Test R+h0-b0+b1-b1+EXT

Executions for behaviour: "2:X2=0x33 ; 2:X3=0x3311 ; x=0x1122"
AArch64 R+h0-b0+b1-b1+EXT
{
uint16_t x; uint16_t 2:X3; uint16_t 2:X2;

0:X0=0x1111; 0:X1=x;
1:X1=x; 1:X2=0x22;
2:X0=0x33; 2:X1=x;
}
 P0           |P1             | P2              ;
 STRH W0,[X1] | STRB W2,[X1]  | STRB W0,[X1,#1] ;
              |               | LDRB W2,[X1,#1] ;
              |               | LDRH W3,[X1]    ;
Observed
    x=0x1122; 2:X3=0x3311; 2:X2=0x33;