On Thu, Feb 23, 2017 at 04:31:34AM +1100, Richard Henderson wrote:
> On 02/23/2017 01:22 AM, Stafford Horne wrote:
> > > static inline int __atomic_add_unless(atomic_t *v, int a, int u)
> > > {
> > > int old, tmp;
> > >
> > > __asm__ __volatile__(
> > > "1: l.lwa %0, 0(%2) \n"
> > > " l.sfeq %0, %4 \n"
> > > " l.bf 2f \n"
> > > " l.nop \n"
> > > " l.add %1, %0, %3 \n"
>
> You can move this add into the delay slot and drop the preceding nop.
Thanks, Thats right, also here the 2: label being after the l.nop can be
applied. I should have thought about it. I made the change, Ill also
fix/look again in the other places.
-Stafford
>
> r~
