Minor improvement when adding call-clobbered symbols

Laurent GUERBY laurent@guerby.net
Sun Mar 4 13:29:00 GMT 2007

Might have caused a few Ada ICEs: 



On Fri, 2007-03-02 at 14:18 -0500, Diego Novillo wrote:
> If a memory tag T is call-clobbered, the operand scanner will blindly 
> add *all* the members of T's alias set to every call-site, regardless of 
> their individual clobbered state.
> This patch fixes that.  It should not give a huge improvement, but it 
> happens in some places.  Bootstrapped and tested x86, x86-64, ia64 and i686.

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