[llvm-commits] [llvm] r83482 - in /llvm/trunk: lib/Target/ARM/ARMISelDAGToDAG.cpp lib/Target/ARM/ARMInstrNEON.td lib/Target/ARM/NEONPreAllocPass.cpp test/CodeGen/ARM/vst2.ll
Bob Wilson
bob.wilson at apple.com
Wed Oct 7 11:47:39 PDT 2009
Author: bwilson
Date: Wed Oct 7 13:47:39 2009
New Revision: 83482
URL: http://llvm.org/viewvc/llvm-project?rev=83482&view=rev
Log:
Add codegen support for NEON vst2 intrinsics with 128-bit vectors.
Modified:
llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
llvm/trunk/lib/Target/ARM/NEONPreAllocPass.cpp
llvm/trunk/test/CodeGen/ARM/vst2.ll
Modified: llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp?rev=83482&r1=83481&r2=83482&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMISelDAGToDAG.cpp Wed Oct 7 13:47:39 2009
@@ -1563,17 +1563,41 @@
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 vst2 type");
+ case MVT::v8i8: Opc = ARM::VST2d8; break;
+ case MVT::v4i16: Opc = ARM::VST2d16; break;
+ case MVT::v2f32:
+ case MVT::v2i32: Opc = ARM::VST2d32; break;
+ }
+ SDValue Chain = N->getOperand(0);
+ const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
+ N->getOperand(3), N->getOperand(4), Chain };
+ return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops, 6);
+ }
+ // Quad registers are stored as pairs of double registers.
+ EVT RegVT;
+ switch (VT.getSimpleVT().SimpleTy) {
default: llvm_unreachable("unhandled vst2 type");
- case MVT::v8i8: Opc = ARM::VST2d8; break;
- case MVT::v4i16: Opc = ARM::VST2d16; break;
- case MVT::v2f32:
- case MVT::v2i32: Opc = ARM::VST2d32; break;
- }
- SDValue Chain = N->getOperand(0);
+ case MVT::v16i8: Opc = ARM::VST2q8; RegVT = MVT::v8i8; break;
+ case MVT::v8i16: Opc = ARM::VST2q16; RegVT = MVT::v4i16; break;
+ case MVT::v4f32: Opc = ARM::VST2q32; RegVT = MVT::v2f32; break;
+ case MVT::v4i32: Opc = ARM::VST2q32; RegVT = MVT::v2i32; break;
+ }
+ SDValue Chain = N->getOperand(0);
+ SDValue D0 = CurDAG->getTargetExtractSubreg(ARM::DSUBREG_0, dl, RegVT,
+ N->getOperand(3));
+ SDValue D1 = CurDAG->getTargetExtractSubreg(ARM::DSUBREG_1, dl, RegVT,
+ N->getOperand(3));
+ SDValue D2 = CurDAG->getTargetExtractSubreg(ARM::DSUBREG_0, dl, RegVT,
+ N->getOperand(4));
+ SDValue D3 = CurDAG->getTargetExtractSubreg(ARM::DSUBREG_1, dl, RegVT,
+ N->getOperand(4));
const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
- N->getOperand(3), N->getOperand(4), Chain };
- return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops, 6);
+ D0, D1, D2, D3, Chain };
+ return CurDAG->getMachineNode(Opc, dl, MVT::Other, Ops, 8);
}
case Intrinsic::arm_neon_vst3: {
Modified: llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrNEON.td?rev=83482&r1=83481&r2=83482&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrNEON.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrNEON.td Wed Oct 7 13:47:39 2009
@@ -316,11 +316,20 @@
class VST2D<string OpcodeStr>
: NLdSt<(outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2), IIC_VST,
