76 Commits

Author SHA1 Message Date
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
615777b6da Merge 2008-08-21 23:36:31 -04:00
Erik Trimble
8242ae771a Merge 2008-08-10 21:31:42 -07:00
Vladimir Kozlov
73379adb82 Merge 2008-07-31 13:42:21 -07:00
Vladimir Kozlov
6ff4206fe4 Merge 2008-07-30 09:54:21 -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
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
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
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
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
ac061d0424 Merge 2008-06-12 13:50:55 -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
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
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
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
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
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
446895de2d Merge 2008-03-21 08:32:17 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
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
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
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
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
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
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00