PPC WRW+2W+addrap+lwsyncap+A "RfeAA DpAddrdWAP WsePA LwSyncdWWAP WsePA" Cycle=RfeAA DpAddrdWAP WsePA LwSyncdWWAP WsePA Prefetch=0:x=F,1:y=W,2:y=F,2:x=W Com=Rf Ws Ws Orig=RfeAA DpAddrdWAP WsePA LwSyncdWWAP WsePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r5=y; 1:r7=ok; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,2 | lwarx r1,r0,r2 | li r1,2 ; lwarx %sta,r0,r2 | stwcx. r1,r0,r2 | lwarx %sta,r0,r2 ; stwcx. r1,r0,r2 | bne Fail1 | stwcx. r1,r0,r2 ; bne Fail0 | xor r3,r1,r1 | bne Fail2 ; b Exit0 | li r4,1 | lwsync ; Fail0: | stwx r4,r3,r5 | li r3,1 ; li r3,0 | b Exit1 | stw r3,0(r4) ; stw r3,0(r4) | Fail1: | b Exit2 ; Exit0: | li r6,0 | Fail2: ; | stw r6,0(r7) | li r5,0 ; | Exit1: | stw r5,0(r6) ; | | Exit2: ; exists (ok=1 /\ x=2 /\ y=2 /\ 1:r1=2)