United StatesChange Country, Oracle Worldwide Web Sites Communities I am a... I want to...
JDK-7006044 : materialize cheap non-oop pointers on 64-bit SPARC

Details
Type:
Enhancement
Submit Date:
2010-12-10
Status:
Closed
Updated Date:
2011-04-23
Project Name:
JDK
Resolved Date:
2011-04-23
Component:
hotspot
OS:
generic
Sub-Component:
compiler
CPU:
generic
Priority:
P3
Resolution:
Fixed
Affected Versions:
hs20
Fixed Versions:
hs20 (b06)

Related Reports
Backport:
Backport:
Relates:

Sub Tasks

Description
After 6961690 we load non-oop pointers for the constant table which could easily be materialized in a few instructions.  This happens commonly with the init of the header word in an allocation.

                                    

Comments
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/7737fa7ec2b5
                                     
2010-12-15



Hardware and Software, Engineered to Work Together