PPC WRC+ctrl+addrpa "Rfe DpCtrldW Rfe DpAddrdRPA FreAP" Cycle=Rfe DpAddrdRPA FreAP Rfe DpCtrldW Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=Rfe DpCtrldW Rfe DpAddrdRPA FreAP { ok=1; 0:r2=x; 1:r2=x; 1:r4=y; 2:r2=y; 2:r5=x; 2:r7=ok; } P0 | P1 | P2 ; li r1,1 | lwz r1,0(r2) | lwz r1,0(r2) ; stw r1,0(r2) | cmpw r1,r1 | xor r3,r1,r1 ; | beq LC00 | lwarx r4,r3,r5 ; | LC00: | stwcx. r4,r3,r5 ; | li r3,1 | bne Fail2 ; | stw r3,0(r4) | b Exit2 ; | | Fail2: ; | | li r6,0 ; | | stw r6,0(r7) ; | | Exit2: ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)