PPC IRIW+porr+addrpa
"RfePR PodRRRR FreRP Rfe DpAddrdRPA FreAP"
Cycle=Rfe DpAddrdRPA FreAP RfePR PodRRRR FreRP
Prefetch=0:x=T,1:y=T,2:y=T,3:x=T
Com=Rf Fr Rf Fr
Orig=RfePR PodRRRR FreRP Rfe DpAddrdRPA FreAP
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y;
2:r2=y;
3:r2=y; 3:r5=x; 3:r7=ok;
}
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 ;
| | | lwarx r4,r3,r5 ;
| | | stwcx. r4,r3,r5 ;
| | | bne Fail3 ;
| | | b Exit3 ;
| | | Fail3: ;
| | | li r6,0 ;
| | | stw r6,0(r7) ;
| | | Exit3: ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r4=0)