Test MP+sync+isyncra

Executions for behaviour: "1:r1=1 ; 1:r3=0 ; ok=0"

Executions for behaviour: "1:r1=1 ; 1:r3=0 ; ok=1"

PPC MP+sync+isyncra
"SyncdWW RfePR ISyncdRRRA FreAP"
Cycle=RfePR ISyncdRRRA FreAP SyncdWW
Prefetch=1:x=T
Com=Rf Fr
Orig=SyncdWW RfePR ISyncdRRRA FreAP
{ ok=1;
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=x; 1:r6=ok;
}
 P0           | P1              ;
 li r1,1      | lwarx r1,r0,r2  ;
 stw r1,0(r2) | isync           ;
 sync         | lwarx r3,r0,r4  ;
 li r3,1      | stwcx. r3,r0,r4 ;
 stw r3,0(r4) | bne  Fail1      ;
              | b   Exit1       ;
              | Fail1:          ;
              | li r5,0         ;
              | stw r5,0(r6)    ;
              | Exit1:          ;
Observed
    1:r1=1; 1:r3=0; ok=0;
and 1:r1=1; 1:r3=0; ok=1;