Test R0059

PPC R0059
"PodWW PosWR DpAddrdW Wse SyncdWR Fre"
Cycle=Fre PodWW PosWR DpAddrdW Wse SyncdWR
Relax=[Wse,SyncdWR,Fre]
Safe=PosWR PodWW DpAddrdW
Prefetch=0:x=F,0:z=W,1:z=F,1:x=T
Com=Ws Fr
Orig=PodWW PosWR DpAddrdW Wse SyncdWR Fre
{
0:r2=x; 0:r4=y; 0:r8=z;
1:r2=z; 1:r4=x;
}
 P0            | P1           ;
 li r1,1       | li r1,2      ;
 stw r1,0(r2)  | stw r1,0(r2) ;
 li r3,1       | sync         ;
 stw r3,0(r4)  | lwz r3,0(r4) ;
 lwz r5,0(r4)  |              ;
 xor r6,r5,r5  |              ;
 li r7,1       |              ;
 stwx r7,r6,r8 |              ;
exists
(z=2 /\ 1:r3=0)