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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp137
1 files changed, 75 insertions, 62 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 5c17d1d746..d279e04729 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -169,8 +169,8 @@ static TargetLoweringObjectFile *createTLOF(X86TargetMachine &TM) {
X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
: TargetLowering(TM, createTLOF(TM)) {
Subtarget = &TM.getSubtarget<X86Subtarget>();
- X86ScalarSSEf64 = Subtarget->hasXMMInt() || Subtarget->hasAVX();
- X86ScalarSSEf32 = Subtarget->hasXMM() || Subtarget->hasAVX();
+ X86ScalarSSEf64 = Subtarget->hasXMMInt();
+ X86ScalarSSEf32 = Subtarget->hasXMM();
X86StackPtr = Subtarget->is64Bit() ? X86::RSP : X86::ESP;
RegInfo = TM.getRegisterInfo();
@@ -315,7 +315,8 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
setOperationAction(ISD::FP_TO_UINT , MVT::i64 , Expand);
setOperationAction(ISD::FP_TO_UINT , MVT::i32 , Promote);
} else if (!UseSoftFloat) {
- if (X86ScalarSSEf32 && !Subtarget->hasSSE3())
+ // Since AVX is a superset of SSE3, only check for SSE here.
+ if (Subtarget->hasSSE1() && !Subtarget->hasSSE3())
// Expand FP_TO_UINT into a select.
// FIXME: We would like to use a Custom expander here eventually to do
// the optimal thing for SSE vs. the default expansion in the legalizer.
@@ -944,7 +945,7 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
}
}
- if (Subtarget->hasSSE2() || Subtarget->hasAVX()) {
+ if (Subtarget->hasXMMInt()) {
setOperationAction(ISD::SRL, MVT::v2i64, Custom);
setOperationAction(ISD::SRL, MVT::v4i32, Custom);
setOperationAction(ISD::SRL, MVT::v16i8, Custom);
@@ -1239,9 +1240,12 @@ X86TargetLowering::getOptimalMemOpType(uint64_t Size,
((DstAlign == 0 || DstAlign >= 16) &&
(SrcAlign == 0 || SrcAlign >= 16))) &&
Subtarget->getStackAlignment() >= 16) {
- if (Subtarget->hasSSE2())
+ if (Subtarget->hasAVX() &&
+ Subtarget->getStackAlignment() >= 32)
+ return MVT::v8f32;
+ if (Subtarget->hasXMMInt())
return MVT::v4i32;
- if (Subtarget->hasSSE1())
+ if (Subtarget->hasXMM())
return MVT::v4f32;
} else if (!MemcpyStrSrc && Size >= 8 &&
!Subtarget->is64Bit() &&
@@ -1444,7 +1448,7 @@ X86TargetLowering::LowerReturn(SDValue Chain,
ValToCopy);
// If we don't have SSE2 available, convert to v4f32 so the generated
// register is legal.
- if (!Subtarget->hasSSE2())
+ if (!Subtarget->hasXMMInt())
ValToCopy = DAG.getNode(ISD::BITCAST, dl, MVT::v4f32,ValToCopy);
}
}
@@ -3174,13 +3178,13 @@ bool X86::isPSHUFLWMask(ShuffleVectorSDNode *N) {
/// isPALIGNRMask - Return true if the node specifies a shuffle of elements that
/// is suitable for input to PALIGNR.
static bool isPALIGNRMask(const SmallVectorImpl<int> &Mask, EVT VT,
- bool hasSSSE3) {
+ bool hasSSSE3OrAVX) {
int i, e = VT.getVectorNumElements();
if (VT.getSizeInBits() != 128 && VT.getSizeInBits() != 64)
return false;
// Do not handle v2i64 / v2f64 shuffles with palignr.
- if (e < 4 || !hasSSSE3)
+ if (e < 4 || !hasSSSE3OrAVX)
return false;
for (i = 0; i != e; ++i)
@@ -4282,7 +4286,7 @@ static bool isZeroShuffle(ShuffleVectorSDNode *N) {
/// getZeroVector - Returns a vector of specified type with all zero elements.
