Gentoo Archives: gentoo-user

From: Zhang Jun <gb2313@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] AMD Turion64x2 CFLAGS
Date: Thu, 12 Feb 2009 12:34:59
Message-Id: a4e18fef0902120434j4c15b1b5nfa08ab27b25a3735@mail.gmail.com
In Reply to: Re: [gentoo-user] AMD Turion64x2 CFLAGS by Joost Roeleveld
1 thanks!
2 I'm new to gentoo,
3 I get the CFLAGS from gentoo-wiki(
4 http://en.gentoo-wiki.com/wiki/Safe_Cflags/AMD#Turion64_.2F_X2_.2F_Ultra
5 )
6 and I am using 32bit linux.
7
8 2009/2/12 Joost Roeleveld <joost@××××××××.org>:
9 > On Thu, February 12, 2009 12:52 pm, Zhang Jun wrote:
10 >> Hi list,
11 >>
12 >> my laptop's cpu is AMD Turion64x2, I've installed both 32bits Debian
13 >> testing and Gentoo on it,
14 >> from Debian there is no SSE3 in /proc/cpuinfo,
15 >> and I used CFLAGS="-O2 -march=athlon-xp -fomit-frame-pointer -pipe" on
16 >> gentoo, and I can not see SSE3 in cpuinfo also,
17 >>
18 >> I emerged x86info, and SSE3 is in its output:
19 >>
20 >> #x86info
21 >> x86info v1.21. Dave Jones 2001-2007
22 >> Feedback to <davej@××××××.com>.
23 >>
24 >> Found 2 CPUs
25 >> --------------------------------------------------------------------------
26 > <snipped output>
27 >
28 >> my question is: I can not see SSE3 in cpuinfo because I did not use
29 >> "-msse3" in CFLAGS ?
30 >
31 > Hi,
32 >
33 > I would suspect that for your CPU using "-march=athlon-fx" would be more
34 > beneficial as your CPU has the x86_64 instruction set as well?
35 >
36 > --
37 > Joost
38 >
39 >
40 >

Replies

Subject Author
Re: [gentoo-user] AMD Turion64x2 CFLAGS Joost Roeleveld <joost@××××××××.org>