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 -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
