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From "Ilya Berezhniuk (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5098) Support for uncompressed heap references in gc
Date Tue, 20 Nov 2007 03:02:43 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543761

Ilya Berezhniuk commented on HARMONY-5098:

I saw several warnings during GC_GEN compilation because of implicit conversion from integer
to Boolean.
The !!(<integer value>) construct is often used to convert integer values to boolean.
It's identical to (Boolean)(<integer value>) conversion.

I've already found a cause of problem with monitors access (there was hardcoded 4-byte offset).
Now I'm running acceptance tests to check the patch on JITs.

I'm going to provide updated patch soon together with corrected changes in build for supporting
2 GC instances.
Chunrong, if you don't like !!() conversion, I'll change all such places to C-style (Boolean)()
conversion in the next patch.

> Support for uncompressed heap references in gc
> ----------------------------------------------
>                 Key: HARMONY-5098
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5098
>             Project: Harmony
>          Issue Type: New Feature
>          Components: DRLVM
>            Reporter: Rana Dasgupta
>         Attachments: gc_ref02.patch, H5098.uncompRef.patch, uncompress.patch
> JIRA issue for gc changes to support uncompressed 64 bit references

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