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8339112: Move JVM Klass flags out of AccessFlags #20719

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8339112: Move JVM Klass flags out of AccessFlags #20719

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6d73884
Move JVM_ACC_IS_HIDDEN_CLASS.
coleenp Aug 23, 2024
18fcef0
Move JVM_ACC_IS_VALUE_BASED_CLASS.
coleenp Aug 23, 2024
6075602
Refix is_hidden_class to use misc_flags.
coleenp Aug 26, 2024
47a5000
Add in has_finalizer and is_cloneable_fast but doesn't work for C2 yet.
coleenp Aug 26, 2024
ccefd4e
Fix typeo.
coleenp Aug 26, 2024
bb6491a
Fix C2 things I hope.
coleenp Aug 27, 2024
c6a278b
The test compiler/types/TestSubTypeCheckNewObjectNotConstant.java ass…
coleenp Aug 27, 2024
1bbd30c
Fix s390 compilation errors.
coleenp Aug 28, 2024
350f867
Fix C1 nodes for misc_flags access.
coleenp Aug 28, 2024
9dc7e55
Add in graal flags and a comment.
coleenp Aug 29, 2024
6754f42
Assembly corrections from Matias and Dean.
coleenp Aug 30, 2024
ad7deac
Some C2 refactoring.
coleenp Aug 30, 2024
852ca04
Fix jvmci code.
coleenp Aug 30, 2024
9e93b2a
Refactor jvmci code.
coleenp Aug 30, 2024
4c3a04d
Add parameters and rename generate_klass_flags_guard.
coleenp Aug 30, 2024
9f91857
Add parameters and rename generate_klass_flags_guard.
coleenp Sep 3, 2024
79c35f7
Remove unused function declaration.
coleenp Sep 3, 2024
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2 changes: 2 additions & 0 deletions src/hotspot/share/jvmci/vmStructs_jvmci.cpp
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Expand Up @@ -727,6 +727,8 @@
\
declare_constant(InstanceKlassFlags::_misc_has_nonstatic_concrete_methods) \
declare_constant(InstanceKlassFlags::_misc_declares_nonstatic_concrete_methods) \
declare_constant(KlassFlags::_misc_is_hidden_class) \
declare_constant(KlassFlags::_misc_is_value_based_class) \
declare_constant(KlassFlags::_misc_has_finalizer) \
declare_constant(KlassFlags::_misc_is_cloneable_fast) \
\
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2 changes: 2 additions & 0 deletions src/hotspot/share/oops/klass.hpp
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Expand Up @@ -166,6 +166,8 @@ class Klass : public Metadata {
// Keep it away from the beginning of a Klass to avoid cacheline
// contention that may happen when a nearby object is modified.
AccessFlags _access_flags; // Access flags. The class/interface distinction is stored here.
// Some flags created by the JVM, not in the class file itself,
// are in _misc_flags below.

JFR_ONLY(DEFINE_TRACE_ID_FIELD;)

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