Fw: [PATCH] Unrolling addressing optimization

[Zdenek Dvorak]

Hello,

> Attached is the new improved version of the unrolling addressing 
> optimization patch.
> We added a new functionally which moves the initialization of the base 
> addr (addr =&a[i]) to the preheader
> during the unrolling.
> 
> Bootstrapped & regression tests on POWER4.
> 
> Zdenek - l had to change the way the right side of a set rtx is extracted 
> in loop-iv.c file
> in order to adjust it to the  new functionally. Do you agree with this?

please update the patch for the current mainline; the bug you are trying
to workaround with this was fixed a week or two ago.

Zdenek