setOperationAction(ISD::EXTRACT_VECTOR_ELT, VT, Custom);
}
+ // We support custom legalizing of sext and anyext loads for specific
+ // memory vector types which we can load as a scalar (or sequence of
+ // scalars) and extend in-register to a legal 128-bit vector type. For sext
+ // loads these must work with a single scalar load.
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v4i8, Custom);
+ if (Subtarget->is64Bit()) {
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v4i16, Custom);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v8i8, Custom);
+ }
+ setLoadExtAction(ISD::EXTLOAD, MVT::v2i8, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::v2i16, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::v2i32, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::v4i8, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::v4i16, Custom);
+ setLoadExtAction(ISD::EXTLOAD, MVT::v8i8, Custom);
+
setOperationAction(ISD::BUILD_VECTOR, MVT::v2f64, Custom);
setOperationAction(ISD::BUILD_VECTOR, MVT::v2i64, Custom);
setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v2f64, Custom);
// some vselects for now.
setOperationAction(ISD::VSELECT, MVT::v16i8, Legal);
+ // SSE41 brings specific instructions for doing vector sign extend even in
+ // cases where we don't have SRA.
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v2i8, Custom);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v2i16, Custom);
+ setLoadExtAction(ISD::SEXTLOAD, MVT::v2i32, Custom);
+
// i8 and i16 vectors are custom , because the source register and source
// source memory operand types are not the same width. f32 vectors are
// custom since the immediate controlling the insert encodes additional
return DAG.getNode(ISD::CONCAT_VECTORS, dl, VT, OpLo, OpHi);
}
+// Lower vector extended loads using a shuffle. If SSSE3 is not available we
+// may emit an illegal shuffle but the expansion is still better than scalar
+// code. We generate X86ISD::VSEXT for SEXTLOADs if it's available, otherwise
+// we'll emit a shuffle and a arithmetic shift.
+// TODO: It is possible to support ZExt by zeroing the undef values during
+// the shuffle phase or after the shuffle.
+static SDValue LowerExtendedLoad(SDValue Op, const X86Subtarget *Subtarget,
+ SelectionDAG &DAG) {
+ MVT RegVT = Op.getSimpleValueType();
+ assert(RegVT.isVector() && "We only custom lower vector sext loads.");
+ assert(RegVT.isInteger() &&
+ "We only custom lower integer vector sext loads.");
+
+ // Nothing useful we can do without SSE2 shuffles.
+ assert(Subtarget->hasSSE2() && "We only custom lower sext loads with SSE2.");
+
+ LoadSDNode *Ld = cast<LoadSDNode>(Op.getNode());
+ SDLoc dl(Ld);
+ EVT MemVT = Ld->getMemoryVT();
+ const TargetLowering &TLI = DAG.getTargetLoweringInfo();
+ unsigned RegSz = RegVT.getSizeInBits();
+
+ ISD::LoadExtType Ext = Ld->getExtensionType();
+
+ assert((Ext == ISD::EXTLOAD || Ext == ISD::SEXTLOAD)
+ && "Only anyext and sext are currently implemented.");
+ assert(MemVT != RegVT && "Cannot extend to the same type");
+ assert(MemVT.isVector() && "Must load a vector from memory");
+
+ unsigned NumElems = RegVT.getVectorNumElements();
+ unsigned MemSz = MemVT.getSizeInBits();
+ assert(RegSz > MemSz && "Register size must be greater than the mem size");
+
+ if (Ext == ISD::SEXTLOAD && RegSz == 256 && !Subtarget->hasInt256()) {
+ // The only way in which we have a legal 256-bit vector result but not the
+ // integer 256-bit operations needed to directly lower a sextload is if we
+ // have AVX1 but not AVX2. In that case, we can always emit a sextload to
+ // a 128-bit vector and a normal sign_extend to 256-bits that should get
+ // correctly legalized. We do this late to allow the canonical form of
+ // sextload to persist throughout the rest of the DAG combiner -- it wants
+ // to fold together any extensions it can, and so will fuse a sign_extend
+ // of an sextload into an sextload targeting a wider value.
+ SDValue Load;
+ if (MemSz == 128) {
+ // Just switch this to a normal load.
