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Use MOVLHPS and MOVHLPS x86 nodes whenever possible. Also remove some useless nodes

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112642 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes 2010-08-31 21:15:21 +00:00
parent 26125c65b9
commit f2db5b48d0
4 changed files with 45 additions and 64 deletions
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39
lib/Target/X86/X86ISelLowering.cpp
View File

@ -2623,6 +2623,7 @@ static SDValue getTargetShuffleNode(unsigned Opc, DebugLoc dl, EVT VT,
switch(Opc) {
default: llvm_unreachable("Unknown x86 shuffle node");
case X86ISD::MOVLHPS:
case X86ISD::MOVLHPD:
case X86ISD::MOVSS:
case X86ISD::MOVSD:
case X86ISD::PUNPCKLDQ:
@ -5004,6 +5005,22 @@ LowerVECTOR_SHUFFLE_4wide(ShuffleVectorSDNode *SVOp, SelectionDAG &DAG) {
return DAG.getVectorShuffle(VT, dl, LoShuffle, HiShuffle, &MaskOps[0]);
}
static
SDValue getMOVLowToHigh(SDValue &Op, DebugLoc &dl, SelectionDAG &DAG,
bool HasSSE2) {
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)
return getTargetShuffleNode(X86ISD::MOVLHPD, dl, VT, V1, V2, DAG);
// v4f32 or v4i32
return getTargetShuffleNode(X86ISD::MOVLHPS, dl, VT, V1, V2, DAG);
}
SDValue
X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
ShuffleVectorSDNode *SVOp = cast<ShuffleVectorSDNode>(Op);
@ -5110,12 +5127,16 @@ X86TargetLowering::LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) const {
}
// FIXME: fold these into legal mask.
if (!isMMX && (X86::isMOVSHDUPMask(SVOp) ||
X86::isMOVSLDUPMask(SVOp) ||
X86::isMOVHLPSMask(SVOp) ||
X86::isMOVLHPSMask(SVOp) ||
X86::isMOVLPMask(SVOp)))
return Op;
if (!isMMX) {
if (X86::isMOVLHPSMask(SVOp) && !X86::isUNPCKLMask(SVOp))
return getMOVLowToHigh(Op, dl, DAG, HasSSE2);
if (X86::isMOVSHDUPMask(SVOp) ||
X86::isMOVSLDUPMask(SVOp) ||
X86::isMOVHLPSMask(SVOp) ||
X86::isMOVLPMask(SVOp))
return Op;
}
if (ShouldXformToMOVHLPS(SVOp) ||
ShouldXformToMOVLP(V1.getNode(), V2.getNode(), SVOp))
@ -8362,13 +8383,9 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
case X86ISD::SHUFPS: return "X86ISD::SHUFPS";
case X86ISD::SHUFPD: return "X86ISD::SHUFPD";
case X86ISD::MOVLHPS: return "X86ISD::MOVLHPS";
case X86ISD::MOVHLPS: return "X86ISD::MOVHLPS";
case X86ISD::MOVLHPD: return "X86ISD::MOVLHPD";
case X86ISD::MOVHLPS: return "X86ISD::MOVHLPS";
case X86ISD::MOVHLPD: return "X86ISD::MOVHLPD";
case X86ISD::MOVHPS: return "X86ISD::MOVHPS";
case X86ISD::MOVLPS: return "X86ISD::MOVLPS";
case X86ISD::MOVHPD: return "X86ISD::MOVHPD";
case X86ISD::MOVLPD: return "X86ISD::MOVLPD";
case X86ISD::MOVDDUP: return "X86ISD::MOVDDUP";
case X86ISD::MOVSHDUP: return "X86ISD::MOVSHDUP";
case X86ISD::MOVSLDUP: return "X86ISD::MOVSLDUP";

6
lib/Target/X86/X86ISelLowering.h
View File

@ -266,13 +266,9 @@ namespace llvm {
MOVSHDUP_LD,
MOVSLDUP_LD,
MOVLHPS,
MOVHLPS,
MOVLHPD,
MOVHLPS,
MOVHLPD,
MOVHPS,
MOVHPD,
MOVLPS,
MOVLPD,
MOVSD,
MOVSS,
UNPCKLPS,

7
lib/Target/X86/X86InstrFragmentsSIMD.td
View File

@ -166,14 +166,11 @@ def X86Movsd : SDNode<"X86ISD::MOVSD", SDTShuff2Op>;
def X86Movss : SDNode<"X86ISD::MOVSS", SDTShuff2Op>;
def X86Movlhps : SDNode<"X86ISD::MOVLHPS", SDTShuff2Op>;
def X86Movhlps : SDNode<"X86ISD::MOVHLPS", SDTShuff2Op>;
def X86Movlhpd : SDNode<"X86ISD::MOVLHPD", SDTShuff2Op>;
def X86Movhlps : SDNode<"X86ISD::MOVHLPS", SDTShuff2Op>;
def X86Movhlpd : SDNode<"X86ISD::MOVHLPD", SDTShuff2Op>;
def X86MovhpsLd : SDNode<"X86ISD::MOVHPS", SDTShuff2OpLd,
[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def X86MovhpdLd : SDNode<"X86ISD::MOVHPD", SDTShuff2OpLd,
[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def X86MovlpsLd : SDNode<"X86ISD::MOVLPS", SDTShuff2OpLd,
[SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def X86MovlpdLd : SDNode<"X86ISD::MOVLPD", SDTShuff2OpLd,

