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781 Commits

Author SHA1 Message Date
Y. Srinivas Ramakrishna
a3e539d0da 6801625: CDS: HeapDump tests crash with internal error in compactingPermGenGen.cpp 
Allow iteration over the shared spaces when using CDS, repealing previous proscription. Deferred further required CDS-related cleanups of perm gen to CR 6897789.

Reviewed-by: phh, jmasa
 2009-11-03 16:43:16 -08:00
Roland Westrelin
7eea7dcfe4 6769124: various 64-bit fixes for c1 
Reviewed-by: never
 2009-11-02 11:17:55 +01:00
Xiaobin Lu
f5e722511a Merge 2009-10-30 17:24:14 -07:00
John R Rose
903247cf85 6858164: invokedynamic code needs some cleanup (post-6655638) 
Fix several crashers, remove needless paths for boxed-style bootstrap method call, refactor & simplify APIs for rewriter constantPoolOop, remove sun.dyn.CallSiteImpl

Reviewed-by: kvn
 2009-10-30 16:22:59 -07:00
Antonios Printezis
56b1d0c435 Merge 2009-10-30 13:31:11 -04:00
Changpeng Fang
e3b5580ecc 6852078: HSX 14/16 in jdk 5.0: api/javax_management api/org_omg jck tests crashes or make tnameserv crash 
Disable SuperWord optimization for unsafe read/write

Reviewed-by: kvn, phh
 2009-10-30 10:12:52 -07:00
Vladimir Kozlov
bdd0f44def 6896084: VM does not reserve protected page below heap for compressed oops implicit null checks 
Set narrow_oop_base and narrow_oop_use_implicit_null_checks in Universe::preferred_heap_base().

Reviewed-by: twisti, jcoomes
 2009-10-29 16:57:55 -07:00
Changpeng Fang
c1eacdef5a Merge 2009-10-29 08:49:31 -07:00
Paul Hohensee
2f7d60fa36 6887571: Increase default heap config sizes 
Apply modification of existing server heap size ergo to all collectors except CMS.

Reviewed-by: jmasa, ysr, xlu
 2009-10-28 16:25:51 -04:00
Y. Srinivas Ramakrishna
cd43e74d4e 6818264: Heap dumper unexpectedly adds .hprof suffix 
Restore old behaviour wrt HeapDumpPath; first dump goes to <file>, <n>th dump goes to <file>.<n-1>, with default value of <file> the same as before.

Reviewed-by: alanb, jcoomes, tonyp
 2009-10-28 11:16:42 -07:00
Andrey Petrusenko
79580cb425 6870843: G1: G1 GC memory leak 
The fix addresses two memory leaks in G1 code: (1) _evac_failure_scan_stack - a resource object allocated on the C heap was not freed; (2) RSHashTable were linked into deleted list which was only cleared at full GC.

Reviewed-by: tonyp, iveresov
 2009-10-27 02:42:24 -07:00
Xiaobin Lu
bfa076da18 Merge 2009-10-23 18:44:33 -07:00
Andrey Petrusenko
da1b89b746 6858886: G1: guarantee(_next_marked_bytes <= used(),"invariant") at heapRegion.hpp:359 
Reviewed-by: tonyp, ysr
 2009-10-22 07:43:49 -07:00
Vladimir Kozlov
022d690049 6892186: SA does not dump debug info for scalar replaced objects 
Implement scalar replaced objects debug info dump in SA.

Reviewed-by: twisti
 2009-10-21 09:15:33 -07:00
Keith McGuigan
6dfb497d00 6893483: DTrace probe return values for a couple JNI methods are wrong 
Fix the shadowing and incorrect macro usages

Reviewed-by: coleenp
 2009-10-20 16:34:08 -04:00
Antonios Printezis
e57cedc5ed Merge 2009-10-20 11:28:25 -07:00
Y. Srinivas Ramakrishna
0bb99b44ef 6892749: assert(UseParNewGC || UseSerialGC || UseConcMarkSweepGC, "...") fails 
Removed the assert: UseSerialGC is not necessarily always set when serial gc is being used.