+ assert(TLI.isTypeLegal(MemVT) && "If the memory type is a 128-bit type, "
+ "it must be a legal 128-bit vector "
+ "type!");
+ Load = DAG.getLoad(MemVT, dl, Ld->getChain(), Ld->getBasePtr(),
+ Ld->getPointerInfo(), Ld->isVolatile(), Ld->isNonTemporal(),
+ Ld->isInvariant(), Ld->getAlignment());
+ } else {
+ assert(MemSz < 128 &&
+ "Can't extend a type wider than 128 bits to a 256 bit vector!");
+ // Do an sext load to a 128-bit vector type. We want to use the same
+ // number of elements, but elements half as wide. This will end up being
+ // recursively lowered by this routine, but will succeed as we definitely
+ // have all the necessary features if we're using AVX1.
+ EVT HalfEltVT =
+ EVT::getIntegerVT(*DAG.getContext(), RegVT.getScalarSizeInBits() / 2);
+ EVT HalfVecVT = EVT::getVectorVT(*DAG.getContext(), HalfEltVT, NumElems);
+ Load =
+ DAG.getExtLoad(Ext, dl, HalfVecVT, Ld->getChain(), Ld->getBasePtr(),
+ Ld->getPointerInfo(), MemVT, Ld->isVolatile(),
+ Ld->isNonTemporal(), Ld->getAlignment());
+ }
+
+ // Replace chain users with the new chain.
+ assert(Load->getNumValues() == 2 && "Loads must carry a chain!");
+ DAG.ReplaceAllUsesOfValueWith(SDValue(Ld, 1), Load.getValue(1));
+
+ // Finally, do a normal sign-extend to the desired register.
+ return DAG.getSExtOrTrunc(Load, dl, RegVT);
+ }
+
+ // All sizes must be a power of two.
+ assert(isPowerOf2_32(RegSz * MemSz * NumElems) &&
+ "Non-power-of-two elements are not custom lowered!");
+
+ // Attempt to load the original value using scalar loads.
+ // Find the largest scalar type that divides the total loaded size.
+ MVT SclrLoadTy = MVT::i8;
+ for (unsigned tp = MVT::FIRST_INTEGER_VALUETYPE;
+ tp < MVT::LAST_INTEGER_VALUETYPE; ++tp) {
+ MVT Tp = (MVT::SimpleValueType)tp;
+ if (TLI.isTypeLegal(Tp) && ((MemSz % Tp.getSizeInBits()) == 0)) {
+ SclrLoadTy = Tp;
+ }
+ }
+
+ // On 32bit systems, we can't save 64bit integers. Try bitcasting to F64.
+ if (TLI.isTypeLegal(MVT::f64) && SclrLoadTy.getSizeInBits() < 64 &&
+ (64 <= MemSz))
+ SclrLoadTy = MVT::f64;
+
+ // Calculate the number of scalar loads that we need to perform
+ // in order to load our vector from memory.
+ unsigned NumLoads = MemSz / SclrLoadTy.getSizeInBits();
+
+ assert((Ext != ISD::SEXTLOAD || NumLoads == 1) &&
+ "Can only lower sext loads with a single scalar load!");
+
+ unsigned loadRegZize = RegSz;
+ if (Ext == ISD::SEXTLOAD && RegSz == 256)
+ loadRegZize /= 2;
+
+ // Represent our vector as a sequence of elements which are the
+ // largest scalar that we can load.
+ EVT LoadUnitVecVT = EVT::getVectorVT(
+ *DAG.getContext(), SclrLoadTy, loadRegZize / SclrLoadTy.getSizeInBits());
+
+ // Represent the data using the same element type that is stored in
+ // memory. In practice, we ''widen'' MemVT.
+ EVT WideVecVT =
+ EVT::getVectorVT(*DAG.getContext(), MemVT.getScalarType(),
+ loadRegZize / MemVT.getScalarType().getSizeInBits());
+
+ assert(WideVecVT.getSizeInBits() == LoadUnitVecVT.getSizeInBits() &&
+ "Invalid vector type");
+
+ // We can't shuffle using an illegal type.
+ assert(TLI.isTypeLegal(WideVecVT) &&
+ "We only lower types that form legal widened vector types");
+
+ SmallVector<SDValue, 8> Chains;
+ SDValue Ptr = Ld->getBasePtr();
+ SDValue Increment =
+ DAG.getConstant(SclrLoadTy.getSizeInBits() / 8, TLI.getPointerTy());
+ SDValue Res = DAG.getUNDEF(LoadUnitVecVT);
+
+ for (unsigned i = 0; i < NumLoads; ++i) {
+ // Perform a single load.
