Re: Remove wengophone from arm arch, please

[Thiemo Seufer <ths@networkno.de>]

Riku Voipio wrote:
> On Thu, May 01, 2008 at 11:20:50PM -0700, Ludovico Cavedon wrote:
> > the package wengophone started failing build on arm architecture because
> > of an internal compiler error of gcc.
> 
> This is due to gcc-4.3 bug #476460. You can workaround it by a) not
> using -funroll-loops on arm/armel b) using gcc-4.2 on arm/armel. We'll
> soon have to consider changing the default gcc on armen back to gcc-4.2.
> 
> While ICEing compiler is really bad, I do wonder if unrolling loops
> does anything good arm cpus, which typically have less 32K of
> instruction cache..

Moderate unrolling will certainly be beneficial for performance (as
opposed to -funroll-all-loops).


Thiemo