NetBSD uses long derived size_t / ssize_t in all ARM ABIs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196114 91177308-0d34-0410-b5e6-96231b3b80d8
Assume ARMv6 for NetBSD for now for strex/ldrex.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196115 91177308-0d34-0410-b5e6-96231b3b80d8
The __w64 attribute handler was more generically named, but only applied to __w64 specifically. Renamed and removed some unused code. No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@196116 91177308-0d34-0410-b5e6-96231b3b80d8