[tree-ssa] Mainline merge as of 2003-10-17

[Roger Sayle]

Richard Henderson wrote:
> > I have even identified the patch that broke ia64...
> > PR optimization/12347
>
> And I analyzed the failure.
>
> expand_return has special code to handle aggregate BLKmode to
> non-BLKmode copies.  Except with gimplification the expression
> gets moved out of the actual return pattern.  We need to be
> able to handle this condition anywhere.

Could this be related to PR target/8407 by any chance?
PR8407 is an example if a non-BLKmode to BLKmode copy on IA-64.

Roger
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