PPC WRC+datarp+ctrlisync+A "RfeAR DpDatadWRP Rfe DpCtrlIsyncdR FrePA" Cycle=RfeAR DpDatadWRP Rfe DpCtrlIsyncdR FrePA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfeAR DpDatadWRP Rfe DpCtrlIsyncdR 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 | lwz r1,0(r2) ; lwarx %sta,r0,r2 | xor r3,r1,r1 | cmpw r1,r1 ; stwcx. r1,r0,r2 | addi r3,r3,1 | beq LC00 ; bne Fail0 | stw r3,0(r4) | LC00: ; b Exit0 | | isync ; Fail0: | | lwz r3,0(r4) ; li r3,0 | | ; stw r3,0(r4) | | ; Exit0: | | ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)