57
lib/Target/X86/X86InstrSSE.td
View File

@ -5664,22 +5664,6 @@ def : Pat<(v4i32 (X86Shufps VR128:$src1, VR128:$src2, (i8 imm:$imm))),
def : Pat<(v4i32 (X86Shufps VR128:$src1, VR128:$src2, (i8 imm:$imm))),
(SHUFPSrri VR128:$src1, VR128:$src2, imm:$imm)>;
// Shuffle with MOVLHPS instruction
def : Pat<(v4f32 (X86Movlhps VR128:$src1, VR128:$src2)),
(VMOVLHPSrr (v4f32 VR128:$src1), VR128:$src2)>, Requires<[HasAVX]>;
def : Pat<(v4f32 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr (v4f32 VR128:$src1), VR128:$src2)>;
def : Pat<(v2i64 (X86Movlhps VR128:$src1, VR128:$src2)),
(VMOVLHPSrr (v2i64 VR128:$src1), VR128:$src2)>, Requires<[HasAVX]>;
def : Pat<(v2i64 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr (v2i64 VR128:$src1), VR128:$src2)>;
def : Pat<(v4i32 (X86Movlhps VR128:$src1, VR128:$src2)),
(VMOVLHPSrr VR128:$src1, VR128:$src2)>, Requires<[HasAVX]>;
def : Pat<(v4i32 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr VR128:$src1, VR128:$src2)>;
// Shuffle with MOVHLPS instruction
def : Pat<(v4f32 (X86Movhlps VR128:$src1, VR128:$src2)),
(MOVHLPSrr VR128:$src1, VR128:$src2)>;
@ -5817,28 +5801,25 @@ def : Pat<(v2i64 (X86Punpckhqdq VR128:$src1, (memopv2i64 addr:$src2))),
def : Pat<(v2i64 (X86Punpckhqdq VR128:$src1, VR128:$src2)),
(PUNPCKHQDQrr VR128:$src1, VR128:$src2)>;
// Shuffle with MOVHPS
def : Pat<(v4f32 (X86MovhpsLd VR128:$src1, addr:$src2)),
// Shuffle with MOVLHPS
def : Pat<(X86Movlhps VR128:$src1,
(bc_v4f32 (v2f64 (scalar_to_vector (loadf64 addr:$src2))))),
(MOVHPSrm VR128:$src1, addr:$src2)>;
def : Pat<(v4i32 (X86MovhpsLd VR128:$src1, addr:$src2)),
def : Pat<(X86Movlhps VR128:$src1,
(bc_v4i32 (v2i64 (X86vzload addr:$src2)))),
(MOVHPSrm VR128:$src1, addr:$src2)>;
def : Pat<(v4f32 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr VR128:$src1, VR128:$src2)>;
def : Pat<(v4i32 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr VR128:$src1, VR128:$src2)>;
def : Pat<(v2i64 (X86Movlhps VR128:$src1, VR128:$src2)),
(MOVLHPSrr (v2i64 VR128:$src1), VR128:$src2)>;
// Shuffle with MOVHPD
def : Pat<(v2f64 (X86MovhpdLd VR128:$src1, addr:$src2)),
// Shuffle with MOVLHPD
def : Pat<(v2f64 (X86Movlhpd VR128:$src1,
(scalar_to_vector (loadf64 addr:$src2)))),
(MOVHPDrm VR128:$src1, addr:$src2)>;
// Shuffle with MOVLPS
def : Pat<(v4f32 (X86MovlpsLd VR128:$src1, addr:$src2)),
(MOVLPSrm VR128:$src1, addr:$src2)>;
def : Pat<(v4i32 (X86MovlpsLd VR128:$src1, addr:$src2)),
(MOVLPSrm VR128:$src1, addr:$src2)>;
// Shuffle with MOVLPD
def : Pat<(v2f64 (X86MovlpdLd VR128:$src1, addr:$src2)),
(MOVLPDrm VR128:$src1, addr:$src2)>;
def : Pat<(v2i64 (X86MovlpdLd VR128:$src1, addr:$src2)),
(MOVLPDrm VR128:$src1, addr:$src2)>;
// Shuffle with MOVSS
def : Pat<(v4f32 (X86Movss VR128:$src1, (scalar_to_vector FR32:$src2))),
(MOVSSrr VR128:$src1, FR32:$src2)>;
@ -5928,13 +5909,3 @@ def : Pat<(store (f64 (vector_extract
(v2f64 (X86Unpckhpd VR128:$src, (undef))), (iPTR 0))),addr:$dst),
(MOVHPDmr addr:$dst, VR128:$src)>;
def : Pat<(store (v2f64 (X86MovlpdLd VR128:$src1, addr:$src2)),addr:$src2),
(MOVLPDmr addr:$src2, VR128:$src1)>;
def : Pat<(store (v2i64 (X86MovlpdLd VR128:$src1, addr:$src2)),addr:$src2),
(MOVLPDmr addr:$src2, VR128:$src1)>;
def : Pat<(store (v4f32 (X86MovlpsLd VR128:$src1, addr:$src2)),addr:$src2),
(MOVLPSmr addr:$src2, VR128:$src1)>;
def : Pat<(store (v4i32 (X86MovlpsLd VR128:$src1, addr:$src2)),addr:$src2),
(MOVLPSmr addr:$src2, VR128:$src1)>;