diff options
-rw-r--r-- | lib/Target/ARM/ARMISelDAGToDAG.cpp | 58 | ||||
-rw-r--r-- | lib/Target/ARM/ARMInstrNEON.td | 16 | ||||
-rw-r--r-- | lib/Target/ARM/NEONPreAllocPass.cpp | 16 | ||||
-rw-r--r-- | test/CodeGen/ARM/vstlane.ll | 28 |
4 files changed, 105 insertions, 13 deletions
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp index 717826d..fd5aac9 100644 --- a/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -1967,18 +1967,58 @@ SDNode *ARMDAGToDAGISel::Select(SDValue Op) { SDValue MemAddr, MemUpdate, MemOpc; if (!SelectAddrMode6(Op, N->getOperand(2), MemAddr, MemUpdate, MemOpc)) return NULL; - switch (N->getOperand(3).getValueType().getSimpleVT().SimpleTy) { + VT = N->getOperand(3).getValueType(); + if (VT.is64BitVector()) { + switch (VT.getSimpleVT().SimpleTy) { + default: llvm_unreachable("unhandled vst3lane type"); + case MVT::v8i8: Opc = ARM::VST3LNd8; break; + case MVT::v4i16: Opc = ARM::VST3LNd16; break; + case MVT::v2f32: + case MVT::v2i32: Opc = ARM::VST3LNd32; break; + } + SDValue Chain = N->getOperand(0); + const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc, + N->getOperand(3), N->getOperand(4), + N->getOperand(5), N->getOperand(6), Chain }; + return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops, 8); + } + // Quad registers are handled by extracting subregs and then doing + // the store. + EVT RegVT; + unsigned Opc2 = 0; + switch (VT.getSimpleVT().SimpleTy) { default: llvm_unreachable("unhandled vst3lane type"); - case MVT::v8i8: Opc = ARM::VST3LNd8; break; - case MVT::v4i16: Opc = ARM::VST3LNd16; break; - case MVT::v2f32: - case MVT::v2i32: Opc = ARM::VST3LNd32; break; + case MVT::v8i16: + Opc = ARM::VST3LNq16a; + Opc2 = ARM::VST3LNq16b; + RegVT = MVT::v4i16; + break; + case MVT::v4f32: + Opc = ARM::VST3LNq32a; + Opc2 = ARM::VST3LNq32b; + RegVT = MVT::v2f32; + break; + case MVT::v4i32: + Opc = ARM::VST3LNq32a; + Opc2 = ARM::VST3LNq32b; + RegVT = MVT::v2i32; + break; } SDValue Chain = N->getOperand(0); - const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc, - N->getOperand(3), N->getOperand(4), - N->getOperand(5), N->getOperand(6), Chain }; - return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops, 8); + unsigned Lane = cast<ConstantSDNode>(N->getOperand(6))->getZExtValue(); + unsigned NumElts = RegVT.getVectorNumElements(); + int SubregIdx = (Lane < NumElts) ? ARM::DSUBREG_0 : ARM::DSUBREG_1; + + SDValue D0 = CurDAG->getTargetExtractSubreg(SubregIdx, dl, RegVT, + N->getOperand(3)); + SDValue D1 = CurDAG->getTargetExtractSubreg(SubregIdx, dl, RegVT, + N->getOperand(4)); + SDValue D2 = CurDAG->getTargetExtractSubreg(SubregIdx, dl, RegVT, + N->getOperand(5)); + const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc, D0, D1, D2, + getI32Imm(Lane % NumElts), Chain }; + return CurDAG->getMachineNode((Lane < NumElts) ? Opc : Opc2, + dl, MVT::Other, Ops, 8); } case Intrinsic::arm_neon_vst4lane: { diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td index 1f178f3..758e781 100644 --- a/lib/Target/ARM/ARMInstrNEON.td +++ b/lib/Target/ARM/ARMInstrNEON.td @@ -469,16 +469,24 @@ def VST2LNq16b: VST2LN<0b0100, "vst2.16">; def VST2LNq32b: VST2LN<0b1000, "vst2.32">; // VST3LN : Vector Store (single 3-element structure from one lane) -class VST3LND<bits<4> op11_8, string OpcodeStr> +class