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6934604: enable parts of EliminateAutoBox by default

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Resurrected autobox elimination code and enabled part of it by default.

Reviewed-by: roland, twisti
This commit is contained in:
Vladimir Kozlov 2013-05-08 15:08:01 -07:00
parent 7c367a6025
commit b4977e887a
48 changed files with 5776 additions and 501 deletions
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18
hotspot/src/share/vm/runtime/arguments.cpp
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@ -1089,6 +1089,10 @@ void Arguments::set_tiered_flags() {
if (FLAG_IS_DEFAULT(ReservedCodeCacheSize)) {
FLAG_SET_DEFAULT(ReservedCodeCacheSize, ReservedCodeCacheSize * 5);
}
if (!UseInterpreter) { // -Xcomp
Tier3InvokeNotifyFreqLog = 0;
Tier4InvocationThreshold = 0;
}
}
#if INCLUDE_ALL_GCS
@ -1661,6 +1665,20 @@ void Arguments::set_bytecode_flags() {
// Aggressive optimization flags -XX:+AggressiveOpts
void Arguments::set_aggressive_opts_flags() {
#ifdef COMPILER2
if (AggressiveUnboxing) {
if (FLAG_IS_DEFAULT(EliminateAutoBox)) {
FLAG_SET_DEFAULT(EliminateAutoBox, true);
} else if (!EliminateAutoBox) {
// warning("AggressiveUnboxing is disabled because EliminateAutoBox is disabled");
AggressiveUnboxing = false;
}
if (FLAG_IS_DEFAULT(DoEscapeAnalysis)) {
FLAG_SET_DEFAULT(DoEscapeAnalysis, true);
} else if (!DoEscapeAnalysis) {
// warning("AggressiveUnboxing is disabled because DoEscapeAnalysis is disabled");
AggressiveUnboxing = false;
}
}
if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) {
if (FLAG_IS_DEFAULT(EliminateAutoBox)) {
FLAG_SET_DEFAULT(EliminateAutoBox, true);