816 Commits

Author SHA1 Message Date
Andrey Petrusenko
9ae6fb796e Merge 2009-09-04 05:31:37 -07:00
Christian Thalinger
b357ca3ad1 6865583: Verbose CIPrintMethodCodes asserts when ldc an empty String
Ldc seems to load an empty String and that leads to an assert on offset < length, which are both zero.

Reviewed-by: kvn, never
2009-08-27 06:17:23 -07:00
Changpeng Fang
ff9a1bddb5 6873116: Modify reexecute implementation to use pcDesc to record the reexecute bit
Use PcDesc to keep record of the reexecute bit instead of using DebugInfoStreams

Reviewed-by: kvn, never, twisti
2009-08-20 12:42:57 -07:00
Vladimir Kozlov
ab7a29cdcc Merge 2009-08-06 09:37:26 -07:00
Changpeng Fang
ae00753bf7 6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot
Developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens

Reviewed-by: kvn, never, jrose, twisti
2009-07-31 17:12:33 -07:00
John Coomes
e7c70c499b 6845368: large objects cause a crash or unexpected exception
Reviewed-by: jmasa, iveresov
2009-08-13 16:22:45 -07:00
John Coomes
662adda5e6 6861660: OopMapBlock count/size confusion
Reviewed-by: tonyp, iveresov
2009-08-11 15:37:23 -07:00
Coleen Phillimore
76a4e2a8c1 Merge 2009-07-30 15:06:19 -04:00
Erik Trimble
e846382e12 Merge 2009-07-29 16:00:35 -07:00
Xiomara Jayasena
a63ef10004 6862919: Update copyright year
Update copyright for files that have been modified in 2009, up to 07/09

Reviewed-by: tbell, ohair
2009-07-28 12:12:40 -07:00
Coleen Phillimore
3e69a71772 Merge 2009-07-27 17:23:52 -04:00
John R Rose
6515225d49 6862576: vmIntrinsics needs cleanup in order to support JSR 292 intrinsics
Remove useless lazy evaluation of intrinsics; add LAST_COMPILER_INLINE to help categorize them

Reviewed-by: kvn
2009-07-21 16:56:06 -07:00
Mandy Chung
08f5aeffc1 6857194: Add hotspot perf counters to aid class loading performance measurement
Add new jvmstat counters to measure detailed class loading time

Reviewed-by: acorn, kamg
2009-07-10 11:10:00 -07:00
Christian Thalinger
6a270f9f19 6823354: Add intrinsics for {Integer,Long}.{numberOfLeadingZeros,numberOfTrailingZeros}()
These methods can be instrinsified by using bit scan, bit test, and population count instructions.

Reviewed-by: kvn, never
2009-05-06 00:27:52 -07:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
2009-04-21 23:21:04 -07:00
Tom Rodriguez
617835c850 6741757: minor ctw improvements
Reviewed-by: kvn
2009-04-16 21:25:29 -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
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
101468324d 6603316: Improve instrumentation for classes loaded at startup
Reviewed-by: xlu, mchung
2009-03-25 13:09:28 -04:00
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
Karen Kinnear
472349069b Merge 2009-03-23 10:42:20 -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
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
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
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
8d6035660e Merge 2009-03-12 18:16:36 -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
Christian Thalinger
05d1de7727 6810672: Comment typos
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Vladimir Kozlov
681eb89b31 Merge 2009-02-17 14:30:24 -08:00
Vladimir Kozlov
a23ea7296a 6790209: server VM fails with assert(will_link,"_new: typeflow responsibility")
Add missing code for reflection class loader in SystemDictionary::find().

Reviewed-by: never, jrose
2009-01-16 11:23:10 -08:00
John Coomes
2ba0d5b055 Merge 2009-01-14 14:12:55 -08:00
Jon Masamitsu
c2ff9781c7 6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
The CMS concurrent precleaning and concurrent marking phases should work around classes that are undergoing redefinition.

Reviewed-by: ysr, dcubed
2009-01-11 16:58:24 -08:00
Coleen Phillimore
76f79d82ad Merge 2009-01-09 14:39:07 -05:00
Karen Kinnear
9bf4545843 6791656: nsk defclass0 asserts handles.hpp
Reviewed-by: phh, xlu
2009-01-08 16:27:28 -05:00
Karen Kinnear
315de68fc0 4670071: loadClassInternal is too restrictive
VM support for deadlock fix. Library fix in 4735126. See API proposal.

Reviewed-by: dholmes, blacklion
2009-01-05 13:44:03 -05:00
Xiaobin Lu
f05b009ce8 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2
Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2

Reviewed-by: jcoomes, acorn, phh, never
2008-12-24 19:13:53 -08:00
Erik Trimble
efd43c045a Merge 2008-12-20 09:57:03 -08:00
Xiomara Jayasena
99f0eac1a2 6785258: Update copyright year
Update copyright for files that have been modified starting July 2008 to Dec 2008

Reviewed-by: katleman, ohair, tbell
2008-12-15 16:55:11 -08:00
John R Rose
e50f766540 6779339: turn off LinkWellKnownClasses by default pending further testing
Temporarily turn off LinkWellKnownClasses optimization

Reviewed-by: never, kvn
2008-12-08 17:15:02 -08:00
John R Rose
849e0ffb04 6653858: dynamic languages need to be able to load anonymous classes
Low-level privileged sun.misc.Unsafe.defineAnonymousClass

Reviewed-by: kvn
2008-11-12 22:33:26 -08:00
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
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
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
Keith McGuigan
d58beaefde Merge 2008-06-06 13:43:36 -04:00
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
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
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