Test S+popa+syncap

PPC S+popa+syncap
"PodWWPA RfeAA SyncdRWAP Wse"
Cycle=RfeAA SyncdRWAP Wse PodWWPA
Prefetch=0:x=F,1:x=W
Com=Rf Ws
Orig=PodWWPA RfeAA SyncdRWAP Wse
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0               | P1              ;
 li r1,2          | lwarx r1,r0,r2  ;
 stw r1,0(r2)     | stwcx. r1,r0,r2 ;
 li r3,1          | bne  Fail1      ;
 lwarx %sta,r0,r4 | sync            ;
 stwcx. r3,r0,r4  | li r3,1         ;
 bne  Fail0       | stw r3,0(r4)    ;
 b   Exit0        | b   Exit1       ;
 Fail0:           | Fail1:          ;
 li r5,0          | li r5,0         ;
 stw r5,0(r6)     | stw r5,0(r6)    ;
 Exit0:           | Exit1:          ;
exists
(ok=1 /\ x=2 /\ 1:r1=1)