On 12/19/06, Jakob <[EMAIL PROTECTED]> wrote:
On 12/19/06, Boyd Stephen Smith Jr. <[EMAIL PROTECTED]> wrote: > On Tuesday 19 December 2006 13:48, Jakob <[EMAIL PROTECTED]> wrote > about 'Re: [gentoo-user] CFLAGS Core2Duo': > > Thaks for the quick reply. > > On http://gentoo-wiki.com/Safe_Cflags they say for 32bit use: > > CFLAGS="-march=prescott -O2 -pipe -fomit-frame-pointer" > > Is this wat you meant for better -march settings? > > Specifically, I meant that -march=prescott is probably better > than -march=pentium-m. If you use Konqueror, hit <URL: info:/gcc/i386 and > x86-64 Options >; or just use your favorite infotext reader to look at the > x86(_64) machine specific options, so you are generating code tuned > particularly to your processor. > > > I was confused by the GWN because they didnt say its for 64bit only. > > Well, a lot of people assume that buying a 64-bit processor means you > actually want to use the extra bits (and registers). Of course, it's > getting harder and harder to buy a non-64 bit chip. > > -- > "If there's one thing we've established over the years, > it's that the vast majority of our users don't have the slightest > clue what's best for them in terms of package stability." > -- Gentoo Developer Ciaran McCreesh > > > Its funny till yesterday I didnt even know It supports 64bit ;-) I think I will change to -march=prescott and stick with 32bit. do I have to run emerge -avuD world after changing to -march=prescott?
for now I will stick with 32bit, I think I will Install 64bit to another partition in some weeks -- gentoo-user@gentoo.org mailing list
