tree db568fce8feec0ae6910ff1150cf46f08fe7e3e5
parent fbf47ea64a9f797a82030e919fa4f085c9eb5b28
author Mathieu Chartier <mathieuc@google.com> 1485468191 -0800
committer Mathieu Chartier <mathieuc@google.com> 1485479095 -0800

Avoid read barriers for ArtMethod::GetDexFile

Shows up in pmd benchmark from Class::FindDeclaredDirectMethod and
Class::FindDeclaredVirtualMethod. There are still calls to
IsProxyMethod that could probably be eliminated.

ReadBarrier::Mark goes from 12.39% to 3.45% according to perf.

Test: test-art-host

Change-Id: I6a4f2fa2d68bf5f393f83b9b70e8d6fcc9dbdaa2