RE : Re: [Qemu-devel] cvttps2dq, movdq2q, movq2dq incorrect behaviour

[Sylvain Petreolle]

--- Julian Seward <address@hidden> a écrit :
> >
> > Running it on a CPU without SSE2, if i'm allowed to venture a gues.
> 
> Yup.  Try 'strace ./sse2test' and see if it gets SIGILLs thrown at it.
> 
> J
> 
You are right, I get SIGILLs. 
Seems I was wrong thinking Athlon xp was able to support sse2.

--- SIGILL (Illegal instruction) @ 0 (0) ---
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
fstat64(1, {st_mode=S_IFREG|0644, st_size=1613, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 
0xb7f3e000
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
--- SIGILL (Illegal instruction) @ 0 (0) ---
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
--- SIGILL (Illegal instruction) @ 0 (0) ---
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
--- SIGILL (Illegal instruction) @ 0 (0) ---
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
write(1, "cvttps2dq_1 ... failed\ncvttps2dq"..., 88cvttps2dq_1 ... failed


Kind regards,
Sylvain Petreolle (aka Usurp)
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