AArch64 ISA2+poxp+addr+addr
"PodWWXP Rfe DpAddrdW Rfe DpAddrdR FrePX"
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:x=T
Com=Rf Rf Fr
Orig=PodWWXP Rfe DpAddrdW Rfe DpAddrdR FrePX
{ ok=1;
0:X0=x; 0:X5=y; 0:X7=ok;
1:X1=y; 1:X4=z;
2:X1=z; 2:X4=x;
}
P0 | P1 | P2 ;
MOV W1,#1 | LDR W0,[X1] | LDR W0,[X1] ;
LDXR W2,[X0] | EOR W2,W0,W0 | EOR W2,W0,W0 ;
STXR W3,W1,[X0] | MOV W3,#1 | LDR W3,[X4,W2,SXTW] ;
CBNZ W3,Fail0 | STR W3,[X4,W2,SXTW] | ;
MOV W4,#1 | | ;
STR W4,[X5] | | ;
B Exit0 | | ;
Fail0: | | ;
MOV W6,#0 | | ;
STR W6,[X7] | | ;
Exit0: | | ;
exists
(ok=1 /\ x=1 /\ 0:X2=0 /\ 1:X0=1 /\ 2:X0=1 /\ 2:X3=0)