Adjust a comment to reflect what the code does. Splitting a 64-bit argument

between registers and the stack may be required with the APCS ABI, but it
isn't tied to using a particular version of the ARM architecture.

llvm-svn: 69978

llvm/lib/Target/ARM/ARMISelLowering.cpp

@@ -1103,7 +1103,7 @@ ARMTargetLowering::LowerFORMAL_ARGUMENTS(SDValue Op, SelectionDAG &DAG) {
 
         VA = ArgLocs[++i]; // skip ahead to next loc
         if (VA.isMemLoc()) {
-          // must be APCS and older than V5T to split like this
+          // must be APCS to split like this
           unsigned ArgSize = VA.getLocVT().getSizeInBits()/8;
           int FI = MFI->CreateFixedObject(ArgSize, VA.getLocMemOffset());