Tom Rodriguez
9db2092b1b
6892658: C2 should optimize some stringbuilder patterns
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Reviewed-by: kvn, twisti
2009-11-12 09:24:21 -08:00
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
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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
Xiomara Jayasena
a63ef10004
6862919: Update copyright year
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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
Vladimir Kozlov
090346b4e8
6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
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Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative.
Reviewed-by: never, jrose
2009-04-03 13:33:32 -07:00
Vladimir Kozlov
9b31d58b98
6809798: SafePointScalarObject node placed into incorrect block during GCM
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Replace the control edge of a pinned node before scheduling.
Reviewed-by: never
2009-02-26 14:26:02 -08:00
Vladimir Kozlov
f2f18a01e5
6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now")
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Create new "eliminated" BoxLock node for monitor debug info when corresponding locks are eliminated.
Reviewed-by: never
2008-12-03 13:41:37 -08:00
Vladimir Kozlov
7aae40a95f
6462850: generate biased locking code in C2 ideal graph
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Inline biased locking code in C2 ideal graph during macro nodes expansion
Reviewed-by: never
2008-11-07 09:29:38 -08:00
Chuck Rasbold
eee15b163e
6711100: 64bit fastdebug server vm crashes with assert(_base == Int,"Not an Int")
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Insert CastII nodes to narrow type of load_array_length() node
Reviewed-by: never, kvn
2008-09-17 08:29:17 -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
Vladimir Kozlov
a1f50998ae
6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops
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Generate addresses and implicit null checks with narrow oops to avoid decoding.
Reviewed-by: jrose, never
2008-05-29 12:04:14 -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
Vladimir Kozlov
cdd27962da
6674600: (Escape Analysis) Optimize memory graph for instance's fields
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EA gives opportunite to do more aggressive memory optimizations.
Reviewed-by: never, jrose
2008-03-20 15:11:44 -07:00
Vladimir Kozlov
fc0117cb9a
6674588: (Escape Analysis) Improve Escape Analysis code
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Current EA code has several problems which have to be fixed.
Reviewed-by: jrose, sgoldman
2008-03-14 15:26:33 -07:00
Vladimir Kozlov
000ac830a0
6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint
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Values of non-static fields of a scalarized object should be saved in debug info to reallocate the object during deoptimization.
Reviewed-by: never
2008-03-13 16:06:34 -07:00
Vladimir Kozlov
277c3322f6
6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation
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Cloning an allocation will not allow scalar replacement since memory operations could not be associated with one allocation.
Reviewed-by: rasbold
2008-03-06 10:53:33 -08:00
Vladimir Kozlov
c223fed084
6667580: Optimize CmpP for allocations
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CmpP could be optimized out if it compares new allocated objects.
Reviewed-by: jrose, never, rasbold
2008-02-29 09:57:18 -08:00
J. Duke
8153779ad3
Initial load
2007-12-01 00:00:00 +00:00
