--- a/hotspot/src/share/vm/opto/c2_globals.hpp Fri Oct 21 00:58:30 2011 -0700
+++ b/hotspot/src/share/vm/opto/c2_globals.hpp Sun Oct 23 20:23:14 2011 -0700
@@ -201,7 +201,7 @@
diagnostic(bool, UnrollLimitCheck, true, \
"Additional overflow checks during loop unroll") \
\
- product(bool, OptimizeFill, false, \
+ product(bool, OptimizeFill, true, \
"convert fill/copy loops into intrinsic") \
\
develop(bool, TraceOptimizeFill, false, \
@@ -459,7 +459,7 @@
product(bool, UseOptoBiasInlining, true, \
"Generate biased locking code in C2 ideal graph") \
\
- product(bool, OptimizeStringConcat, false, \
+ product(bool, OptimizeStringConcat, true, \
"Optimize the construction of Strings by StringBuilder") \
\
notproduct(bool, PrintOptimizeStringConcat, false, \