RE: [B2-devel] Optimizations to AltiVec code now in CVS

[Robert S. <ro...@xb...>]

I will just update gcc to what ever the current version is.  I check the
headers and the seem to be fine.  This was a fresh install of slack Called I
had got into tweaking the 2.6 kernel a little to much and well I kinda
killed linux.  So I had to format and reinstall everything.  But I will just
update toe the latest and check slack ftp for updates not that ever really
been a a lot of updates for it but I will check try again and report. 

-----Original Message-----
From: bas...@li...
[mailto:bas...@li...] On Behalf Of Gwenole
Beauchesne
Sent: Sunday, February 22, 2004 5:48 AM
To: bas...@li...
Subject: Re: [B2-devel] Optimizations to AltiVec code now in CVS

Hi,

> In file included from ../kpx_cpu/src/cpu/ppc/ppc-dyngen-ops.cpp:1493:
> /usr/lib/gcc-lib/i486-slackware-linux/3.2.3/include/xmmintrin.h: In 
> function
>    `void _mm_stream_pi(vector int*, vector int)':
> /usr/lib/gcc-lib/i486-slackware-linux/3.2.3/include/xmmintrin.h:1036: 
> cannot
>    convert `vector int*' to `long long unsigned int*' for argument `1' 
> to
> `void
>    __builtin_ia32_movntq(long long unsigned int*, long long unsigned 
> int)'

AFAIK, there is no "vector" definition in any released gcc for x86. SSE
types are generally defined as __attribute__((__mode__(__V4SI__))) &
friends.

I tried a build with 3.2.2, 3.3.1, 3.3.2 and 3.4, they are all fine. 
Note that on AMD64, you would need to arrange <xmmintrin.h> a little if you
were to use 3.3.1-4mdk. You will have to check your headers and possibly
report to your distributor. Look around
ppc-dyngen-ops.cpp:1493 and try to excercise a testcase. I simply know that
MDK compilers are fine. ;-)

Bye,
Gwenole



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