduce-and-cmp.ll
+++ b/test/CodeGen/X86/vector-reduce-and-cmp.ll
@@ -470,7 +470,7 @@
 ; SSE-NEXT:    psrld $16, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
@@ -479,7 +479,7 @@
 ; AVX-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm0, %xmm1, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testw %ax, %ax
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    sete %al
 ; AVX-NEXT:    retq
   %1 = call i16 @llvm.vector.reduce.and.v2i16(<2 x i16> %a0)
@@ -496,7 +496,7 @@
 ; SSE-NEXT:    psrld $16, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -507,7 +507,7 @@
 ; AVX-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm0, %xmm1, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testw %ax, %ax
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    setne %al
 ; AVX-NEXT:    retq
   %1 = call i16 @llvm.vector.reduce.and.v4i16(<4 x i16> %a0)
@@ -526,7 +526,7 @@
 ; SSE-NEXT:    psrld $16, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
@@ -539,7 +539,7 @@
 ; AVX-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm0, %xmm1, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testw %ax, %ax
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    sete %al
 ; AVX-NEXT:    retq
   %1 = call i16 @llvm.vector.reduce.and.v8i16(<8 x i16> %a0)
@@ -559,7 +559,7 @@
 ; SSE-NEXT:    psrld $16, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -574,7 +574,7 @@
 ; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vmovd %xmm0, %eax
-; AVX1-NEXT:    testw %ax, %ax
+; AVX1-NEXT:    testl %eax, %eax
 ; AVX1-NEXT:    setne %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
@@ -590,7 +590,7 @@
 ; AVX2-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
-; AVX2-NEXT:    testw %ax, %ax
+; AVX2-NEXT:    testl %eax, %eax
 ; AVX2-NEXT:    setne %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
@@ -606,7 +606,7 @@
 ; AVX512-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX512-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vmovd %xmm0, %eax
-; AVX512-NEXT:    testw %ax, %ax
+; AVX512-NEXT:    testl %eax, %eax
 ; AVX512-NEXT:    setne %al
 ; AVX512-NEXT:    vzeroupper
 ; AVX512-NEXT:    retq
@@ -629,7 +629,7 @@
 ; SSE-NEXT:    psrld $16, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
@@ -645,7 +645,7 @@
 ; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vmovd %xmm0, %eax
-; AVX1-NEXT:    testw %ax, %ax
+; AVX1-NEXT:    testl %eax, %eax
 ; AVX1-NEXT:    sete %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
@@ -662,7 +662,7 @@
 ; AVX2-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
-; AVX2-NEXT:    testw %ax, %ax
+; AVX2-NEXT:    testl %eax, %eax
 ; AVX2-NEXT:    sete %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
@@ -680,7 +680,7 @@
 ; AVX512-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX512-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vmovd %xmm0, %eax
-; AVX512-NEXT:    testw %ax, %ax
+; AVX512-NEXT:    testl %eax, %eax
 ; AVX512-NEXT:    sete %al
 ; AVX512-NEXT:    vzeroupper
 ; AVX512-NEXT:    retq
@@ -707,7 +707,7 @@
 ; SSE-NEXT:    psrld $16, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -725,7 +725,7 @@
 ; AVX1-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vmovd %xmm0, %eax
-; AVX1-NEXT:    testw %ax, %ax
+; AVX1-NEXT:    testl %eax, %eax
 ; AVX1-NEXT:    setne %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
@@ -744,7 +744,7 @@
 ; AVX2-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
-; AVX2-NEXT:    testw %ax, %ax
+; AVX2-NEXT:    testl %eax, %eax
 ; AVX2-NEXT:    setne %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
@@ -763,7 +763,7 @@
