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781 Commits

Author SHA1 Message Date
Y. Srinivas Ramakrishna
50d7db1805 Merge 2009-07-10 16:01:20 -07:00
Antonios Printezis
1215bc6717 6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set 
Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.

Reviewed-by: ysr, apetrusenko, jcoomes
 2009-07-07 14:23:00 -04:00
Vladimir Kozlov
855149e2e6 Merge 2009-07-07 09:54:06 -07:00
Vladimir Kozlov
5a1032d9e6 6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class") 
Move the secondary raw memory barrier to the correct place in generate_arraycopy().

Reviewed-by: never
 2009-07-06 15:53:30 -07:00
Jon Masamitsu
bac53feed5 Merge 2009-07-02 16:28:15 -07:00
Changpeng Fang
7a36ade1ec 6855164: SIGSEGV during compilation of method involving loop over CharSequence 
Don not split a block if it contains a FastLockNode with a PhiNode input.

Reviewed-by: kvn, never
 2009-07-02 16:18:19 -07:00
Vladimir Kozlov
bb726c6f28 6840775: Multiple JVM crashes seen with 1.6.0_10 through 1.6.0_14 
Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy().

Reviewed-by: never
 2009-07-01 20:22:18 -07:00
Vladimir Kozlov
9d4cd45834 Merge 2009-07-01 15:06:54 -07:00
Tom Rodriguez
da11e65fa4 6856025: assert(_base >= OopPtr && _base <= KlassPtr,"Not a Java pointer") 
Reviewed-by: kvn
 2009-07-01 12:22:23 -07:00
Jeremy Manson
28d4ad46aa 6850957: Honor -XX:OnOutOfMemoryError when array size exceeds VM limit 
Call report_java_out_of_memory("Requested array size exceeds VM limit")

Reviewed-by: tbell, dholmes, alanb, ysr
 2009-06-29 14:42:12 -07:00
Mandy Chung
08f5aeffc1 6857194: Add hotspot perf counters to aid class loading performance measurement 
Add new jvmstat counters to measure detailed class loading time

Reviewed-by: acorn, kamg
 2009-07-10 11:10:00 -07:00
Antonios Printezis
eec17fe775 6855115: G1: Fix for 6850869 is incorrect 
Missed updating two variable names when improving the code for 6850869.

Reviewed-by: iveresov, jmasa, ysr
 2009-06-29 12:17:03 -04:00
Tom Rodriguez
3bdd70fe18 6818666: G1: Type lost in g1 pre-barrier 
Reviewed-by: kvn
 2009-06-26 13:03:29 -07:00
Andrey Petrusenko
bf215dbb7e 6854027: Precompiled headers are not being updated in Linux/GCC builds 
Fixes incorrect handling of precompiled headers in diff mode.

Reviewed-by: never, twisti
 2009-06-26 09:22:19 -07:00
Christian Thalinger
a9ad90fa87 5057225: Remove useless I2L conversions 
The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.

Reviewed-by: kvn
 2009-06-26 07:26:10 -07:00
Vladimir Kozlov
8f6070ce0e 6841800: Incorrect boundary values behavior for option -XX:MaxLabelRootDepth=0-6 leads to jvm crash 
MaxLabelRootDepth value less then 10 is invalid.

Reviewed-by: never
 2009-06-24 12:00:51 -07:00
Antonios Printezis
3a643c42b0 6850869: G1: RSet "scrubbing" scrubs too much 
RSet scrubbing incorrectly deletes RSet entries that point to regions tagged as "continues humongous" due to a race when RSet scrubbing iterates over regions in parallel.

Reviewed-by: apetrusenko, iveresov
 2009-06-24 11:42:03 -04:00
Chuck Rasbold
2c5f52b511 6837094: False positive for "meet not symmetric" failure 
Have the meet not symmetric check recursively do the interface-vs-oop check on array subtypes.

Reviewed-by: jrose
 2009-06-23 17:52:29 -07:00
Antonios Printezis
f741e2fceb 6850846: G1: extend G1 marking verification 
Extend G1 marking verification to use either the "prev" or "next" marking information, as appropriate.

Reviewed-by: johnc, ysr
 2009-06-12 16:20:16 -04:00
John Coomes
24f3527be2 6849716: BitMap - performance regression introduced with G1 
Make verification code visible only in debug builds

Reviewed-by: iveresov, ysr, johnc, apetrusenko, tonyp
 2009-06-11 13:31:01 -07:00
Tom Rodriguez
0f4f530213 6849574: VM crash using NonBlockingHashMap (high_scale_lib) 
Reviewed-by: kvn
 2009-06-10 12:19:48 -07:00
Vladimir Kozlov
7b9d6a79ac 6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14 
Disable escape analysis when jvmti/debugger is used. Add support for EA ibto SA.

Reviewed-by: never
 2009-06-09 16:19:10 -07:00
John Coomes
10002fa2ff 6814552: par compact - some compilers fail to optimize bitmap code 
Reviewed-by: tonyp, iveresov, jmasa, ysr
 2009-06-07 22:08:24 -07:00
John Cuthbertson
70fe3ca4f5 6843694: G1: assert(index < _vs.committed_size(),"bad index"), g1BlockOffsetTable.inline.hpp:55 
For heaps larger than 32Gb, the number of heap regions overflows the data type used to hold the region index in the SparsePRT structure. Changed the region indexes, card indexes, and RSet hash table buckets to ints and added some size overflow guarantees.

Reviewed-by: ysr, tonyp
 2009-06-11 17:19:33 -07:00
Y. Srinivas Ramakrishna
9d9317de4c 6820167: GCALotAtAllSafepoints + FullGCALot(ScavengeALot) options crash JVM 
Short-circuit gc-a-lot attempts by non-JavaThreads; SkipGCALot c'tor to elide re-entrant gc-a-lot attempts.

