Problems with inline assembler in gcc-3.2

Richard Henderson
Fri Oct 25 16:27:00 GMT 2002

On Fri, Oct 25, 2002 at 02:40:54PM +0530, Jaimon Jose wrote:
> static inline int atomic_inc(volatile int *p)
> {
> 	__asm__ __volatile__(
> 		"lock; incl %0"
> 		:"=m" (*p)
> 		:"0" (*p));

You're in dicey territory here.  The compiler believes that
you have two references to a volatile memory, and so it can't
put them at the same location.  This is clearly not what you

File a bug.  This should be handled more gracefully.


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