AArch64 MP+popx+poxp+SYS2 "PodWWPX RfeXX PodRRXP Fre" Cycle=Fre PodWWPX RfeXX PodRRXP Relax=RfeXX Safe=Fre PodWW PodRR Prefetch=0:x=F,0:y=W,1:y=F,1:x=T Com=Rf Fr Orig=PodWWPX RfeXX PodRRXP Fre { 0:X1=x; 0:X2=y; 1:X0=y; 1:X4=x; } P0 | P1 ; MOV W0,#1 | LDXR W1,[X0] ; STR W0,[X1] | STXR W2,W1,[X0] ; MOV W3,#1 | LDR W3,[X4] ; LDXR W4,[X2] | ; STXR W5,W3,[X2] | ; exists (y=1 /\ 0:X5=0 /\ 0:X4=0 /\ 1:X2=0 /\ 1:X1=1 /\ 1:X3=0)