+ SDValue ScalarLoad =
+ DAG.getLoad(SclrLoadTy, dl, Ld->getChain(), Ptr, Ld->getPointerInfo(),
+ Ld->isVolatile(), Ld->isNonTemporal(), Ld->isInvariant(),
+ Ld->getAlignment());
+ Chains.push_back(ScalarLoad.getValue(1));
+ // Create the first element type using SCALAR_TO_VECTOR in order to avoid
+ // another round of DAGCombining.
+ if (i == 0)
+ Res = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, LoadUnitVecVT, ScalarLoad);
+ else
+ Res = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, LoadUnitVecVT, Res,
+ ScalarLoad, DAG.getIntPtrConstant(i));
+
+ Ptr = DAG.getNode(ISD::ADD, dl, Ptr.getValueType(), Ptr, Increment);
+ }
+
+ SDValue TF = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Chains);
+
+ // Bitcast the loaded value to a vector of the original element type, in
+ // the size of the target vector type.
+ SDValue SlicedVec = DAG.getNode(ISD::BITCAST, dl, WideVecVT, Res);
+ unsigned SizeRatio = RegSz / MemSz;
+
+ if (Ext == ISD::SEXTLOAD) {
+ // If we have SSE4.1 we can directly emit a VSEXT node.
+ if (Subtarget->hasSSE41()) {
+ SDValue Sext = DAG.getNode(X86ISD::VSEXT, dl, RegVT, SlicedVec);
+ DAG.ReplaceAllUsesOfValueWith(SDValue(Ld, 1), TF);
+ return Sext;
+ }
+
+ // Otherwise we'll shuffle the small elements in the high bits of the
+ // larger type and perform an arithmetic shift. If the shift is not legal
+ // it's better to scalarize.
+ assert(TLI.isOperationLegalOrCustom(ISD::SRA, RegVT) &&
+ "We can't implement an sext load without a arithmetic right shift!");
+
+ // Redistribute the loaded elements into the different locations.
+ SmallVector<int, 8> ShuffleVec(NumElems * SizeRatio, -1);
+ for (unsigned i = 0; i != NumElems; ++i)
+ ShuffleVec[i * SizeRatio + SizeRatio - 1] = i;
+
+ SDValue Shuff = DAG.getVectorShuffle(
+ WideVecVT, dl, SlicedVec, DAG.getUNDEF(WideVecVT), &ShuffleVec[0]);
+
+ Shuff = DAG.getNode(ISD::BITCAST, dl, RegVT, Shuff);
+
+ // Build the arithmetic shift.
+ unsigned Amt = RegVT.getVectorElementType().getSizeInBits() -
+ MemVT.getVectorElementType().getSizeInBits();
+ Shuff =
+ DAG.getNode(ISD::SRA, dl, RegVT, Shuff, DAG.getConstant(Amt, RegVT));
+
+ DAG.ReplaceAllUsesOfValueWith(SDValue(Ld, 1), TF);
+ return Shuff;
+ }
+
+ // Redistribute the loaded elements into the different locations.
+ SmallVector<int, 8> ShuffleVec(NumElems * SizeRatio, -1);
+ for (unsigned i = 0; i != NumElems; ++i)
+ ShuffleVec[i * SizeRatio] = i;
+
+ SDValue Shuff = DAG.getVectorShuffle(WideVecVT, dl, SlicedVec,
+ DAG.getUNDEF(WideVecVT), &ShuffleVec[0]);
+
+ // Bitcast to the requested type.
+ Shuff = DAG.getNode(ISD::BITCAST, dl, RegVT, Shuff);
+ DAG.ReplaceAllUsesOfValueWith(SDValue(Ld, 1), TF);
+ return Shuff;
+}
+
// isAndOrOfSingleUseSetCCs - Return true if node is an ISD::AND or
// ISD::OR of two X86ISD::SETCC nodes each of which has no other use apart
// from the AND / OR.
case ISD::FP_TO_SINT: return LowerFP_TO_SINT(Op, DAG);
case ISD::FP_TO_UINT: return LowerFP_TO_UINT(Op, DAG);
case ISD::FP_EXTEND: return LowerFP_EXTEND(Op, DAG);
+ case ISD::LOAD: return LowerExtendedLoad(Op, Subtarget, DAG);
case ISD::FABS: return LowerFABS(Op, DAG);
case ISD::FNEG: return LowerFNEG(Op, DAG);
case ISD::FCOPYSIGN: return LowerFCOPYSIGN(Op, DAG);
EVT MemVT = Ld->getMemoryVT();
SDLoc dl(Ld);
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
- unsigned RegSz = RegVT.getSizeInBits();
// On Sandybridge unaligned 256bit loads are inefficient.
