Client VM on amd64

[Florian Weimer]

There are some commits which reference C1 in the context of amd64 and
compressed oops.  Is this feature readily available in regular builds?
Perhaps even with OpenJDK 6?  -client does not seem to have any effect
(as witnessed by "java -version").

Even on larger machines, the client VM with -XX:+UseSerialGC could be
interesting for background monitoring daemons because its resource
consumption is supposed to be lower (especially with class data
sharing).  And amd64 support is important to maintain JNI
compatibility with the usual VM.

-- 
Florian Weimer                <fweimer at bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
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