Gentoo Archives: gentoo-ppc-user

From: kahl@××××××××××××.ca
To: gentoo-ppc-user@l.g.o
Subject: Re: [gentoo-ppc-user] -mabi=altivec in CFLAGS
Date: Thu, 02 Dec 2010 16:11:02
In Reply to: [gentoo-ppc-user] -mabi=altivec in CFLAGS by Konstantin Tokarev
On Thu, Dec 02, 2010 at 05:50:38PM +0300, Konstantin Tokarev wrote:
> AFAIK, some packages (e.g., dev-cpp/eigen) can use AltiVec vectorization > only when -mabi=altivec is specified in GCC flags. > > Is it safe to use -mabi=altivec in global CFLAGS in make.conf?
I've had that ever since I startd using PowerPC, without any problems I that I would consider attributing to that.
> Does anybody know if the system will perform better or worse in average?
I did not do any comparisons. Wolfram