On Tue, Jun 20 2006, Jens Axboe wrote: > On Tue, Jun 20 2006, malc wrote: > > On Tue, 20 Jun 2006, Sylvain Petreolle wrote: > > > > >--- Julian Seward <[EMAIL PROTECTED]> 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 > > > > > >[EMAIL PROTECTED] qemu]$ gcc --version > > >gcc (GCC) 4.1.1 20060525 (Red Hat 4.1.1-1) > > > > > >[EMAIL PROTECTED] qemu]$ gcc -msse2 sse2test.c -o sse2test > > >[EMAIL PROTECTED] 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. > > Doesn't work for me, either: > > [EMAIL PROTECTED]:/home/axboe $ ./a > cvttps2dq_1 ... not ok > result0.sd[0] = 0 (expected 12) > result0.sd[1] = 0 (expected 56) > result0.sd[2] = 0 (expected 43) > result0.sd[3] = 0 (expected 87) > cvttps2dq_2 ... not ok > result0.sd[0] = 0 (expected 12) > result0.sd[1] = 0 (expected 56) > result0.sd[2] = 0 (expected 43) > result0.sd[3] = 0 (expected 87) > movdq2q_1 ... not ok > result0.uq[0] = 240518168588 (expected 5124095577148911) > movq2dq_1 ... not ok > result0.uq[0] = 0 (expected 5124095577148911) > result0.uq[1] = 0 (expected 0) > [EMAIL PROTECTED]:/home/axboe $ ./a > Segmentation fault > > Varies between the two. Compiling without -O2 makes the last two > suceed, the others still not. This CPU has sse2.
32-bit version works, as intended I guess. -- Jens Axboe _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel
