Test MP0040

PPC MP0040
"PosWR DpCtrldW PosWW Rfe DpAddrdR Fre"
Cycle=Rfe DpAddrdR Fre PosWR DpCtrldW PosWW
Relax=[Rfe,DpAddrdR,Fre]
Safe=PosWW PosWR DpCtrldW
Prefetch=0:x=F,0:y=W,1:y=F,1:x=T
Com=Rf Fr
Orig=PosWR DpCtrldW PosWW Rfe DpAddrdR Fre
{
0:r2=x; 0:r5=y;
1:r2=y; 1:r5=x;
}
 P0           | P1            ;
 li r1,1      | lwz r1,0(r2)  ;
 stw r1,0(r2) | xor r3,r1,r1  ;
 lwz r3,0(r2) | lwzx r4,r3,r5 ;
 cmpw r3,r3   |               ;
 beq  LC00    |               ;
 LC00:        |               ;
 li r4,1      |               ;
 stw r4,0(r5) |               ;
 li r6,2      |               ;
 stw r6,0(r5) |               ;
exists
(y=2 /\ 1:r1=2 /\ 1:r4=0)