7103784: enable some flags by default
Reviewed-by: kvn
diff --git a/hotspot/src/share/vm/opto/c2_globals.hpp b/hotspot/src/share/vm/opto/c2_globals.hpp
index 827e76e..5cb4100 100644
--- a/hotspot/src/share/vm/opto/c2_globals.hpp
+++ b/hotspot/src/share/vm/opto/c2_globals.hpp
@@ -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, \
diff --git a/hotspot/src/share/vm/runtime/arguments.cpp b/hotspot/src/share/vm/runtime/arguments.cpp
index bfd7486..b8e514d 100644
--- a/hotspot/src/share/vm/runtime/arguments.cpp
+++ b/hotspot/src/share/vm/runtime/arguments.cpp
@@ -1577,18 +1577,9 @@
sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax);
add_property(buffer);
}
- if (AggressiveOpts && FLAG_IS_DEFAULT(DoEscapeAnalysis)) {
- FLAG_SET_DEFAULT(DoEscapeAnalysis, true);
- }
if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) {
FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500);
}
- if (AggressiveOpts && FLAG_IS_DEFAULT(OptimizeStringConcat)) {
- FLAG_SET_DEFAULT(OptimizeStringConcat, true);
- }
- if (AggressiveOpts && FLAG_IS_DEFAULT(OptimizeFill)) {
- FLAG_SET_DEFAULT(OptimizeFill, true);
- }
#endif
if (AggressiveOpts) {
diff --git a/hotspot/src/share/vm/runtime/globals.hpp b/hotspot/src/share/vm/runtime/globals.hpp
index 78334da..285214d 100644
--- a/hotspot/src/share/vm/runtime/globals.hpp
+++ b/hotspot/src/share/vm/runtime/globals.hpp
@@ -3364,7 +3364,7 @@
notproduct(bool, ExitOnFullCodeCache, false, \
"Exit the VM if we fill the code cache.") \
\
- product(bool, UseCodeCacheFlushing, false, \
+ product(bool, UseCodeCacheFlushing, true, \
"Attempt to clean the code cache before shutting off compiler") \
\
product(intx, MinCodeCacheFlushingInterval, 30, \
