List of simplifications we should perform

[Theodore Papadopoulo]

moene@knmi.nl said:
> 
> > Then it looks like a bug, since clearly
> >
> >       x + !!j != x + j
> >
> > Just consider j = 2 

Unless, this simplification is just for if (!!j).
With Andy's remarks, it makes sense to add another
simplification to the list:

if (j?1:0)  --> if (j)

Can simplify-rtx do this ??

	Theo.

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Theodore Papadopoulo
Email: Theodore.Papadopoulo@sophia.inria.fr Tel: (33) 04 92 38 76 01
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