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652 Commits

Author SHA1 Message Date
Kelly O'Hair
68141df565 6745363: Add ability to run packtest to hotspot/test/makefile 
Reviewed-by: ksrini
 2008-09-11 11:04:55 -07:00
Karen Kinnear
da33a7de28 Merge 2008-09-11 09:02:02 -04:00
Vladimir Kozlov
9812da470c 6746907: Improve implicit null check generation 
Add missing implicit null check cases.

Reviewed-by: never
 2008-09-10 20:44:47 -07:00
Vladimir Kozlov
659ca734bb 6706829: Compressed Oops: add debug info for narrow oops 
Add support for narrow oops in debug info to avoid decoding.

Reviewed-by: rasbold, never
 2008-09-10 18:23:32 -07:00
Vladimir Kozlov
63c98ed888 6746892: Register Allocator does not process a data phi with one unique input correctly 
Always look for the existing phi for a processed live_range.

Reviewed-by: rasbold
 2008-09-10 14:29:32 -07:00
Karen Kinnear
de1b872a4e Merge 2008-09-10 12:31:26 -04:00
Chuck Rasbold
647d4a829d Merge 2008-09-10 06:15:02 -07:00
Tom Rodriguez
ae1dc3db15 6746320: Hotspot regression test for 6512111 fails in -Xmixed mode 
Reviewed-by: kvn
 2008-09-09 12:56:51 -07:00
Vladimir Kozlov
8174b8b497 6676462: JVM sometimes would suddenly consume significant amount of memory 
Add asserts with dead loop checks in AddNode::Ideal().

Reviewed-by: never
 2008-09-05 13:33:55 -07:00
Erik Trimble
d971ab32c3 Merge 2008-09-04 18:40:43 -07:00
Erik Trimble
f76aa54270 6745064: Update Hotspot build number for HS14 
Bump build number for hs14-b04

Reviewed-by: jcoomes
 2008-09-04 18:40:08 -07:00
Jon Masamitsu
6358686351 6743059: Error in spaceDecorator.cpp "optimized" build 
Changed the guard on the definition of the method value in HeapWord from ASSERT to not PRODUCT.

Reviewed-by: iveresov, apetrusenko
 2008-09-04 14:49:08 -07:00
Chuck Rasbold
d1de009d84 Merge 2008-09-04 09:03:16 -07:00
Tom Rodriguez
29440e8636 6744422: incorrect handling of -1 in set_jump_destination 
Reviewed-by: rasbold
 2008-09-03 14:57:00 -07:00
Tom Rodriguez
3d9b153464 6738933: assert with base pointers must match with compressed oops enabled 
Reviewed-by: kvn, rasbold
 2008-09-02 15:03:05 -07:00
Coleen Phillimore
83e7d32161 6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page 
Turn off c2 implicit null checking on windows and large pages specified.

Reviewed-by: jrose, xlu
 2008-09-02 15:18:26 -04:00
Daniel D. Daugherty
b6b71da22d Merge 2008-09-02 08:30:41 -07:00
Chuck Rasbold
e4e8777d6b Merge 2008-09-02 06:55:23 -07:00
Andrei Pangin
1d328ffab8 Merge 2008-08-31 15:24:54 -07:00
Tom Rodriguez
aba715ae04 6732698: crash with dead code from compressed oops in gcm 
Reviewed-by: rasbold
 2008-08-28 23:03:55 -07:00
Poonam Bajaj
f47678e4ab Merge 2008-08-28 18:17:56 -07:00
Xiomara Jayasena
9da2b45a82 Added tag jdk7-b34 for changeset fff241969646 2008-08-28 11:05:17 -07:00
Chuck Rasbold
bdd62705f2 6611837: block frequency is zero 
Insert_goto_at should set frequency for newly created blocks

Reviewed-by: never
 2008-08-28 10:22:12 -07:00
Poonam Bajaj
b640b025c8 6731958: Include all the SA classes into sa-jdi.jar 
Sa-jdi.jar bundled with JDK should include all the SA classes.

Reviewed-by: swamyv
 2008-08-27 22:45:38 -07:00
Vladimir Kozlov
8ab0a4d7a9 6732732: CTW with EA: assert(n != 0L,"Bad immediate dominator info.") 
Missing edge to a call's return value in EA Connection Graph.

Reviewed-by: never
 2008-08-27 16:33:34 -07:00
John Coomes
99ff6e5eb2 6742207: jdk7 32-bit windows build failed running pack200 
6730514 inadvertently disabled perm gen expansion; reenable

Reviewed-by: ysr
 2008-08-27 15:41:58 -07:00
Vladimir Kozlov
3c4879eb9a 6741738: TypePtr::add_offset() set incorrect offset when the add overflows 
Set offset to OffsetBot when the add overflows in TypePtr::add_offset()

Reviewed-by: jrose, never
 2008-08-27 14:47:32 -07:00
Y. Srinivas Ramakrishna
d9929c525b Merge 2008-08-27 11:20:46 -07:00
Y. Srinivas Ramakrishna
86e3d89e57 Merge 2008-08-27 10:56:33 -07:00
Vladimir Kozlov
37306315b2 6736417: Fastdebug C2 crashes in StoreBNode::Ideal 
The result of step_through_mergemem() and remove_dead_region() is not checked in some cases.

Reviewed-by: never
 2008-08-27 09:15:46 -07:00
Tom Rodriguez
26c780da72 5108146: Merge i486 and amd64 cpu directories 
6459804: Want client (c1) compiler for x86_64 (amd64) for faster start-up

Reviewed-by: kvn
 2008-08-27 00:21:55 -07:00
Matthias Klose
2697216f3a 6741642: bad enum definition in ciTypeFlow.hpp 
Reviewed-by: rasbold, martin
 2008-08-26 15:49:40 -07:00
Y. Srinivas Ramakrishna
aa6165d767 6722116: CMS: Incorrect overflow handling when using parallel concurrent marking 
Fixed CMSConcMarkingTask::reset() to store the restart address upon a marking stack overflow and to use it as the base, suitably aligned, for restarting the scan in CMSConcMarkingTask::do_scan_and_mark().

Reviewed-by: jcoomes, tonyp
 2008-08-26 14:54:48 -07:00
Antonios Printezis
cd9045f4e8 6740930: G1: compilation failure with latest gcc 
Include DB fix to resolve a compilation issue with the latest gcc.

Reviewed-by: iveresov, ysr
 2008-08-26 00:46:03 -04:00
Xiaobin Lu
ec7f8bf1cb 6740526: sun/management/HotspotThreadMBean/GetInternalThreads.java test failed 
Reviewed-by: dholmes, dcubed
 2008-08-25 13:52:13 -07:00
Y. Srinivas Ramakrishna
5e6c038292 Merge 2008-08-25 12:16:34 -07:00
Igor Veresov
48d3ec1660 6735416: G1: runThese javasoft.sqe.tests.lang.thrd011.thrd01101.thrd01101 fails 
6622418: G1: assert(false,"Non-balanced monitor enter/exit!") fails

The mark-sweep compact (which we use for full gc) wrapper did not save the mark words for biased locked objects.  The fix is to trivially call the appropriate methods.

Reviewed-by: tonyp, ysr
 2008-08-22 11:48:25 -07:00
Antonios Printezis
70202307c0 Merge 2008-08-21 23:38:19 -04:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Chuck Rasbold
fe1d1630dc Merge 2008-08-21 05:49:06 -07:00
Jon Masamitsu
befe056b42 6728478: Assertion at parallel promotion from young to old generation 
The fix avoids a call to address_for_index() in this particular situation where it is not known if the passed index is in bounds.

Reviewed-by: tonyp
 2008-08-20 23:05:04 -07:00
Erik Trimble
a08096e862 Merge 2008-08-20 20:24:00 -07:00
Y. Srinivas Ramakrishna
6804a4e8ef 6739357: CMS: Switch off CMSPrecleanRefLists1 until 6722113 can be fixed 
Temporarily switch off the precleaning of Reference lists completely until related issues are fixed in 6722113.

Reviewed-by: jmasa, poonam, tonyp
 2008-08-20 15:41:36 -07:00
Andrei Pangin
f0d12afc79 Merge 2008-08-20 12:24:29 -07:00
Y. Srinivas Ramakrishna
b298e3e210 Merge 2008-08-20 11:23:58 -07:00
Y. Srinivas Ramakrishna
1d45ee2056 Merge 2008-08-20 01:30:32 -07:00
Antonios Printezis
b00baea4a1 6736341: PermGen size is insufficient for jconsole 
Removing two buggy methods that should not be used, but ended up being used due to a re-organization in the class hierarchy.

Reviewed-by: jmasa, ysr, kamg, coleenp
 2008-08-19 17:55:15 -04:00
Chuck Rasbold
ae4e755124 6730716: nulls from two unrelated classes compare not equal 
Check for not-nullness after proving that types are unrelated

Reviewed-by: kvn, never
 2008-08-19 07:25:02 -07:00
Andrei Pangin
059e448264 Merge 2008-08-19 06:02:07 -07:00
Tom Rodriguez
45f8e241e3 6732194: Data corruption dependent on -server/-client/-Xbatch 
Rematerializing nodes results in incorrect inputs

Reviewed-by: rasbold
 2008-08-18 23:17:51 -07:00
Xiaobin Lu
cf5e518aff 6459085: naked pointer subtractions in class data sharing code 
Reviewed-by: jcoomes
 2008-08-18 14:53:36 -07:00
Swamy Venkataramanappa
9129869b7b Merge 2008-08-15 12:05:41 -07:00
Xiaobin Lu
bf2763ee4e 6608862: segv in JvmtiEnvBase::check_for_periodic_clean_up() 
Reviewed-by: dholmes, dcubed, jcoomes
 2008-08-15 10:08:20 -07:00
Tomas Hurka
ff511fc3b1 Merge 2008-08-15 05:55:22 +02:00
Y. Srinivas Ramakrishna
57dabb4fcb 6722112: CMS: Incorrect encoding of overflown object arrays during concurrent precleaning 
When an object array overflows during precleaning, we should have been marking the entire array dirty, not just its first card.

Reviewed-by: jmasa, poonam, tonyp
 2008-08-14 17:58:35 -07:00
Tomas Hurka
27a4da4686 6625846: Export system property java.version via jvmstat 
Java.version added to property_counters_ss array

Reviewed-by: swamyv
 2008-08-14 21:05:51 +02:00
Kelly O'Hair
0e04930c24 6724668: Hotspot: Official change to Sun Studio 12 compilers on Solaris 
Moving to SS12. Builds with SS11 still work, the compiler comes from your PATH when building hotspot.

Reviewed-by: tbell
 2008-08-14 11:18:53 -07:00
Chuck Rasbold
1e49d39e6b 6732154: REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc 
Delay transform call until uses of t2 are constructed

Reviewed-by: never
 2008-08-14 10:15:29 -07:00
Xiomara Jayasena
932d8f3242 Added tag jdk7-b33 for changeset 58918025243a 2008-08-14 09:26:23 -07:00
Keith McGuigan
f60907fd0a 6736718: more copyright headers wrong 
Changed license headers to GPL

Reviewed-by: tonyp, rasbold
 2008-08-13 08:56:44 -04:00
Swamy Venkataramanappa
14b6adc782 6718125: SA: jmap prints negative size for MaxNewHeap 
Fixed printing of negative value for MaxNewHeap.

Reviewed-by: jjh
 2008-08-12 12:44:22 -07:00
Erik Trimble
6144fe8e3e 6735720: Bump the HS14 build number to 03 
Update Hotspot 14 build number to 03

Reviewed-by: jcoomes
 2008-08-10 21:58:54 -07:00
Erik Trimble
8242ae771a Merge 2008-08-10 21:31:42 -07:00
Erik Trimble
9d5ff382c1 Merge 2008-08-10 13:13:55 -07:00
Antonios Printezis
e2b3310cb6 6722565: G1: assert !r->is_on_unclean_list() fires 
Under certain circumstances, two cleanup threads can claim and process the same region.

Reviewed-by: apetrusenko, ysr
 2008-08-06 11:57:31 -04:00
Xiomara Jayasena
071bdf5302 Added tag jdk7-b32 for changeset 49e709107aec 2008-08-04 13:44:48 -07:00
Jon Masamitsu
b28ffeff6e Merge 2008-08-04 12:15:55 -07:00
Jon Masamitsu
b57ca9ed91 Merge 2008-08-04 12:11:36 -07:00
Erik Trimble
632c83fb46 6732819: Turn off compressed oops by default for now 
Workaround for CompOops bug

Reviewed-by: coleenp
 2008-08-01 18:51:27 -07:00
Xiaobin Lu
12198cdafd 6618886: Anonymous objects can be destructed immediately and so should not be used 
Reviewed-by: dholmes, kamg
 2008-08-01 15:18:14 -07:00
Xiaobin Lu
3da24841be 6719981: Update Hotspot Windows os_win32 for windows XP 64 bit and windows 2008 
Reviewed-by: dholmes, kamg
 2008-08-01 15:12:34 -07:00
Vladimir Kozlov
897278fce0 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") 
Fixed few addP node type and narrow oop type problems.

Reviewed-by: rasbold, never
 2008-08-01 10:06:45 -07:00
Daniel D. Daugherty
d748c0e679 Merge 2008-07-31 22:40:47 -07:00
Daniel D. Daugherty
64a14d6a9b Merge 2008-07-31 22:34:40 -07:00
Hiroshi Yamauchi
bea7a516fb 6731726: jmap -permstat reports only 50-60% of permgen memory usage 
Reviewed-by: swamyv, martin
 2008-07-31 18:50:37 -07:00
Vladimir Kozlov
5e94e3bf69 6732312: Switch off executing Escape Analysis by default 
Switch off executing Escape Analysis by default for now

Reviewed-by: rasbold
 2008-07-31 15:47:42 -07:00
Vladimir Kozlov
73379adb82 Merge 2008-07-31 13:42:21 -07:00
Daniel D. Daugherty
fe81f4fc03 Merge 2008-07-30 14:41:55 -07:00
Coleen Phillimore
d1eae8a7fe Merge 2008-07-30 15:06:29 -04:00
Jon Masamitsu
74b3de5c3b 6730514: assertion failure in mangling code when expanding by 0 bytes 
An expansion by 0 bytes was not anticipated when the assertion was composed.

Reviewed-by: jjh, jcoomes, apetrusenko
 2008-07-30 11:54:00 -07:00
Igor Veresov
09fd47bcef 6652160: G1: assert(cur_used_bytes == _g1->recalculate_used(),"It should!") at g1CollectorPolicy.cpp:1425 
In attempt_allocation_slow() wait for the concurrent cleanup to complete before modifying _summary_bytes_used.

Reviewed-by: jmasa, apetrusenko
 2008-07-30 10:45:52 -07:00
Vladimir Kozlov
6ff4206fe4 Merge 2008-07-30 09:54:21 -07:00
Chuck Rasbold
d35e1bbd88 6730192: expression stack wrong at deoptimization point 
Add safepoint before popping expression stack, not after

Reviewed-by: kvn
 2008-07-29 14:48:25 -07:00
Swamy Venkataramanappa
91e177bfd9 6710791: Remove files or build from source:maf-1_0.jar, jlfg-1_0.jar 
Removed maf-1_0.jar and jlfg-1_0.jar files.

Reviewed-by: poonam, jjh
 2008-07-29 13:54:27 -07:00
Vladimir Kozlov
50c4a23cac 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") 
Escape Analysis fixes.

Reviewed-by: never, rasbold
 2008-07-28 17:12:52 -07:00
Jon Masamitsu
b8633a3b01 Merge 2008-07-28 15:30:23 -07:00
Keith McGuigan
74faacc945 6721093: -XX:AppendRatio=N not supported 
Add mechanism to ignore unsupported flags for a set period of time

Reviewed-by: acorn, never, coleenp
 2008-07-28 14:07:44 -04:00
Vladimir Kozlov
2d1fcda0d7 6729552: jvm98 crashes with SS12 built jdk on Solaris X64 fastdebug version 
SS12 C++ tripped over new templates usage in instanceKlass.cpp.

Reviewed-by: never
 2008-07-25 16:03:40 -07:00
Tom Rodriguez
20de63f383 6700047: C2 failed in idom_no_update 
Partial peeling shouldn't place clones into loop

Reviewed-by: kvn
 2008-07-25 15:54:23 -07:00
Tom Rodriguez
7b4a7f7bdc 6712835: Server compiler fails with assertion (loop_count < K,"infinite loop in PhaseIterGVN::transform") 
Reviewed-by: kvn
 2008-07-25 11:32:56 -07:00
Erik Trimble
1de8ce55c1 Merge 2008-07-25 11:29:03 -07:00
Tom Rodriguez
97c80b8c84 6717457: Internal Error (src/share/vm/code/relocInfo.hpp:1089) 
Reviewed-by: kvn
 2008-07-25 09:07:29 -07:00
Chuck Rasbold
fcbf2d1245 6726504: handle do_ifxxx calls in parser more uniformly 
Make do_ifnull() handling similar to do_if()

Reviewed-by: jrose, kvn
 2008-07-21 13:37:05 -07:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops 
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
 2008-07-19 17:38:22 -04:00
Xiomara Jayasena
c04b76a222 Added tag jdk7-b31 for changeset e1baa9c8f16f 2008-07-17 11:28:34 -07:00
Igor Veresov
1193f0f9db 6723228: NUMA allocator: assert(lgrp_id != -1, "No lgrp_id set") 
6723229: NUMA allocator: assert(lgrp_num > 0, "There should be at least one locality group")

The fix takes care of the assertion triggered during TLAB resizing after reconfiguration. Also it now handles a defect in the topology graph, in which a single leaf node doesn't have memory.

