[patch] Merge to trunk from Graphite branch

[Jack Howarth]

On Sat, Mar 13, 2010 at 07:15:07PM +0100, Toon Moene wrote:
> Sebastian Pop wrote:
>
>> I just merged the Graphite branch back to trunk.  This solved
>> PR43349 for which I just added the testcase, as I already have
>> taken care of it in the Graphite branch.
>
> Hmmm, is it just me or ...
>
> If I commpile:
>
>       subroutine sum(a, b, c, n)
>       integer i, n
>       real a(n), b(n), c(n)
>       do i = 1, n
>          c(i) = a(i) + b(i)
>       enddo
>       end
>
> with -g -O3 -S and with -g -O3 -fgraphite-identity I strongly get the  
> impression that -fgraphite-identity turns off vectorization (which is on  
> by default with -O3).
>
> Or am I missing something ...
>
> -- 
> Toon Moene - e-mail: toon@moene.org - phone: +31 346 214290
> Saturnushof 14, 3738 XG  Maartensdijk, The Netherlands
> At home: http://moene.org/~toon/
> Progress of GNU Fortran: http://gcc.gnu.org/gcc-4.5/changes.html

  Speaking of vectorizations, what ever became of the efforts to 
address PR33113?

http://gcc.gnu.org/ml/gcc/2009-08/msg00057.html

The proposed patch that Dorit was impressed by...

http://gcc.gnu.org/ml/gcc-patches/2009-01/msg01174.html

doesn't seem to have gone anywhere.
                    Jack