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Date: Tue, 20 Jun 2006 17:51:17 +0400 (MSD)
From: malc <malc@pulsesoft.com>
Subject: Re: RE : [Qemu-devel] cvttps2dq, movdq2q, movq2dq incorrect behaviour
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To: spetreolle@users.sourceforge.net, qemu-devel@nongnu.org

On Tue, 20 Jun 2006, Sylvain Petreolle wrote:

> --- Julian Seward <jseward@acm.org> a ?crit :
>>
>> The SSE2 instructions cvttps2dq, movdq2q, movq2dq do not behave
>> correctly, as shown by the attached program.  It should print
>>
>>   cvttps2dq_1 ... ok
>>   cvttps2dq_2 ... ok
>>   movdq2q_1 ... ok
>>   movq2dq_1 ... ok
>>
>>
>
> I tried your program on my linux station :
> CPU: AMD Athlon(tm) XP 1600+ stepping 02
>
> [syl@wine qemu]$ gcc --version
> gcc (GCC) 4.1.1 20060525 (Red Hat 4.1.1-1)
>
> [syl@wine qemu]$ gcc -msse2 sse2test.c -o sse2test
> [syl@wine qemu]$ ./sse2test
> cvttps2dq_1 ... failed
> cvttps2dq_2 ... failed
> movdq2q_1 ... failed
> movq2dq_1 ... failed
>
> what am i doing wrong here ?

Running it on a CPU without SSE2, if i'm allowed to venture a gues.

--
mailto:malc@pulsesoft.com