Reviewed-by: jmasa
 2008-07-17 10:26:33 -07:00
Vladimir Kozlov
fae39068e8 6723160: Nightly failure: Error: meet not symmetric 
Add missing _instance_id settings and other EA fixes.

Reviewed-by: rasbold
 2008-07-16 16:04:39 -07:00
Chuck Rasbold
a8fc1db8c1 6707044: uncommon_trap of ifnull bytecode leaves garbage on expression stack 
Remove call to repush_if_args()

Reviewed-by: kvn, jrose
 2008-07-16 10:08:57 -07:00
Igor Veresov
e9e432633b 6720130: NUMA allocator: The linux version should search for libnuma.so.1 
Search for libnuma.so.1 on Linux and liblgrp.so.1 on Solaris.

Reviewed-by: jmasa
 2008-07-14 04:12:47 -07:00
John Coomes
26625ab7f5 6724367: par compact could clear less young gen summary data 
Reviewed-by: jmasa, apetrusenko
 2008-07-11 16:11:50 -07:00
John Coomes
038a30dde3 6483129: par compact assertion failure (new_top > bottom) 
Avoid computing the dense prefix if a space is empty

Reviewed-by: pbk, tonyp
 2008-07-11 16:11:43 -07:00
John Coomes
398aa66a77 6718283: existing uses of *_FORMAT_W() were broken by 6521491 
Reviewed-by: ysr, pbk
 2008-07-11 16:11:34 -07:00
Vladimir Kozlov
c5b951e990 Merge 2008-07-11 12:19:29 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Igor Veresov
2703662478 6723570: G1: assertion failure: p == current_top or oop(p)->is_oop(),"p is not a block start" (revisited!) 
Fixed the incorrect assigment to G1OffsetTableContigSpace::_gc_time_stamp. Also added a little more paranoia to operations on a global timestamp.

Reviewed-by: tonyp
 2008-07-10 09:29:54 -07:00
Jon Masamitsu
18dbebd143 6672698: mangle_unused_area() should not remangle the entire heap at each collection 
Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.

Reviewed-by: ysr, apetrusenko
 2008-07-09 15:08:55 -07:00
Kelly O'Hair
cb53036f17 Merge 2008-07-08 15:46:31 -07:00
Kelly O'Hair
16cd6c7922 6723762: Fix shell command that gets java version (uses 2>1) 
Reviewed-by: pbk
 2008-07-08 15:23:04 -07:00
Vladimir Kozlov
696e17c0ba 6684714: Optimize EA Connection Graph build performance 
Switch on EA by default, optimize Connection Graph construction

Reviewed-by: rasbold, never
 2008-07-03 18:02:47 -07:00
Xiomara Jayasena
63688d86ae Added tag jdk7-b30 for changeset ddf3e9583f2f 2008-07-03 11:01:32 -07:00
Kelly O'Hair
3ec1c6f108 6695777: Queens.class should be built from source, not put in source repo 
Reviewed-by: kvn
 2008-07-03 10:46:50 -07:00
Igor Veresov
07198ddeda 6702387: G1: assertion failure: assert(p == current_top || oop(p)->is_oop(),"p is not a block start") 
Do not coalesce dead and moved objects when removing self-forwarding pointers during the evacuation failure. Also fixed a issue in a BOT refinement code for TLABs.

Reviewed-by: tonyp, jcoomes
 2008-07-03 03:17:29 -07:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Coleen Phillimore
2a68d0757b Merge 2008-07-02 15:38:47 -04:00
Y. Srinivas Ramakrishna
74ee57a572 Merge 2008-07-01 11:59:44 -07:00
Y. Srinivas Ramakrishna
d44be8e3a0 6618726: Introduce -XX:+UnlockExperimentalVMOptions flag 
Experimental() flags will protect features of an experimental nature that are not supported in the regular product build. Made UseG1GC an experimental flag.

Reviewed-by: jmasa, kamg, coleenp
 2008-06-30 17:04:59 -07:00
Erik Trimble
0d9452401c Merge 2008-06-27 19:12:11 -07:00
Coleen Phillimore
289ca864cd Merge 2008-06-27 18:19:29 -04:00
Tom Rodriguez
d497f81f84 Merge 2008-06-27 11:11:27 -07:00
Xiaobin Lu
2c9fd9172b 6718830: Hotspot fails to build with gcc 4.3 
Fixed linux make file and couple adlc code to meet the changes of gcc 4.3

Reviewed-by: kamg, igor
 2008-06-26 14:15:01 -07:00
Vladimir Kozlov
4213e62fb7 6716441: error in meet with +DoEscapeAnalysis 
Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.

Reviewed-by: jrose, never
 2008-06-26 13:34:00 -07:00
Y. Srinivas Ramakrishna
a0b0fb42fd 6718811: Mismerge of 6680469:macro.cpp 
Fixed the mismerge by deleting the lines that were inadvertently left in place.

Reviewed-by: iveresov
 2008-06-26 11:43:34 -07:00
Swamy Venkataramanappa
510a97ebed 6620329: jstack prints double native methods on Solaris/sparc 
Fixed stack walking code in sparc to start frame walk from last_java_sp.

Reviewed-by: sgoldman
 2008-06-24 21:37:10 -07:00
Xiaobin Lu
1755a59451 6717128: Using relative path for ALT_OUTPUTDIR does not work properly 
Import the absolute output directory when launching sub make process and avoid including defs.make in rules.make

Reviewed-by: kamg, kvn
 2008-06-24 16:52:31 -07:00
Tom Rodriguez
873da1efe8 6718676: putback for 6604014 is incomplete 
Reviewed-by: kvn, jrose
 2008-06-24 16:00:14 -07:00
Y. Srinivas Ramakrishna
f521ab4f1a Merge 2008-06-24 13:20:34 -07:00
Vladimir Kozlov
a671e7c7b5 6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode 
Remove DecodeNNode::decode() and EncodePNode::encode() methods.

Reviewed-by: rasbold, never
 2008-06-24 10:43:29 -07:00
Tom Rodriguez
2d64a7a369 6604014: add support for ideal graph visualizer 
Reviewed-by: kvn, jrose
 2008-06-23 18:21:18 -07:00
Y. Srinivas Ramakrishna
b6c292d65d 6718086: CMS assert: _concurrent_iteration_safe_limit update missed 
Initialize the field correctly in ContiguousSpace's constructor and initialize() methods, using the latter for the survivor spaces upon initial construction or a subsequent resizing of the young generation. Add some missing Space sub-class constructors.

Reviewed-by: apetrusenko
 2008-06-23 16:49:37 -07:00
Shrinivas Joshi
5106cf17a3 6708714: Optimize long LShift on 32-bits x86 
For small (1-3 bits) left long shifts in 32-bits VM use sets of add+addc instructions instead of shld+shl on new AMD cpus.

Reviewed-by: never
 2008-06-23 14:11:12 -07:00
Poonam Bajaj
1f819855d5 6694099: Hotspot vm_exit_out_of_memory should dump core 
This fix enables the generation of core file when process runs out of C-heap.

Reviewed-by: sbohne
 2008-06-22 20:07:58 -07:00
Tom Rodriguez
d69fdc9d5b Merge 2008-06-21 10:03:31 -07:00
John Coomes
f719ed43a0 Merge 2008-06-20 13:59:55 -07:00
Erik Trimble
f457ac179a 6717462: Update build number for HS14 B01 
Change Hotspot version and build number for opening of HS14

Reviewed-by: jcoomes
 2008-06-20 11:47:53 -07:00
Vladimir Kozlov
0a077d276e 6715633: when matching a memory node the adr_type should not change 
Verify the adr_type of a mach node was not changed

Reviewed-by: rasbold, never
 2008-06-20 11:10:05 -07:00
Vladimir Kozlov
694776b297 6714694: assertion in 64bit server vm (store->find_edge(load) != -1,"missing precedence edge") with COOPs 
The method raise_LCA_above_marks() terminates LCA search early.

