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74 Commits

Author SHA1 Message Date
Vladimir Kozlov
f2f18a01e5 6775880: EA +DeoptimizeALot: assert(mon_info->owner()->is_locked(),"object must be locked now") 
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
8ab0a4d7a9 6732732: CTW with EA: assert(n != 0L,"Bad immediate dominator info.") 
Missing edge to a call's return value in EA Connection Graph.

Reviewed-by: never
 2008-08-27 16:33:34 -07:00
Vladimir Kozlov
3c4879eb9a 6741738: TypePtr::add_offset() set incorrect offset when the add overflows 
Set offset to OffsetBot when the add overflows in TypePtr::add_offset()

Reviewed-by: jrose, never
 2008-08-27 14:47:32 -07:00
Vladimir Kozlov
897278fce0 6731641: assert(m->adr_type() == mach->adr_type(),"matcher should not change adr type") 
Fixed few addP node type and narrow oop type problems.

Reviewed-by: rasbold, never
 2008-08-01 10:06:45 -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
Vladimir Kozlov
fae39068e8 6723160: Nightly failure: Error: meet not symmetric 
Add missing _instance_id settings and other EA fixes.

Reviewed-by: rasbold
 2008-07-16 16:04:39 -07:00
Vladimir Kozlov
c5b951e990 Merge 2008-07-11 12:19:29 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -07:00
Vladimir Kozlov
696e17c0ba 6684714: Optimize EA Connection Graph build performance 
Switch on EA by default, optimize Connection Graph construction

Reviewed-by: rasbold, never
 2008-07-03 18:02:47 -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
Vladimir Kozlov
4213e62fb7 6716441: error in meet with +DoEscapeAnalysis 
Set instance_id to InstanceBot for InstPtr->meet(AryPtr) when types are not related.

Reviewed-by: jrose, never
 2008-06-26 13:34:00 -07:00
Vladimir Kozlov
a671e7c7b5 6710487: More than half of JDI Regression tests hang with COOPs in -Xcomp mode 
Remove DecodeNNode::decode() and EncodePNode::encode() methods.

Reviewed-by: rasbold, never
 2008-06-24 10:43:29 -07:00
Vladimir Kozlov
a1f50998ae 6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops 
Generate addresses and implicit null checks with narrow oops to avoid decoding.

Reviewed-by: jrose, never
 2008-05-29 12:04:14 -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
Vladimir Kozlov
757229db71 6695810: null oop passed to encode_heap_oop_not_null 
Fix several problems in C2 related to Escape Analysis and Compressed Oops.

Reviewed-by: never, jrose
 2008-05-21 10:45:07 -07:00
Vladimir Kozlov
69155d87f9 6689060: Escape Analysis does not work with Compressed Oops 
64-bits VM crashes with -XX:+AggresiveOpts (Escape Analysis + Compressed Oops)

Reviewed-by: never, sgoldman
 2008-04-23 11:20:36 -07:00
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
1659f11da6 Merge 2008-04-03 06:41:16 -07:00
Vladimir Kozlov
ccaa58c5db 6681577: PIT: some VM tests fails with -XX:+AggressiveOpts in 6u5p b01 
C2 spends > 60% in escape analysis code during test nsk/regression/b4675027.

Reviewed-by: never
 2008-04-02 16:59:37 -07:00
Vladimir Kozlov
fb63e29743 6679854: assert in escape.cpp:397 
The assert misses the case CastX2P 'base' for an unsafe field reference

Reviewed-by: never, jrose
 2008-03-27 09:12:54 -07:00
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
Vladimir Kozlov
277c3322f6 6667612: (Escape Analysis) disable loop cloning if it has a scalar replaceable allocation 
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
bf7f5e1887 6667610: (Escape Analysis) retry compilation without EA if it fails 
During split unique types EA could exceed nodes limit and fail the method compilation.

Reviewed-by: rasbold
 2008-03-06 10:30:17 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00