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393 Commits

Author SHA1 Message Date
Tom Rodriguez
8a4683b5ed 7034513: enable fast accessors and empty methods for ZERO and -Xint 
Reviewed-by: kvn, iveresov
 2011-04-06 16:02:50 -07:00
Christian Thalinger
c9e2dcda4b 6817525: turn on method handle functionality by default for JSR 292 
After appropriate testing, we need to turn on EnableMethodHandles and EnableInvokeDynamic by default.

Reviewed-by: never, kvn, jrose, phh
 2011-03-31 02:31:57 -07:00
John Coomes
1ed31f9194 6962930: make the string table size configurable 
Reviewed-by: never, phh, stefank, kamg, dholmes, coleenp
 2011-03-21 18:38:00 -07:00
Tom Rodriguez
6e8a263a06 7017732: move static fields into Class to prepare for perm gen removal 
Reviewed-by: kvn, coleenp, twisti, stefank
 2011-03-18 16:00:34 -07:00
John Coomes
0317c7c485 Merge 2011-03-18 09:03:43 -07:00
Y. Srinivas Ramakrishna
7293fabc43 6896099: Integrate CMS heap ergo with default heap sizing ergo 
6627787: CMS: JVM refuses to start up with -Xms16m -Xmx16m
7000125: CMS: Anti-monotone young gen sizing with respect to maximum whole heap size specification
7027529: CMS: retire CMSUseOldDefaults flag

Simplify CMS heap sizing code, relying on ergonomic initial sizing consistent with other collectors for the most part, controlling only young gen sizing to rein in pause times. Make CMS young gen sizing default statically cpu-dependant. Remove inconsistencies wrt generation sizing and policy code, allowing for the fixing for 6627787 and 7000125. For 7027529, retire the flag CMSUseOldDefaults which had been introduced as a bridge from JDK 5 to JDK 6 a number of years ago.

Reviewed-by: brutisso, poonam
 2011-03-16 10:37:08 -07:00
John R Rose
c506cb0e5b Merge 2011-03-11 21:19:15 -08:00
Jesper Wilhelmsson
aad948f0e8 6820066: Check that -XX:ParGCArrayScanChunk has a value larger than zero 
Check that -XX:ParGCArrayScanChunk has a value larger than zero.

Reviewed-by: johnc, jmasa, ysr
 2011-03-11 16:35:18 +01:00
Karen Kinnear
224db84b31 Merge 2011-03-07 09:16:08 -08:00
Igor Veresov
2114527fec 7020403: Add AdvancedCompilationPolicy for tiered 
This implements adaptive tiered compilation policy.

Reviewed-by: kvn, never
 2011-03-04 15:14:16 -08:00
Vladimir Kozlov
d7802369bc Merge 2011-03-03 23:31:45 -08:00
Coleen Phillimore
c3805bc224 7022999: Can't build with FORCE_TIERED=0 
Put UseFastLocking test under #ifdef COMPILER1

Reviewed-by: kvn, phh, never, dcubed
 2011-03-03 19:51:36 -05:00
John Coomes
c295eb2515 7018056: large pages not always enabled by default 
Reviewed-by: phh, kvn
 2011-03-06 11:37:18 -08:00
Igor Veresov
90a153aa38 6627983: G1: Bad oop deference during marking 
Bulk zeroing reduction didn't work with G1, because arraycopy would call pre-barriers on uninitialized oops. The solution is to have version of arraycopy stubs that don't have pre-barriers. Also refactored arraycopy stubs generation on SPARC to be more readable and reduced the number of stubs necessary in some cases.

Reviewed-by: jrose, kvn, never
 2011-03-01 14:56:48 -08:00
Staffan Larsen
cc6f461357 7022037: Pause when exiting if debugger is attached on windows 
Reviewed-by: dsamersoff, kamg, hosterda
 2011-02-28 14:19:52 +01:00
Robert Ottenhag
c4270e4517 Merge 2011-02-21 04:49:17 -08:00
Coleen Phillimore
9c5679fe53 6840152: JVM crashes when heavyweight monitors are used 
Turn off biased locking if !UseFastLocking or UseHeavyMonitors options are requested.

Reviewed-by: phh, never, dcubed, dholmes
 2011-02-16 11:34:44 -05:00
John Cuthbertson
7334402db5 7017008: G1: Turn on compressed oops by default 
Normally compressed oops is enabled when the maximum heap size is under a certain limit, except when G1 is also enabled. Remove this limitation. Also re-enable GCBasher testing with G1 on 64 bit windows in jprt.

Reviewed-by: jcoomes, brutisso, tonyp
 2011-02-09 09:43:02 -08:00
John Cuthbertson
950858350d Merge 2011-01-27 13:42:28 -08:00
John Cuthbertson
ecdb5848eb 6608385: G1: need to support parallel reference processing 
Implement support for ParallelRefProcEnabled in the reference processing that takes place at the end of G1 concurrent marking.

Reviewed-by: tonyp, ysr
 2011-01-25 10:56:22 -08:00
Christian Thalinger
5e35df892d 7011839: JSR 292 turn on escape analysis when using invokedynamic 
Currently escape analysis is turned off when EnableInvokeDynamic is true.

Reviewed-by: jrose, kvn
 2011-01-20 08:25:22 -08:00
Kevin Walls
b6d2068ee2 6994753: Implement optional hook to a Java method at VM startup 
Reviewed-by: mchung, acorn
 2011-01-12 15:44:16 +00:00
Coleen Phillimore
dec384330b 6302804: Hotspot VM dies ungraceful death when C heap is exhausted in various places 
Enhance the error reporting mechanism to help user to fix the problem rather than making it look like a VM error.

