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