PPC WRC+ctrlra+ctrlisyncap "RfePR DpCtrldWRA RfeAA DpCtrlIsyncdRAP Fre" Cycle=RfeAA DpCtrlIsyncdRAP Fre RfePR DpCtrldWRA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfePR DpCtrldWRA RfeAA DpCtrlIsyncdRAP Fre { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 1:r6=ok; 2:r2=y; 2:r4=x; 2:r6=ok; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | lwarx r1,r0,r2 ; stw r1,0(r2) | cmpw r1,r1 | stwcx. r1,r0,r2 ; | beq LC00 | bne Fail2 ; | LC00: | cmpw r1,r1 ; | li r3,1 | beq LC01 ; | lwarx %sta,r0,r4 | LC01: ; | stwcx. r3,r0,r4 | isync ; | bne Fail1 | lwz r3,0(r4) ; | b Exit1 | b Exit2 ; | Fail1: | Fail2: ; | li r5,0 | li r5,0 ; | stw r5,0(r6) | stw r5,0(r6) ; | Exit1: | Exit2: ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)