diff --git a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
index 413142e..3d58306 100644
--- a/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
+++ b/lib/Target/PowerPC/InstPrinter/PPCInstPrinter.cpp
@@ -136,21 +136,21 @@
 
 void PPCInstPrinter::printS5ImmOperand(const MCInst *MI, unsigned OpNo,
                                        raw_ostream &O) {
-  char Value = MI->getOperand(OpNo).getImm();
+  int Value = MI->getOperand(OpNo).getImm();
   Value = SignExtend32<5>(Value);
   O << (int)Value;
 }
 
 void PPCInstPrinter::printU5ImmOperand(const MCInst *MI, unsigned OpNo,
                                        raw_ostream &O) {
-  unsigned char Value = MI->getOperand(OpNo).getImm();
+  unsigned int Value = MI->getOperand(OpNo).getImm();
   assert(Value <= 31 && "Invalid u5imm argument!");
   O << (unsigned int)Value;
 }
 
 void PPCInstPrinter::printU6ImmOperand(const MCInst *MI, unsigned OpNo,
                                        raw_ostream &O) {
-  unsigned char Value = MI->getOperand(OpNo).getImm();
+  unsigned int Value = MI->getOperand(OpNo).getImm();
   assert(Value <= 63 && "Invalid u6imm argument!");
   O << (unsigned int)Value;
 }
diff --git a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
index e8f4d16..b52452c 100644
--- a/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
+++ b/lib/Target/PowerPC/PPCISelDAGToDAG.cpp
@@ -701,10 +701,29 @@
     }
   }
 
+  SDValue LHS = N->getOperand(0);
+  SDValue RHS = N->getOperand(1);
+
+  // Altivec Vector compare instructions do not set any CR register by default
+  if (LHS.getValueType().isVector()) {
+    unsigned int Opc;
+    if (LHS.getValueType() == MVT::v16i8)
+      Opc = PPC::VCMPEQUB;
+    else if (LHS.getValueType() == MVT::v4i32)
+      Opc = PPC::VCMPEQUW;
+    else if (LHS.getValueType() == MVT::v8i16)
+      Opc = PPC::VCMPEQUH;
+    else if (LHS.getValueType() == MVT::v4f32)
+      Opc = PPC::VCMPEQFP;
+    else
+      llvm_unreachable("Invalid vector compare type: should be expanded by legalize");
+    return CurDAG->SelectNodeTo(N, Opc, LHS.getValueType(), LHS, RHS);
+  }
+
   bool Inv;
   int OtherCondIdx;
   unsigned Idx = getCRIdxForSetCC(CC, Inv, OtherCondIdx);
-  SDValue CCReg = SelectCC(N->getOperand(0), N->getOperand(1), CC, dl);
+  SDValue CCReg = SelectCC(LHS, RHS, CC, dl);
   SDValue IntCR;
 
   // Force the ccreg into CR7.
@@ -717,7 +736,7 @@
   if (PPCSubTarget.hasMFOCRF() && OtherCondIdx == -1)
     IntCR = SDValue(CurDAG->getMachineNode(PPC::MFOCRF, dl, MVT::i32, CR7Reg,
                                            CCReg), 0);
- else
+  else
     IntCR = SDValue(CurDAG->getMachineNode(PPC::MFCRpseud, dl, MVT::i32,
                                            CR7Reg, CCReg), 0);
 
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index eaef9d3..bdda8ea 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -542,7 +542,9 @@
 }
 
