Added aliases to scalar SSE instructions, e.g. addss, to match x86 intrinsics.
The source operands type are v4sf with upper bits passes through.
Added matching code for these.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27240 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed