Saleem Abdulrasool d389f8dd86 AArch64: support the .arch directive in the IAS
Add support to the AArch64 IAS for the `.arch` directive.  This allows the
assembly input to use architectural functionality in part of a file.  This is
used in existing code like BoringSSL.

Resolves PR26016!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272241 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-09 02:56:40 +00:00
..