
PPC LB+addrrp+popa
"DpAddrdWRP Rfe PodRWPA RfeAR"
Cycle=RfeAR DpAddrdWRP Rfe PodRWPA
Prefetch=
Com=Rf Rf
Orig=DpAddrdWRP Rfe PodRWPA RfeAR
{ ok=1;
0:r2=x; 0:r5=y;
1:r2=y; 1:r4=x; 1:r6=ok;
}
P0 | P1 ;
lwarx r1,r0,r2 | lwz r1,0(r2) ;
xor r3,r1,r1 | li r3,1 ;
li r4,1 | lwarx %sta,r0,r4 ;
stwx r4,r3,r5 | stwcx. r3,r0,r4 ;
| bne Fail1 ;
| b Exit1 ;
| Fail1: ;
| li r5,0 ;
| stw r5,0(r6) ;
| Exit1: ;
exists
(ok=1 /\ 0:r1=1 /\ 1:r1=1)