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648 Commits

Author SHA1 Message Date
Andrey Petrusenko
cf2ae8d98d 6543938: G1: remove the concept of popularity 
Reviewed-by: iveresov, tonyp
 2009-03-25 13:10:54 -07:00
Antonios Printezis
cb822b7e10 Merge 2009-03-25 10:36:08 -04:00
Antonios Printezis
d5e5e5a3d1 6820321: G1: Error: guarantee(check_nums(total, n, parts), "all seq lengths should match") 
Small fixes to sort out some verbosegc-related incorrectness and a failure

Reviewed-by: apetrusenko
 2009-03-21 22:53:04 -04:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Vladimir Kozlov
5e66955173 6772368: REGRESSION:tomcat crashed twice with JDK 7 
Call make_block_at() with the original handler limits.

Reviewed-by: never
 2009-03-18 13:25:02 -07:00
Antonios Printezis
f8c3115e4e Merge 2009-03-18 11:37:48 -04:00
Igor Veresov
736e8a2d4b 6815683: G1: SEGV during marking 
We should mark the regions that continue humongous regions as live if the first region is live.

Reviewed-by: tonyp
 2009-03-16 17:48:01 -07:00
Vladimir Kozlov
f210928e73 6816308: Changes to allow builds with latest Windows SDK 6.1 on 64bit Windows 2003 
Allow Hotspot builds with latest Windows SDK 6.1 on 64bit Windows 2003

Reviewed-by: ohair, tbell, jcoomes
 2009-03-16 15:06:33 -07:00
Antonios Printezis
217739210d 6816154: G1: introduce flags to enable/disable RSet updating and scanning 
Introduces two flags, -XX:-/+G1EnableParallelRSetUpdating and -XX:-/+G1EnableParallelRSetScanning, to turn on/off the "band aid" fix that serializes RSet updating / scanning during GCs.

Reviewed-by: iveresov
 2009-03-16 10:52:44 -04:00
Igor Veresov
82619cc8da 6817419: G1: Enable extensive verification for humongous regions 
Enabled full verification for humongous regions. Also made sure that the VerifyAfterGC works with deferred updates and G1HRRSFlushLogBuffersOnVerify.

Reviewed-by: tonyp
 2009-03-16 08:01:32 -07:00
Antonios Printezis
ecdb99412d 6604422: G1: re-use half-promoted regions 
6728271: G1: Cleanup G1CollectedHeap::get_gc_alloc_regions()

It allows the last half-full region to be allocated to during a GC to be reused during the next GC.

Reviewed-by: apetrusenko, jcoomes
 2009-03-15 22:03:38 -04:00
John R Rose
b8dbe8d8f6 6813212: factor duplicated assembly code for general subclass check (for 6655638) 
Code in interp_masm, stubGenerator, c1_LIRAssembler, and AD files moved into MacroAssembler.

Reviewed-by: kvn
 2009-03-13 18:39:22 -07:00
Y. Srinivas Ramakrishna
21b3d4aea0 Merge 2009-03-13 17:06:44 -07:00
Y. Srinivas Ramakrishna
a45005f646 6808322: ParNew, CMS, G1: ParGCAllocBuffer overflow 
Correct the overflow check in ParGCAllocBuffer::allocate(); simplify ParGCAllocBuffer::undo_allocation().

Reviewed-by: apetrusenko, jcoomes, jmasa, minqi, phh, tonyp
 2009-03-13 13:56:01 -07:00
Antonios Printezis
05a81fae18 Merge 2009-03-13 16:10:21 -04:00
Christian Thalinger
de67e52949 6378821: bitCount() should use POPC on SPARC processors and AMD+10h 
BitCount() should use POPC on SPARC processors where POPC is implemented directly in hardware.

Reviewed-by: kvn, never
 2009-03-13 11:35:17 -07:00
Erik Trimble
8debef1a64 6816970: Bump HS15 build number to 03 
Update the HS15 Build number to 03

Reviewed-by: jcoomes
 2009-03-12 18:17:25 -07:00
Erik Trimble
8d6035660e Merge 2009-03-12 18:16:36 -07:00
Igor Veresov
1e875ce562 6816433: Test G1 and ParOld in JPRT 
Reviewed-by: jmasa, never, ysr
 2009-03-12 14:01:36 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base 
Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.

Reviewed-by: never, twisti, jcoomes, coleenp
 2009-03-12 10:37:46 -07:00
Antonios Printezis
e794fff22c Merge 2009-03-12 11:34:44 -04:00
Christian Thalinger
66cecec230 6812587: Use auxv to determine SPARC hardware features on Solaris 
A similar function to getisax(2) should be used to determine all possible instruction set extensions.

Reviewed-by: never, kvn
 2009-03-11 14:16:13 -07:00
Vladimir Kozlov
7a871160ec Merge 2009-03-10 08:52:16 -07:00
Andrey Petrusenko
13c13c7289 6760309: G1: update remembered sets during Full GCs 
Reviewed-by: iveresov, tonyp
 2009-03-10 00:47:05 -07:00
Xiomara Jayasena
29a36f3f0e Merge 2009-03-09 13:34:00 -07:00
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Xiomara Jayasena
76f6f19925 Merge 2009-03-09 11:43:30 -07:00
Antonios Printezis
faf22e51ad Merge 2009-03-09 11:32:57 -04:00
Christian Thalinger
89cea91c48 6797305: Add LoadUB and LoadUI opcode class 
Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.