Reviewed-by: kvn, kamg
 2011-01-03 14:09:11 -05:00
Igor Veresov
d59d7ffc4a 6985015: C1 needs to support compressed oops 
This change implements compressed oops for C1 for x64 and sparc. The changes are mostly on the codegen level, with a few exceptions when we do access things outside of the heap that are uncompressed from the IR. Compressed oops are now also enabled with tiered.

Reviewed-by: twisti, kvn, never, phh
 2010-11-30 23:23:40 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot 
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
 2010-11-23 13:22:55 -08:00
Igor Veresov
15c6dde68a Merge 2010-11-19 17:01:34 -08:00
Vladimir Kozlov
d563b15558 6999491: non-zero COOPs are used when they should not 
HeapBaseMinAddress should be used only for a default heap size calculation.

Reviewed-by: iveresov, jcoomes, dholmes
 2010-11-12 09:51:43 -08:00
Zhengyu Gu
6fd53f05d1 Merge 2010-11-12 09:37:13 -05:00
Igor Veresov
0e15b9fce3 6998737: JSR 292: Remove the plug guarding the use of compressed oops 
The plug that guards the use of compressed oops with invokedynamic needs to be removed

Reviewed-by: twisti, kvn
 2010-11-09 15:12:15 -08:00
Keith McGuigan
d4ca94df32 6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0 
Change property value to 1.<major_version> for major_version >= 7

Reviewed-by: dholmes, acorn
 2010-11-05 09:32:08 -04:00
Igor Veresov
308952f81e 6996136: VM crash in src/share/vm/runtime/virtualspace.cpp:424 
Turn CDS off if compressed oops is on

Reviewed-by: ysr, kvn, jcoomes, phh
 2010-11-02 16:02:46 -07:00
John Coomes
f07d7731aa Merge 2010-11-01 10:49:14 -07:00
Y. Srinivas Ramakrishna
cbc7f8756a 6896603: CMS/GCH: collection_attempt_is_safe() ergo should use more recent data 
Deprecated HandlePromotionFailure, removing the ability to turn off that feature, did away with one epoch look-ahead when deciding if a scavenge is likely to fail, relying on current data.

Reviewed-by: jmasa, johnc, poonam
 2010-10-23 23:03:49 -07:00
Igor Veresov
6a17d9c416 6989669: Coops: -Xshare:dump causes crash 
Temporarily fix to disable compressed oops with CDS

Reviewed-by: dholmes, twisti, kvn, never
 2010-10-19 11:14:52 -07:00
Karen Kinnear
7d2a7e7452 Merge 2010-10-13 11:46:46 -04:00
Coleen Phillimore
39992cab03 6983240: guarantee((Solaris::min_stack_allowed >= (StackYellowPages+StackRedPages...) wrong 
Min_stack_allowed is a compile time constant and Stack*Pages are settable

Reviewed-by: dholmes, kvn
 2010-10-07 08:06:06 -07:00
Vladimir Kozlov
68f9001261 Merge 2010-10-06 14:18:32 -07:00
Vladimir Kozlov
c5191a8103 6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big 
Set upper limit 256 for ObjectAlignmentInBytes value.

Reviewed-by: never, iveresov
 2010-10-05 08:57:20 -07:00
Zhengyu Gu
afc563751f 6988363: Rebrand vm vendor property settings (jdk7 only) 
Vendor properties should be initialized after JDK version is determined.

Reviewed-by: kamg, ohair, dcubed, dholmes
 2010-09-30 12:05:08 -04:00
Keith McGuigan
9e9551fdd8 Merge 2010-09-22 12:54:51 -04:00
Zhengyu Gu
f9eb9cccb9 6981753: Rebrand vm vendor property settings 
Uses JDK_Version to determinate to set vm vendor to "Oracle Corporation" for JDK7 and later.

Reviewed-by: kamg, ohair, coleenp
 2010-09-17 09:45:32 -04:00
Vladimir Kozlov
5e98ce13ab Merge 2010-09-16 16:48:40 -07:00
Vladimir Kozlov
7df5e956d1 6984368: Large default heap size does not allow to use zero based compressed oops 
Take into account HeapBaseMinAddress and round down MaxPermSize

Reviewed-by: never
 2010-09-14 17:19:35 -07:00
Keith McGuigan
5c3276599b Merge 2010-09-07 11:38:09 -04:00
Igor Veresov
2c66a6c3fd 6953144: Tiered compilation 
Infrastructure for tiered compilation support (interpreter + c1 + c2) for 32 and 64 bit. Simple tiered policy implementation.

Reviewed-by: kvn, never, phh, twisti
 2010-09-03 17:51:07 -07:00
Ivan P Krylov
5d5bcb4bca 6979444: add command line option to print command line flags descriptions 
Implementation of a nonproduct boolean flag XX:PrintFlagsWithComments

Reviewed-by: kamg, dholmes, dsamersoff
 2010-08-31 03:14:00 -07:00
Tom Rodriguez
150ca9b5b1 Merge 2010-08-27 17:35:08 -07:00
Tom Rodriguez
08d9e03b81 4809552: Optimize Arrays.fill(...) 
Reviewed-by: kvn
 2010-08-27 17:33:49 -07:00
Daniel D. Daugherty
11da6c2e2a Merge 2010-08-23 08:44:03 -07:00
Tom Rodriguez
519c627fe5 Merge 2010-08-20 09:55:50 -07:00