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Re: PR 17104


On Tue, Nov 02, 2004 at 12:47:09PM +0000, Nathan Sidwell wrote:
> of course, I forgot that.  but it still begs the question as to why
> expand_move tries to do this, rather than leave it for combine to spot.

Try a test case in which one load is used in a QImode context
and in a zero-extended SImode context.  Combine won't merge
the zero extend with the load because it only merges along
single-use chains.

Of course, I don't believe expand_move is the proper place to
tackle this either.


r~


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