regex direct support for sse4 intrinsics

[Timon Gehr]

On 03/26/2012 09:10 PM, Dmitry Olshansky wrote:
>
> Speaking more of run-time version of regex, it is essentially running a
> VM that executes instructions that do various kinds of match-this,
> match-that. The VM dispatch code is quite slow, the optimal _threaded_
> code requires either doing it in _assembly_ or _computed_ goto in the
> language.

Language-enforced tail call optimization would probably work too.