PPC IRIW+pora+addr
"RfePR PodRRRA FreAP Rfe DpAddrdR Fre"
Cycle=Rfe DpAddrdR Fre RfePR PodRRRA FreAP
Prefetch=0:x=T,1:y=T,2:y=T,3:x=T
Com=Rf Fr Rf Fr
Orig=RfePR PodRRRA FreAP Rfe DpAddrdR Fre
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y;
3:r2=y; 3:r5=x;
}
P0 | P1 | P2 | P3 ;
li r1,1 | lwarx r1,r0,r2 | li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | lwarx r3,r0,r4 | stw r1,0(r2) | xor r3,r1,r1 ;
| stwcx. r3,r0,r4 | | lwzx r4,r3,r5 ;
| bne Fail1 | | ;
| b Exit1 | | ;
| Fail1: | | ;
| li r5,0 | | ;
| stw r5,0(r6) | | ;
| Exit1: | | ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r4=0)