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718 Commits

Author SHA1 Message Date
Tom Rodriguez
134debb0ba 6822204: volatile fences should prefer lock:addl to actual mfence instructions 
Reviewed-by: kvn, phh
 2009-03-26 14:31:45 -07:00
Karen Kinnear
ae0f3167d3 Merge 2009-03-26 16:00:51 -04:00
Igor Veresov
74e0691df5 6822263: G1: JVMTI heap iteration fails 
Make object_iterate() traverse the perm gen

Reviewed-by: apetrusenko, tonyp
 2009-03-26 08:51:32 -07:00
Andrey Petrusenko
cf2ae8d98d 6543938: G1: remove the concept of popularity 
Reviewed-by: iveresov, tonyp
 2009-03-25 13:10:54 -07:00
Coleen Phillimore
cec3a034d1 6541756: Reduce executable C-heap 
Add executable parameters to reserve_memory and commit_memory to reduce executable memory to only the Code Heap.

Reviewed-by: xlu, kvn, acorn
 2009-03-25 14:19:20 -04:00
Karen Kinnear
101468324d 6603316: Improve instrumentation for classes loaded at startup 
Reviewed-by: xlu, mchung
 2009-03-25 13:09:28 -04:00
Antonios Printezis
cb822b7e10 Merge 2009-03-25 10:36:08 -04:00
Paul Hohensee
ffff71c1cf Merge 2009-03-24 19:05:23 -07:00
Paul Hohensee
5231fcdc40 6810653: Change String cache class used by Hotspot from String to StringValue 
Change create_vm() to load and initialize StringValue rather than String.

Reviewed-by: kvn
 2009-03-24 21:56:53 -04:00
Tom Rodriguez
a5396e1107 6820510: assertion failure with unloaded class in subnode.cpp 
Reviewed-by: kvn
 2009-03-24 15:09:52 -07:00
Changpeng Fang
fface2e4ca 6636138: UseSuperWord enabled failure 
Fixed SuperWord scheduling of memory operations.

Reviewed-by: kvn, never
 2009-03-24 12:19:47 -07:00
Tom Rodriguez
1cafadfd3e 6805522: Server VM fails with assertion (block1->start() != block2->start(),"successors have unique bcis") 
Reviewed-by: kvn
 2009-03-23 13:58:58 -07:00
Karen Kinnear
472349069b Merge 2009-03-23 10:42:20 -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
John R Rose
cfb08c72ba 6814659: separable cleanups and subroutines for 6655638 
Preparatory but separable changes for method handles

Reviewed-by: kvn, never
 2009-03-20 23:19:36 -07:00
Coleen Phillimore
c8da21faa9 6805748: Assertion "don't reset to 0 -- could be mistaken for never-executed" in CompilationPolicy 
Resetting the invocation counter for a method invocation event was setting count to zero for CompileThreshold=1, making it look like a never executed method.

Reviewed-by: phh, kamg, acorn, never
 2009-03-20 22:08:48 -04:00
Karen Kinnear
fba4182589 6819853: VM does not detect JDK which supports parallel class loaders 
Reviewed-by: coleenp, pbk, xlu, alanb
 2009-03-20 11:23:24 -04:00
Xiomara Jayasena
7f88fc4697 Added tag jdk7-b51 for changeset c5c3e5f4accc 2009-03-19 13:25:23 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Karen Kinnear
25de21d620 4766230: Hotspot vtable inconsistencies cause core dumps. 6579515. 6582242 
Reviewed-by: kamg, coleenp
 2009-03-18 17:20:57 -04:00
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
Karen Kinnear
f9f538c7fd Merge 2009-03-16 08:50:53 -04:00
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
Poonam Bajaj
9dff23337b 6812971: SA: re-attaching to process fails 
After attaching, de-attaching SA from a process, the second time attach() call fails. This happens because in VM.initialize(), Universe does not get re-initialized before it is accessed.

Reviewed-by: swamyv
 2009-03-15 18:11:46 -07:00
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
John Coomes
bc706440bd 6810474: par compact - crash in summary_phase with very full heap 
Reviewed-by: tonyp
 2009-03-03 14:23:18 -08:00
Y. Srinivas Ramakrishna
ce3f3161da 6824570: ParNew: Fix memory leak introduced in 6819891 
Allocate worker-local overflow stacks, introduced in 6819891, along with ParNewGeneration, rather than with the per-scavenge ParScanThreadState.

Reviewed-by: jmasa
 2009-04-02 15:57:41 -07:00
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
Vladimir Kozlov
67a5668b16 6811267: Fix for 6809798 broke linux build 
Fix method's declaration.

Reviewed-by: phh, twisti
 2009-02-27 08:34:19 -08:00
Lillian Angel
d6cdfde9d9 6778669: Patch from Red Hat -- fixes compilation errors 
Some fixes which are required to build on recent GCCs.

