Add codegen support for NEON vst3 intrinsics with <1 x i64> vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83518 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelDAGToDAG.cpp b/lib/Target/ARM/ARMISelDAGToDAG.cpp
index af0224f..a7a43d3 100644
--- a/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -1616,6 +1616,7 @@
         case MVT::v4i16: Opc = ARM::VST3d16; break;
         case MVT::v2f32:
         case MVT::v2i32: Opc = ARM::VST3d32; break;
+        case MVT::v1i64: Opc = ARM::VST3d64; break;
         }
         SDValue Chain = N->getOperand(0);
         const SDValue Ops[] = { MemAddr, MemUpdate, MemOpc,
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index c3a8e08..40832e5 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -374,6 +374,10 @@
 def  VST3d8   : VST3D<0b0000, "vst3.8">;
 def  VST3d16  : VST3D<0b0100, "vst3.16">;
 def  VST3d32  : VST3D<0b1000, "vst3.32">;
+def  VST3d64  : NLdSt<0,0b00,0b0110,0b1100, (outs),
+                      (ins addrmode6:$addr, DPR:$src1, DPR:$src2, DPR:$src3),
+                      IIC_VST,
+                      "vst1.64\t\\{$src1,$src2,$src3\\}, $addr", "", []>;
 
 // vst3 to double-spaced even registers.
 def  VST3q8a  : VST3WB<0b0000, "vst3.8">;
diff --git a/lib/Target/ARM/NEONPreAllocPass.cpp b/lib/Target/ARM/NEONPreAllocPass.cpp
index 3233f27..773ca7e 100644
--- a/lib/Target/ARM/NEONPreAllocPass.cpp
+++ b/lib/Target/ARM/NEONPreAllocPass.cpp
@@ -143,6 +143,7 @@
   case ARM::VST3d8:
   case ARM::VST3d16:
   case ARM::VST3d32:
+  case ARM::VST3d64:
   case ARM::VST3LNd8:
   case ARM::VST3LNd16:
   case ARM::VST3LNd32: