Test MP-rel-swp-ctrl-isb

AArch64 MP-rel-swp-ctrl-isb
{
1:X1=x; 1:X3=y; 1:X10=z;
0:X1=x; 0:X3=y;
}
 P0          |  P1                ;
MOV W0,#1    | LDR W0,[X1]        ;
STR W0,[X3]  | SWP W0, W12, [X10] ;
MOV W2,#1    | CBNZ W12,L0        ;
STLR W2,[X1] | ISB ;
             | LDR W2,[X3]        ;
             |L0:                 ;
Observed
    1:X2=0; 1:X0=1;