Request for code review - (ZEE patch : Redundant Zero extension elimination)

[Paolo Bonzini]

On 09/24/2009 08:24 AM, Ian Lance Taylor wrote:
> We already have the hooks, they have just been stuck in plugin.c when
> they should really be in the generic backend.  See register_pass.
>
> (Sigh, every time I looked at this I said "the pass control has to be
> generic" but it still wound up in plugin.c.)

Then I'll rephrase and say only that the pass should be in config/i386/.

Paolo