ISD::LoadExtType Ext = Ld->getExtensionType();
return DCI.CombineTo(N, NewVec, TF, true);
}
- // If this is a vector EXT Load then attempt to optimize it using a
- // shuffle. If SSSE3 is not available we may emit an illegal shuffle but the
- // expansion is still better than scalar code.
- // We generate X86ISD::VSEXT for SEXTLOADs if it's available, otherwise we'll
- // emit a shuffle and a arithmetic shift.
- // TODO: It is possible to support ZExt by zeroing the undef values
- // during the shuffle phase or after the shuffle.
- if (RegVT.isVector() && RegVT.isInteger() && Subtarget->hasSSE2() &&
- (Ext == ISD::EXTLOAD || Ext == ISD::SEXTLOAD)) {
- assert(MemVT != RegVT && "Cannot extend to the same type");
- assert(MemVT.isVector() && "Must load a vector from memory");
-
- unsigned NumElems = RegVT.getVectorNumElements();
- unsigned MemSz = MemVT.getSizeInBits();
- assert(RegSz > MemSz && "Register size must be greater than the mem size");
-
- if (Ext == ISD::SEXTLOAD && RegSz == 256 && !Subtarget->hasInt256())
- return SDValue();
-
- // All sizes must be a power of two.
- if (!isPowerOf2_32(RegSz * MemSz * NumElems))
- return SDValue();
-
- // Attempt to load the original value using scalar loads.
- // Find the largest scalar type that divides the total loaded size.
- MVT SclrLoadTy = MVT::i8;
- for (unsigned tp = MVT::FIRST_INTEGER_VALUETYPE;
- tp < MVT::LAST_INTEGER_VALUETYPE; ++tp) {
- MVT Tp = (MVT::SimpleValueType)tp;
- if (TLI.isTypeLegal(Tp) && ((MemSz % Tp.getSizeInBits()) == 0)) {
- SclrLoadTy = Tp;
- }
- }
-
- // On 32bit systems, we can't save 64bit integers. Try bitcasting to F64.
- if (TLI.isTypeLegal(MVT::f64) && SclrLoadTy.getSizeInBits() < 64 &&
- (64 <= MemSz))
- SclrLoadTy = MVT::f64;
-
- // Calculate the number of scalar loads that we need to perform
- // in order to load our vector from memory.
- unsigned NumLoads = MemSz / SclrLoadTy.getSizeInBits();
- if (Ext == ISD::SEXTLOAD && NumLoads > 1)
- return SDValue();
-
- unsigned loadRegZize = RegSz;
- if (Ext == ISD::SEXTLOAD && RegSz == 256)
- loadRegZize /= 2;
-
- // Represent our vector as a sequence of elements which are the
- // largest scalar that we can load.
- EVT LoadUnitVecVT = EVT::getVectorVT(*DAG.getContext(), SclrLoadTy,
- loadRegZize/SclrLoadTy.getSizeInBits());
-
- // Represent the data using the same element type that is stored in
- // memory. In practice, we ''widen'' MemVT.
- EVT WideVecVT =
- EVT::getVectorVT(*DAG.getContext(), MemVT.getScalarType(),
- loadRegZize/MemVT.getScalarType().getSizeInBits());
-
- assert(WideVecVT.getSizeInBits() == LoadUnitVecVT.getSizeInBits() &&
- "Invalid vector type");
-
- // We can't shuffle using an illegal type.
- if (!TLI.isTypeLegal(WideVecVT))
- return SDValue();
-
- SmallVector<SDValue, 8> Chains;
- SDValue Ptr = Ld->getBasePtr();
- SDValue Increment = DAG.getConstant(SclrLoadTy.getSizeInBits()/8,
- TLI.getPointerTy());
- SDValue Res = DAG.getUNDEF(LoadUnitVecVT);
-
- for (unsigned i = 0; i < NumLoads; ++i) {
- // Perform a single load.
