8 Commits

Author SHA1 Message Date
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
Chuck Rasbold
2e672ac9bf 6695049: (coll) Create an x86 intrinsic for Arrays.equals
Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
2008-05-29 16:22:09 -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
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
000ac830a0 6671807: (Escape Analysis) Add new ideal node to represent the state of a scalarized object at a safepoint
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00