On the 0x332 day of Apache Harmony Pronichkin Dmitry wrote: > Hello, > > I want to make an optimization in arraycopy function as described in > [HARMONY-3584]. At present, the arraycopy call transforms into intrinsic > call. But in JIT there are also JITHelper calls which are almost the same as > intrinsic. The only difference is two "Tau" parameters. So, I would like to > know what is "Tau" and why is it needed.
in 7 words: Tau is to convert control-dependencies to data-dependencies. BTW, where are you from? :) If you are in Novosibirsk, you can ask Mikhail (Fursov) to explain it face2face. -- Egor Pasko