///
-static SDValue getZeroVector(EVT VT, bool HasSSE2, SelectionDAG &DAG,
+static SDValue getZeroVector(EVT VT, bool HasXMMInt, SelectionDAG &DAG,
DebugLoc dl) {
assert(VT.isVector() && "Expected a vector type");
@@ -4290,7 +4294,7 @@ static SDValue getZeroVector(EVT VT, bool HasSSE2, SelectionDAG &DAG,
// to their dest type. This ensures they get CSE'd.
SDValue Vec;
if (VT.getSizeInBits() == 128) { // SSE
- if (HasSSE2) { // SSE2
+ if (HasXMMInt) { // SSE2
SDValue Cst = DAG.getTargetConstant(0, MVT::i32);
Vec = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, Cst, Cst, Cst, Cst);
} else { // SSE1
@@ -4486,11 +4490,11 @@ static SDValue PromoteSplat(ShuffleVectorSDNode *SV, SelectionDAG &DAG) {
/// element of V2 is swizzled into the zero/undef vector, landing at element
/// Idx. This produces a shuffle mask like 4,1,2,3 (idx=0) or 0,1,2,4 (idx=3).
static SDValue getShuffleVectorZeroOrUndef(SDValue V2, unsigned Idx,
- bool isZero, bool HasSSE2,
- SelectionDAG &DAG) {
+ bool isZero, bool HasXMMInt,
+ SelectionDAG &DAG) {
EVT VT = V2.getValueType();
SDValue V1 = isZero
- ? getZeroVector(VT, HasSSE2, DAG, V2.getDebugLoc()) : DAG.getUNDEF(VT);
+ ? getZeroVector(VT, HasXMMInt, DAG, V2.getDebugLoc()) : DAG.getUNDEF(VT);
unsigned NumElems = VT.getVectorNumElements();
SmallVector<int, 16> MaskVec;
for (unsigned i = 0; i != NumElems; ++i)
@@ -4777,6 +4781,11 @@ static bool isVectorShiftLeft(ShuffleVectorSDNode *SVOp, SelectionDAG &DAG,
/// logical left or right shift of a vector.
static bool isVectorShift(ShuffleVectorSDNode *SVOp, SelectionDAG &DAG,
bool &isLeft, SDValue &ShVal, unsigned &ShAmt) {
+ // Although the logic below support any bitwidth size, there are no
+ // shift instructions which handle more than 128-bit vectors.
+ if (SVOp->getValueType(0).getSizeInBits() > 128)
+ return false;
+
if (isVectorShiftLeft(SVOp, DAG, isLeft, ShVal, ShAmt) ||
isVectorShiftRight(SVOp, DAG, isLeft, ShVal, ShAmt))
return true;
@@ -4867,6 +4876,7 @@ static SDValue LowerBuildVectorv8i16(SDValue Op, unsigned NonZeros,
static SDValue getVShift(bool isLeft, EVT VT, SDValue SrcOp,
unsigned NumBits, SelectionDAG &DAG,
const TargetLowering &TLI, DebugLoc dl) {
+ assert(VT.getSizeInBits() == 128 && "Unknown type for VShift");
EVT ShVT = MVT::v2i64;
unsigned Opc = isLeft ? X86ISD::VSHL : X86ISD::VSRL;
SrcOp = DAG.getNode(ISD::BITCAST, dl, ShVT, SrcOp);
@@ -5041,7 +5051,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
Op.getValueType() == MVT::v8i32)
return Op;
- return getZeroVector(Op.getValueType(), Subtarget->hasSSE2(), DAG, dl);
+ return getZeroVector(Op.getValueType(), Subtarget->hasXMMInt(), DAG, dl);
}
// Vectors containing all ones can be matched by pcmpeqd on 128-bit width
@@ -5103,7 +5113,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
Item = DAG.getNode(ISD::TRUNCATE, dl, MVT::i32, Item);
Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VecVT, Item);
Item = getShuffleVectorZeroOrUndef(Item, 0, true,
- Subtarget->hasSSE2(), DAG);
+ Subtarget->hasXMMInt(), DAG);
// Now we have our 32-bit value zero extended in the low element of
// a vector. If Idx != 0, swizzle it into place.
