Test 4.2W+poaas

PPC 4.2W+poaas
"PodWWAA WseAA PodWWAA WseAA PodWWAA WseAA PodWWAA WseAA"
Prefetch=0:x=F,0:y=W,1:y=F,1:z=W,2:z=F,2:a=W,3:a=F,3:x=W
Com=Ws Ws Ws Ws
Orig=PodWWAA WseAA PodWWAA WseAA PodWWAA WseAA PodWWAA WseAA
{ ok=1;
0:r2=x; 0:r4=y; 0:r6=ok;
1:r2=y; 1:r4=z; 1:r6=ok;
2:r2=z; 2:r4=a; 2:r6=ok;
3:r2=a; 3:r4=x; 3:r6=ok;
}
 P0               | P1               | P2               | P3               ;
 li r1,2          | li r1,2          | li r1,2          | li r1,2          ;
 lwarx %sta,r0,r2 | lwarx %sta,r0,r2 | lwarx %sta,r0,r2 | lwarx %sta,r0,r2 ;
 stwcx. r1,r0,r2  | stwcx. r1,r0,r2  | stwcx. r1,r0,r2  | stwcx. r1,r0,r2  ;
 bne  Fail0       | bne  Fail1       | bne  Fail2       | bne  Fail3       ;
 li r3,1          | li r3,1          | li r3,1          | li r3,1          ;
 lwarx %sta,r0,r4 | lwarx %sta,r0,r4 | lwarx %sta,r0,r4 | lwarx %sta,r0,r4 ;
 stwcx. r3,r0,r4  | stwcx. r3,r0,r4  | stwcx. r3,r0,r4  | stwcx. r3,r0,r4  ;
 bne  Fail0       | bne  Fail1       | bne  Fail2       | bne  Fail3       ;
 b   Exit0        | b   Exit1        | b   Exit2        | b   Exit3        ;
 Fail0:           | Fail1:           | Fail2:           | Fail3:           ;
 li r5,0          | li r5,0          | li r5,0          | li r5,0          ;
 stw r5,0(r6)     | stw r5,0(r6)     | stw r5,0(r6)     | stw r5,0(r6)     ;
 Exit0:           | Exit1:           | Exit2:           | Exit3:           ;
~exists
(ok=1 /\ a=2 /\ x=2 /\ y=2 /\ z=2)