Andreas Enge <andr...@enge.fr> skribis: > On Tue, Oct 08, 2013 at 11:05:04PM +0200, Ludovic Courtès wrote: >> Andreas Enge <andr...@enge.fr> skribis: >> > Also, the build uses >> > sse/sse2/... instructions according to what is available on the >> > processor; we might wish to disable all or at least the most advanced >> > of them in the long run. >> If it’s a matter of adding the right configure flag, I’d do it before >> it bites. > > The following will leave out any special instructions, as far as I can see: > + "-no-sse2" > + "-no-sse3" > + "-no-ssse3" > + "-no-sse4.1" > + "-no-sse4.2" > + "-no-avx" > + "-no-avx2" > + "-no-neon" > + "-no-mips_dsp" > + "-no-mips_dspr2")))) > > I do not know how much this slows down qt applications. According to > wikipedia, > sse2 arrived in 2001. So one could argue that adding it would exclude almost > no machines.
Yes, you may be right for SSE2 (especially considering the fact that this kind of software is typically used on fairly recent machines.) Ludo’.
