PPC LB+ctrlisyncpa+isyncpa "DpCtrlIsyncdWPA RfeAP ISyncdRWPA RfeAP" Cycle=RfeAP ISyncdRWPA RfeAP DpCtrlIsyncdWPA Prefetch= Com=Rf Rf Orig=DpCtrlIsyncdWPA RfeAP ISyncdRWPA RfeAP { ok=1; 0:r2=x; 0:r4=y; 0:r6=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; lwz r1,0(r2) | lwz r1,0(r2) ; cmpw r1,r1 | isync ; beq LC00 | li r3,1 ; LC00: | lwarx %sta,r0,r4 ; isync | stwcx. r3,r0,r4 ; li r3,1 | bne Fail1 ; lwarx %sta,r0,r4 | b Exit1 ; stwcx. r3,r0,r4 | Fail1: ; bne Fail0 | li r5,0 ; b Exit0 | stw r5,0(r6) ; Fail0: | Exit1: ; li r5,0 | ; stw r5,0(r6) | ; Exit0: | ; exists (ok=1 /\ 0:r1=1 /\ 1:r1=1)