testsuite run-time test for sse2 support

[Joel Sherrill]

Thank you.  I will rerun the tests on this target overnight
with this change along with disabling profiling tests
for *-*-rtems*.

It looks like the wheat and chafe are separating a bit. :)

--joel

Uros Bizjak wrote:
> Joel Sherrill wrote:
>
>   
>> This is with the Fedora 8 qemu 0.90 RPM.  There was a 0.91
>> release in January and the ChangeLog mentions a new cpu model
>> command line option.  It looks like it might be better although
>> another command line I was using broke. <sigh>
>>
>> Just to be sure this looks OK in qemu 0.9.1, here is the output
>> of the test program with the supported cpu models:
>>
>> -cpu 486 results in
>>
>>    ext=0x0 sig=0x756e6547 returned=0x0
>>    __get_cpuid returned 0
>>
>> -cpu pentium results in
>>    ext=0x0 sig=0x756e6547 returned=0x1
>>    0x8001bf NO on SSE2
>>
>> -cpu pentium2 results in
>>    ext=0x0 sig=0x756e6547 returned=0x2
>>    0x183f9ff NO on SSE2
>>
>> -cpu pentium3 results in
>>    ext=0x0 sig=0x756e6547 returned=0x2
>>    0x383f9ff NO on SSE2
>>
>> And this one just to keep things weird.  Does it make sense?
>>     
>
> Yes, these make sense.
>
>   
>> -cpu qemu32 results in
>>    ext=0x0 sig=0x756e6547 returned=0x2
>>    0x781abfd YES on SSE2
>>     
> I never heard of x86 processor named qemu32. ;)
>
> Uros.
>
>   


-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill@OARcorp.com        On-Line Applications Research
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