Modification to the write barrier

Tom Rodriguez tom.rodriguez at
Wed Dec 21 17:46:07 UTC 2011

On Dec 21, 2011, at 8:15 AM, Jon Masamitsu wrote:

> Forwarding to hotspot-compiler-dev.
> On 12/21/2011 1:21 AM, Lokesh Gidra 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.

The C2 barrier code is in src/share/vm/opto/graphKit.cpp and the C1 code is in src/share/vm/c1/c1_LIRGenerator.cpp.


>> Thanks in advance.
>> Regards,
>> Lokesh

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