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42 Commits

Author SHA1 Message Date
Antonios Printezis
c8006a68d5 Merge 2008-10-01 15:05:06 -04:00
Chuck Rasbold
453d1a42b0 Merge 2008-09-30 15:53:55 -07:00
John Coomes
e98b7ce059 6729594: par compact - remove unused block table implementation 
Reviewed-by: tonyp, jmasa, apetrusenko
 2008-09-30 13:15:27 -07:00
John Coomes
f2851186bb 6725697: par compact - rename class ChunkData to RegionData 
Reviewed-by: iveresov, tonyp
 2008-09-30 12:20:22 -07:00
John Coomes
2e52e9dff2 6716466: par compact - remove VerifyParallelOldWithMarkSweep code 
Reviewed-by: jmasa
 2008-09-30 11:49:31 -07:00
Volker Simonis
ac161a1e17 6744783: HotSpot segfaults if given -XX options with an empty string argument 
Reviewed-by: kamg, kvn
 2008-09-25 12:50:51 -07:00
Andrey Petrusenko
1d67e1d25c Merge 2008-09-17 19:59:35 +04:00
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
Antonios Printezis
70202307c0 Merge 2008-08-21 23:38:19 -04:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
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
Jon Masamitsu
b8633a3b01 Merge 2008-07-28 15:30:23 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -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
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
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
Y. Srinivas Ramakrishna
f521ab4f1a Merge 2008-06-24 13:20:34 -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
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
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -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
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
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
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
Igor Veresov
035662396c Merge 2008-05-04 03:29:31 -07:00
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
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
Andrey Petrusenko
f784be24d1 Merge 2008-04-16 12:58:03 +04:00
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
Chuck Rasbold
87c524d47e Merge 2008-04-09 15:10:22 -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
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
Antonios Printezis
6bfbc36dcd Merge 2008-03-27 17:22:06 -07:00
Chuck Rasbold
446895de2d Merge 2008-03-21 08:32:17 -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
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
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
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
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00