Add codegen support for NEON vst3lane intrinsics with 128-bit vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83598 91177308-0d34-0410-b5e6-96231b3b80d8
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 @@
     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: