PPC WW+RR+WW+RW+poaas "PodWWAA RfeAA PodRRAA FreAA PodWWAA RfeAA PodRWAA WseAA" Prefetch=0:x=F,1:z=T,3:x=W Com=Rf Fr Rf Ws Orig=PodWWAA RfeAA PodRRAA FreAA PodWWAA RfeAA PodRWAA WseAA { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=z; 1:r6=ok; 2:r2=z; 2:r4=a; 2:r6=ok; 3:r2=a; 3:r4=x; 3:r6=ok; } P0 | P1 | P2 | P3 ; li r1,2 | lwarx r1,r0,r2 | li r1,1 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | stwcx. r1,r0,r2 | lwarx %sta,r0,r2 | stwcx. r1,r0,r2 ; stwcx. r1,r0,r2 | bne Fail1 | stwcx. r1,r0,r2 | bne Fail3 ; bne Fail0 | lwarx r3,r0,r4 | bne Fail2 | li r3,1 ; li r3,1 | stwcx. r3,r0,r4 | li r3,1 | lwarx %sta,r0,r4 ; lwarx %sta,r0,r4 | bne Fail1 | lwarx %sta,r0,r4 | stwcx. r3,r0,r4 ; stwcx. r3,r0,r4 | b Exit1 | stwcx. r3,r0,r4 | bne Fail3 ; bne Fail0 | Fail1: | bne Fail2 | b Exit3 ; b Exit0 | li r5,0 | b Exit2 | Fail3: ; Fail0: | stw r5,0(r6) | Fail2: | li r5,0 ; li r5,0 | Exit1: | li r5,0 | stw r5,0(r6) ; stw r5,0(r6) | | stw r5,0(r6) | Exit3: ; Exit0: | | Exit2: | ; ~exists (ok=1 /\ x=2 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1)