commit be2a1df15a31a5223ee9af3015a00c31d2ad2e10
author Ian Rogers <irogers@google.com> Thu Jul 10 00:56:36 2014 -0700
committer Ian Rogers <irogers@google.com> Thu Jul 10 01:02:58 2014 -0700
tree 87e214c9e2b2049af4cf1b89698cd00f8148d022
parent c4f72ec44660f804b595bfaf2b959f46fd2ff00d

Fix GC to use art::Atomic rather than compiler intrinsics.

Changes to SpaceBitmap::AtomicTestAndSet and Space::end_. Space::end_ is made
atomic rather than volatile to fully capture all its uses multi-threaded or not
uses.

Change-Id: I3058964b8ad90a8c253b3d7f75585f63ca2fb5e3

runtime/gc/space/rosalloc_space.cc

diff --git a/runtime/gc/space/rosalloc_space.cc b/runtime/gc/space/rosalloc_space.cc
index a1511e7..5738d47 100644
--- a/runtime/gc/space/rosalloc_space.cc
+++ b/runtime/gc/space/rosalloc_space.cc
@@ -349,7 +349,7 @@
   madvise(GetMemMap()->Begin(), GetMemMap()->Size(), MADV_DONTNEED);
   live_bitmap_->Clear();
   mark_bitmap_->Clear();
-  end_ = begin_ + starting_size_;
+  SetEnd(begin_ + starting_size_);
   delete rosalloc_;
   rosalloc_ = CreateRosAlloc(mem_map_->Begin(), starting_size_, initial_size_, Capacity(),
                              low_memory_mode_);