Files
clang-p2996/llvm/test/CodeGen/Thumb
Tim Northover f5769880d9 ARM: Use "dmb sy" for barriers on M-class CPUs
The usual default of "dmb ish" (inner-shareable) isn't even a valid instruction
on v6M or v7M (well, it does the same thing but software is strongly
discouraged from using it) so we should emit a full-system barrier there.

llvm-svn: 189483
2013-08-28 14:39:19 +00:00
..