PPC WRC+ctrlrp+ctrlisyncrp+A "RfeAR DpCtrldWRP RfePR DpCtrlIsyncdRRP FrePA" Cycle=RfeAR DpCtrldWRP RfePR DpCtrlIsyncdRRP FrePA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfeAR DpCtrldWRP RfePR DpCtrlIsyncdRRP FrePA { ok=1; 0:r2=x; 0:r4=ok; 1:r2=x; 1:r4=y; 2:r2=y; 2:r4=x; } P0 | P1 | P2 ; li r1,1 | lwarx r1,r0,r2 | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | cmpw r1,r1 | cmpw r1,r1 ; stwcx. r1,r0,r2 | beq LC00 | beq LC01 ; bne Fail0 | LC00: | LC01: ; b Exit0 | li r3,1 | isync ; Fail0: | stw r3,0(r4) | lwz r3,0(r4) ; li r3,0 | | ; stw r3,0(r4) | | ; Exit0: | | ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)