Reviewed-by: jcoomes, jmasa, tonyp
 2009-10-20 00:00:23 -07:00
Antonios Printezis
9f337f438a Merge 2009-10-19 17:02:19 -04:00
John R Rose
2134a92922 6815692: method handle code needs some cleanup (post-6655638) 
Correctly raise exceptions, support safe bitwise "raw" conversions, fix bugs revealed by VerifyMethodHandles, remove dead code, improve debugging support

Reviewed-by: never, twisti
 2009-10-17 19:51:05 -07:00
Changpeng Fang
35ca20c546 Merge 2009-10-16 14:08:44 -07:00
Y. Srinivas Ramakrishna
928ac69fcd 6888898: CMS: ReduceInitialCardMarks unsafe in the presence of cms precleaning 
6889757: G1: enable card mark elision for initializing writes from compiled code (ReduceInitialCardMarks)

Defer the (compiler-elided) card-mark upon a slow-path allocation until after the store  and before the next subsequent safepoint; G1 now answers yes to can_elide_tlab_write_barriers().

Reviewed-by: jcoomes, kvn, never
 2009-10-16 02:05:46 -07:00
Xiaobin Lu
88d2bc6d8d Merge 2009-10-14 12:40:20 -07:00
Tom Rodriguez
6af1a61656 6889869: assert(!Interpreter::bytecode_should_reexecute(code),"should not reexecute") 
Reviewed-by: jrose, kvn, cfang, twisti
 2009-10-14 10:36:57 -07:00
Vladimir Kozlov
998bcbaf4b 6889300: assert(i != k || is_new || i->outcnt() > 0, "don't return dead nodes") 
PhiNode::Ideal() should return TOP for Phi node with no users.

Reviewed-by: never, jrose
 2009-10-13 22:32:31 -07:00
Vladimir Kozlov
9a22acef05 6889656: assert(lo_lrg->lo_degree() || !lo_no_simplify,"Live range was lo-degree before coalesce 
Restore the original code: uint i = _hi_degree.

Reviewed-by: never, jrose
 2009-10-13 20:54:13 -07:00
Tom Rodriguez
9ecd8e48ca 6889302: TraceExceptions output should include detail message 
Reviewed-by: twisti, jrose, kvn
 2009-10-13 16:29:31 -07:00
Gary Benson
5473f394c6 6890308: integrate zero assembler hotspot changes 
Reviewed-by: never
 2009-10-13 12:04:21 -07:00
Erik Trimble
8cea3ed3b4 Merge 2009-10-09 15:18:52 -07:00
Antonios Printezis
a67426faf8 6866190: Remove SIMPLE_STACK code from TaskQueue 
What the title says. We don't use SIMPLE_STACK any more.

Reviewed-by: ysr
 2009-10-07 19:01:55 -04:00
Tom Rodriguez
9b306d03ee 6885584: A particular class structure causes large allocation spike for jit 
Reviewed-by: kvn
 2009-10-07 15:38:37 -07:00
Vladimir Kozlov
ba951dbf36 6875959: CTW fails hotspot/src/share/vm/opto/reg_split.cpp:1087 
To break spill ties choose bound live range over unbound to free register or one with smaller cost to spill.

Reviewed-by: never, jrose
 2009-10-07 12:43:50 -07:00
Bob Vandette
9681f68f38 6888847: TaskQueue needs release_store() for correctness on RMO machines 
See title.

Reviewed-by: jmasa, ysr, jcoomes, iveresov, tonyp
 2009-10-07 09:48:42 -04:00
Antonios Printezis
9288a18639 6888619: G1: too many guarantees in concurrent marking 
Change more guarantees in concurrent marking into asserts.

Reviewed-by: apetrusenko, iveresov
 2009-10-07 10:09:57 -04:00
Antonios Printezis
0835f0c4df 6888316: G1: has_aborted() || _cm->region_stack_empty() fails 
Remove incorrect guarantee.

Reviewed-by: apetrusenko, iveresov
 2009-10-07 09:42:18 -04:00
Antonios Printezis
31de6adee9 6847956: G1: crash in oopDesc*G1ParCopyHelper::copy_to_survivor_space(oopDesc*) 
When we copy objects to survivors during marking, we incorrectly set NTAMS to bottom, which causes marking to miss visiting some of those objects.

Reviewed-by: apetrusenko, iveresov
 2009-10-05 12:05:48 -04:00
Antonios Printezis
2684c3a431 6882730: G1: parallel heap verification messes up region dump 
It tidies up the G1 heap verification a bit. In particular, when the verification is done in parallel and there is a failure, this is propagated to the top level and the heap is dumped at the end, not by every thread that encounters a failure.

Reviewed-by: johnc, jmasa
 2009-10-02 16:20:42 -04:00
Antonios Printezis
99a529bb86 6885041: G1: inconsistent thread dump 
When G1 is enabled, thread dumps are inconsistent as the info for some of the G1 threads is not formatted properly.

Reviewed-by: ysr, johnc
 2009-10-02 16:12:07 -04:00
John R Rose
f34acd6601 Merge 2009-09-30 13:25:39 -07:00
Antonios Printezis
2c2a8ae8b1 6890137: G1: revamp reachable object dump 
Revamp the reachable object dump debugging facility.

Reviewed-by: jmasa, apetrusenko
 2009-09-30 14:50:51 -04:00
Antonios Printezis
7c9b6d8d16 6886024: G1: assert(recent_avg_pause_time_ratio() < 1.00,"All GC?") 
The assert is incorrect and can fire incorrectly due to floating point inaccuracy.

Reviewed-by: apetrusenko, ysr, jcoomes
 2009-10-23 14:34:27 -04:00
Karen Kinnear
1a46b05dd4 Merge 2009-09-28 12:27:52 -04:00
Vladimir Kozlov
7e942d79d0 6883468: C2 compiler enters infinite loop in PhaseIterGVN::transform 
Avoid ideal transformation ping-pong between AddPNode::Ideal() and CastX2PNode::Ideal().

Reviewed-by: cfang
 2009-09-25 13:26:02 -07:00
Erik Trimble
652ccb8d21 Merge 2009-09-25 12:17:06 -07:00
Andrey Petrusenko
698cbc8361 Merge 2009-09-25 04:39:54 -07:00
Xiaobin Lu
89aa7fcef6 6880029: JDK 1.6.0_u14p Application crashed very early 
Reviewed-by: never, ysr, acorn
 2009-09-24 12:10:46 -07:00
John R Rose
eb73cf4739 6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods 
After mechanically merging changes, some by-hand adjustments are needed.

Reviewed-by: ysr
 2009-09-23 23:57:44 -07:00
John R Rose
40d52710f6 Merge 2009-09-23 23:56:15 -07:00
Andrew John Hughes
a6a41760f1 6884552: remove some unnecessary #ifdef's introduced in the fix for 4957990 
Removed the unnecessary #ifdef's which were interfering with the build of the Zero-assembler port

Reviewed-by: ysr, jcoomes
 2009-09-23 11:36:06 -07:00
Daniel D. Daugherty
f6523d1043 6876794: 4/4 sp07t002 hangs very intermittently 
Remove over locking by VMThread on "is thread suspended?" check

Reviewed-by: dholmes, acorn, andrew
 2009-09-22 21:12:37 -06:00
Xiomara Jayasena
15f08eb80e 6884624: Update copyright year 
Update copyright for files that have been modified in 2009 through Septermber

Reviewed-by: tbell, ohair
 2009-09-22 14:06:10 -07:00