Reviewed-by: apetrusenko, jcoomes, jmasa, kamg
 2009-06-11 12:40:00 -07:00
Jon Masamitsu
46dcdf10e6 Merge 2009-06-10 14:57:21 -07:00
Igor Veresov
307bb62ca5 6849122: G1: Typo introduced during implementation of the parallel refinement 
Typo fix

Reviewed-by: jcoomes
 2009-06-08 16:14:19 -07:00
Y. Srinivas Ramakrishna
9611174798 6848641: CMSCollector::_roots_scanning_options should be initialized 
The field is now initialized in the constructor.

Reviewed-by: iveresov, jmasa, johnc
 2009-06-07 00:27:41 -07:00
Changpeng Fang
0429abd38a 6848466: frame::frame_size() assertion failure with -XX:+DebugDeoptimization 
Add a RegisterMap* argument to frame::frame_size() to correctly compute the sender frame

Reviewed-by: never
 2009-06-05 10:25:39 -07:00
Tom Rodriguez
73a6885c23 Merge 2009-06-03 18:15:25 -07:00
Changpeng Fang
f981546f2d 6837146: Should perform unswitch before maximally unroll in loop transformation 
Move loop unswitch before maximally unroll

Reviewed-by: never
 2009-05-28 09:37:18 -07:00
Vladimir Kozlov
802f3552f9 6843752: missing code for an anti-dependent Phi in GCM 
Don't place a load below anti-dependent PHI.

Reviewed-by: never, twisti
 2009-05-27 12:35:51 -07:00
Vladimir Kozlov
fdb3ca8708 6772683: Thread.isInterrupted() fails to return true on multiprocessor PC 
Set the control edge for the field _interrupted load in inline_native_isInterrupted().

Reviewed-by: never
 2009-05-21 10:05:36 -07:00
Tomas Hurka
6ee565c7b8 6839599: JVM crash while profiling Tomcat and Liferay 
ConstantPoolOopDesc::copy_cpool_bytes() - do the brute-force search search through 'tbl' when SymbolTable::lookup_only() returns NULL

Reviewed-by: kamg
 2009-05-20 09:36:53 +02:00
Andrey Petrusenko
b7eda61fb6 6819065: G1: eliminate high serial card table clearing time 
Reviewed-by: iveresov, tonyp
 2009-05-19 04:05:31 -07:00
Igor Veresov
4f6c7e4a14 6841831: G1: assert(contains_reference(from),"We just added it!") fires 
During parallel rset updating we have to make sure that the worker ids of the refinement threads do not intersect with the worker ids that can be claimed by the mutator threads.

Reviewed-by: tonyp
 2009-05-18 11:52:46 -07:00
Kelly O'Hair
affd74638e Merge 2009-05-15 18:14:44 -07:00
Christian Thalinger
8a262ce04b 6814842: Load shortening optimizations 
6797305 handles load widening but no shortening which should be covered here.

Reviewed-by: never, kvn
 2009-05-13 00:45:22 -07:00
Vladimir Kozlov
e101bdf5df 6836054: java/util/Arrays/CopyMethods.java fails on solaris-sparc with IllegalArgumentException 
Do not mark an allocation as scalar replaceable if its actual type in unknown statically.

Reviewed-by: never
 2009-05-11 18:30:13 -07:00
Vladimir Kozlov
6202395cb2 6832293: JIT compiler got wrong result in type checking with -server 
Check for an object array of interface in CmpPNode::sub().

Reviewed-by: never
 2009-05-11 17:59:54 -07:00
Igor Veresov
8c764e214c 6484957: G1: parallel concurrent refinement 
6826318: G1: remove traversal-based refinement code

Removed traversal-based refinement code as it's no longer used. Made the concurrent refinement (queue-based) parallel.

Reviewed-by: tonyp
 2009-05-11 16:30:56 -07:00
Kelly O'Hair
a3ead33c8d 6839126: Type error found by newer windows compiler 
Reviewed-by: never, kvn
 2009-05-08 14:33:58 -07:00
Vladimir Kozlov
34ee921399 6788527: Server vm intermittently fails with assertion "live value must not be garbage" with fastdebug bits 
Cache Jvmti and DTrace flags used by Compiler.

Reviewed-by: never
 2009-05-08 10:44:20 -07:00
Vladimir Kozlov
b5cff6a1a0 Merge 2009-05-08 10:34:31 -07:00
Vladimir Kozlov
955a453996 Merge 2009-05-07 17:09:48 -07:00
Christian Thalinger
1576a9be9e Merge 2009-05-07 00:28:13 -07:00
Christian Thalinger
96139033e6 6837011: SIGSEGV in PhaseIdealLoop in 32bit jvm 
The CR's test crashes with SIGSEGV when running with "-server -Xcomp" using using 32bit jvm.

Reviewed-by: kvn, never, rasbold
 2009-05-06 12:04:42 -07:00
Christian Thalinger
6a270f9f19 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}() 
These methods can be instrinsified by using bit scan, bit test, and population count instructions.

Reviewed-by: kvn, never
 2009-05-06 00:27:52 -07:00
John Cuthbertson
92afe130d1 6833576: G1: assert illegal index, growableArray.hpp:186 
The code that calculates the heap region index for an object address incorrectly used signed arithmetic.

Reviewed-by: jcoomes, ysr
 2009-05-05 22:15:35 -07:00
Changpeng Fang
716c78f080 6833879: Assigning positive zero is ignored when old value is negative zero 
Don't perform CMOVE identity optimization for floating point types

Reviewed-by: kvn, never
 2009-05-05 11:02:10 -07:00