Reviewed-by: never, kvn
 2009-03-09 03:17:11 -07:00
Antonios Printezis
e4e765e34e 6814467: G1: small fixes related to concurrent marking verboseness 
A few small fixes to remove some inconsistencies in the concurrent mark-related verbose GC output.

Reviewed-by: jmasa
 2009-03-07 11:07:37 -05:00
Antonios Printezis
8893530f3a 6812428: G1: Error: assert(ret || obj_in_cs(obj),"sanity") 
The length of the fast cset test vector is decided at the beginning of a GC, but more regions can be added during the GC. The simple fix is to set the length of the fast cset test vector to the max.

Reviewed-by: iveresov
 2009-03-07 11:07:37 -05:00
Antonios Printezis
e7d899910b 6810698: G1: two small bugs in the sparse remembered sets 
The _expanded flag of the sparse RSets is not reset and this can leave a RSet in an inconsistent state if it is expanded more than once. Also, we should be iterating over the _cur, instead of the _next, sparse table

Reviewed-by: apetrusenko, iveresov
 2009-03-07 11:07:36 -05:00
John R Rose
26d192003f 6812831: factor duplicated assembly code for megamorphic invokeinterface (for 6655638) 
Code in vtableStubs and templateTable moved into MacroAssembler.

Reviewed-by: kvn
 2009-03-06 21:36:50 -08:00
Igor Veresov
416d70bf91 6720309: G1: don't synchronously update RSet during evacuation pauses 
6720334: G1: don't update RSets of collection set regions during an evacuation pause

Introduced a deferred update mechanism for delaying the rset updates during the collection pause

Reviewed-by: apetrusenko, tonyp
 2009-03-06 13:50:14 -08:00
Karen Kinnear
a23cbf5b96 Merge 2009-03-05 22:07:29 -05:00
Xiomara Jayasena
4e52be63fe Added tag jdk7-b50 for changeset 90cbd9088155 2009-03-05 09:49:03 -08:00
John R Rose
07321dec65 6812678: macro assembler needs delayed binding of a few constants (for 6655638) 
Minor assembler enhancements preparing for method handles

Reviewed-by: kvn
 2009-03-04 09:58:39 -08:00
Vladimir Kozlov
3e2ae68252 6812721: Block's frequency should not be NaN 
Set MIN_BLOCK_FREQUENCY block's frequency when calculated block's frequency is NaN

Reviewed-by: never
 2009-03-03 18:25:57 -08:00
Vladimir Kozlov
4b15cdadd3 Merge 2009-03-03 10:34:22 -08:00
Y. Srinivas Ramakrishna
72bfacbd95 6797870: Add -XX:+{HeapDump,PrintClassHistogram}{Before,After}FullGC 
Call newly created CollectedHeap::dump_{pre,post}_full_gc before and after every stop-world full collection cycle on GenCollectedHeap and ParallelScavengeHeap. (Support for G1CollectedHeap forthcoming under CR 6810861.) Small modifications to existing heap dumping and class histogram implementation, especially to allow multiple on-the-fly histos/dumps by the VM thread during a single safepoint.

Reviewed-by: jmasa, alanb, mchung
 2009-03-02 16:37:04 -08:00
Daniel D. Daugherty
8c0f3ead78 Merge 2009-03-02 16:56:51 -07:00
Daniel D. Daugherty
8aa430beb0 Merge 2009-03-02 14:43:36 -07:00
Daniel D. Daugherty
8aebf28301 6567360: 3/4 SIGBUS in jvmti RawMonitor magic check for unaligned bad monitor pointer 
Change JvmtiEnvBase::is_valid() and JvmtiRawMonitor::is_valid() to fetch the _magic fields via Bytes::get_native_u[248]().

Reviewed-by: coleenp, swamyv
 2009-03-02 14:05:07 -07:00
Daniel D. Daugherty
da3f81559f 6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined 
Remove incorrect optimization in klassItable::adjust_method_entries(). Add RedefineClasses() tracing support for obsolete method entry.

Reviewed-by: acorn, swamyv
 2009-03-02 14:03:03 -07:00
Daniel D. Daugherty
56fe18e375 6800721: 3/4 JavaThread::jvmti_thread_state() and JvmtiThreadState::state_for() robustness 
Check for NULL return values from jvmti_thread_state() and state_for() and return a JVM TI error code as appropriate.

Reviewed-by: coleenp, swamyv
 2009-03-02 14:00:23 -07:00
Daniel D. Daugherty
74a99e1e82 6700114: 3/4 Assertion (_thread->get_interp_only_mode() == 1,"leaving interp only when mode not one") 
Don't create JvmtiThreadState for an exiting JavaThread.

Reviewed-by: coleenp, swamyv
 2009-03-02 13:57:17 -07:00
Tom Rodriguez
48d4a43c2a 6811384: MacroAssembler::serialize_memory may touch next page on amd64 
Reviewed-by: kvn, phh, twisti
 2009-03-01 20:49:46 -08:00
Y. Srinivas Ramakrishna
dd4aaeadd4 Merge 2009-02-27 15:30:47 -08:00
Xiomara Jayasena
dd661ad390 Merge 2009-02-27 15:13:00 -08:00
Christian Thalinger
05d1de7727 6810672: Comment typos 
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
 2009-02-27 13:27:09 -08:00