# HG changeset patch
# User kvn
# Date 1381864440 25200
# Node ID f91a9a696e5e4f05dd4f393cd80af44e00569b20
# Parent  e504cd481ec033d82b0602c70025e86b75e032a7
8026293: Schedule part of G1 pre-barrier late
Summary: move rare executed part of G1 write barrier from hot path.
Reviewed-by: kvn, twisti, roland
Contributed-by: staffan.friberg@oracle.com

diff -r e504cd481ec0 -r f91a9a696e5e src/share/vm/opto/graphKit.cpp
--- a/src/share/vm/opto/graphKit.cpp	Mon Oct 14 19:30:05 2013 -0700
+++ b/src/share/vm/opto/graphKit.cpp	Tue Oct 15 12:14:00 2013 -0700
@@ -3615,7 +3615,7 @@
   Node* marking = __ load(__ ctrl(), marking_adr, TypeInt::INT, active_type, Compile::AliasIdxRaw);
 
   // if (!marking)
-  __ if_then(marking, BoolTest::ne, zero); {
+  __ if_then(marking, BoolTest::ne, zero, unlikely); {
     BasicType index_bt = TypeX_X->basic_type();
     assert(sizeof(size_t) == type2aelembytes(index_bt), "Loading G1 PtrQueue::_index with wrong size.");
     Node* index   = __ load(__ ctrl(), index_adr, TypeX_X, index_bt, Compile::AliasIdxRaw);