PPC WW+RW+RW+RR+WR+lwsync+lwsync+sync+lwsync+sync
"LwSyncdWW Rfe LwSyncdRW Rfe SyncdRW Rfe LwSyncdRR Fre SyncdWR Fre"
Cycle=Rfe SyncdRW Rfe LwSyncdRR Fre SyncdWR Fre LwSyncdWW Rfe LwSyncdRW
Relax=LwSyncdWW LwSyncdRW LwSyncdRR
Safe=Rfe Fre SyncdWR SyncdRW
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:a=W,3:a=F,3:b=T,4:b=F,4:x=T
Com=Rf Rf Rf Fr Fr
Orig=LwSyncdWW Rfe LwSyncdRW Rfe SyncdRW Rfe LwSyncdRR Fre SyncdWR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=z;
2:r2=z; 2:r4=a;
3:r2=a; 3:r4=b;
4:r2=b; 4:r4=x;
}
P0 | P1 | P2 | P3 | P4 ;
li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) | lwz r1,0(r2) | li r1,1 ;
stw r1,0(r2) | lwsync | sync | lwsync | stw r1,0(r2) ;
lwsync | li r3,1 | li r3,1 | lwz r3,0(r4) | sync ;
li r3,1 | stw r3,0(r4) | stw r3,0(r4) | | lwz r3,0(r4) ;
stw r3,0(r4) | | | | ;
exists
(1:r1=1 /\ 2:r1=1 /\ 3:r1=1 /\ 3:r3=0 /\ 4:r3=0)