archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-28 07:14:30 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8150552: Remove -XX:+AggressiveOpts

Browse source 
Removed the -XX:+AggressiveOpts flags and its usages.

Reviewed-by: ecaspole, sjohanss
This commit is contained in:
Tobias Hartmann 2018-10-24 12:39:37 +02:00
parent 533bd0a604
commit 18d4a423f9
15 changed files with 9 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/hotspot/share/runtime/arguments.cpp
View file

@ -536,7 +536,6 @@ static SpecialFlag const special_jvm_flags[] = {
{ "IgnoreUnverifiableClassesDuringDump", JDK_Version::jdk(10), JDK_Version::undefined(), JDK_Version::undefined() },
{ "CompilerThreadHintNoPreempt", JDK_Version::jdk(11), JDK_Version::jdk(12), JDK_Version::jdk(13) },
{ "VMThreadHintNoPreempt", JDK_Version::jdk(11), JDK_Version::jdk(12), JDK_Version::jdk(13) },
{ "AggressiveOpts", JDK_Version::jdk(11), JDK_Version::jdk(12), JDK_Version::jdk(13) },
// --- Deprecated alias flags (see also aliased_jvm_flags) - sorted by obsolete_in then expired_in:
{ "DefaultMaxRAMFraction", JDK_Version::jdk(8), JDK_Version::undefined(), JDK_Version::undefined() },
@ -563,6 +562,7 @@ static SpecialFlag const special_jvm_flags[] = {
{ "SyncFlags", JDK_Version::undefined(), JDK_Version::jdk(12), JDK_Version::jdk(13) },
{ "SyncKnobs", JDK_Version::undefined(), JDK_Version::jdk(12), JDK_Version::jdk(13) },
{ "MonitorInUseLists", JDK_Version::jdk(10), JDK_Version::jdk(12), JDK_Version::jdk(13) },
{ "AggressiveOpts", JDK_Version::jdk(11), JDK_Version::jdk(12), JDK_Version::jdk(13) },
#ifdef TEST_VERIFY_SPECIAL_JVM_FLAGS
{ "dep > obs", JDK_Version::jdk(9), JDK_Version::jdk(8), JDK_Version::undefined() },
@ -1940,7 +1940,7 @@ void Arguments::set_bytecode_flags() {
}
}
// Aggressive optimization flags -XX:+AggressiveOpts
// Aggressive optimization flags
jint Arguments::set_aggressive_opts_flags() {
#ifdef COMPILER2
if (AggressiveUnboxing) {
@ -1957,14 +1957,10 @@ jint Arguments::set_aggressive_opts_flags() {
AggressiveUnboxing = false;
}
}
if (AggressiveOpts || !FLAG_IS_DEFAULT(AutoBoxCacheMax)) {
if (!FLAG_IS_DEFAULT(AutoBoxCacheMax)) {
if (FLAG_IS_DEFAULT(EliminateAutoBox)) {
FLAG_SET_DEFAULT(EliminateAutoBox, true);
}
if (FLAG_IS_DEFAULT(AutoBoxCacheMax)) {
FLAG_SET_DEFAULT(AutoBoxCacheMax, 20000);
}
// Feed the cache size setting into the JDK
char buffer[1024];
jio_snprintf(buffer, 1024, "java.lang.Integer.IntegerCache.high=" INTX_FORMAT, AutoBoxCacheMax);
@ -1972,18 +1968,8 @@ jint Arguments::set_aggressive_opts_flags() {
return JNI_ENOMEM;
}
}
if (AggressiveOpts && FLAG_IS_DEFAULT(BiasedLockingStartupDelay)) {
FLAG_SET_DEFAULT(BiasedLockingStartupDelay, 500);
}
#endif
if (AggressiveOpts) {
// Sample flag setting code
// if (FLAG_IS_DEFAULT(EliminateZeroing)) {
// FLAG_SET_DEFAULT(EliminateZeroing, true);
// }
}
return JNI_OK;
}
@ -3913,7 +3899,7 @@ jint Arguments::apply_ergo() {
// Set bytecode rewriting flags
set_bytecode_flags();
// Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled
// Set flags if aggressive optimization flags are enabled
jint code = set_aggressive_opts_flags();
if (code != JNI_OK) {
return code;