Re-apply r175088 for bug fix 13622: Add paired register support for
inline asm with 64-bit data on ARM

Update test case to use -mtriple=arm-linux-gnueabi


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175186 91177308-0d34-0410-b5e6-96231b3b80d8