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Re: RFC: expand from SSA form (1/2)


On Wed, Apr 22, 2009 at 12:12 PM, Paolo Bonzini <bonzini@gnu.org> wrote:
>
>>> TER is still supported and implemented by deferring expanding an
>>> assignment that is TERed to the place where it's actually used.
>>> That's a change from before: we don't insert the tree of the RHS
>>> directly into the tree that is going to be expanded.
>>
>> yeah, but TER is basically just a large expression table indexed by ssa
>> version. ?So you just carry that table through to expand and utilize it
>> as you encounter the single use during expansion right?
>
> We could use SSA_NAME_VALUE here, maybe?

No, we should get rid of that field ;)

Richard.

> Paolo
>


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