
PPC posrr013
"DpdR Fre SyncdWW Rfe SyncdRW Rfe SyncdRW Rfe PosRR"
Cycle=DpdR Fre SyncdWW Rfe SyncdRW Rfe SyncdRW Rfe PosRR
Relax=PosRR
Safe=Fre DpdR BCSyncdWW BCSyncdRW
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z;
2:r2=z; 2:r4=a;
3:r2=a; 3:r6=x;
}
P0 | P1 | P2 | P3 ;
li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) ;
stw r1,0(r2) | sync | sync | lwz r3,0(r2) ;
sync | li r3,1 | li r3,1 | xor r4,r3,r3 ;
li r3,1 | stw r3,0(r4) | stw r3,0(r4) | lwzx r5,r4,r6 ;
stw r3,0(r4) | | | ;
exists
(1:r1=1 /\ 2:r1=1 /\ 3:r1=1 /\ 3:r3=1 /\ 3:r5=0)