@@ -5131,7 +5141,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
(ExtVT == MVT::i64 && Subtarget->is64Bit())) {
Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT, Item);
// Turn it into a MOVL (i.e. movss, movsd, or movd) to a zero vector.
- return getShuffleVectorZeroOrUndef(Item, 0, true, Subtarget->hasSSE2(),
+ return getShuffleVectorZeroOrUndef(Item, 0, true,Subtarget->hasXMMInt(),
DAG);
} else if (ExtVT == MVT::i16 || ExtVT == MVT::i8) {
Item = DAG.getNode(ISD::ZERO_EXTEND, dl, MVT::i32, Item);
@@ -5139,7 +5149,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
EVT MiddleVT = MVT::v4i32;
Item = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, MiddleVT, Item);
Item = getShuffleVectorZeroOrUndef(Item, 0, true,
- Subtarget->hasSSE2(), DAG);
+ Subtarget->hasXMMInt(), DAG);
return DAG.getNode(ISD::BITCAST, dl, VT, Item);
}
}
@@ -5168,7 +5178,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
// Turn it into a shuffle of zero and zero-extended scalar to vector.
Item = getShuffleVectorZeroOrUndef(Item, 0, NumZero > 0,
- Subtarget->hasSSE2(), DAG);
+ Subtarget->hasXMMInt(), DAG);
SmallVector<int, 8> MaskVec;
for (unsigned i = 0; i < NumElems; i++)
MaskVec.push_back(i == Idx ? 0 : 1);
@@ -5225,7 +5235,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
SDValue V2 = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT,
Op.getOperand(Idx));
return getShuffleVectorZeroOrUndef(V2, Idx, true,
- Subtarget->hasSSE2(), DAG);
+ Subtarget->hasXMMInt(), DAG);
}
return SDValue();
}
@@ -5250,7 +5260,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
for (unsigned i = 0; i < 4; ++i) {
bool isZero = !(NonZeros & (1 << i));
if (isZero)
- V[i] = getZeroVector(VT, Subtarget->hasSSE2(), DAG, dl);
+ V[i] = getZeroVector(VT, Subtarget->hasXMMInt(), DAG, dl);
else
V[i] = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT, Op.getOperand(i));
}
@@ -5294,7 +5304,7 @@ X86TargetLowering::LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG) const {
return LD;
// For SSE 4.1, use insertps to put the high elements into the low element.
- if (getSubtarget()->hasSSE41()) {
+ if (getSubtarget()->hasSSE41() || getSubtarget()->hasAVX()) {
SDValue Result;
if (Op.getOperand(0).getOpcode() != ISD::UNDEF)
Result = DAG.getNode(ISD::SCALAR_TO_VECTOR, dl, VT, Op.getOperand(0));
@@ -5465,7 +5475,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLEv8i16(SDValue Op,
// quads, disable the next transformation since it does not help SSSE3.
bool V1Used = InputQuads[0] || InputQuads[1];
bool V2Used = InputQuads[2] || InputQuads[3];
- if (Subtarget->hasSSSE3()) {
+ if (Subtarget->hasSSSE3() || Subtarget->hasAVX()) {
if (InputQuads.count() == 2 && V1Used && V2Used) {
BestLoQuad = InputQuads.find_first();
BestHiQuad = InputQuads.find_next(BestLoQuad);
@@ -5538,7 +5548,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLEv8i16(SDValue Op,
// If we have SSSE3, and all words of the result are from 1 input vector,
// case 2 is generated, otherwise case 3 is generated. If no SSSE3
// is present, fall back to case 4.
