Test MP+fencewmbonceonce+addronceonce-[fronceonce-rf]onceonce

AArch64 MP+fencewmbonceonce+addronceonce-[fronceonce-rf]onceonce
"FenceWmbdWWOnceOnce RfeOnceOnce DpAddrdROnceOnce FrLeaveOnceOnce RfBackOnceOnce FreOnceOnce"
Mapping=1:X5=r3,1:X3=r2,1:X2=r1,1:X0=r0,
Hash=d5b9e5f37ddbd398b0b4e43a1992d9e4
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr Rf
Orig=FenceWmbdWWOnceOnce RfeOnceOnce DpAddrdROnceOnce FrLeaveOnceOnce RfBackOnceOnce FreOnceOnce

{0:X1=y; 0:X0=x; 1:X4=x; 1:X1=y; 2:X0=x;}

 P0          | P1                  | P2          ;
 MOV W2,#2   | LDR W0,[X1]         | MOV W1,#1   ;
 STR W2,[X0] | EOR W2,W0,W0        | STR W1,[X0] ;
 DMB ST      | LDR W3,[X4,W2,SXTW] |             ;
 MOV W2,#1   | LDR W5,[X4]         |             ;
 STR W2,[X1] |                     |             ;



Observed
    x=2; 1:X5=1; 1:X3=2; 1:X0=1;
and x=2; 1:X5=0; 1:X3=2; 1:X0=1;
and x=1; 1:X5=0; 1:X3=2; 1:X0=1;
and x=1; 1:X5=2; 1:X3=1; 1:X0=1;
and x=1; 1:X5=0; 1:X3=1; 1:X0=1;
and x=2; 1:X5=1; 1:X3=2; 1:X0=0;
and x=2; 1:X5=0; 1:X3=2; 1:X0=0;
and x=1; 1:X5=0; 1:X3=2; 1:X0=0;
and x=1; 1:X5=2; 1:X3=1; 1:X0=0;
and x=2; 1:X5=0; 1:X3=1; 1:X0=0;
and x=1; 1:X5=0; 1:X3=1; 1:X0=0;