Reviewed-by: never, kvn
 2009-02-27 03:35:40 -08:00
Tom Rodriguez
114da9bcfc 6810855: KILL vs. TEMP ordering restrictions are too strong 
Reviewed-by: kvn
 2009-02-26 16:57:21 -08:00
Vladimir Kozlov
9b31d58b98 6809798: SafePointScalarObject node placed into incorrect block during GCM 
Replace the control edge of a pinned node before scheduling.

Reviewed-by: never
 2009-02-26 14:26:02 -08:00
Andrei Pangin
31eeaafbcf Merge 2009-02-26 14:25:55 -08:00
Xiomara Jayasena
6f9ccbbe7f Added tag jdk7-b49 for changeset 2fb28c2f14c0 2009-02-26 10:57:13 -08:00
Erik Trimble
954e8082f6 Merge 2009-02-25 23:16:22 -08:00
Erik Trimble
44091d390c Merge 2009-02-25 22:55:54 -08:00
Tom Rodriguez
f7098831dd 6807963: need tool to make sense of LogCompilaton output 
Reviewed-by: kvn
 2009-02-25 14:36:27 -08:00
Tom Rodriguez
a82243d887 6805427: adlc compiler may generate incorrect machnode emission code 
Reviewed-by: kvn, twisti
 2009-02-25 10:53:14 -08:00
Jon Masamitsu
6b78cf8b99 Merge 2009-02-24 22:51:00 -08:00
Jon Masamitsu
b051a23591 6806226: Signed integer overflow in growable array code causes JVM crash 
Workaround the overflow by doing the intermediate calculations in an unsigned variable.

Reviewed-by: ysr, jcoomes
 2009-02-24 22:12:24 -08:00
Antonios Printezis
f883e6fde8 6804746: G1: guarantee(variance() > -1.0,"variance should be >= 0") (due to evacuation failure) 
Under certain circumstances (evacuation failure) the pause time is not communicated to the policy and, as a result, the pause time field is not initialized properly.

Reviewed-by: jmasa
 2009-02-24 15:50:23 -05:00
Vladimir Kozlov
decdeea77d Merge 2009-02-24 09:53:20 -08:00
Vladimir Kozlov
b07ac51bf3 6791572: assert("duplicating node that's already been matched") 
Mark inputs for an address expression as shared if there are other uses besides address expressions.

Reviewed-by: never
 2009-02-23 16:03:19 -08:00
Christian Thalinger
0723dab28b 6808589: Merge vm_version_x86_{32,64}.{cpp,hpp} 
There is very much duplicated code in vm_version_x86_{32,64}.{cpp,hpp}.  Refactoring these would help maintainability.

Reviewed-by: kvn, never
 2009-02-23 12:02:30 -08:00
Andrei Pangin
6acc244444 Merge 2009-02-22 17:21:13 -08:00
Andrei Pangin
85a47f34c6 Merge 2009-02-22 17:11:56 -08:00
Y. Srinivas Ramakrishna
7efb6ac73a Merge 2009-02-20 11:12:26 -08:00
Vladimir Kozlov
dc3008a513 6802499: EA: assert(false,"unknown node on this path") 
Add missing checks for SCMemProj node in Escape analysis code.

Reviewed-by: never
 2009-02-19 17:38:53 -08:00
Xiomara Jayasena
f5594e9e8d Added tag jdk7-b48 for changeset 1da7c5c8156d 2009-02-19 14:08:00 -08:00
Ivan P Krylov
6aec7d2ea9 6806046: Hotspot build error when compiled from Visual Studio 
Define HOTSPOT_LIB_ARCH in the preprocessor flags of the generated projects

Reviewed-by: kamg, xlu
 2009-02-19 04:54:22 -05:00
Erik Trimble
473e5b6e54 6807345: Bump HS15 build number to 02 
Update the HS15 Build number to 02

Reviewed-by: jcoomes
 2009-02-18 18:20:02 -08:00
Erik Trimble
0a2c842e50 Merge 2009-02-18 18:14:18 -08:00
Vladimir Kozlov
73e8e582ba 6807084: AutoBox elimination is broken with compressed oops 
Add checks for DecodeN nodes into AutoBox elimination code.

Reviewed-by: never
 2009-02-18 13:53:42 -08:00
Jon Masamitsu
f1847266b7 6786346: intermittent Internal Error (src/share/vm/memory/cardTableModRefBS.cpp:226) 
Two assertions were incorrectly composed.

Reviewed-by: tonyp
 2009-02-17 15:35:58 -08:00
Vladimir Kozlov
681eb89b31 Merge 2009-02-17 14:30:24 -08:00
Christian Thalinger
f72a09355f 6805950: Typos in andL_rReg_imm instructions in x86_64.ad 
There are two typos in andL_rReg_imm instructions in x86_64.ad.

Reviewed-by: kvn
 2009-02-17 11:19:31 +01:00
Christian Thalinger
dd25f39709 6805724: ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant 
C2, ModLNode::Ideal() generates functionally incorrect graph when divisor is any (2^k-1) constant.

Reviewed-by: rasbold
 2009-02-16 07:19:26 -08:00
Andrei Pangin
b4e9e47b74 Merge 2009-02-15 20:09:02 -08:00