!strconcat(OpcodeStr, "\t\\{$src1,$src2\\}, $addr"), "", []>;
+class VST2Q<string OpcodeStr>
+ : NLdSt<(outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3,
+ DPR:$src4), IIC_VST,
+ !strconcat(OpcodeStr, "\t\\{$src1,$src2,$src3,$src4\\}, $addr"),
+ "", []>;
def VST2d8 : VST2D<"vst2.8">;
def VST2d16 : VST2D<"vst2.16">;
def VST2d32 : VST2D<"vst2.32">;
+def VST2q8 : VST2Q<"vst2.8">;
+def VST2q16 : VST2Q<"vst2.16">;
+def VST2q32 : VST2Q<"vst2.32">;
+
// VST3 : Vector Store (multiple 3-element structures)
class VST3D<string OpcodeStr>
: NLdSt<(outs), (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3),
Modified: llvm/trunk/lib/Target/ARM/NEONPreAllocPass.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/NEONPreAllocPass.cpp?rev=83482&r1=83481&r2=83482&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/NEONPreAllocPass.cpp (original)
+++ llvm/trunk/lib/Target/ARM/NEONPreAllocPass.cpp Wed Oct 7 13:47:39 2009
@@ -129,6 +129,13 @@
NumRegs = 2;
return true;
+ case ARM::VST2q8:
+ case ARM::VST2q16:
+ case ARM::VST2q32:
+ FirstOpnd = 3;
+ NumRegs = 4;
+ return true;
+
case ARM::VST3d8:
case ARM::VST3d16:
case ARM::VST3d32:
Modified: llvm/trunk/test/CodeGen/ARM/vst2.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/vst2.ll?rev=83482&r1=83481&r2=83482&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/vst2.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/vst2.ll Wed Oct 7 13:47:39 2009
@@ -32,7 +32,44 @@
ret void
}
+define void @vst2Qi8(i8* %A, <16 x i8>* %B) nounwind {
+;CHECK: vst2Qi8:
+;CHECK: vst2.8
+ %tmp1 = load <16 x i8>* %B
+ call void @llvm.arm.neon.vst2.v16i8(i8* %A, <16 x i8> %tmp1, <16 x i8> %tmp1)
+ ret void
+}
+
+define void @vst2Qi16(i16* %A, <8 x i16>* %B) nounwind {
+;CHECK: vst2Qi16:
+;CHECK: vst2.16
+ %tmp1 = load <8 x i16>* %B
+ call void @llvm.arm.neon.vst2.v8i16(i16* %A, <8 x i16> %tmp1, <8 x i16> %tmp1)
+ ret void
+}
+
+define void @vst2Qi32(i32* %A, <4 x i32>* %B) nounwind {
+;CHECK: vst2Qi32:
+;CHECK: vst2.32
+ %tmp1 = load <4 x i32>* %B
+ call void @llvm.arm.neon.vst2.v4i32(i32* %A, <4 x i32> %tmp1, <4 x i32> %tmp1)
+ ret void
+}
+
+define void @vst2Qf(float* %A, <4 x float>* %B) nounwind {
+;CHECK: vst2Qf:
+;CHECK: vst2.32
+ %tmp1 = load <4 x float>* %B
+ call void @llvm.arm.neon.vst2.v4f32(float* %A, <4 x float> %tmp1, <4 x float> %tmp1)
+ ret void
+}
+
declare void @llvm.arm.neon.vst2.v8i8(i8*, <8 x i8>, <8 x i8>) nounwind
declare void @llvm.arm.neon.vst2.v4i16(i8*, <4 x i16>, <4 x i16>) nounwind
declare void @llvm.arm.neon.vst2.v2i32(i8*, <2 x i32>, <2 x i32>) nounwind
declare void @llvm.arm.neon.vst2.v2f32(i8*, <2 x float>, <2 x float>) nounwind
+
+declare void @llvm.arm.neon.vst2.v16i8(i8*, <16 x i8>, <16 x i8>) nounwind
+declare void @llvm.arm.neon.vst2.v8i16(i8*, <8 x i16>, <8 x i16>) nounwind
+declare void @llvm.arm.neon.vst2.v4i32(i8*, <4 x i32>, <4 x i32>) nounwind
+declare void @llvm.arm.neon.vst2.v4f32(i8*, <4 x float>, <4 x float>) nounwind
More information about the llvm-commits
mailing list