Tom Rodriguez
a54b1ff70e
6978249: spill between cpu and fpu registers when those moves are fast
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Reviewed-by: kvn
2010-08-19 14:51:47 -07:00
John R Rose
d6a9b93b5a
Merge
2010-06-02 22:45:42 -07:00
Vladimir Kozlov
a3005a16fc
6954029: Improve implicit null check generation with compressed oops
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Hoist DecodeN instruction above null check
Reviewed-by: never, twisti
2010-06-02 09:49:32 -07:00
Erik Trimble
ba7c173659
6941466: Oracle rebranding changes for Hotspot repositories
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Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
2010-05-27 19:08:38 -07:00
Y. Srinivas Ramakrishna
762f60d343
6948537: CMS: BOT walkers observe out-of-thin-air zeros on sun4v sparc/CMT
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On sun4v/CMT avoid use of memset() in BOT updates so as to prevent concurrent BOT readers from seeing the phantom zeros arising from memset()'s use of BIS.
Reviewed-by: jmasa, johnc, minqi, poonam, tonyp
2010-05-03 10:24:51 -07:00
Vladimir Kozlov
f6934fd3b7
6940726: Use BIS instruction for allocation prefetch on Sparc
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Use BIS instruction for allocation prefetch on Sparc
Reviewed-by: twisti
2010-04-07 12:39:27 -07:00
Vladimir Kozlov
5f8098a402
6940701: Don't align loops in stubs for Niagara sparc
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Don't align loops in stubs for Niagara sparc since NOPs are expensive.
Reviewed-by: twisti, never
2010-04-07 09:37:47 -07:00
Vladimir Kozlov
705188bb7b
6821700: tune VM flags for peak performance
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Tune C2 flags default values for performance.
Reviewed-by: never, phh, iveresov, jmasa, ysr
2009-03-30 18:19:31 -07:00
Christian Thalinger
de67e52949
6378821: bitCount() should use POPC on SPARC processors and AMD+10h
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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
Vladimir Kozlov
69f9ddee90
6791178: Specialize for zero as the compressed oop vm heap base
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Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp
2009-03-12 10:37:46 -07:00
Christian Thalinger
66cecec230
6812587: Use auxv to determine SPARC hardware features on Solaris
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A similar function to getisax(2) should be used to determine all possible instruction set extensions.
Reviewed-by: never, kvn
2009-03-11 14:16:13 -07:00
Xiomara Jayasena
c96a95c4b8
6719955: Update copyright year
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Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell
2008-07-02 12:55:16 -07:00
Coleen Phillimore
4a831d45f0
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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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
Jon Masamitsu
63f1de52fc
6362677: Change parallel GC collector default number of parallel GC threads
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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
