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8075816: Deprecate AliasLevel flag since it is broken

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Reviewed-by: thartmann, kvn
This commit is contained in:
Tobias Holenstein 2022-04-20 09:41:53 +00:00 committed by Tobias Hartmann
parent 1b71621008
commit 46b2e547a9
3 changed files with 4 additions and 1 deletions
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3
src/hotspot/share/opto/c2_globals.hpp
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@ -630,7 +630,8 @@
range(1, max_intx) \
\
product(intx, AliasLevel, 3, \
"0 for no aliasing, 1 for oop/field/static/array split, " \
"(Deprecated) 0 for no aliasing, " \
"1 for oop/field/static/array split, " \
"2 for class split, 3 for unique instances") \
range(0, 3) \
constraint(AliasLevelConstraintFunc,AfterErgo) \

1
src/hotspot/share/runtime/arguments.cpp
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@ -542,6 +542,7 @@ static SpecialFlag const special_jvm_flags[] = {
{ "ExtendedDTraceProbes", JDK_Version::jdk(19), JDK_Version::jdk(20), JDK_Version::jdk(21) },
{ "UseContainerCpuShares", JDK_Version::jdk(19), JDK_Version::jdk(20), JDK_Version::jdk(21) },
{ "PreferContainerQuotaForCPUCount", JDK_Version::jdk(19), JDK_Version::jdk(20), JDK_Version::jdk(21) },
{ "AliasLevel", JDK_Version::jdk(19), JDK_Version::jdk(20), JDK_Version::jdk(21) },
// --- 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() },

1
test/hotspot/jtreg/runtime/CommandLine/VMDeprecatedOptions.java
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@ -56,6 +56,7 @@ public class VMDeprecatedOptions {
{"InitialRAMFraction", "64"},
{"TLABStats", "false"},
{"AllowRedefinitionToAddDeleteMethods", "true"},
{"AliasLevel", "3"},
// deprecated alias flags (see also aliased_jvm_flags):
{"DefaultMaxRAMFraction", "4"},