 ; AVX512-NEXT:    vpsrld $16, %xmm0, %xmm1
 ; AVX512-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vmovd %xmm0, %eax
-; AVX512-NEXT:    testw %ax, %ax
+; AVX512-NEXT:    testl %eax, %eax
 ; AVX512-NEXT:    setne %al
 ; AVX512-NEXT:    vzeroupper
 ; AVX512-NEXT:    retq
@@ -810,7 +810,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -821,7 +821,7 @@
 ; AVX-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testb %al, %al
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    setne %al
 ; AVX-NEXT:    retq
   %1 = call i8 @llvm.vector.reduce.and.v4i8(<4 x i8> %a0)
@@ -841,7 +841,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
@@ -854,7 +854,7 @@
 ; AVX-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testb %al, %al
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    sete %al
 ; AVX-NEXT:    retq
   %1 = call i8 @llvm.vector.reduce.and.v8i8(<8 x i8> %a0)
@@ -876,7 +876,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -891,7 +891,7 @@
 ; AVX-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX-NEXT:    vmovd %xmm0, %eax
-; AVX-NEXT:    testb %al, %al
+; AVX-NEXT:    testl %eax, %eax
 ; AVX-NEXT:    setne %al
 ; AVX-NEXT:    retq
   %1 = call i8 @llvm.vector.reduce.and.v16i8(<16 x i8> %a0)
@@ -914,7 +914,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm0
 ; SSE-NEXT:    pand %xmm1, %xmm0
 ; SSE-NEXT:    movd %xmm0, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
@@ -931,7 +931,7 @@
 ; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vmovd %xmm0, %eax
-; AVX1-NEXT:    testb %al, %al
+; AVX1-NEXT:    testl %eax, %eax
 ; AVX1-NEXT:    sete %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
@@ -949,7 +949,7 @@
 ; AVX2-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
-; AVX2-NEXT:    testb %al, %al
+; AVX2-NEXT:    testl %eax, %eax
 ; AVX2-NEXT:    sete %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
@@ -967,7 +967,7 @@
 ; AVX512-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX512-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX512-NEXT:    vmovd %xmm0, %eax
-; AVX512-NEXT:    testb %al, %al
+; AVX512-NEXT:    testl %eax, %eax
 ; AVX512-NEXT:    sete %al
 ; AVX512-NEXT:    vzeroupper
 ; AVX512-NEXT:    retq
@@ -993,7 +993,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;
@@ -1011,7 +1011,7 @@
 ; AVX1-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX1-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX1-NEXT:    vmovd %xmm0, %eax
-; AVX1-NEXT:    testb %al, %al
+; AVX1-NEXT:    testl %eax, %eax
 ; AVX1-NEXT:    setne %al
 ; AVX1-NEXT:    vzeroupper
 ; AVX1-NEXT:    retq
@@ -1030,7 +1030,7 @@
 ; AVX2-NEXT:    vpsrlw $8, %xmm0, %xmm1
 ; AVX2-NEXT:    vpand %xmm1, %xmm0, %xmm0
 ; AVX2-NEXT:    vmovd %xmm0, %eax
-; AVX2-NEXT:    testb %al, %al
+; AVX2-NEXT:    testl %eax, %eax
 ; AVX2-NEXT:    setne %al
 ; AVX2-NEXT:    vzeroupper
 ; AVX2-NEXT:    retq
@@ -1080,7 +1080,7 @@
 ; SSE-NEXT:    psrlw $8, %xmm1
 ; SSE-NEXT:    pand %xmm0, %xmm1
 ; SSE-NEXT:    movd %xmm1, %eax
-; SSE-NEXT:    testb %al, %al
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    sete %al
 ; SSE-NEXT:    retq
 ;
diff --git a/test/CodeGen/X86/vector-reduce-or-bool.ll b/test/CodeGen/X86/vector-reduce-or-bool.ll
index f7e6e8e..fea4d6a 100644
--- a/test/CodeGen/X86/vector-reduce-or-bool.ll
+++ b/test/CodeGen/X86/vector-reduce-or-bool.ll
@@ -1139,7 +1139,7 @@
 ; SSE-NEXT:    pcmpeqd %xmm2, %xmm0
 ; SSE-NEXT:    packssdw %xmm1, %xmm0
 ; SSE-NEXT:    pmovmskb %xmm0, %eax
-; SSE-NEXT:    testw %ax, %ax
+; SSE-NEXT:    testl %eax, %eax
 ; SSE-NEXT:    setne %al
 ; SSE-NEXT:    retq
 ;