| commit | 214c37d1816b62a25525282817f7088a1e2ed1dc | [log] [tgz] |
|---|---|---|
| author | Tim Northover <tnorthover@apple.com> | Fri Oct 25 09:30:24 2013 +0000 |
| committer | Tim Northover <tnorthover@apple.com> | Fri Oct 25 09:30:24 2013 +0000 |
| tree | 86ca829469e85c4e457480afd50f0cc8de3bdcba | |
| parent | 5a42ae81f742aaab826b7a72cb0a9a7e5a957a07 [diff] |
ARM: don't expand atomicrmw inline on Cortex-M0 There's a barrier instruction so that should still be used, but most actual atomic operations are going to need a platform decision on the correct behaviour (either nop if single-threaded or OS-support otherwise). rdar://problem/15287210 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193399 91177308-0d34-0410-b5e6-96231b3b80d8