- if (Subtarget->hasSSSE3()) {
+ if (Subtarget->hasSSSE3() || Subtarget->hasAVX()) {
SmallVector<SDValue,16> pshufbMask;
// If we have elements from both input vectors, set the high bit of the
@@ -5606,7 +5616,8 @@ X86TargetLowering::LowerVECTOR_SHUFFLEv8i16(SDValue Op,
NewV = DAG.getVectorShuffle(MVT::v8i16, dl, NewV, DAG.getUNDEF(MVT::v8i16),
&MaskV[0]);
- if (NewV.getOpcode() == ISD::VECTOR_SHUFFLE && Subtarget->hasSSSE3())
+ if (NewV.getOpcode() == ISD::VECTOR_SHUFFLE &&
+ (Subtarget->hasSSSE3() || Subtarget->hasAVX()))
NewV = getTargetShuffleNode(X86ISD::PSHUFLW, dl, MVT::v8i16,
NewV.getOperand(0),
X86::getShufflePSHUFLWImmediate(NewV.getNode()),
@@ -5634,7 +5645,8 @@ X86TargetLowering::LowerVECTOR_SHUFFLEv8i16(SDValue Op,
NewV = DAG.getVectorShuffle(MVT::v8i16, dl, NewV, DAG.getUNDEF(MVT::v8i16),
&MaskV[0]);
- if (NewV.getOpcode() == ISD::VECTOR_SHUFFLE && Subtarget->hasSSSE3())
+ if (NewV.getOpcode() == ISD::VECTOR_SHUFFLE &&
+ (Subtarget->hasSSSE3() || Subtarget->hasAVX()))
NewV = getTargetShuffleNode(X86ISD::PSHUFHW, dl, MVT::v8i16,
NewV.getOperand(0),
X86::getShufflePSHUFHWImmediate(NewV.getNode()),
@@ -5700,7 +5712,7 @@ SDValue LowerVECTOR_SHUFFLEv16i8(ShuffleVectorSDNode *SVOp,
}
// If SSSE3, use 1 pshufb instruction per vector with elements in the result.
- if (TLI.getSubtarget()->hasSSSE3()) {
+ if (TLI.getSubtarget()->hasSSSE3() || TLI.getSubtarget()->hasAVX()) {
SmallVector<SDValue,16> pshufbMask;
// If all result elements are from one input vector, then only translate
@@ -6257,14 +6269,14 @@ SDValue getMOVDDup(SDValue &Op, DebugLoc &dl, SDValue V1, SelectionDAG &DAG) {
static
SDValue getMOVLowToHigh(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG,
- bool HasSSE2) {
+ bool HasXMMInt) {
SDValue V1 = Op.getOperand(0);
SDValue V2 = Op.getOperand(1);
EVT VT = Op.getValueType();
assert(VT != MVT::v2i64 && "unsupported shuffle type");
- if (HasSSE2 && VT == MVT::v2f64)
+ if (HasXMMInt && VT == MVT::v2f64)
return getTargetShuffleNode(X86ISD::MOVLHPD, dl, VT, V1, V2, DAG);
// v4f32 or v4i32: canonizalized to v4f32 (which is legal for SSE1)
@@ -6307,7 +6319,7 @@ static inline unsigned getSHUFPOpcode(EVT VT) {
}
static
-SDValue getMOVLP(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG, bool HasSSE2) {
+SDValue getMOVLP(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG, bool HasXMMInt) {
SDValue V1 = Op.getOperand(0);
SDValue V2 = Op.getOperand(1);
EVT VT = Op.getValueType();
@@ -6336,7 +6348,7 @@ SDValue getMOVLP(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG, bool HasSSE2) {
CanFoldLoad = false;
if (CanFoldLoad) {
- if (HasSSE2 && NumElems == 2)
+ if (HasXMMInt && NumElems == 2)
return getTargetShuffleNode(X86ISD::MOVLPD, dl, VT, V1, V2, DAG);
if (NumElems == 4)
@@ -6350,7 +6362,7 @@ SDValue getMOVLP(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG, bool HasSSE2) {
// this is horrible, but will stay like this until we move all shuffle
// matching to x86 specific nodes. Note that for the 1st condition all
// types are matched with movsd.