 EVT PPCTargetLowering::getSetCCResultType(EVT VT) const {
-  return MVT::i32;
+  if (!VT.isVector())
+    return MVT::i32;
+  return VT.changeVectorElementTypeToInteger();
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/test/CodeGen/PowerPC/vec_cmp.ll b/test/CodeGen/PowerPC/vec_cmp.ll
new file mode 100644
index 0000000..b2b59db
--- /dev/null
+++ b/test/CodeGen/PowerPC/vec_cmp.ll
@@ -0,0 +1,191 @@
+; RUN: llc -mattr=+altivec < %s | FileCheck %s
+
+; Check vector comparisons using altivec.
+
+
+target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+define <2 x i8> @v2si8_cmp(<2 x i8> %x, <2 x i8> %y) nounwind readnone {
+  %cmp = icmp eq <2 x i8> %x, %y
+  %sext = sext <2 x i1> %cmp to <2 x i8>
+  ret <2 x i8> %sext
+}
+; CHECK: v2si8_cmp:
+; CHECK: vcmpequb {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <4 x i8> @v4si8_cmp(<4 x i8> %x, <4 x i8> %y) nounwind readnone {
+  %cmp = icmp eq <4 x i8> %x, %y
+  %sext = sext <4 x i1> %cmp to <4 x i8>
+  ret <4 x i8> %sext
+}
+; CHECK: v4si8_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <8 x i8> @v8si8_cmp(<8 x i8> %x, <8 x i8> %y) nounwind readnone {
+  %cmp = icmp eq <8 x i8> %x, %y
+  %sext = sext <8 x i1> %cmp to <8 x i8>
+  ret <8 x i8> %sext
+}
+; CHECK: v8si8_cmp:
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <16 x i8> @v16si8_cmp(<16 x i8> %x, <16 x i8> %y) nounwind readnone {
+  %cmp = icmp eq <16 x i8> %x, %y
+  %sext = sext <16 x i1> %cmp to <16 x i8>
+  ret <16 x i8> %sext
+}
+; CHECK: v16si8_cmp:
+; CHECK: vcmpequb {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <32 x i8> @v32si8_cmp(<32 x i8> %x, <32 x i8> %y) nounwind readnone {
+  %cmp = icmp eq <32 x i8> %x, %y
+  %sext = sext <32 x i1> %cmp to <32 x i8>
+  ret <32 x i8> %sext
+}
+; CHECK: v32si8_cmp:
+; CHECK: vcmpequb {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequb {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <2 x i16> @v2si16_cmp(<2 x i16> %x, <2 x i16> %y) nounwind readnone {
+  %cmp = icmp eq <2 x i16> %x, %y
+  %sext = sext <2 x i1> %cmp to <2 x i16>
+  ret <2 x i16> %sext
+}
+; CHECK: v2si16_cmp:
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <4 x i16> @v4si16_cmp(<4 x i16> %x, <4 x i16> %y) nounwind readnone {
+  %cmp = icmp eq <4 x i16> %x, %y
+  %sext = sext <4 x i1> %cmp to <4 x i16>
+  ret <4 x i16> %sext
+}
+; CHECK: v4si16_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <8 x i16> @v8si16_cmp(<8 x i16> %x, <8 x i16> %y) nounwind readnone {
+  %cmp = icmp eq <8 x i16> %x, %y
+  %sext = sext <8 x i1> %cmp to <8 x i16>
+  ret <8 x i16> %sext
+}
+; CHECK: v8si16_cmp:
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <16 x i16> @v16si16_cmp(<16 x i16> %x, <16 x i16> %y) nounwind readnone {
+  %cmp = icmp eq <16 x i16> %x, %y
+  %sext = sext <16 x i1> %cmp to <16 x i16>
+  ret <16 x i16> %sext
+}
+; CHECK: v16si16_cmp:
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <32 x i16> @v32si16_cmp(<32 x i16> %x, <32 x i16> %y) nounwind readnone {
+  %cmp = icmp eq <32 x i16> %x, %y
+  %sext = sext <32 x i1> %cmp to <32 x i16>
+  ret <32 x i16> %sext
+}
+; CHECK: v32si16_cmp:
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequh {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <2 x i32> @v2si32_cmp(<2 x i32> %x, <2 x i32> %y) nounwind readnone {
+  %cmp = icmp eq <2 x i32> %x, %y
+  %sext = sext <2 x i1> %cmp to <2 x i32>
+  ret <2 x i32> %sext
+}
+; CHECK: v2si32_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <4 x i32> @v4si32_cmp(<4 x i32> %x, <4 x i32> %y) nounwind readnone {
+  %cmp = icmp eq <4 x i32> %x, %y
+  %sext = sext <4 x i1> %cmp to <4 x i32>
+  ret <4 x i32> %sext
+}
+; CHECK: v4si32_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <8 x i32> @v8si32_cmp(<8 x i32> %x, <8 x i32> %y) nounwind readnone {
+  %cmp = icmp eq <8 x i32> %x, %y
+  %sext = sext <8 x i1> %cmp to <8 x i32>
+  ret <8 x i32> %sext
+}
+; CHECK: v8si32_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <16 x i32> @v16si32_cmp(<16 x i32> %x, <16 x i32> %y) nounwind readnone {
+  %cmp = icmp eq <16 x i32> %x, %y
+  %sext = sext <16 x i1> %cmp to <16 x i32>
+  ret <16 x i32> %sext
+}
+; CHECK: v16si32_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <32 x i32> @v32si32_cmp(<32 x i32> %x, <32 x i32> %y) nounwind readnone {
+  %cmp = icmp eq <32 x i32> %x, %y
+  %sext = sext <32 x i1> %cmp to <32 x i32>
+  ret <32 x i32> %sext
+}
+; CHECK: v32si32_cmp:
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpequw {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <2 x float> @v2f32_cmp(<2 x float> %x, <2 x float> %y) nounwind readnone {
+entry:
+  %cmp = fcmp oeq <2 x float> %x, %y
+  %sext = sext <2 x i1> %cmp to <2 x i32>
+  %0 = bitcast <2 x i32> %sext to <2 x float>
+  ret <2 x float> %0
+}
+; CHECK: v2f32_cmp:
+; CHECK: vcmpeqfp {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <4 x float> @v4f32_cmp(<4 x float> %x, <4 x float> %y) nounwind readnone {
+entry:
+  %cmp = fcmp oeq <4 x float> %x, %y
+  %sext = sext <4 x i1> %cmp to <4 x i32>
+  %0 = bitcast <4 x i32> %sext to <4 x float>
+  ret <4 x float> %0
+}
+; CHECK: v4f32_cmp:
+; CHECK: vcmpeqfp {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+
+
+define <8 x float> @v8f32_cmp(<8 x float> %x, <8 x float> %y) nounwind readnone {
+entry:
+  %cmp = fcmp oeq <8 x float> %x, %y
+  %sext = sext <8 x i1> %cmp to <8 x i32>
+  %0 = bitcast <8 x i32> %sext to <8 x float>
+  ret <8 x float> %0
+}
+; CHECK: v8f32_cmp:
+; CHECK: vcmpeqfp {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}
+; CHECK: vcmpeqfp {{[0-9]+}}, {{[0-9]+}}, {{[0-9]+}}