PPC WRC+po+addraa+A "RfeAP PodRW RfePA DpAddrdRAA FreAA" Cycle=RfeAP PodRW RfePA DpAddrdRAA FreAA Prefetch=0:x=T,2:x=T Com=Rf Rf Fr Orig=RfeAP PodRW RfePA DpAddrdRAA FreAA { ok=1; 0:r2=x; 0:r4=ok; 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) | lwarx r1,r0,r2 ; lwarx %sta,r0,r2 | li r3,1 | stwcx. r1,r0,r2 ; stwcx. r1,r0,r2 | stw r3,0(r4) | bne Fail2 ; bne Fail0 | | xor r3,r1,r1 ; b Exit0 | | lwarx r4,r3,r5 ; Fail0: | | stwcx. r4,r3,r5 ; li r3,0 | | bne Fail2 ; stw r3,0(r4) | | b Exit2 ; Exit0: | | Fail2: ; | | li r6,0 ; | | stw r6,0(r7) ; | | Exit2: ; exists (ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r4=0)