Test DETOUR1289

PPC DETOUR1289
"LwSyncdWW Wse Rfi DpAddrdW PosWW Wse"
Cycle=Rfi DpAddrdW PosWW Wse LwSyncdWW Wse
Prefetch=0:x=F,0:y=W,1:y=F,1:x=W
Com=Ws Ws
Orig=LwSyncdWW Wse Rfi DpAddrdW PosWW Wse
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r6=x;
}
 P0           | P1            ;
 li r1,3      | li r1,2       ;
 stw r1,0(r2) | stw r1,0(r2)  ;
 lwsync       | lwz r3,0(r2)  ;
 li r3,1      | xor r4,r3,r3  ;
 stw r3,0(r4) | li r5,1       ;
              | stwx r5,r4,r6 ;
              | li r7,2       ;
              | stw r7,0(r6)  ;
exists
(y=2 /\ x=3 /\ 1:r3=2)