AArch64 S+popx+po+SYS2 "PodWWPX RfeXP PodRW Wse" Cycle=Wse PodWWPX RfeXP PodRW Relax=RfeXP Safe=Wse PodWW PodRW Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Ws Orig=PodWWPX RfeXP PodRW Wse { 0:X1=x; 0:X2=y; 1:X1=y; 1:X3=x; } P0 | P1 ; MOV W0,#2 | LDR W0,[X1] ; STR W0,[X1] | MOV W2,#1 ; MOV W3,#1 | STR W2,[X3] ; LDXR W4,[X2] | ; STXR W5,W3,[X2] | ; exists (x=2 /\ y=1 /\ 0:X5=0 /\ 0:X4=0 /\ 1:X0=1)