- SDValue ScalarLoad = DAG.getLoad(SclrLoadTy, dl, Ld->getChain(),
- Ptr, Ld->getPointerInfo(),
- Ld->isVolatile(), Ld->isNonTemporal(),
- Ld->isInvariant(), Ld->getAlignment());
- Chains.push_back(ScalarLoad.getValue(1));
- // Create the first element type using SCALAR_TO_VECTOR in order to avoid
- // another round of DAGCombining.
- if (i == 0)
- Res = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, LoadUnitVecVT, ScalarLoad);
- else
- Res = DAG.getNode(ISD::INSERT_VECTOR_ELT, dl, LoadUnitVecVT, Res,
- ScalarLoad, DAG.getIntPtrConstant(i));
-
- Ptr = DAG.getNode(ISD::ADD, dl, Ptr.getValueType(), Ptr, Increment);
- }
-
- SDValue TF = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, Chains);
-
- // Bitcast the loaded value to a vector of the original element type, in
- // the size of the target vector type.
- SDValue SlicedVec = DAG.getNode(ISD::BITCAST, dl, WideVecVT, Res);
- unsigned SizeRatio = RegSz/MemSz;
-
- if (Ext == ISD::SEXTLOAD) {
- // If we have SSE4.1 we can directly emit a VSEXT node.
- if (Subtarget->hasSSE41()) {
- SDValue Sext = DAG.getNode(X86ISD::VSEXT, dl, RegVT, SlicedVec);
- return DCI.CombineTo(N, Sext, TF, true);
- }
-
- // Otherwise we'll shuffle the small elements in the high bits of the
- // larger type and perform an arithmetic shift. If the shift is not legal
- // it's better to scalarize.
- if (!TLI.isOperationLegalOrCustom(ISD::SRA, RegVT))
- return SDValue();
-
- // Redistribute the loaded elements into the different locations.
- SmallVector<int, 8> ShuffleVec(NumElems * SizeRatio, -1);
- for (unsigned i = 0; i != NumElems; ++i)
- ShuffleVec[i*SizeRatio + SizeRatio-1] = i;
-
- SDValue Shuff = DAG.getVectorShuffle(WideVecVT, dl, SlicedVec,
- DAG.getUNDEF(WideVecVT),
- &ShuffleVec[0]);
-
- Shuff = DAG.getNode(ISD::BITCAST, dl, RegVT, Shuff);
-
- // Build the arithmetic shift.
- unsigned Amt = RegVT.getVectorElementType().getSizeInBits() -
- MemVT.getVectorElementType().getSizeInBits();
- Shuff = DAG.getNode(ISD::SRA, dl, RegVT, Shuff,
- DAG.getConstant(Amt, RegVT));
-
- return DCI.CombineTo(N, Shuff, TF, true);
- }
-
- // Redistribute the loaded elements into the different locations.
- SmallVector<int, 8> ShuffleVec(NumElems * SizeRatio, -1);
- for (unsigned i = 0; i != NumElems; ++i)
- ShuffleVec[i*SizeRatio] = i;
-
- SDValue Shuff = DAG.getVectorShuffle(WideVecVT, dl, SlicedVec,
- DAG.getUNDEF(WideVecVT),
- &ShuffleVec[0]);
-
- // Bitcast to the requested type.
- Shuff = DAG.getNode(ISD::BITCAST, dl, RegVT, Shuff);
- // Replace the original load with the new sequence
- // and return the new chain.
