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8049737: Contended Locking reorder and cache line bucket

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JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket.

Co-authored-by: Dave Dice <dave.dice@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Reviewed-by: shade, dice, dholmes, dsimms
This commit is contained in:
Daniel D. Daugherty 2014-10-14 10:32:12 -07:00
parent 51866388d1
commit f1ab0fae73
13 changed files with 302 additions and 247 deletions
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10
hotspot/src/share/vm/runtime/vmStructs.cpp
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@ -1070,8 +1070,8 @@ typedef TwoOopHashtable<Symbol*, mtClass> SymbolTwoOopHashtable;
volatile_nonstatic_field(ObjectMonitor, _header, markOop) \
unchecked_nonstatic_field(ObjectMonitor, _object, sizeof(void *)) /* NOTE: no type */ \
unchecked_nonstatic_field(ObjectMonitor, _owner, sizeof(void *)) /* NOTE: no type */ \
volatile_nonstatic_field(ObjectMonitor, _count, intptr_t) \
volatile_nonstatic_field(ObjectMonitor, _waiters, intptr_t) \
volatile_nonstatic_field(ObjectMonitor, _count, jint) \
volatile_nonstatic_field(ObjectMonitor, _waiters, jint) \
volatile_nonstatic_field(ObjectMonitor, _recursions, intptr_t) \
nonstatic_field(ObjectMonitor, FreeNext, ObjectMonitor*) \
volatile_nonstatic_field(BasicLock, _displaced_header, markOop) \
@ -2507,6 +2507,12 @@ typedef TwoOopHashtable<Symbol*, mtClass> SymbolTwoOopHashtable;
declare_constant(Deoptimization::Action_make_not_compilable) \
declare_constant(Deoptimization::Action_LIMIT) \
\
/***************************************************/ \
/* DEFAULT_CACHE_LINE_SIZE (globalDefinitions.hpp) */ \
/***************************************************/ \
\
declare_constant(DEFAULT_CACHE_LINE_SIZE) \
\
/*********************/ \
/* Matcher (C2 only) */ \
/*********************/ \