PPC WWC+porp+pora+A "RfeAR PodRWRP RfePR PodRWRA WseAA" Cycle=RfeAR PodRWRP RfePR PodRWRA WseAA Prefetch=0:x=F,2:x=W Com=Rf Rf Ws Orig=RfeAR PodRWRP RfePR PodRWRA WseAA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,2 | lwarx r1,r0,r2 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | li r3,1 | li r3,1 ; stwcx. r1,r0,r2 | stw r3,0(r4) | lwarx %sta,r0,r4 ; bne Fail0 | | stwcx. r3,r0,r4 ; b Exit0 | | bne Fail2 ; Fail0: | | b Exit2 ; li r3,0 | | Fail2: ; stw r3,0(r4) | | li r5,0 ; Exit0: | | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ x=2 /\ 1:r1=2 /\ 2:r1=1)