Commit graph

12 commits

Author SHA1 Message Date
Vladimir Kozlov
37306315b2 6736417: Fastdebug C2 crashes in StoreBNode::Ideal
The result of step_through_mergemem() and remove_dead_region() is not checked in some cases.

Reviewed-by: never
2008-08-27 09:15:46 -07:00
Erik Trimble
2d6f42d18c Merge 2008-07-11 01:14:44 -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
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
0a077d276e 6715633: when matching a memory node the adr_type should not change
Verify the adr_type of a mach node was not changed

Reviewed-by: rasbold, never
2008-06-20 11:10:05 -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
Vladimir Kozlov
dc6ad19d70 6667618: disable LoadL->ConvL2I ==> LoadI optimization
This optimization causes problems (sizes of Load and Store nodes do not match) for objects initialization code and Escape Analysis

Reviewed-by: jrose, never
2008-02-29 19:57:41 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00