14 Commits

Author SHA1 Message Date
Changpeng Fang
815db4fcba 6894779: Loop Predication for Loop Optimizer in C2
Loop predication implementation

Reviewed-by: never, kvn
2010-01-12 14:37:35 -08:00
Xiomara Jayasena
a63ef10004 6862919: Update copyright year
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
Changpeng Fang
f981546f2d 6837146: Should perform unswitch before maximally unroll in loop transformation
Move loop unswitch before maximally unroll

Reviewed-by: never
2009-05-28 09:37:18 -07:00
Christian Thalinger
05d1de7727 6810672: Comment typos
I have collected some typos I have found while looking at the code.

Reviewed-by: kvn, never
2009-02-27 13:27:09 -08:00
Vladimir Kozlov
7aae40a95f 6462850: generate biased locking code in C2 ideal graph
Inline biased locking code in C2 ideal graph during macro nodes expansion

Reviewed-by: never
2008-11-07 09:29:38 -08:00
Tom Rodriguez
043fde10e5 6743188: incomplete fix for 6700047 C2 failed in idom_no_update
Reviewed-by: rasbold, kvn
2008-10-03 13:58:20 -07:00
Vladimir Kozlov
adce6fc49a 6667595: Set probability FAIR for pre-, post- loops and ALWAYS for main loop
Fix loop's probability. Add optimizations to avoid spilling. Change InlineSmallCode to product flag.

Reviewed-by: never
2008-10-02 08:37:44 -07:00
Tom Rodriguez
4b1e242299 6384206: Phis which are later unneeded are impairing our ability to inline based on static types
Reviewed-by: rasbold, jrose
2008-09-17 12:59:52 -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
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
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
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
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00