
PPC bclwsww000
"DpdR Fre LwSyncsWW Rfe DpdR Fre LwSyncsWW Rfe"
Cycle=DpdR Fre LwSyncsWW Rfe DpdR Fre LwSyncsWW Rfe
Relax=BCLwSyncsWW
Safe=Fre DpdR
{
0:r2=x;
1:r2=x; 1:r5=y;
2:r2=y;
3:r2=y; 3:r5=x;
}
P0 | P1 | P2 | P3 ;
li r1,1 | lwz r1,0(r2) | li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | xor r3,r1,r1 | stw r1,0(r2) | xor r3,r1,r1 ;
lwsync | lwzx r4,r3,r5 | lwsync | lwzx r4,r3,r5 ;
li r3,2 | | li r3,2 | ;
stw r3,0(r2) | | stw r3,0(r2) | ;
exists
(x=2 /\ y=2 /\ 1:r1=2 /\ 1:r4=0 /\ 3:r1=2 /\ 3:r4=0)