Reviewed-by: rasbold, never
 2008-06-20 10:17:09 -07:00
Xiomara Jayasena
915e0d1ee4 Added tag jdk7-b29 for changeset 3c247f90db8c 2008-06-20 08:44:58 -07:00
Daniel D. Daugherty
406292fee7 Merge 2008-06-19 09:59:52 -07:00
Lev Serebryakov
77e87e05ad Merge 2008-06-19 06:02:20 -07:00
John Coomes
93584b3060 6676016: ParallelOldGC leaks memory 
Ensure that GCTask threads release resource and handle memory

Reviewed-by: jmasa, chrisphi
 2008-06-18 18:36:47 -07:00
Erik Trimble
97a1041327 Merge 2008-06-17 15:27:05 -07:00
Kumar Srinivasan
69eb2b72c6 6714758: hotspot: provide an entry point to the BootStrap Class loader[dholmes,acorn] 
Adds JVM_FindClassFromBootLoader entry point, for jdk's use

Reviewed-by: dholmes, acorn
 2008-06-17 13:08:15 -07:00
Tom Rodriguez
31d647daea Merge 2008-06-17 11:32:42 -07:00
Xiaobin Lu
cb8502a58c 6681796: hotspot build failure on gcc 4.2.x (ubuntu 8.04) w/ openjdk 6 
Fixed the cast from char* to const char* and tried to use const char* as much as possible

Reviewed-by: never, kamg
 2008-06-17 09:59:59 -07:00
Daniel D. Daugherty
41e5133d1b Merge 2008-06-17 09:33:34 -07:00
Y. Srinivas Ramakrishna
c201c739e4 Merge 2008-06-17 08:40:48 -07:00
Daniel D. Daugherty
b532bd21dc Merge 2008-06-16 13:38:17 -07:00
Daniel D. Daugherty
ac37ae8c22 Merge 2008-06-14 21:53:42 -07:00
Vladimir Kozlov
6978df8f5d 6714406: Node::dominates() does not always check for TOP 
Add missed checks for TOP and missed checks for non-dominating cases

Reviewed-by: rasbold, jrose, never
 2008-06-13 15:08:56 -07:00
Kelly O'Hair
20fcec5d31 Merge 2008-06-13 14:53:24 -07:00
Kelly O'Hair
aed0736fe3 6714043: Minor fix to SS12 makefile changes 
Reviewed-by: sspitsyn
 2008-06-13 14:52:30 -07:00
Vladimir Kozlov
afbdf29629 6714404: Add UseStringCache switch to enable String caching under AggressiveOpts 
Poke String.stringCacheEnabled during vm initialization

Reviewed-by: never
 2008-06-13 14:49:07 -07:00
Tom Rodriguez
9a3b5642cf 6697238: missing dependencies for precompiled headers with platform dependent includes 
Reviewed-by: kvn
 2008-06-12 16:13:01 -07:00
Jon Masamitsu
d5ded29055 Merge 2008-06-12 14:23:34 -07:00
Y. Srinivas Ramakrishna
07ef2f8f38 Merge 2008-06-12 14:02:35 -07:00
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
Tom Rodriguez
b381148ebe 6697236: missing Identity for "(X+Y) - X" into Y 
Reviewed-by: kvn
 2008-06-12 09:47:55 -07:00
Igor Veresov
a82afd549a 6710665: G1: guarantee(_cm->out_of_regions() && _cm->region_stack_empty() && _task_queue->size() == 0, ...) 
Remove the incorrect assumptions from guarantee()s.

Reviewed-by: ysr, tonyp
 2008-06-11 05:12:19 -07:00
Xiaobin Lu
98b9988c29 6647068: libjvm.so is not built PIC 
Remove the preferred base address built with libjvm.so and unified the PIC approach on Solaris & Linux.

Reviewed-by: never, kamg
 2008-06-10 16:39:20 -07:00
John Coomes
762f7c8f2b Merge 2008-06-10 11:14:27 -07:00
Xiomara Jayasena
2885519cea Added tag jdk7-b28 for changeset 4fffe2012767 2008-06-10 10:22:49 -07:00
Tom Rodriguez
01130cd21c Merge 2008-06-10 09:57:24 -07:00
Jon Masamitsu
0568ea9ed4 6688799: Second fix for Guarantee failure "Unexpected dirty card found" 
Expand cardtable without committing over existing regions.

Reviewed-by: apetrusenko
 2008-06-10 07:26:42 -07:00
Coleen Phillimore
a2d6036a4d 6687581: Make CMS work with compressed oops 
Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.

Reviewed-by: ysr, jmasa
 2008-06-09 11:51:19 -04:00
Igor Veresov
ed4e9a5d5c 6711930: NUMA allocator: ParOld can create a hole less than minimal object size in the lgrp chunk 
The fix takes care of three issues that can create a hole less a minimal object in the lgrp chunk

Reviewed-by: ysr, apetrusenko
 2008-06-09 07:18:59 -07:00
Tom Rodriguez
2144ccf2f1 Merge 2008-06-06 14:34:24 -07:00
Chuck Rasbold
4cce21039e 6711701: disable compressed oops by default 
Comment out code that turns on compressed oops

Reviewed-by: never, phh
 2008-06-06 11:47:26 -07:00
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
Tom Rodriguez
4760698435 6614100: EXCEPTION_ACCESS_VIOLATION while running Eclipse with 1.6.0_05-ea 
Reviewed-by: kvn, jrose, rasbold
 2008-06-05 21:44:53 -07:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00
Tom Rodriguez
952b45f6b6 6711083: 64bit JVM crashes with Internal Error (type.cpp:763) - ShouldNotReachHere() with enabled COOPs 
Add NarrowOop to various xmeet routines

Reviewed-by: kvn, sgoldman, jrose, rasbold
 2008-06-05 15:43:18 -07:00
Coleen Phillimore
1562d78080 6695819: verify_oopx rax: broken oop in decode_heap_oop 
Code in gen_subtype_check was encoding rax as an oop on a path where rax was not an oop.

Reviewed-by: never, kvn
 2008-06-05 17:02:54 -04:00
Vladimir Kozlov
dbdeade3b7 6709093: Compressed Oops: reduce size of compiled methods 
Exclude UEP size from nmethod code size and use narrow klass oop to load prototype header.

Reviewed-by: jrose, never
 2008-06-05 13:02:51 -07:00
Tom Rodriguez
54eeffff83 6709165: Tests hang or misbahve with HS 13.0-b01 on solaris-sparcv9 
Reviewed-by: kvn, jrose
 2008-06-04 21:56:27 -07:00
Vladimir Kozlov
00bce59c67 6710654: SAJDI failures with Compressed Oops 
Use correct offset for the java.lang.Class _klass field in SA.

Reviewed-by: jrose, never
 2008-06-04 14:03:48 -07:00
Jon Masamitsu
39463bb3fc 6629727: assertion in set_trap_state() in methodDataOop.hpp is too strong 
The assertion can failure due to race conditions.

Reviewed-by: never
 2008-06-04 13:51:09 -07:00
Chuck Rasbold
1f0f6c2277 Merge 2008-06-03 15:38:31 -07:00
Chuck Rasbold
d10912d513 6709972: runThese failed with assert(false,"bad AD file") 
Guard AryEqNode construction with has_match_rule() test, set SpecialArraysEquals default off

Reviewed-by: kvn, never
 2008-06-03 13:14:44 -07:00
Erik Trimble
835c7a9ddb 6709213: Update Build number for HS13 b02 
Bump up build number to 02

Reviewed-by: jcoomes
 2008-05-30 14:50:19 -07:00
Erik Trimble
694a069581 Merge 2008-05-30 14:31:11 -07:00
Chuck Rasbold
8f5e42a671 Merge 2008-05-30 07:22:22 -07:00
Igor Veresov
7f2d0f1318 Merge 2008-05-30 03:53:31 -07:00
Chuck Rasbold
2e672ac9bf 6695049: (coll) Create an x86 intrinsic for Arrays.equals 
Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
 2008-05-29 16:22:09 -07:00
Vladimir Kozlov
a1f50998ae 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops 
Generate addresses and implicit null checks with narrow oops to avoid decoding.

Reviewed-by: jrose, never
 2008-05-29 12:04:14 -07:00
Keith McGuigan
319d956145 6706604: Copyright headers need to be changed to GPL 
Update the copyrights

Reviewed-by: ohair
 2008-05-29 14:06:30 -04:00
Coleen Phillimore
646ceb4a45 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC 
Decouple set_klass() with zeroing the gap when compressed.

Reviewed-by: kvn, ysr, jrose
 2008-05-28 21:06:24 -07:00
Andrew Hughes
1f9e095ee3 6707485: bytecodeInterpreterWithChecks.xsl is malformed 
Xsl output tag not at top level

Reviewed-by: never, kvn, rasbold
 2008-05-28 12:42:34 -07:00
Kelly O'Hair
f73b1b78d7 6703308: Fix jprt.properties to allow for jdk6 and jdk7 builds 
Allows for jprt submit -release option to select jdk version and proper build targets.

Reviewed-by: jcoomes
 2008-05-28 10:16:33 -07:00
Jon Masamitsu
831ee085f0 6706662: Remove workaround introduced in fix for 6624782 
Remove workaround compiler options for instanceKlass.cpp and objArrayKlass.cpp.

Reviewed-by: ysr, jcoomes
 2008-05-27 11:46:44 -07:00
Kelly O'Hair
5d322a1edf 6563752: Build and test JDK7 with Sun Studio 12 Express compilers (prep makefiles) 
Allows for building with SS12, no longer requires SS11, warns if not SS11 for now. Once SS12 is validated and performance measurements look ok, SS12 will be the validated compiler.

