Executions for behaviour:
"1:r1=1 ; 1:r3=0 ; 2:r3=0 ; ok=1"
PPC RWC+isyncrr+syncaa+A "RfeAR ISyncdRRRR FreRA SyncdWRAA FreAA" Cycle=RfeAR ISyncdRRRR FreRA SyncdWRAA FreAA Prefetch=0:x=T,1:y=T,2:x=T Com=Rf Fr Fr Orig=RfeAR ISyncdRRRR FreRA SyncdWRAA FreAA { 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 r1,1 | lwarx r1,r0,r2 | li r1,1 ; lwarx %sta,r0,r2 | isync | lwarx %sta,r0,r2 ; stwcx. r1,r0,r2 | lwarx r3,r0,r4 | stwcx. r1,r0,r2 ; bne Fail0 | | bne Fail2 ; b Exit0 | | sync ; Fail0: | | lwarx r3,r0,r4 ; li r3,0 | | stwcx. r3,r0,r4 ; stw r3,0(r4) | | bne Fail2 ; Exit0: | | b Exit2 ; | | Fail2: ; | | li r5,0 ; | | stw r5,0(r6) ; | | Exit2: ; Observed 1:r1=1; 1:r3=0; 2:r3=0; ok=1;