Test WRC+addrra+ctrlar+A

PPC WRC+addrra+ctrlar+A
"RfeAR DpAddrdWRA RfeAA DpCtrldRAR FreRA"
Cycle=RfeAA DpCtrldRAR FreRA RfeAR DpAddrdWRA
Prefetch=0:x=T,2:x=T
Com=Rf Rf Fr
Orig=RfeAR DpAddrdWRA RfeAA DpCtrldRAR FreRA
{ ok=1;
0:r2=x; 0:r4=ok;
1:r2=x; 1:r5=y; 1:r7=ok;
2:r2=y; 2:r4=x; 2:r6=ok;
}
 P0               | P1               | P2              ;
 li r1,1          | lwarx r1,r0,r2   | lwarx r1,r0,r2  ;
 lwarx %sta,r0,r2 | xor r3,r1,r1     | stwcx. r1,r0,r2 ;
 stwcx. r1,r0,r2  | li r4,1          | bne  Fail2      ;
 bne  Fail0       | lwarx %sta,r3,r5 | cmpw r1,r1      ;
 b   Exit0        | stwcx. r4,r3,r5  | beq  LC00       ;
 Fail0:           | bne  Fail1       | LC00:           ;
 li r3,0          | b   Exit1        | lwarx r3,r0,r4  ;
 stw r3,0(r4)     | Fail1:           | b   Exit2       ;
 Exit0:           | li r6,0          | Fail2:          ;
                  | stw r6,0(r7)     | li r5,0         ;
                  | Exit1:           | stw r5,0(r6)    ;
                  |                  | Exit2:          ;
exists
(ok=1 /\ 1:r1=1 /\ 2:r1=1 /\ 2:r3=0)