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Bug ID: 6474965 extend type system to take advantage of escape analysis
6474965 : extend type system to take advantage of escape analysis

Details
Type:
Bug
Submit Date:
2006-09-25
Status:
Resolved
Updated Date:
2010-04-02
Project Name:
JDK
Resolved Date:
2006-11-14
Component:
hotspot
OS:
generic
Sub-Component:
compiler
CPU:
generic
Priority:
P3
Resolution:
Fixed
Affected Versions:
7
Fixed Versions:
hs10

Related Reports
Backport:
JDK-2171843 - extend type system to take advantage of escape analysis
Backport:
JDK-2176779 - extend type system to take advantage of escape analysis
Relates:
JDK-6493180 - C2 Error: SoftMatchFailure is not allowed

Sub Tasks

Description
The type system needs to be extended to represent information about non-escaping
objects computed by escape analysis.

Comments
EVALUATION

The type sytem will be changed to add a new class of types for "unique instances."
These are objects which we have determined are unique and cannot alias any other
objects, even objects of the same type.
2006-09-25


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