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Re: [PATCH] Fix PR26439


On Thu, 23 Feb 2006, Diego Novillo wrote:

> Richard Guenther wrote:
> 
> > Pinskia changed complex types to be considered candidates for decomposing
> > with SFTs.  I vaguely remember him having problems including them in
> > AGGREGATE_TYPE_P - partly because sometimes complex variables are
> > SSA_NAMEs I guess.
> > 
> If we decompose complex types with SFTs, then they cannot be gimple
> registers.
> 
> Oh, but we have DECL_COMPLEX_GIMPLE_REG_P.  We probably registerize them
> if they're always accessed whole (not sure I like that too much).

I guess with complex lowering and SFTing we can maybe drop 
DECL_COMPLEX_GIMPLE_REG_P and make complex types aggregates always?  Did 
we have testcases that show(ed) improvements with the 
DECL_COMPLEX_GIMPLE_REG_P stuff?

Richard.


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