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761 Commits

Author SHA1 Message Date
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00
Changpeng Fang
08466ce0ca 6829021: tests for 6636138 use UseSuperword instead of UseSuperWord 
Remove the wrong flag -XX:+UseSuperword to fix the Nightly failure

Reviewed-by: kvn, never
 2009-04-10 15:01:14 -07:00
Xiaobin Lu
87b1e69996 Merge 2009-04-09 13:59:45 -07:00
Xiomara Jayasena
baa83308c5 Added tag jdk7-b54 for changeset c77d20908054 2009-04-09 10:37:18 -07:00
Erik Trimble
1f75d1c6dd 6828076: Fork HS15 to HS16 - renumber Major and build numbers of JVM 
Update the Hotspot version number to HS16 B01 for HS16 fork

Reviewed-by: jcoomes
 2009-04-08 14:55:38 -07:00
John R Rose
ce0c084720 6655638: dynamic languages need method handles 
Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
 2009-04-08 10:56:49 -07:00
John R Rose
318da3f68c 6827505: sizing logic for vtable and itable stubs needs self-check 
Asserts and comments to help maintain the correct sizing of certain stubs

Reviewed-by: kvn
 2009-04-08 00:12:59 -07:00
Vladimir Kozlov
ca3a3504be 6711117: Assertion in 64bit server vm (flat != TypePtr::BOTTOM,"cannot alias-analyze an untyped ptr") 
Delay a memory node transformation if its control or address on IGVN worklist.

Reviewed-by: never
 2009-04-07 19:04:24 -07:00
Vladimir Kozlov
014e5cdefb 6826960: C2 Sparc: assert(bb->_nodes(_bb_end)->is_Proj(),"skipping projections after expected call") 
Add the check when a Halt node is placed in a separate block.

Reviewed-by: twisti
 2009-04-07 10:05:04 -07:00
Xiaobin Lu
62fa852746 6699669: Hotspot server leaves synchronized block with monitor in bad state 
Remove usage of _highest_lock field in Thread so that is_lock_owned won't depend on the correct update of that field.

Reviewed-by: never, dice, acorn
 2009-04-06 15:47:39 -07:00
Tom Rodriguez
72afcb0285 6539464: Math.log() produces inconsistent results between successive runs 
Reviewed-by: kvn
 2009-04-06 11:53:17 -07:00
Erik Trimble
3d480f960f Merge 2009-04-03 20:12:54 -07:00
Erik Trimble
5e68f20160 Merge 2009-04-03 19:54:45 -07:00
Tom Rodriguez
5f10e8e82e 6826261: class file dumping from SA is broken 
Reviewed-by: kvn, jcoomes
 2009-04-03 18:51:31 -07:00
Y. Srinivas Ramakrishna
e1b2c1c442 Merge 2009-04-03 15:59:19 -07:00
Vladimir Kozlov
090346b4e8 6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") 
Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.

Reviewed-by: never, jrose
 2009-04-03 13:33:32 -07:00
Erik Trimble
73696dd5a4 Merge 2009-04-02 17:37:46 -07:00
Erik Trimble
067a3d9ad6 6825815: Bump HS15 build number to 05 and update copyright date of HOTSPOT_VM_COPYRIGHT 
Update the HS15 Build number to 05 and fix copyright date of HOTSPOT_VM_COPYRIGHT

Reviewed-by: jcoomes
 2009-04-02 17:37:07 -07:00
Erik Trimble
503abb135a Merge 2009-04-02 17:01:00 -07:00
Xiomara Jayasena
f907f0a9d2 Added tag jdk7-b53 for changeset 94c3ff1a20d0 2009-04-02 16:51:41 -07:00
Karen Kinnear
d4f2196cd0 Merge 2009-04-02 18:17:03 -04:00
Karen Kinnear
1f5324fed4 6825642: nsk sajdi tests fail with NullPointerException 
Reviewed-by: xlu, coleenp, kamg, swamyv
 2009-04-02 14:26:42 -04:00
Tom Rodriguez
e36afee3bd Merge 2009-04-02 10:49:41 -07:00
Andrey Petrusenko
a8f9284064 Merge 2009-04-02 05:22:02 -07:00
Erik Trimble
0244538b93 Merge 2009-04-01 22:31:26 -07:00
Paul Hohensee
4be7c3c672 6819213: revive sun.boot.library.path 
Support multiplex and mutable sun.boot.library.path

Reviewed-by: acorn, dcubed, xlu
 2009-04-01 16:38:01 -04:00
Tom Rodriguez
4d34a77121 6823454: Oop-typed loadP yields invalid pointer (0x1) on SPECjbb2005 at OSRed method entry 
Reviewed-by: kvn, jrose
 2009-04-01 11:45:01 -07:00
Tom Rodriguez
f3946ad215 Merge 2009-03-31 19:20:34 -07:00
Tom Rodriguez
b857081608 6824463: deopt blob is testing wrong register on 64-bit x86 
Reviewed-by: jrose, phh, kvn
 2009-03-31 15:09:45 -07:00
Changpeng Fang
c0d62ad9e6 6761600: Use sse 4.2 in intrinsics 
Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
 2009-03-31 14:07:08 -07:00
Vladimir Kozlov
aee9449305 Merge 2009-03-31 10:02:01 -07:00
Vladimir Kozlov
705188bb7b 6821700: tune VM flags for peak performance 
Tune C2 flags default values for performance.

Reviewed-by: never, phh, iveresov, jmasa, ysr
 2009-03-30 18:19:31 -07:00
Karen Kinnear
d37d544754 Merge 2009-03-29 18:19:05 -04:00
Y. Srinivas Ramakrishna
137a679446 6819891: ParNew: Fix work queue overflow code to deal correctly with +UseCompressedOops 
When using compressed oops, rather than chaining the overflowed grey objects' pre-images through their klass words, we use GC-worker thread-local overflow stacks.

Reviewed-by: jcoomes, jmasa
 2009-03-28 15:47:29 -07:00
Erik Trimble
350ce4d28b 6823377: Bump HS15 build number to 04 
Update the HS15 Build number to 04

Reviewed-by: jcoomes
 2009-03-27 16:58:30 -07:00
Erik Trimble
e4f3d13dbb Merge 2009-03-27 16:54:56 -07:00
Tom Rodriguez
99aa7292a3 6822333: _call_stub_compiled_return address handling in SA is broken causing jstack to hang occasionally 
Reviewed-by: kvn, twisti
 2009-03-27 14:37:42 -07:00
Xiomara Jayasena
422ea850e0 Added tag jdk7-b52 for changeset 0d989c04422c 2009-03-27 14:11:35 -07:00
Karen Kinnear
2a7822f94f Merge 2009-03-27 14:35:44 -04:00
Poonam Bajaj
6d21b1e4cd 6822407: heapOopSize lookup is incorrect in Serviceability Agent 
HeapOopSize symbol should be declared as constant in vmStructs and should not be looked up in readVMIntConstants().

Reviewed-by: never, swamyv, coleenp
 2009-03-27 10:29:54 -07:00
Ivan P Krylov
595ff704c0 6812297: update project creation for Visual Studio 2005-2008 
Add 2 news classes to create VC8 and VC9 projects

Reviewed-by: apetrusenko, xlu
 2009-03-27 01:35:39 -05:00
Vladimir Kozlov
68cf08d2c3 6810845: Performance regression in mpegaudio on x64 
Used the outer loop frequency in frequencies checks in RA.

Reviewed-by: never, twisti
 2009-03-26 15:04:55 -07:00
Tom Rodriguez
3b786f8edc Merge 2009-03-26 14:39:39 -07:00
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