8 Commits

Author SHA1 Message Date
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base
Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.

Reviewed-by: never, twisti, jcoomes, coleenp
2009-03-12 10:37:46 -07:00
John R Rose
07321dec65 6812678: macro assembler needs delayed binding of a few constants (for 6655638)
Minor assembler enhancements preparing for method handles

Reviewed-by: kvn
2009-03-04 09:58:39 -08:00
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
Erik Trimble
50964694fe Merge 2008-10-07 11:01:35 -07:00
Xiomara Jayasena
76df5ec473 6754988: Update copyright year
Update for files that have been modified starting July 2008

Reviewed-by: ohair, tbell
2008-10-02 19:58:19 -07:00
Vladimir Kozlov
b15796424e 6747051: Improve code and implicit null check generation for compressed oops
Push DecodeN node below the Null check to the non-null path to use the mach node without 0 test.

Reviewed-by: rasbold, never
2008-09-23 12:29:06 -07:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
2008-07-19 17:38:22 -04:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00