Test SB+sync+lwsyncpa

PPC SB+sync+lwsyncpa
"SyncdWR Fre LwSyncdWRPA FreAP"
Cycle=FreAP SyncdWR Fre LwSyncdWRPA
Prefetch=0:y=T,1:x=T
Com=Fr Fr
Orig=SyncdWR Fre LwSyncdWRPA FreAP
{ ok=1;
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0           | P1              ;
 li r1,1      | li r1,1         ;
 stw r1,0(r2) | stw r1,0(r2)    ;
 sync         | lwsync          ;
 lwz r3,0(r4) | lwarx r3,r0,r4  ;
              | stwcx. r3,r0,r4 ;
              | bne  Fail1      ;
              | b   Exit1       ;
              | Fail1:          ;
              | li r5,0         ;
              | stw r5,0(r6)    ;
              | Exit1:          ;
exists
(ok=1 /\ 0:r3=0 /\ 1:r3=0)