inline asm problem

Hans-Peter Nilsson hp@bitrange.com
Mon Mar 18 04:32:00 GMT 2002
On 18 Mar 2002, Ian Lance Taylor wrote:

> why not just do this:
>     __asm__ __volatile__ ("pmaddwd  %0, %%mm1" : : "m" (filt_cos + 8));

But don't forget to cast to char * so you're not surprised by
address arithmetic on the short-sized items (often two bytes):
    __asm__ __volatile__ ("pmaddwd  %0, %%mm1" : : "m" ((char *) filt_cos + 8));
or just say filt_cos + 4.

brgds, H-P



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