Test LB+ctrlisync+isyncrp

PPC LB+ctrlisync+isyncrp
"DpCtrlIsyncdW RfePR ISyncdRWRP Rfe"
Cycle=Rfe DpCtrlIsyncdW RfePR ISyncdRWRP
Prefetch=
Com=Rf Rf
Orig=DpCtrlIsyncdW RfePR ISyncdRWRP Rfe
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r4=x;
}
 P0           | P1             ;
 lwz r1,0(r2) | lwarx r1,r0,r2 ;
 cmpw r1,r1   | isync          ;
 beq  LC00    | li r3,1        ;
 LC00:        | stw r3,0(r4)   ;
 isync        |                ;
 li r3,1      |                ;
 stw r3,0(r4) |                ;
exists
(0:r1=1 /\ 1:r1=1)