Why can't CSE recognize const_int's in HIGH LO_SUM pair?

[Daniel Berlin]

Richard Henderson <rth@redhat.com> writes:

> On Mon, Sep 10, 2001 at 02:09:00PM -0400, Daniel Berlin wrote:
> > Without rematerialization,  or live range splitting, we'd spill twice
>> as much as we would before here.
>
> But reload _does_ do simple rematerialization.  See
> reg_equiv_constant.
Right, but it's very *simple* rematerialization.
I had some numbers somewhere that said we do so much better with
advanced remat it's not even funny, but i don't recall them exactly,
so i don't want to quote them.


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> r~

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