- if (HasSSE2) {
+ if (HasXMMInt) {
// FIXME: isMOVLMask should be checked and matched before getMOVLP,
// as to remove this logic from here, as much as possible
if (NumElems == 2 || !X86::isMOVLMask(SVOp))
@@ -6474,7 +6486,7 @@ SDValue NormalizeVectorShuffle(SDValue Op, SelectionDAG &DAG,
SDValue V2 = Op.getOperand(1);
if (isZeroShuffle(SVOp))
- return getZeroVector(VT, Subtarget->hasSSE2(), DAG, dl);
+ return getZeroVector(VT, Subtarget->hasXMMInt(), DAG, dl);
// Handle splat operations
if (SVOp->isSplat()) {
@@ -6506,7 +6518,8 @@ SDValue NormalizeVectorShuffle(SDValue Op, SelectionDAG &DAG,
SDValue NewOp = RewriteAsNarrowerShuffle(SVOp, DAG, dl);
if (NewOp.getNode())
return DAG.getNode(ISD::BITCAST, dl, VT, NewOp);
- } else if ((VT == MVT::v4i32 || (VT == MVT::v4f32 && Subtarget->hasSSE2()))) {
+ } else if ((VT == MVT::v4i32 ||
+ (VT == MVT::v4f32 && Subtarget->hasXMMInt()))) {
// FIXME: Figure out a cleaner way to do this.
// Try to make use of movq to zero out the top part.
if (ISD::isBuildVectorAllZeros(V2.getNode())) {
@@ -6539,9 +6552,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
bool V2IsUndef = V2.getOpcode() == ISD::UNDEF;
bool V1IsSplat = false;
bool V2IsSplat = false;
- bool HasSSE2 = Subtarget->hasSSE2() || Subtarget->hasAVX();
- bool HasSSE3 = Subtarget->hasSSE3() || Subtarget->hasAVX();
- bool HasSSSE3 = Subtarget->hasSSSE3() || Subtarget->hasAVX();
+ bool HasXMMInt = Subtarget->hasXMMInt();
MachineFunction &MF = DAG.getMachineFunction();
bool OptForSize = MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize);
@@ -6577,15 +6588,16 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
if (OptForSize && X86::isUNPCKH_v_undef_Mask(SVOp))
return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG);
- if (X86::isMOVDDUPMask(SVOp) && HasSSE3 && V2IsUndef &&
- RelaxedMayFoldVectorLoad(V1))
+ if (X86::isMOVDDUPMask(SVOp) &&
+ (Subtarget->hasSSE3() || Subtarget->hasAVX()) &&
+ V2IsUndef && RelaxedMayFoldVectorLoad(V1))
return getMOVDDup(Op, dl, V1, DAG);
if (X86::isMOVHLPS_v_undef_Mask(SVOp))
return getMOVHighToLow(Op, dl, DAG);
// Use to match splats
- if (HasSSE2 && X86::isUNPCKHMask(SVOp) && V2IsUndef &&
+ if (HasXMMInt && X86::isUNPCKHMask(SVOp) && V2IsUndef &&
(VT == MVT::v2f64 || VT == MVT::v2i64))
return getTargetShuffleNode(getUNPCKHOpcode(VT), dl, VT, V1, V1, DAG);
@@ -6598,7 +6610,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
unsigned TargetMask = X86::getShuffleSHUFImmediate(SVOp);
- if (HasSSE2 && (VT == MVT::v4f32 || VT == MVT::v4i32))
+ if (HasXMMInt && (VT == MVT::v4f32 || VT == MVT::v4i32))
return getTargetShuffleNode(X86ISD::PSHUFD, dl, VT, V1, TargetMask, DAG);
return getTargetShuffleNode(getSHUFPOpcode(VT), dl, VT, V1, V1,
@@ -6609,8 +6621,8 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
bool isLeft = false;
unsigned ShAmt = 0;
SDValue ShVal;
- bool isShift = getSubtarget()->hasSSE2() &&
- isVectorShift(SVOp, DAG, isLeft, ShVal, ShAmt);
+ bool isShift = getSubtarget()->hasXMMInt() &&
+ isVectorShift(SVOp, DAG, isLeft, ShVal, ShAmt);
if (isShift && ShVal.hasOneUse()) {
// If the shifted value has multiple uses, it may be cheaper to use
// v_set0 + movlhps or movhlps, etc.
