Gentoo Archives: gentoo-user

From: Walter Dnes <waltdnes@××××××××.org>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] mmx use flag on Pentium 4
Date: Sat, 24 Sep 2005 22:00:03
Message-Id: 20050924215524.GA22920@waltdnes.org
In Reply to: Re: [gentoo-user] mmx use flag on Pentium 4 by Jonathan Wright
1 On Sat, Sep 24, 2005 at 09:45:30PM +0100, Jonathan Wright wrote
2
3 > In theory, yes it is sort of obsolete - sse and sse2 are the preferred
4 > method. However, so long as you have specified -march=pentium4 (and
5 > -mcpu=pentium4 or -mtune=pentium4 with >=gcc-3.4) mmx/sse/sse2 will be
6 > implied as part of the compilation process.
7 >
8 > As for mplayer - unless you set the appropriate use flag, then almost
9 > all C(XX)FLAGS will be remove from the process as (like gaim) it is
10 > notoriously flaky with anything other than the basic settings.
11
12 I'm running gcc 3.3.6. I just ran "emerge --sync" a few minutes ago.
13 Running "emerge --ask --deep --update --world" doesn't mention gcc. Are
14 you unmasking a test version?
15
16 --
17 Walter Dnes <waltdnes@××××××××.org>
18 My musings on technology and security at http://tech_sec.blog.ca
19 --
20 gentoo-user@g.o mailing list

Replies

Subject Author
Re: [gentoo-user] mmx use flag on Pentium 4 Jonathan Wright <mail@×××××××××.uk>