PPC LB+addrra+isyncpa "DpAddrdWRA RfeAP ISyncdRWPA RfeAR" Cycle=RfeAP ISyncdRWPA RfeAR DpAddrdWRA Prefetch= Com=Rf Rf Orig=DpAddrdWRA RfeAP ISyncdRWPA RfeAR { ok=1; 0:r2=x; 0:r5=y; 0:r7=ok; 1:r2=y; 1:r4=x; 1:r6=ok; } P0 | P1 ; lwarx r1,r0,r2 | lwz r1,0(r2) ; xor r3,r1,r1 | isync ; li r4,1 | li r3,1 ; lwarx %sta,r3,r5 | lwarx %sta,r0,r4 ; stwcx. r4,r3,r5 | stwcx. r3,r0,r4 ; bne Fail0 | bne Fail1 ; b Exit0 | b Exit1 ; Fail0: | Fail1: ; li r6,0 | li r5,0 ; stw r6,0(r7) | stw r5,0(r6) ; Exit0: | Exit1: ; exists (ok=1 /\ 0:r1=1 /\ 1:r1=1)