PPC MP+PPO219
"Fre LwSyncdWW Rfe DpAddrdW PosWR DpAddrdW PosWR DpAddrdR DpCtrlIsyncdR"
Cycle=Rfe DpAddrdW PosWR DpAddrdW PosWR DpAddrdR DpCtrlIsyncdR Fre LwSyncdWW
Relax=
Safe=Rfe Fre PosWR LwSyncdWW DpAddrdW DpAddrdR DpCtrlIsyncdR
Prefetch=1:x=T
Com=Rf Fr
Orig=Fre LwSyncdWW Rfe DpAddrdW PosWR DpAddrdW PosWR DpAddrdR DpCtrlIsyncdR
{
0:r2=x; 0:r4=y;
1:r2=y; 1:r5=z; 1:r9=a; 1:r13=b; 1:r15=x;
}
P0 | P1 ;
li r1,1 | lwz r1,0(r2) ;
stw r1,0(r2) | xor r3,r1,r1 ;
lwsync | li r4,1 ;
li r3,1 | stwx r4,r3,r5 ;
stw r3,0(r4) | lwz r6,0(r5) ;
| xor r7,r6,r6 ;
| li r8,1 ;
| stwx r8,r7,r9 ;
| lwz r10,0(r9) ;
| xor r11,r10,r10 ;
| lwzx r12,r11,r13 ;
| cmpw r12,r12 ;
| beq LC00 ;
| LC00: ;
| isync ;
| lwz r14,0(r15) ;
exists
(1:r1=1 /\ 1:r14=0)