Commit graph

8 commits

Author SHA1 Message Date
Vladimir Kozlov
dbdeade3b7 6709093: Compressed Oops: reduce size of compiled methods
Exclude UEP size from nmethod code size and use narrow klass oop to load prototype header.

Reviewed-by: jrose, never
2008-06-05 13:02:51 -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
Coleen Phillimore
646ceb4a45 6696264: assert("narrow oop can never be zero") for GCBasher & ParNewGC
Decouple set_klass() with zeroing the gap when compressed.

Reviewed-by: kvn, ysr, jrose
2008-05-28 21:06:24 -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
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
b71360f557 6662967: Optimize I2D conversion on new x86
Use CVTDQ2PS and CVTDQ2PD for integer values conversions to float and double values on new AMD cpu.

Reviewed-by: sgoldman, never
2008-03-19 15:33:25 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00