PPC SB+sync+lwsyncap "SyncdWR FrePA LwSyncdWRAP Fre" Cycle=FrePA LwSyncdWRAP Fre SyncdWR Prefetch=0:y=T,1:x=T Com=Fr Fr Orig=SyncdWR FrePA LwSyncdWRAP Fre { ok=1; 0:r2=x; 0:r4=y; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; li r1,1 | li r1,1 ; stw r1,0(r2) | lwarx %sta,r0,r2 ; sync | stwcx. r1,r0,r2 ; lwz r3,0(r4) | bne Fail1 ; | lwsync ; | lwz r3,0(r4) ; | b Exit1 ; | Fail1: ; | li r5,0 ; | stw r5,0(r6) ; | Exit1: ; exists (ok=1 /\ 0:r3=0 /\ 1:r3=0)