Re: Fw: [PATCH] Unrolling addressing optimization

[Revital Eres <ERES at il dot ibm dot com>]

Hello,

Attached is the patch updated for the current mainline.
The patch is adjusted to Zdenek Dvorak patch for handling 
reg_equal/equiv notes. 
(http://gcc.gnu.org/ml/gcc-patches/2004-04/msg01740.html)

Bootstrapped & regression tests on POWER4. 

Thanks,
Revital







Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
04/06/2004 21:25
 
        To:     Revital Eres/Haifa/IBM@IBMIL
        cc:     gcc-patches@gcc.gnu.org
        Subject:        Re: Fw: [PATCH] Unrolling addressing optimization


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

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