VST3LN<bits<4> op11_8, string OpcodeStr> : NLdSt<1,0b00,op11_8,0b0000, (outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3, nohash_imm:$lane), IIC_VST, !strconcat(OpcodeStr, "\t\\{$src1[$lane],$src2[$lane],$src3[$lane]\\}, $addr"), "", []>; -def VST3LNd8 : VST3LND<0b0010, "vst3.8">; -def VST3LNd16 : VST3LND<0b0110, "vst3.16">; -def VST3LNd32 : VST3LND<0b1010, "vst3.32">; +def VST3LNd8 : VST3LN<0b0010, "vst3.8">; +def VST3LNd16 : VST3LN<0b0110, "vst3.16">; +def VST3LNd32 : VST3LN<0b1010, "vst3.32">; + +// vst3 to double-spaced even registers. +def VST3LNq16a: VST3LN<0b0110, "vst3.16">; +def VST3LNq32a: VST3LN<0b1010, "vst3.32">; + +// vst3 to double-spaced odd registers. +def VST3LNq16b: VST3LN<0b0110, "vst3.16">; +def VST3LNq32b: VST3LN<0b1010, "vst3.32">; // VST4LN : Vector Store (single 4-element structure from one lane) class VST4LND<bits<4> op11_8, string OpcodeStr> diff --git a/lib/Target/ARM/NEONPreAllocPass.cpp b/lib/Target/ARM/NEONPreAllocPass.cpp index b8475ff..4c3a8df 100644 --- a/lib/Target/ARM/NEONPreAllocPass.cpp +++ b/lib/Target/ARM/NEONPreAllocPass.cpp @@ -233,6 +233,22 @@ static bool isNEONMultiRegOp(int Opcode, unsigned &FirstOpnd, unsigned &NumRegs, Stride = 2; return true; + case ARM::VST3LNq16a: + case ARM::VST3LNq32a: + FirstOpnd = 3; + NumRegs = 3; + Offset = 0; + Stride = 2; + return true; + + case ARM::VST3LNq16b: + case ARM::VST3LNq32b: + FirstOpnd = 3; + NumRegs = 3; + Offset = 1; + Stride = 2; + return true; + case ARM::VST4d8: case ARM::VST4d16: case ARM::VST4d32: diff --git a/test/CodeGen/ARM/vstlane.ll b/test/CodeGen/ARM/vstlane.ll index 715f88d..1906705 100644 --- a/test/CodeGen/ARM/vstlane.ll +++ b/test/CodeGen/ARM/vstlane.ll @@ -97,11 +97,39 @@ define void @vst3lanef(float* %A, <2 x float>* %B) nounwind { ret void } +define void @vst3laneQi16(i16* %A, <8 x i16>* %B) nounwind { +;CHECK: vst3laneQi16: +;CHECK: vst3.16 + %tmp1 = load <8 x i16>* %B + call void @llvm.arm.neon.vst3lane.v8i16(i16* %A, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 6) + ret void +} + +define void @vst3laneQi32(i32* %A, <4 x i32>* %B) nounwind { +;CHECK: vst3laneQi32: +;CHECK: vst3.32 + %tmp1 = load <4 x i32>* %B + call void @llvm.arm.neon.vst3lane.v4i32(i32* %A, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 0) + ret void +} + +define void @vst3laneQf(float* %A, <4 x float>* %B) nounwind { +;CHECK: vst3laneQf: +;CHECK: vst3.32 + %tmp1 = load <4 x float>* %B + call void @llvm.arm.neon.vst3lane.v4f32(float* %A, <4 x float> %tmp1, <4 x float> %tmp1, <4 x float> %tmp1, i32 1) + ret void +} + declare void @llvm.arm.neon.vst3lane.v8i8(i8*, <8 x i8>, <8 x i8>, <8 x i8>, i32) nounwind declare void @llvm.arm.neon.vst3lane.v4i16(i8*, <4 x i16>, <4 x i16>, <4 x i16>, i32) nounwind declare void @llvm.arm.neon.vst3lane.v2i32(i8*, <2 x i32>, <2 x i32>, <2 x i32>, i32) nounwind declare void @llvm.arm.neon.vst3lane.v2f32(i8*, <2 x float>, <2 x float>, <2 x float>, i32) nounwind +declare void @llvm.arm.neon.vst3lane.v8i16(i8*, <8 x i16>, <8 x i16>, <8 x i16>, i32) nounwind +declare void @llvm.arm.neon.vst3lane.v4i32(i8*, <4 x i32>, <4 x i32>, <4 x i32>, i32) nounwind +declare void @llvm.arm.neon.vst3lane.v4f32(i8*, <4 x float>, <4 x float>, <4 x float>, i32) nounwind + define void @vst4lanei8(i8* %A, <8 x i8>* %B) nounwind { ;CHECK: vst4lanei8: |