@@ -6625,7 +6637,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
if (ISD::isBuildVectorAllZeros(V1.getNode()))
return getVZextMovL(VT, VT, V2, DAG, Subtarget, dl);
if (!X86::isMOVLPMask(SVOp)) {
- if (HasSSE2 && (VT == MVT::v2i64 || VT == MVT::v2f64))
+ if (HasXMMInt && (VT == MVT::v2i64 || VT == MVT::v2f64))
return getTargetShuffleNode(X86ISD::MOVSD, dl, VT, V1, V2, DAG);
if (VT == MVT::v4i32 || VT == MVT::v4f32)
@@ -6635,7 +6647,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
// FIXME: fold these into legal mask.
if (X86::isMOVLHPSMask(SVOp) && !X86::isUNPCKLMask(SVOp))
- return getMOVLowToHigh(Op, dl, DAG, HasSSE2);
+ return getMOVLowToHigh(Op, dl, DAG, HasXMMInt);
if (X86::isMOVHLPSMask(SVOp))
return getMOVHighToLow(Op, dl, DAG);
@@ -6647,7 +6659,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
return getTargetShuffleNode(X86ISD::MOVSLDUP, dl, VT, V1, DAG);
if (X86::isMOVLPMask(SVOp))
- return getMOVLP(Op, dl, DAG, HasSSE2);
+ return getMOVLP(Op, dl, DAG, HasXMMInt);
if (ShouldXformToMOVHLPS(SVOp) ||
ShouldXformToMOVLP(V1.getNode(), V2.getNode(), SVOp))
@@ -6731,7 +6743,7 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
SmallVector<int, 16> M;
SVOp->getMask(M);
- if (isPALIGNRMask(M, VT, HasSSSE3))
+ if (isPALIGNRMask(M, VT, Subtarget->hasSSSE3() || Subtarget->hasAVX()))
return getTargetShuffleNode(X86ISD::PALIGN, dl, VT, V1, V2,
X86::getShufflePALIGNRImmediate(SVOp),
DAG);
@@ -7758,7 +7770,8 @@ SDValue X86TargetLowering::LowerUINT_TO_FP_i32(SDValue Op,
Op.getOperand(0));
// Zero out the upper parts of the register.
- Load = getShuffleVectorZeroOrUndef(Load, 0, true, Subtarget->hasSSE2(), DAG);
+ Load = getShuffleVectorZeroOrUndef(Load, 0, true, Subtarget->hasXMMInt(),
+ DAG);
Load = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, dl, MVT::f64,
DAG.getNode(ISD::BITCAST, dl, MVT::v2f64, Load),
@@ -9837,7 +9850,7 @@ SDValue X86TargetLowering::LowerShift(SDValue Op, SelectionDAG &DAG) const {
SDValue Amt = Op.getOperand(1);
LLVMContext *Context = DAG.getContext();
- if (!(Subtarget->hasSSE2() || Subtarget->hasAVX()))
+ if (!Subtarget->hasXMMInt())
return SDValue();
// Decompose 256-bit shifts into smaller 128-bit shifts.
