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 |
> |