PPC WRC+ctrlisyncra+ctrlisyncrp "RfePR DpCtrlIsyncdWRA RfeAR DpCtrlIsyncdRRP Fre" Cycle=RfeAR DpCtrlIsyncdRRP Fre RfePR DpCtrlIsyncdWRA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfePR DpCtrlIsyncdWRA RfeAR DpCtrlIsyncdRRP Fre { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | lwarx r1,r0,r2 ; stw r1,0(r2) | cmpw r1,r1 | cmpw r1,r1 ; | beq LC00 | beq LC01 ; | LC00: | LC01: ; | isync | isync ; | li r3,1 | lwz r3,0(r4) ; | lwarx %sta,r0,r4 | ; | stwcx. r3,r0,r4 | ; | bne Fail1 | ; | b Exit1 | ; | Fail1: | ; | li r5,0 | ; | stw r5,0(r6) | ; | Exit1: | ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)