@@ -10078,7 +10091,7 @@ SDValue X86TargetLowering::LowerSIGN_EXTEND_INREG(SDValue Op, SelectionDAG &DAG)
SDNode* Node = Op.getNode();
EVT ExtraVT = cast<VTSDNode>(Node->getOperand(1))->getVT();
EVT VT = Node->getValueType(0);
- if (Subtarget->hasSSE2() && VT.isVector()) {
+ if (Subtarget->hasXMMInt() && VT.isVector()) {
unsigned BitsDiff = VT.getScalarType().getSizeInBits() -
ExtraVT.getScalarType().getSizeInBits();
SDValue ShAmt = DAG.getConstant(BitsDiff, MVT::i32);
@@ -10129,7 +10142,7 @@ SDValue X86TargetLowering::LowerMEMBARRIER(SDValue Op, SelectionDAG &DAG) const{
// Go ahead and emit the fence on x86-64 even if we asked for no-sse2.
// There isn't any reason to disable it if the target processor supports it.
- if (!Subtarget->hasSSE2() && !Subtarget->is64Bit()) {
+ if (!Subtarget->hasXMMInt() && !Subtarget->is64Bit()) {
SDValue Chain = Op.getOperand(0);
SDValue Zero = DAG.getConstant(0, MVT::i32);
SDValue Ops[] = {
@@ -10183,7 +10196,7 @@ SDValue X86TargetLowering::LowerATOMIC_FENCE(SDValue Op,
// Use mfence if we have SSE2 or we're on x86-64 (even if we asked for
// no-sse2). There isn't any reason to disable it if the target processor
// supports it.
- if (Subtarget->hasSSE2() || Subtarget->is64Bit())
+ if (Subtarget->hasXMMInt() || Subtarget->is64Bit())
return DAG.getNode(X86ISD::MFENCE, dl, MVT::Other, Op.getOperand(0));
SDValue Chain = Op.getOperand(0);
@@ -10263,7 +10276,7 @@ SDValue X86TargetLowering::LowerBITCAST(SDValue Op,
SelectionDAG &DAG) const {
EVT SrcVT = Op.getOperand(0).getValueType();
EVT DstVT = Op.getValueType();
- assert(Subtarget->is64Bit() && !Subtarget->hasSSE2() &&
+ assert(Subtarget->is64Bit() && !Subtarget->hasXMMInt() &&
Subtarget->hasMMX() && "Unexpected custom BITCAST");
assert((DstVT == MVT::i64 ||
(DstVT.isVector() && DstVT.getSizeInBits()==64)) &&
@@ -10820,7 +10833,7 @@ X86TargetLowering::isShuffleMaskLegal(const SmallVectorImpl<int> &M,
EVT VT) const {
// Very little shuffling can be done for 64-bit vectors right now.
if (VT.getSizeInBits() == 64)
- return isPALIGNRMask(M, VT, Subtarget->hasSSSE3());
+ return isPALIGNRMask(M, VT, Subtarget->hasSSSE3() || Subtarget->hasAVX());
// FIXME: pshufb, blends, shifts.
return (VT.getVectorNumElements() == 2 ||
@@ -10830,7 +10843,7 @@ X86TargetLowering::isShuffleMaskLegal(const SmallVectorImpl<int> &M,
isPSHUFDMask(M, VT) ||
isPSHUFHWMask(M, VT) ||
isPSHUFLWMask(M, VT) ||
- isPALIGNRMask(M, VT, Subtarget->hasSSSE3()) ||
+ isPALIGNRMask(M, VT, Subtarget->hasSSSE3() || Subtarget->hasAVX()) ||
isUNPCKLMask(M, VT) ||
isUNPCKHMask(M, VT) ||
isUNPCKL_v_undef_Mask(M, VT) ||
@@ -12394,7 +12407,7 @@ static SDValue PerformShuffleCombine256(SDNode *N, SelectionDAG &DAG,
// Emit a zeroed vector and insert the desired subvector on its
// first half.
