[erlang-patches] binary matching optimization error

Bjorn Gustavsson <>
Fri Aug 22 10:22:59 CEST 2008


2008/8/21 Christian von Roques <>

Thanks for the bug report and patch. I have added your examples to the test
suite.


> I've amended my patch, but still hope for a more complete solution
> from the Erlang team e.g. by placing the bs_save2 only in those
> control flow paths where they are needed and not modifying the
> original match context where it is still needed.
>

Placing the bs_save2 instructions only in the control flow paths where they
are needed does seem to be the best solution. I will try to implement that
for R12B-4 (if it turns out to be too involved to implement correctly, I
will
probably use your patch).

/Bjorn
-- 
Björn Gustavsson, Erlang/OTP, Ericsson AB
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