- return DCI.CombineTo(N, Shuff, TF, true);
- }
-
return SDValue();
}
; CHECK-LABEL: add3i16:
; CHECK: pmovzxwd (%{{.*}}), %[[R0:xmm[0-9]+]]
; CHECK-NEXT: pmovzxwd (%{{.*}}), %[[R1:xmm[0-9]+]]
-; CHECK-NEXT: paddd %[[R0]], %[[R1]]
-; CHECK-NEXT: movdqa %[[R1]], %[[R0]]
-; CHECK-NEXT: pshufb {{.*}}, %[[R0]]
-; CHECK-NEXT: movd %[[R0]], %r[[R3:[abcd]]]x
-; CHECK-NEXT: movd %r[[R3]]x, %[[R0]]
-; CHECK-NEXT: pextrw $4, %[[R1]], 4(%{{.*}})
-; CHECK-NEXT: movd %[[R0]], (%{{.*}})
+; CHECK-NEXT: paddd %[[R0]], %[[R1]]
+; CHECK-NEXT: movdqa %[[R1]], %[[R0]]
+; CHECK-NEXT: pshufb {{.*}}, %[[R0]]
+; CHECK-NEXT: pmovzxdq %[[R0]], %[[R0]]
+; CHECK-NEXT: pextrw $4, %[[R1]], 4(%{{.*}})
+; CHECK-NEXT: movd %[[R0]], (%{{.*}})
%a = load %i16vec3* %ap, align 16
%b = load %i16vec3* %bp, align 16
%x = add %i16vec3 %a, %b
; CHECK-LABEL: add3i8:
; CHECK: pmovzxbd (%{{.*}}), %[[R0:xmm[0-9]+]]
; CHECK-NEXT: pmovzxbd (%{{.*}}), %[[R1:xmm[0-9]+]]
-; CHECK-NEXT: paddd %[[R0]], %[[R1]]
-; CHECK-NEXT: movdqa %[[R1]], %[[R0]]
-; CHECK-NEXT: pshufb {{.*}}, %[[R0]]
-; CHECK-NEXT: movd %[[R0]], %e[[R3:[abcd]]]x
-; CHECK-NEXT: pextrb $8, %[[R1]], 2(%{{.*}})
-; CHECK-NEXT: movw %[[R3]]x, (%{{.*}})
+; CHECK-NEXT: paddd %[[R0]], %[[R1]]
+; CHECK-NEXT: movdqa %[[R1]], %[[R0]]
+; CHECK-NEXT: pshufb {{.*}}, %[[R0]]
+; CHECK-NEXT: pmovzxwq %[[R0]], %[[R0]]
+; CHECK-NEXT: pextrb $8, %[[R1]], 2(%{{.*}})
+; CHECK-NEXT: movd %[[R0]], %e[[R2:[abcd]]]x
+; CHECK-NEXT: movw %[[R2]]x, (%{{.*}})
%a = load %i8vec3* %ap, align 16
%b = load %i8vec3* %bp, align 16
%x = add %i8vec3 %a, %b
; CHECK: movdqa {{.*}}, %[[CONSTANT0:xmm[0-9]+]]
; CHECK-NEXT: movdqa {{.*}}, %[[SHUFFLE_MASK:xmm[0-9]+]]
; CHECK-NEXT: pshufb %[[SHUFFLE_MASK]], %[[CONSTANT0]]
+; CHECK-NEXT: pmovzxwq %[[CONSTANT0]], %[[CONSTANT0]]
; CHECK-NEXT: movd %[[CONSTANT0]], %e[[R0:[abcd]]]x
; CHECK-NEXT: movw %[[R0]]x, (%[[PTR0:.*]])
; CHECK-NEXT: movb $-98, 2(%[[PTR0]])
; CHECK-NEXT: movdqa {{.*}}, %[[CONSTANT1:xmm[0-9]+]]
; CHECK-NEXT: pshufb %[[SHUFFLE_MASK]], %[[CONSTANT1]]
+; CHECK-NEXT: pmovzxwq %[[CONSTANT1]], %[[CONSTANT1]]
; CHECK-NEXT: movd %[[CONSTANT1]], %e[[R1:[abcd]]]x
; CHECK-NEXT: movw %[[R1]]x, (%[[PTR1:.*]])
; CHECK-NEXT: movb $1, 2(%[[PTR1]])
; CHECK-NEXT: pinsrd $3, %e[[R0]]x, %[[X1]]
; CHECK-NEXT: movdqa %[[X1]], %[[X2:xmm[0-9]+]]
; CHECK-NEXT: pshufb %[[SHUFFLE_MASK]], %[[X2]]
-; CHECK-NEXT: movd %[[X2]], %e[[R0:[abcd]]]x
+; CHECK-NEXT: pmovzxwq %[[X2]], %[[X3:xmm[0-9]+]]
; CHECK-NEXT: pextrb $8, %[[X1]], 2(%{{.*}})
+; CHECK-NEXT: movd %[[X3]], %e[[R0:[abcd]]]x
; CHECK-NEXT: movw %[[R0]]x, (%{{.*}})
entry: