PPC WW+RR+WW+RR+sync+addr+sync+addr
"SyncdWW Rfe DpAddrdR Fre SyncdWW Rfe DpAddrdR Fre"
Prefetch=1:z=T,3:x=T
Com=Rf Fr Rf Fr
Orig=SyncdWW Rfe DpAddrdR Fre SyncdWW Rfe DpAddrdR Fre
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z;
2:r2=z; 2:r4=a;
3:r2=a; 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 ;
sync | lwzx r4,r3,r5 | sync | lwzx r4,r3,r5 ;
li r3,1 | | li r3,1 | ;
stw r3,0(r4) | | stw r3,0(r4) | ;
exists
(1:r1=1 /\ 1:r4=0 /\ 3:r1=1 /\ 3:r4=0)