IA64 division code patch with data flow bug in -fweb optimization

Canqun Yang canqun@yahoo.com.cn
Wed Feb 21 17:20:00 GMT 2007


Hi, all
 
> 
> > +;; Reciprical approximation
> > +
> > 
> > The value of operand0 doesn't depend only on operand3, the manual says that it 
> > also depends on operand2.  The description must reflect that.
> > 
> > -- 
> > Eric Botcazou
> 
> Excellent.  Thank you very much Eric.  I made this change and it is
> looking better on my small test cases.  I will try another bootstrap to
> see if I have any other problems.
> 
> Steve Ellcey
> sje@cup.hp.com
> 
> 

I am very instrested in this new implementation of division expanding. Would you please tell me
how to describe the dependence?

Regards

Canqun


		
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