Mercurial > hg > graal-compiler

diff src/share/vm/runtime/thread.cpp @ 1027:39b01ab7035a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning 6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks) Summary: Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers(). Reviewed-by: jcoomes, kvn, never
author ysr
date Fri, 16 Oct 2009 02:05:46 -0700
parents 46b819ba120b
children 4b966d9946a3 e66fd840cb6b
line wrap: on
line diff
--- a/src/share/vm/runtime/thread.cpp	Wed Oct 07 19:01:55 2009 -0400
+++ b/src/share/vm/runtime/thread.cpp	Fri Oct 16 02:05:46 2009 -0700
@@ -1213,6 +1213,7 @@
 {
   initialize();
   _is_attaching = is_attaching;
+  assert(_deferred_card_mark.is_empty(), "Default MemRegion ctor");
 }
 
 bool JavaThread::reguard_stack(address cur_sp) {
@@ -2318,6 +2319,10 @@
 
 
 void JavaThread::oops_do(OopClosure* f, CodeBlobClosure* cf) {
+  // Flush deferred store-barriers, if any, associated with
+  // initializing stores done by this JavaThread in the current epoch.
+  Universe::heap()->flush_deferred_store_barrier(this);
+
   // The ThreadProfiler oops_do is done from FlatProfiler::oops_do
   // since there may be more than one thread using each ThreadProfiler.