Expand ATOMIC_LOAD and ATOMIC_STORE for architectures I don't know well enough to fix properly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138751 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index ccb84ab..ca8f2db 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -596,6 +596,7 @@
   setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i32, Expand);
   // ARMv6 Thumb1 (except for CPUs that support dmb / dsb) and earlier use
   // the default expansion.
+  // FIXME: This should be checking for v6k, not just v6.
   if (Subtarget->hasDataBarrier() ||
       (Subtarget->hasV6Ops() && !Subtarget->isThumb())) {
     // membarrier needs custom lowering; the rest are legal and handled