Modification to the write barrier

Vitaly Davidovich vitalyd at
Wed Dec 21 14:35:10 UTC 2011

I *think* it's in src/share/vm/opto/macro.cpp and graphKit.cpp ... do a
text search there and you'll find it
On Dec 21, 2011 4:22 AM, "Lokesh Gidra" <lokesh.gidra at> wrote:

> Hi,
> I want to make some modifications to the write barrier of the parallel
> scavenge GC. The changes I made are visible in interpreted mode, but not in
> JIT compiled code. Can someone please point me to the code location where I
> can find the code for write barrier for JIT compilation, so that I can run
> my test without -Xint option as well.
> Thanks in advance.
> Regards,
> Lokesh
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