RE: [arm-gnu] arm-2008q3 Vectorizing support
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RE: [arm-gnu] arm-2008q3 Vectorizing support
- To: Daniel Jacobowitz <dan@xxxxxxxxxxxxxxxx>
- Subject: RE: [arm-gnu] arm-2008q3 Vectorizing support
- From: "Shilimkar, Santosh" <santosh.shilimkar@xxxxxx>
- Date: Wed, 26 Nov 2008 17:37:48 +0530
Is this issue fixed in the latest version ' http://www.codesourcery.com/gnu_toolchains/arm'
It says 'Better NEON vectorization! '
I tried but still don't see the correct assembly getting generated.
Regards,
Santosh Shilimkar
> -----Original Message-----
> From: Daniel Jacobowitz [mailto:dan@xxxxxxxxxxxxxxxx]
> Sent: Tuesday, November 18, 2008 8:04 PM
> To: Shilimkar, Santosh
> Cc: arm-gnu@xxxxxxxxxxxxxxxx
> Subject: Re: [arm-gnu] arm-2008q3 Vectorizing support
>
> On Tue, Nov 18, 2008 at 07:43:29PM +0530, Shilimkar, Santosh wrote:
> >
> > > -----Original Message-----
> > > From: Daniel Jacobowitz [mailto:dan@xxxxxxxxxxxxxxxx]
> > > Sent: Tuesday, November 18, 2008 7:41 PM
> > > To: Shilimkar, Santosh
> > > Cc: arm-gnu@xxxxxxxxxxxxxxxx
> > > Subject: Re: [arm-gnu] arm-2008q3 Vectorizing support
> > >
> > > On Tue, Nov 18, 2008 at 07:38:26PM +0530, Shilimkar,
> Santosh wrote:
> > > > I tried with -O2 and -O3 as well. Didn't help.
> > >
> > > Please attach the code, if you can.
> >
> > Code attached.
>
> Thanks. I've opened an internal issue for this; there's something
> about this test case that confuses GCC's vectorizer :-( We'll get it
> fixed. I see that GCC can vectorize the inner loop if we use int
> instead of short.
>
> --
> Daniel Jacobowitz
> CodeSourcery
>
>