Test MP+rfipr-datarp+sync

PPC MP+rfipr-datarp+sync
"RfiPR DpDatadWRP Rfe SyncdRR Fre"
Prefetch=1:x=T
Com=Rf Fr
Orig=RfiPR DpDatadWRP Rfe SyncdRR Fre
{
0:r2=x; 0:r5=y;
1:r2=y; 1:r4=x;
}
 P0             | P1           ;
 li r1,1        | lwz r1,0(r2) ;
 stw r1,0(r2)   | sync         ;
 lwarx r3,r0,r2 | lwz r3,0(r4) ;
 xor r4,r3,r3   |              ;
 addi r4,r4,1   |              ;
 stw r4,0(r5)   |              ;
exists
(0:r3=1 /\ 1:r1=1 /\ 1:r3=0)