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7103784: enable some flags by default

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Reviewed-by: kvn
This commit is contained in:
Tom Rodriguez 2011-10-23 20:23:14 -07:00
parent e9bfe21bdf
commit 5dc4f00ff5
3 changed files with 3 additions and 12 deletions
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4
hotspot/src/share/vm/opto/c2_globals.hpp
View file

@ -201,7 +201,7 @@
diagnostic(bool, UnrollLimitCheck, true, \ diagnostic(bool, UnrollLimitCheck, true, \
"Additional overflow checks during loop unroll") \ "Additional overflow checks during loop unroll") \
\ \
product(bool, OptimizeFill, false, \ product(bool, OptimizeFill, true, \
"convert fill/copy loops into intrinsic") \ "convert fill/copy loops into intrinsic") \
\ \
develop(bool, TraceOptimizeFill, false, \ develop(bool, TraceOptimizeFill, false, \
@ -459,7 +459,7 @@
product(bool, UseOptoBiasInlining, true, \ product(bool, UseOptoBiasInlining, true, \
"Generate biased locking code in C2 ideal graph") \ "Generate biased locking code in C2 ideal graph") \
\ \
product(bool, OptimizeStringConcat, false, \ product(bool, OptimizeStringConcat, true, \
"Optimize the construction of Strings by StringBuilder") \ "Optimize the construction of Strings by StringBuilder") \
\ \
notproduct(bool, PrintOptimizeStringConcat, false, \ notproduct(bool, PrintOptimizeStringConcat, false, \

9
hotspot/src/share/vm/runtime/arguments.cpp
View file

@ -1577,18 +1577,9 @@ void Arguments::set_aggressive_opts_flags() {
sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax); sprintf(buffer, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax);
add_property(buffer); add_property(buffer);
} }
if (AggressiveOpts && FLAG_IS_DEFAULT(DoEscapeAnalysis)) {
FLAG_SET_DEFAULT(DoEscapeAnalysis, true);
}
if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) { if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) {
FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500); 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 #endif
if (AggressiveOpts) { if (AggressiveOpts) {

2
hotspot/src/share/vm/runtime/globals.hpp
View file

@ -3364,7 +3364,7 @@ class CommandLineFlags {
notproduct(bool, ExitOnFullCodeCache, false, \ notproduct(bool, ExitOnFullCodeCache, false, \
"Exit the VM if we fill the code cache.") \ "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") \ "Attempt to clean the code cache before shutting off compiler") \
\ \
product(intx, MinCodeCacheFlushingInterval, 30, \ product(intx, MinCodeCacheFlushingInterval, 30, \