- SDValue Zeros = getZeroVector(VT, true /* HasSSE2 */, DAG, dl);
+ SDValue Zeros = getZeroVector(VT, true /* HasXMMInt */, DAG, dl);
SDValue InsV = Insert128BitVector(Zeros, V1.getOperand(0),
DAG.getConstant(0, MVT::i32), DAG, dl);
return DCI.CombineTo(N, InsV);
@@ -12551,7 +12564,7 @@ static SDValue PerformSELECTCombine(SDNode *N, SelectionDAG &DAG,
// instructions match the semantics of the common C idiom x<y?x:y but not
// x<=y?x:y, because of how they handle negative zero (which can be
// ignored in unsafe-math mode).
- if (Subtarget->hasSSE2() &&
+ if (Subtarget->hasXMMInt() &&
(LHS.getValueType() == MVT::f32 || LHS.getValueType() == MVT::f64) &&
Cond.getOpcode() == ISD::SETCC) {
ISD::CondCode CC = cast<CondCodeSDNode>(Cond.getOperand(2))->get();
@@ -13009,7 +13022,7 @@ static SDValue PerformShiftCombine(SDNode* N, SelectionDAG &DAG,
// all elements are shifted by the same amount. We can't do this in legalize
// because the a constant vector is typically transformed to a constant pool
// so we have no knowledge of the shift amount.
- if (!(Subtarget->hasSSE2() || Subtarget->hasAVX()))
+ if (!Subtarget->hasXMMInt())
return SDValue();
if (VT != MVT::v2i64 && VT != MVT::v4i32 && VT != MVT::v8i16)
@@ -13125,7 +13138,7 @@ static SDValue CMPEQCombine(SDNode *N, SelectionDAG &DAG,
// SSE1 supports CMP{eq|ne}SS, and SSE2 added CMP{eq|ne}SD, but
// we're requiring SSE2 for both.
- if (Subtarget->hasSSE2() && isAndOrOfSetCCs(SDValue(N, 0U), opcode)) {
+ if (Subtarget->hasXMMInt() && isAndOrOfSetCCs(SDValue(N, 0U), opcode)) {
SDValue N0 = N->getOperand(0);
SDValue N1 = N->getOperand(1);
SDValue CMP0 = N0->getOperand(1);
@@ -13278,7 +13291,7 @@ static SDValue PerformOrCombine(SDNode *N, SelectionDAG &DAG,
SDValue N1 = N->getOperand(1);
// look for psign/blend
- if (Subtarget->hasSSSE3()) {
+ if (Subtarget->hasSSSE3() || Subtarget->hasAVX()) {
if (VT == MVT::v2i64) {
// Canonicalize pandn to RHS
if (N0.getOpcode() == X86ISD::ANDNP)
@@ -13351,7 +13364,7 @@ static SDValue PerformOrCombine(SDNode *N, SelectionDAG &DAG,
}
}
// PBLENDVB only available on SSE 4.1
- if (!Subtarget->hasSSE41())
+ if (!(Subtarget->hasSSE41() || Subtarget->hasAVX()))
return SDValue();
X = DAG.getNode(ISD::BITCAST, DL, MVT::v16i8, X);
@@ -13538,7 +13551,7 @@ static SDValue PerformSTORECombine(SDNode *N, SelectionDAG &DAG,
const Function *F = DAG.getMachineFunction().getFunction();
bool NoImplicitFloatOps = F->hasFnAttr(Attribute::NoImplicitFloat);
bool F64IsLegal = !UseSoftFloat && !NoImplicitFloatOps
- && Subtarget->hasSSE2();
+ && Subtarget->hasXMMInt();
if ((VT.isVector() ||
(VT == MVT::i64 && F64IsLegal && !Subtarget->is64Bit())) &&
isa<LoadSDNode>(St->getValue()) &&
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 02:49:51 +0000