
PPC Z6.0+lwsync+addr+lwsync
"LwSyncdWW Rfe DpAddrdW Wse LwSyncdWR Fre"
Cycle=Rfe DpAddrdW Wse LwSyncdWR Fre LwSyncdWW
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r4=x;
}
P0 | P1 | P2 ;
li r1,1 | lwz r1,0(r2) | li r1,2 ;
stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) ;
lwsync | li r4,1 | lwsync ;
li r3,1 | stwx r4,r3,r5 | lwz r3,0(r4) ;
stw r3,0(r4) | | ;
exists
(z=2 /\ 1:r1=1 /\ 2:r3=0)