PPC SB+syncpa+lwsyncaa "SyncdWRPA FreAA LwSyncdWRAA FreAP" Cycle=FreAA LwSyncdWRAA FreAP SyncdWRPA Prefetch=0:y=T,1:x=T Com=Fr Fr Orig=SyncdWRPA FreAA LwSyncdWRAA FreAP { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 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 ; lwarx r3,r0,r4 | bne Fail1 ; stwcx. r3,r0,r4 | lwsync ; bne Fail0 | lwarx r3,r0,r4 ; b Exit0 | stwcx. r3,r0,r4 ; Fail0: | bne Fail1 ; li r5,0 | b Exit1 ; stw r5,0(r6) | Fail1: ; Exit0: | li r5,0 ; | stw r5,0(r6) ; | Exit1: ; exists (ok=1 /\ 0:r3=0 /\ 1:r3=0)