Re: [Dri-devel] Mesa/DRI version for XFree86 4.3

[Keith W. <ke...@tu...>]

Brian Paul wrote:
> Michel D=E4nzer wrote:
>=20
>> On Don, 2002-12-12 at 15:29, Martin Spott wrote:
>>
>>>> XFree86 4.3 is going to go with a Mesa 4.0.x-based DRI because of ti=
me
>>>> constraints and stability concerns. [...]
>>>
>>>
>>> I didn't notice the Mesa-5.x-based stuff is less stable than the=20
>>> stuff you
>>> chose for XFree86-4.3,
>>
>>
>>
>> I'd mostly agree, but I guess the floating point exceptions are
>> showstoppers.
>=20
>=20
> It's still not clear what the cause of this is. I've heard two
> possibilities:
>=20
> 1. The new gcc (3.2 ?) emits MMX or SSE code unless you inhibit it with
> a command line switch.
>=20
> 2. A bogus test in Mesa determines that newer P4 processors have 3Dnow
> support.  This was fixed in the Mesa/src/X86/common_x86_asm.S file last
> month.

Neither of these seems to explain what's happening.

Keith