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217 Commits

Author SHA1 Message Date
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