Reviewed-by: sspitsyn, ikrylov
 2008-05-27 09:47:18 -07:00
Keith McGuigan
c966634470 6705523: Fix for 6695506 will violate spec when used in JDK6 
Make max classfile version number dependent on JDK version

Reviewed-by: acorn, never
 2008-05-22 13:03:52 -04:00
Xiomara Jayasena
6346f4b62b Added tag jdk7-b27 for changeset 9ba36c07dcee 2008-05-22 09:37:40 -07:00
Vladimir Kozlov
e53e767d88 6703888: Compressed Oops: use the 32-bits gap after klass in a object 
Use the gap also for a narrow oop field and a boxing object value.

Reviewed-by: coleenp, never
 2008-05-21 16:31:35 -07:00
Vladimir Kozlov
76035424de 6703890: Compressed Oops: add LoadNKlass node to generate narrow oops (32-bits) compare instructions 
Add LoadNKlass and CMoveN nodes, use CmpN and ConN nodes to generate narrow oops compare instructions.

Reviewed-by: never, rasbold
 2008-05-21 13:46:23 -07:00
Vladimir Kozlov
757229db71 6695810: null oop passed to encode_heap_oop_not_null 
Fix several problems in C2 related to Escape Analysis and Compressed Oops.

Reviewed-by: never, jrose
 2008-05-21 10:45:07 -07:00
Erik Trimble
e5e433a94c Merge 2008-05-20 19:50:32 -07:00
Daniel D. Daugherty
7c478e3028 Merge 2008-05-20 09:47:05 -07:00
Chuck Rasbold
dbf60cec88 Merge 2008-05-20 06:32:58 -07:00
Daniel D. Daugherty
e03f944292 Merge 2008-05-16 13:42:07 -07:00
Vladimir Kozlov
60c74ba115 6701887: JDK7 server VM in endless loop in Node::dominates 
The method Node::dominates loops in the dead code which does not have a Region node.

Reviewed-by: jrose, never
 2008-05-15 22:43:11 -07:00
Vladimir Kozlov
9bcba384cb 6700102: c2 assertion "counter_changed,"failed dependencies, but counter didn't change")" with AggressiveOpts 
Bytecode Escape Analyzer does not have the check for the case described in 6389127.

Reviewed-by: never
 2008-05-15 22:40:43 -07:00
Chuck Rasbold
3d93819395 Merge 2008-05-14 15:01:08 -07:00
John R Rose
3a4ea9a986 6701024: SAJDI functionality is broken 
Back out sa-related changes to 6652736, use concrete expressions for WKK names in the SA

Reviewed-by: never, sundar
 2008-05-14 00:41:06 -07:00
Daniel D. Daugherty
a55c15f436 Merge 2008-05-09 09:11:34 -07:00
Daniel D. Daugherty
a2a49ae8de 6670684: 4/5 SA command universe did not print out CMS space information 
Forward port of Yumin's fix for 6670684 from HSX-11; Yumin verified the port was correct.

Reviewed-by: dcubed
 2008-05-09 08:55:13 -07:00
Igor Veresov
1689a5ecba 6697534: Premature GC and invalid lgrp selection with NUMA-aware allocator 
Don't move tops of the chunks in ensure_parsibility(). Handle the situation with Solaris when a machine has a locality group with no memory.

Reviewed-by: apetrusenko, jcoomes, ysr
 2008-05-09 16:34:08 +04:00
Chuck Rasbold
2cd3a90782 Merge 2008-05-09 05:26:59 -07:00
Chuck Rasbold
72313bcf20 6603011: RFE: Optimize long division 
Transform long division by constant into multiply

Reviewed-by: never, kvn
 2008-05-07 08:06:46 -07:00
Y. Srinivas Ramakrishna
9b2d755745 6662086: 6u4+, 7b11+: CMS never clears referents when -XX:+ParallelRefProcEnabled 
Construct the relevant CMSIsAliveClosure used by CMS during parallel reference processing with the correct span. It had incorrectly been constructed with an empty span, a regression introduced in 6417901.

Reviewed-by: jcoomes
 2008-05-06 15:37:36 -07:00
Igor Veresov
035662396c Merge 2008-05-04 03:29:31 -07:00
Steve Bohne
92cdc5a2e2 Merge 2008-05-02 08:22:11 -07:00
Steve Bohne
4cfac3990e Merge 2008-05-01 09:38:23 -04:00
Keith McGuigan
0bbb786728 6695506: JVM should accept classfiles with classfile version 51 
Increase class file parser's acceptable max to 51

Reviewed-by: sbohne, ikrylov
 2008-04-30 10:58:37 -04:00
John R Rose
bb7ccea4ff 6652736: well known classes in system dictionary are inefficiently processed 
Combine many scalar variables into a single enum-indexed array in SystemDictionary.

Reviewed-by: kvn
 2008-04-29 19:45:22 -07:00
John R Rose
b05f95c5a9 6695288: runThese tests expr30303 and drem00301m1 fail when compiled code executes without deopt 
Rework Value method for ModD and ModF, to DTRT for infinities

Reviewed-by: sgoldman, kvn, rasbold
 2008-04-29 19:40:51 -07:00
Coleen Phillimore
aee4bafd9b 6689523: max heap calculation for compressed oops is off by MaxPermSize 
Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on.

Reviewed-by: jmasa, jcoomes, kvn
 2008-04-29 19:31:29 -04:00
Keith McGuigan
e6afe110b8 6692246: Regression : JDK 6u4 b01 fails two JCK tests when fallback is switched off 
Added a clause to allow null to be an operand to the arraylength bytecode

Reviewed-by: sbohne, coleenp
 2008-04-29 11:21:51 -04:00
Chuck Rasbold
e062de361a Merge 2008-04-29 06:52:16 -07:00
Igor Veresov
a24f915b60 6684395: Port NUMA-aware allocator to linux 
NUMA-aware allocator port to Linux

Reviewed-by: jmasa, apetrusenko
 2008-04-29 13:51:26 +04:00
Chuck Rasbold
cf2288b223 Merge 2008-04-28 08:08:12 -07:00
Chuck Rasbold
088cd1203f 6646019: array subscript expressions become top() with -d64 
Stop compilation after negative array allocation

Reviewed-by: never, jrose
 2008-04-24 14:02:13 -07:00
Xiomara Jayasena
0584538555 Added tag jdk7-b26 for changeset a00cf1fc28a8 2008-04-24 12:12:10 -07:00
Paul Hohensee
81c6ccf729 6693457: Open-source hotspot linux-sparc support 
Move os_cpu/linux_sparc from closed to open

Reviewed-by: kamg
 2008-04-24 15:07:57 -04:00
Tom Rodriguez
6f63c6e88b 6663848: assert(i < Max(),"oob") in C2 with -Xcomp 
NeverBranchNodes aren't handled properly

Reviewed-by: kvn, sgoldman, rasbold, jrose
 2008-04-24 11:13:03 -07:00
Vladimir Kozlov
4e3444d0ce 6625997: CastPP, CheckCastPP and Proj nodes are not dead loop safe 
EA and initialization optimizations could bypass these nodes.

Reviewed-by: rasbold, never
 2008-04-23 19:09:16 -07:00
Tom Rodriguez
041877583d 6601321: Assert(j == 1 || b->_nodes[j-1]->is_Phi(),"CreateEx must be first instruction in block") 
Reviewed-by: kvn, rasbold, sgoldman, jrose
 2008-04-23 13:57:14 -07:00
Vladimir Kozlov
69155d87f9 6689060: Escape Analysis does not work with Compressed Oops 
64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)

Reviewed-by: never, sgoldman
 2008-04-23 11:20:36 -07:00
Keith McGuigan
14e50a456b Merge 2008-04-23 06:35:28 -04:00
Erik Trimble
0940e9760b Merge 2008-04-22 15:36:18 -07:00
Keith McGuigan
15a1776a30 Merge 2008-04-18 07:51:43 -04:00
Keith McGuigan
f072bc9d3f 6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes 
Initial checkin of JSDT code

Reviewed-by: acorn, sbohne
 2008-04-17 22:18:15 -04:00
Erik Trimble
15b006b37c 6690518: Bump Version to 13 B01 
Change Hotspot version and build number for 13b1

Reviewed-by: pbk
 2008-04-17 16:29:42 -07:00
Volker Simonis
8ece15fd05 6688137: c++ interpreter fails on 64bit sparc 
Misc. 64bit and endian fixes for sparc

Reviewed-by: never, kvn, rasbold
 2008-04-17 07:16:03 -07:00
Vladimir Kozlov
df8fc19aac 6686791: Side effect in NumberFormat tests with -server -Xcomp 
Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().

Reviewed-by: jrose, sgoldman
 2008-04-16 19:19:48 -07:00
John Coomes
fe31c02053 6689788: Bump HSX12 build version number 
Update HSX12 build number to 03

Reviewed-by: kvn
 2008-04-16 15:34:39 -07:00
Chuck Rasbold
997563be5d Merge 2008-04-16 14:55:36 -07:00
Keith McGuigan
849e0dfc44 6622385: Accessing protected static methods 
Protected contraints should only be applied if member is not static

Reviewed-by: acorn, coleenp
 2008-04-16 17:36:29 -04:00
Andrey Petrusenko
f784be24d1 Merge 2008-04-16 12:58:03 +04:00
Keith McGuigan
cdc93ea431 Merge 2008-04-15 18:11:33 -04:00
Vladimir Kozlov
e4c9ea9e2d 6692301: Side effect in NumberFormat tests with -server -Xcomp 
Optimization in CmpPNode::sub() removed the valid compare instruction because of false positive answer from detect_dominating_control().

Reviewed-by: jrose, sgoldman
 2008-04-15 10:49:32 -07:00
Andrey Petrusenko
5b3080922d Merge 2008-04-14 08:29:41 -07:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
 2008-04-13 17:43:42 -04:00
Keith McGuigan
680ecf1611 Merge 2008-04-11 09:56:35 -04:00
Steve Goldman
4230ecea86 6644928: Internal Error (src/share/vm/code/relocInfo.hpp:1089) 
Cardtable base can be zero, ExternalAddress can't take a NULL.
 2008-04-11 06:18:44 -07:00
Steve Bohne
7ea0891458 6692235: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0 
Stack allocated VM_EnableBiasedLocking op must be marked as such

Reviewed-by: xlu, acorn, never, dholmes
 2008-04-10 15:49:29 -04:00
Steve Bohne
0b3a154bf3 6686407: Fix for 6666698 broke -XX:BiasedLockingStartupDelay=0 
Stack allocated VM_EnableBiasedLocking op must be marked as such

Reviewed-by: xlu, acorn, never, dholmes
 2008-04-10 15:49:16 -04:00
Keith McGuigan
81475bf1a6 6615981: JVM class file parser incorrectly rejects class files with version < 45.2 
A check on Code length did not take into account the old sizes of the max_stack, max_locals, and code_length.

Reviewed-by: phh, sbohne
 2008-04-10 12:21:01 -04:00
Chuck Rasbold
87c524d47e Merge 2008-04-09 15:10:22 -07:00
Keith McGuigan
c8e6b3d60b 6583644: Move all managed/SCCS files out of 'build' into 'make' directory 
Moved makefiles out of build and build/closed into make/

Reviewed-by: kvn, ohair
 2008-04-09 14:22:48 -04:00
Xiomara Jayasena
86c8eed0db Added tag jdk7-b25 for changeset 408b55da75b0 2008-04-09 11:18:58 -07:00
Chuck Rasbold
ba411c2466 6684385: Loop unswitching crashes without LoopNode 
Without LoopNode, exit early from loop unswitching and partial peeling

Reviewed-by: kvn, never, sgoldman
 2008-04-09 09:25:45 -07:00
Keith McGuigan
d63c022d94 Merge 2008-04-09 10:38:30 -04:00
Y. Srinivas Ramakrishna
8b3a19628f 6685160: fix cscope build with hg 
Use hg's fstatus instead of teamware's nametable to trigger cscope database rebuild

Reviewed-by: jcoomes, kamg
 2008-04-08 12:10:35 -07:00
Steve Goldman
c89e39d40a 6603919: Stackwalking crash on x86 -server with Sun Studio's collect -j on 
Rewrite frame::safe_for_sender and friends to be safe for collector/analyzer

Reviewed-by: dcubed, kvn
 2008-04-08 12:23:15 -04:00
Chuck Rasbold
bfbfdfa428 6663908: NegativeArraySizeException is not thrown 
Don't optimize zero length array allocations at compile time.

Reviewed-by: kvn, never
 2008-04-07 15:15:16 -07:00
Andrey Petrusenko
0ae0691490 Merge 2008-04-07 09:32:49 -07:00
Keith McGuigan
dcfe7d7fc6 Merge 2008-04-04 10:48:43 -04:00
Tom Rodriguez
3093e354db 6646020: assert(in_bb(n),"must be in block") in -Xcomp mode 
Reviewed-by: kvn, rasbold
 2008-04-03 21:26:03 -07:00
Chuck Rasbold
21dbe47a30 6624474: Server compiler generates unexpected LinkageError 
Fix load_signature_classes to tolerate LinkageErrors

Reviewed-by: kvn, never
 2008-04-03 13:33:13 -07:00
Xiaobin Lu
3bc5120d53 6671882: memory access after free in solaris/vm/os_solaris.cpp 
Corrected the wrong memory access problem and made some minor clean ups

Reviewed-by: dholmes, jcoomes
 2008-04-03 12:21:06 -07:00
Tom Rodriguez
89290f2817 6619271: The -Xprintflags causes the VM to segv 
Add null checks

Reviewed-by: jrose, kvn
 2008-04-03 10:20:44 -07:00
Chuck Rasbold
1659f11da6 Merge 2008-04-03 06:41:16 -07:00
Vladimir Kozlov
ccaa58c5db 6681577: PIT: some VM tests fails with -XX:+AggressiveOpts in 6u5p b01 
C2 spends > 60% in escape analysis code during test nsk/regression/b4675027.

Reviewed-by: never
 2008-04-02 16:59:37 -07:00
John R Rose
0d27a8639f 6667042: PrintAssembly option does not work without special plugin 
Remove old private plugin interface, simplify, rework old plugin to use unchanged Gnu sources

Reviewed-by: kvn, rasbold
 2008-04-02 12:09:59 -07:00
Vladimir Kozlov
659a8dc7d5 6681646: Relocking of a scalar replaced object during deoptimization is broken 
Relocking of a thread-local object during deoptimization is broken

Reviewed-by: kbr, jrose, never
 2008-04-01 16:14:18 -07:00
Andrey Petrusenko
252a10cf1a 6539517: CR 6186200 should be extended to perm gen allocation to prevent spurious OOM's from perm gen 
Reviewed-by: ysr, jmasa
 2008-04-01 15:13:47 +04:00
Vladimir Kozlov
833746644c 6682236: C2 hits ideal nodes limit during IGVN optimization with EA 
Missing check in LoadNode::Ideal() causes infinite generation of a value Phi.

Reviewed-by: jrose, never
 2008-03-31 18:37:36 -07:00
Tom Rodriguez
1a350ad182 6636352: Unit tests for supplementary character support fail with -XX:+AggressiveOpts 
Incorrect encoding

Reviewed-by: kvn, rasbold, sgoldman, jrose
 2008-03-31 16:22:52 -07:00
John Coomes
b63d2cdd27 6679422: networkStream::connect() in ostream.cpp is not 64-bit clean 
Reviewed-by: jmasa, xlu
 2008-03-28 23:35:42 -07:00
John Coomes
5ac01e984f 6642862: Code cache allocation fails with large pages after 6588638 
Reviewed-by: apetrusenko
 2008-03-28 23:35:42 -07:00
Vladimir Kozlov
2ea233816f 6680665: bytecode Escape Analyzer produces incorrect escape information for methods without oop arguments 
BcEscapeAnalyzer does not analyze methods with no oop arguments.

Reviewed-by: rasbold
 2008-03-28 11:52:29 -07:00
Tom Rodriguez
0530e0d854 6680594: Load + Load isn't canonicalized leading to missed GVN opportunities 
Reviewed-by: kvn, jrose
 2008-03-28 09:00:39 -07:00
Antonios Printezis
6bfbc36dcd Merge 2008-03-27 17:22:06 -07:00
Vladimir Kozlov
fb63e29743 6679854: assert in escape.cpp:397 
The assert misses the case CastX2P 'base' for an unsafe field reference

Reviewed-by: never, jrose
 2008-03-27 09:12:54 -07:00
Tom Rodriguez
50bc5573a8 6679708: No_Safepoint_Verifier and BacktraceBuilder have uninitialized fields 
Fix or remove uninitialized fields

Reviewed-by: kvn, rasbold
 2008-03-26 12:25:06 -07:00
Chuck Rasbold
446895de2d Merge 2008-03-21 08:32:17 -07:00
Vladimir Kozlov
c58e0f9c95 6678377: Update build number for HS12 
B01 -> b02

Reviewed-by: kvn
 2008-03-21 00:49:06 -07:00
Vladimir Kozlov
cdd27962da 6674600: (Escape Analysis) Optimize memory graph for instance's fields 
EA gives opportunite to do more aggressive memory optimizations.

Reviewed-by: never, jrose
 2008-03-20 15:11:44 -07:00
Vladimir Kozlov
1ba2523386 6259129: (Escape Analysis) scalar replacement for not escaping objects 
Use scalar replacement with EA to remove allocations for objects which do not escape the compiled method.

Reviewed-by: rasbold, never, jrose
 2008-03-20 13:51:55 -07:00
Tom Rodriguez
a2b4f55757 6663621: JVM crashes while trying to execute api/java_security/Signature/SignatureTests.html#initSign tests 
Alignment expression with secondary induction variables is sometimes wrong

Reviewed-by: kvn, rasbold
 2008-03-20 10:43:42 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
Vladimir Kozlov
b71360f557 6662967: Optimize I2D conversion on new x86 
Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.

Reviewed-by: sgoldman, never
 2008-03-19 15:33:25 -07:00
Tom Rodriguez
d200260fe5 6661247: Internal bug in 32-bit HotSpot optimizer while bit manipulations 
Copy elimination of a constant value results in incorrect execution

Reviewed-by: kvn, sgoldman, rasbold
 2008-03-19 15:14:36 -07:00
Steve Bohne
bf559c6dce 6667833: Remove CacheTimeMillis 
Remove -XX:+CacheTimeMillis option and associated functionality

Reviewed-by: acorn, never
 2008-03-19 09:58:01 -04:00
Tom Rodriguez
49434b6bad 6659207: access violation in CompilerThread0 
Split_thru_phi produces top on a non-dead path

Reviewed-by: kvn, rasbold, sgoldman
 2008-03-18 23:54:17 -07:00
Tom Rodriguez
8e1624d88c 6676841: ClearArrayNode::Identity is incorrect for 64-bit 
ClearArrayNode::Identity should use TypeX instead of TypeInt

Reviewed-by: jrose, kvn, sgoldman
 2008-03-18 23:44:46 -07:00
Tom Rodriguez
641bce6847 6666343: Compile::has_loops not always set correctly 
Compile::has_loops() should be set from inlined methods

Reviewed-by: kvn, rasbold
 2008-03-18 11:17:37 -07:00
Y. Srinivas Ramakrishna
f2b6ac989e 6634032: CMS: Need CMSInitiatingPermOccupancyFraction for perm, divorcing from CMSInitiatingOccupancyFraction 
The option CMSInitiatingPermOccupancyFraction now controls perm triggering threshold. Even though the actual value of the threshold has not yet been changed, so there is no change in policy, we now have the infrastructure in place for dynamically deciding when to collect the perm gen, an issue that will be addressed in the near future.

Reviewed-by: jmasa
 2008-03-16 21:57:25 -07:00
Vladimir Kozlov
20046c1a18 6672848: (Escape Analysis) improve lock elimination with EA 
Remove lock/unlock MemBar nodes and specify locks in debug info for deoptimization.

Reviewed-by: never
 2008-03-14 16:40:42 -07:00
Vladimir Kozlov
fc0117cb9a 6674588: (Escape Analysis) Improve Escape Analysis code 
Current EA code has several problems which have to be fixed.

Reviewed-by: jrose, sgoldman
 2008-03-14 15:26:33 -07:00
Steve Bohne
387f42921b 6204603: Modify hotspot to use new Solaris mmap semantics for class data archive file 
Os::attempt_reserve_memory_at() now passes an address hint to mmap

Reviewed-by: kamg, dice
 2008-03-14 10:43:02 -04:00
Vladimir Kozlov
30dc0edfc8 6673473: (Escape Analysis) Add the instance's field information to PhiNode 
Avoid an infinite generation of instance's field values Phi nodes.

Reviewed-by: never
 2008-03-13 16:31:32 -07:00
Vladimir Kozlov
000ac830a0 6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint 
Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.

Reviewed-by: never
 2008-03-13 16:06:34 -07:00
Daniel D. Daugherty
0745d10694 Merge 2008-03-13 14:17:48 -07:00
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
Daniel D. Daugherty
63a8cc420e 6667089: 3/3 multiple redefinitions of a class break reflection 
Use instanceKlass::method_with_idnum() instead of slot() to work with RedefineClasses().

Reviewed-by: sspitsyn
 2008-03-12 18:39:05 -07:00
Daniel D. Daugherty
2927815658 6452081: 3/4 Allow for Linux builds with Sun Studio Linux compilers 
(for Serguei) Allow for Linux builds with Sun Studio Linux compilers

Reviewed-by: sspitsyn, ohair
 2008-03-12 18:37:03 -07:00
Daniel D. Daugherty
454bce8993 6453355: 4/4 new No_Safepoint_Verifier uses fail during GC 
(for Serguei) Clean up use of No_Safepoint_Verifier in JVM TI

Reviewed-by: dcubed
 2008-03-12 18:09:34 -07:00
Daniel D. Daugherty
f813016add 6599425: 4/3 OopMapCache::lookup() can cause later crash or assert() failure 
Add should_not_be_cached() to markOop and methodOop and query that status inOopMapCache::lookup()

Reviewed-by: coleenp, sspitsyn, jmasa
 2008-03-12 18:07:46 -07:00
Daniel D. Daugherty
0f1d30354a 6497639: 4/3 Profiling Swing application caused JVM crash 
Make RedefineClasses() interoperate better with class sharing.

Reviewed-by: sspitsyn, jmasa
 2008-03-12 18:06:50 -07:00
John Coomes
1e62d37cc0 Merge 2008-03-12 16:31:37 -07:00
Vladimir Kozlov
b64d5e4209 6667615: (Escape Analysis) extend MDO to cache arguments escape state 
Use MDO to cache arguments escape state determined by the byte code escape analyzer.

Reviewed-by: never
 2008-03-11 19:00:38 -07:00
Jon Masamitsu
3bf59e9c0a 6673975: Disable ZapUnusedHeapArea to reduce GC execution times of debug JVM's 
Mangling the unused space is having an adverse affect on testing with fastdebug builds so turn it off by default.

Reviewed-by: ysr, tonyp
 2008-03-11 14:19:53 -07:00
Vladimir Kozlov
96e8bcb6aa 6667620: (Escape Analysis) fix deoptimization for scalar replaced objects 
Deoptimization code for reallocation and relocking scalar replaced objects has to be fixed.

Reviewed-by: rasbold, never
 2008-03-11 11:25:13 -07:00
Vladimir Kozlov
50708126d4 6623167: C2 crashed in StoreCMNode::Value 
C2 crashed in StoreCMNode::Value because n->in(MemNode::OopStore) is 0.

Reviewed-by: rasbold, never
 2008-03-11 11:04:40 -07:00
John Coomes
a39a588efa Merge 2008-03-10 17:21:56 -07:00
Vladimir Kozlov
9ec574b7e6 6667605: (Escape Analysis) inline java constructors when EA is on 
Java constructors should be inlined to be able scalar replace a new object

Reviewed-by: rasbold
 2008-03-07 11:09:13 -08:00
Vladimir Kozlov
37b9a97e08 6670459: Fix Node::dump() performance 
Dump full ideal graph takes forever.

Reviewed-by: never, rasbold
 2008-03-06 20:58:16 -08:00
Vladimir Kozlov
277c3322f6 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation 
Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.

Reviewed-by: rasbold
 2008-03-06 10:53:33 -08:00
Vladimir Kozlov
bf7f5e1887 6667610: (Escape Analysis) retry compilation without EA if it fails 
During split unique types EA could exceed nodes limit and fail the method compilation.

Reviewed-by: rasbold
 2008-03-06 10:30:17 -08:00
John Coomes
1e10db0d6a Merge 2008-03-05 17:37:04 -08:00
Vladimir Kozlov
17458c9660 6671250: In Parse::do_if() old Cmp node 'c' should be replaced with new one after BoolNode transformation 
In Parse::do_if() 'c' (CmpNode) node may be changed during BoolNode transformation so 'c' may became dead but the node is referenced later in the code.

Reviewed-by: never
 2008-03-05 11:33:31 -08:00
Steve Bohne
c953a1e7b8 6666698: EnableBiasedLocking with BiasedLockingStartupDelay can block Watcher thread 
Enqueue VM_EnableBiasedLocking operation asynchronously

Reviewed-by: never, xlu, kbr, acorn
 2008-03-04 09:44:24 -05:00
Steve Bohne
59cc274f16 6655385: Disable frame pointer omission in jvm.dll on Windows for better crash logs 
Add /Oy- C++ compiler option on Windows

Reviewed-by: phh, never, ysr
 2008-03-03 14:47:02 -05:00
Jon Masamitsu
6c0c606249 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO 
Default values set by cms ergonomics are set with FLAG_SET_DEFAULT so down stream the values look like the default values and affect how later parameters are set.  Set these values with FLAG_SET_ERGO instead and adjust how later parameters are interpreted.

Reviewed-by: iveresov, apetrusenko, pbk, ysr
 2008-03-02 16:10:12 -08:00
Mark Reinhold
1559ee2a70 6669216: Add jcheck configuration directories 
Reviewed-by: ohair, xdono
 2008-02-29 20:03:58 -08:00
Vladimir Kozlov
dc6ad19d70 6667618: disable LoadL->ConvL2I ==> LoadI optimization 
This optimization causes problems (sizes of Load and Store nodes do not match) for objects initialization code and Escape Analysis

Reviewed-by: jrose, never
 2008-02-29 19:57:41 -08:00
Vladimir Kozlov
09d7f4bbcf 6667588: Don't generate duplicated CMP for float/double values 
Float CMove generation add duplicated CMPF if there are more then one Move depending on the condition.

Reviewed-by: jrose, never, rasbold
 2008-02-29 19:07:15 -08:00
Y. Srinivas Ramakrishna
a6d8fca876 6668743: CMS: Consolidate block statistics reporting code 
Reduce the amount of related code replication and improve pretty printing.

Reviewed-by: jmasa
 2008-02-29 14:42:56 -08:00
Vladimir Kozlov
7ec44373b5 6667581: Don't generate initialization (by 0) code for arrays with size 0 
Generate_arraycopy() does not check the size of allocated array.

Reviewed-by: jrose, never
 2008-02-29 11:22:27 -08:00
Vladimir Kozlov
c223fed084 6667580: Optimize CmpP for allocations 
CmpP could be optimized out if it compares new allocated objects.

Reviewed-by: jrose, never, rasbold
 2008-02-29 09:57:18 -08:00
Vladimir Kozlov
9a4ccf8a06 6667573: Use set_req_X() in AddPNode::Ideal() for Iterative GVN 
Set_req_X() puts dependent nodes on IGVN worklist which allows to improve graph and gives more opportunities for EA scalar replacement.

Reviewed-by: jrose, never
 2008-02-28 15:40:09 -08:00
Vladimir Kozlov
7be6246821 6590177: jck60019 test assert(!repeated,"do not walk merges twice") 
A mergemem node could be not in worklist_store but in should_not_repeat vectorset since it was processed and removed from worklist_store before.

Reviewed-by: jrose, never
 2008-02-28 10:45:15 -08:00
Coleen Phillimore
f235d989d0 6549844: Wording problems in "An unexpected error ..." 
Changed wording to "A fatal error.." also don't claim it's not VM bug if in hotspot compilers (Java thread in native).

Reviewed-by: jjh, sbohne, jrose, never
 2008-02-27 13:55:58 -05:00
John R Rose
73fa03eafc 6610906: inexplicable IncompatibleClassChangeError 
Dependency check must treat polymorphic interfaces consistently

Reviewed-by: kvn, never, sgoldman
 2008-02-27 00:23:37 -08:00
Y. Srinivas Ramakrishna
51bf19209d 6621728: Heap inspection should not crash in the face of C-heap exhaustion 
Deal more gracefully with situations where C-heap scratch space cannot be had

Reviewed-by: jmasa
 2008-02-26 15:57:49 -08:00
Vladimir Kozlov
9f1a8ede80 6633953: type2aelembytes{T_ADDRESS} should be 8 bytes in 64 bit VM 
T_ADDRESS size is defined as 'int' size (4 bytes) but C2 use it for raw pointers and as memory type for StoreP and LoadP nodes.

Reviewed-by: jrose
 2008-02-25 15:05:44 -08:00
Vladimir Kozlov
0dd8f3e8c0 6650373: Assert in methodOopDesc::make_adapters() 
AdapterHandlerLibrary::get_create_adapter_index() returns incorrect value (-2) when CodeCache is full.

Reviewed-by: sgoldman
 2008-02-22 17:55:13 -08:00
Jon Masamitsu
63f1de52fc 6362677: Change parallel GC collector default number of parallel GC threads 
Use the same default number of GC threads as used by ParNewGC and ConcMarkSweepGC (i.e., the 5/8th rule).

Reviewed-by: ysr, tonyp
 2008-02-22 17:17:14 -08:00
Vladimir Kozlov
e06dedd2f1 6498878: client compiler crashes on windows when dealing with breakpoint instructions 
_is_compilable check prevents breakpoint bytecodes reversion when loading bytecodes for ciMethod.

Reviewed-by: never
 2008-02-21 19:03:44 -08:00
Vladimir Kozlov
b8789d9c9a 6621084: ciMethodBlocks::split_block_at() is broken for methods with exception handler 
After an exception handler block is split the exception information is not moved to the new block which starts in exception handler BCI.

Reviewed-by: jrose
 2008-02-21 14:03:41 -08:00
Y. Srinivas Ramakrishna
74f243990c 6642634: Test nsk/regression/b6186200 crashed with SIGSEGV 
Use correct allocation path in expand_and_allocate() so object's mark and p-bits are set as appropriate.

Reviewed-by: jmasa, pbk
 2008-02-21 11:03:54 -08:00
Vladimir Kozlov
26097e9848 6621094: PrintOptoAssembly is broken for oops information in DebugInfo 
OopMapValue and VMRegImpl classes miss the virtual method print_on(st).

Reviewed-by: rasbold, jrose, never
 2008-02-20 17:23:43 -08:00
Vladimir Kozlov
5ade869e8c 6614330: Node::dump(n) does not print full graph for specified depth 
A node is not processed in dump_nodes() if it was visited during processing previous inputs.

Reviewed-by: rasbold
 2008-02-20 16:19:43 -08:00
Jon Masamitsu
9c36dab8c4 6665445: Backout change to CardTableModRefBS::resize_covered_region() 
Backed out part of cahnge for 6624765 because of nightly testing regressions.  Reviewers below were for 6624765.

Reviewed-by: ysr, apetrusenko
 2008-02-20 08:40:31 -08:00
Y. Srinivas Ramakrishna
ae065e6290 6621144: CMS: assertion failure "is_cms_thread == Thread::current()->is_ConcurrentGC_thread()" 
Take lock conditionally (in asynchronous mode only) when updating the dead-object map.

Reviewed-by: jmasa
 2008-02-16 22:41:20 -08:00
Jon Masamitsu
38fdc8ab98 6624765: Guarantee failure "Unexpected dirty card found" 
In verification take into account partial coverage of a region by a card and expansion of the card table.

Reviewed-by: ysr, apetrusenko
 2008-02-15 07:01:10 -08:00
Vladimir Kozlov
90815abd51 6621098: "* HeapWordSize" for TrackedInitializationLimit is missing 
'* HeapWordSize' is missing in GraphKit::set_output_for_allocation()

Reviewed-by: rasbold, jrose, never
 2008-02-12 18:37:50 -08:00
Y. Srinivas Ramakrishna
41895dc06d 6659981: +ParallelRefProcEnabled crashes on single core platform 
Disable parallel reference processing when there are no worker threads

Reviewed-by: apetrusenko, pbk, jmasa, tonyp
 2008-02-12 16:07:46 -08:00
Jon Masamitsu
527390207c 6624782: Bigapps crashes during CMS precleaning 
Lowered optimization level for files instanceKlass.cpp and objArrayKlass.cpp

Reviewed-by: ysr
 2008-02-11 15:40:07 -08:00
Xiaobin Lu
f804a7e9f9 6610420: Debug VM crashes during monitor lock rank checking 
Make SerializePage lock as raw lock and add name for mutex locks

Reviewed-by: never, dice, dholmes
 2008-02-05 23:21:57 -08:00
Steve Bohne
f7eb451719 6598190: JPRT tests fail when run with -XX:+CheckUnhandledOops 
Work around Sun Studio C++ compiler bug 6629277 in dependencies.cpp

Reviewed-by: kamg, sgoldman, pbk
 2008-01-31 14:56:50 -05:00
Keith McGuigan
f54eceace3 6631248: Memory problem when doing invalid type cast 
Changed memory allocation method for exception method

Reviewed-by: ysr, never
 2008-01-31 09:41:34 -05:00
Coleen Phillimore
218615259d 6646946: Kernel installation failed on Japanese and Chinese XP SP2 (VM part) 
Convert strings from Download Manager into native encoding in the VM

Reviewed-by: sbohne, never, phh, kamg, xlu
 2008-01-17 13:38:17 -08:00
John Coomes
1bfa153ebe 6635560: segv in reference processor on t1000 
Revert back to using the default page size for the card table

Reviewed-by: pbk, phh
 2007-12-06 13:59:28 -08:00
Paul Hohensee
4576d7abf7 6629887: 64-bit windows should not restrict default heap size to 1400m 
Reviewed-by: jmasa, sbohne, ikrylov, xlu
 2007-12-05 09:04:00 -08:00
Chuck Rasbold
b3b837074b 6614036: REGRESSION: Java server x86 VM intermittently crash with SIGSEGV (0xb) 
Restore destination address in x86 32-bit checkcast_arraycopy stub

Reviewed-by: jrose, kvn, never
 2007-12-05 09:03:00 -08:00
Paul Hohensee
4abbae1fc2 6621621: HashMap front cache should be enabled only with AggressiveOpts 
Reviewed-by: sbohne, xlu
 2007-12-05 09:02:00 -08:00
Tom Rodriguez
10c473e425 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) 
Reviewed-by: kvn, rasbold
 2007-12-05 09:01:00 -08:00
Daniel D. Daugherty
5fa349cc42 6664627: Merge changes made only in hotspot 11 forward to jdk 7 
Reviewed-by: jcoomes
 2007-12-05 09:00:00 -08:00