matching constraints in asm operands question

[Hans-Peter Nilsson]

On Tue, 1 Mar 2005, Peter Barada wrote:
>
> I'm trying to improve atomic operations for ColdFir ein a 2.4 kernel, and
> I tried the following following the current online manual at:
> http://gcc.gnu.org/onlinedocs/gcc-3.4.3/gcc/Extended-Asm.html#Extended-Asm
>
> static __inline__ void atomic_inc(atomic_t *v)
> {
> 	__asm__ __volatile__("addql #1,%0" : "=m" (*v) : "0" (*v));
> }
>
> but that genreates *lots* of warning messages about "matching
> contstaint doesn't allow a register".

Sounds like a bug to me.

brgds, H-P