save some testing time; get rid of the non-SSE chips in this test

It doesn't matter what slow/fast unaligned attribute the old chips
have - they can't use anything more than 4-byte stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245709 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed