[Hexagon] Fix operand-swapping PatFrag for atomic stores

PatFrag now has the atomicity information stored as bit fields. They
need to be copied to the new PatFrag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320855 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed