matching constraints in asm operands question

Andrew Pinski pinskia@physics.uc.edu
Wed Mar 2 00:59:00 GMT 2005


On Mar 1, 2005, at 7:54 PM, Peter Barada wrote:

> which seems to work, but I'm really concerned about the manuals
> warning of the input and output operads being in seperate places.
>
> Which form is correct?

static __inline__ void atomic_inc(atomic_t *v)
{
	__asm__ __volatile__("addql #1,%0" : "+m" (*v));
}

Works just fine, every where I know of.  It is the same as you last
example also.

-- Pinski




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