On Sat, 18 May 2013 12:14:35 -0700
Matt Turner wrote:
> > MMX2/MMXEXT still confuses me.
>
> SSE1 and /Enhanced/ 3DNow! added some extra MMX instructions. Some
> (pshufw and pmulhuw particularly) turn out to be rather useful in
> software compositing. I use them in the pixman MMX code.
>
> See
Am 19.05.2013 18:03, schrieb viv...@gmail.com:
> On 05/19/13 17:47, Alexis Ballier wrote:
>> On Sat, 18 May 2013 22:31:11 -0400
>> "Walter Dnes" wrote:
>>
>> [...]
>>> ...shouldn't "mmxext" be moved out of use.local.desc into use.desc?
>>
>> all the cpu flags should be global IMHO, regardless of h
On Sun, May 19, 2013 at 8:47 AM, Alexis Ballier wrote:
> On Sat, 18 May 2013 22:31:11 -0400
> "Walter Dnes" wrote:
>
> [...]
>> ...shouldn't "mmxext" be moved out of use.local.desc into use.desc?
>
>
> all the cpu flags should be global IMHO, regardless of how many packages
> use them: we already
On 05/19/13 17:47, Alexis Ballier wrote:
> On Sat, 18 May 2013 22:31:11 -0400
> "Walter Dnes" wrote:
>
> [...]
>> ...shouldn't "mmxext" be moved out of use.local.desc into use.desc?
>
> all the cpu flags should be global IMHO, regardless of how many packages
> use them: we already mask/unmask them
On Sat, 18 May 2013 22:31:11 -0400
"Walter Dnes" wrote:
[...]
> ...shouldn't "mmxext" be moved out of use.local.desc into use.desc?
all the cpu flags should be global IMHO, regardless of how many packages
use them: we already mask/unmask them globally on arches where they are
irrelevant.
Alexi
On Sat, May 18, 2013 at 12:14:35PM -0700, Matt Turner wrote
> The particularly annoying thing about using them is that there's no
> -mmmx2 or -mmmxext...
Now that you mention it...
[i660][waltdnes][~] grep mmxext /usr/portage/profiles/use.local.desc
media-libs/libpostproc:mmxext - Enable mmx2
On Fri, May 17, 2013 at 9:39 PM, Ryan Hill wrote:
> On Wed, 15 May 2013 16:59:57 +0200
> yac wrote:
>
>> Hi,
>>
>> I was recently investigating what cpu flags do I have and how does it
>> work. I have put what I have so far at [1].
>>
>> So I thought I let you know in case someone wants to chip i
On Wed, 15 May 2013 16:59:57 +0200
yac wrote:
> Hi,
>
> I was recently investigating what cpu flags do I have and how does it
> work. I have put what I have so far at [1].
>
> So I thought I let you know in case someone wants to chip in.
>
> [1] https://github.com/yaccz/cufd
I've seen gcc -Q
