Test IRIW+lwsyncra+lwsync+PA

PPC IRIW+lwsyncra+lwsync+PA
"RfePR LwSyncdRRRA FreAA RfeAP LwSyncdRR Fre"
Cycle=RfeAP LwSyncdRR Fre RfePR LwSyncdRRRA FreAA
Prefetch=0:x=T,1:y=T,2:y=T,3:x=T
Com=Rf Fr Rf Fr
Orig=RfePR LwSyncdRRRA FreAA RfeAP LwSyncdRR Fre
{ ok=1;
0:r2=x;
1:r2=x; 1:r4=y; 1:r6=ok;
2:r2=y; 2:r4=ok;
3:r2=y; 3:r4=x;
}
 P0           | P1              | P2               | P3           ;
 li r1,1      | lwarx r1,r0,r2  | li r1,1          | lwz r1,0(r2) ;
 stw r1,0(r2) | lwsync          | lwarx %sta,r0,r2 | lwsync       ;
              | lwarx r3,r0,r4  | stwcx. r1,r0,r2  | lwz r3,0(r4) ;
              | stwcx. r3,r0,r4 | bne  Fail2       |              ;
              | bne  Fail1      | b   Exit2        |              ;
              | b   Exit1       | Fail2:           |              ;
              | Fail1:          | li r3,0          |              ;
              | li r5,0         | stw r3,0(r4)     |              ;
              | stw r5,0(r6)    | Exit2:           |              ;
              | Exit1:          |                  |              ;
exists
(ok=1 /\ 1:r1=1 /\ 1:r3=0 /\ 3:r1=1 /\ 3:r3=0)