ARM WRR+2W+poar+dmb+A "RfeAA PodRRAR FreRNa DMBdWW WseNaA" Cycle=RfeAA PodRRAR FreRNa DMBdWW WseNaA Prefetch=1:x=F,1:y=T,2:y=F,2:x=W Com=Rf Fr Ws Orig=RfeAA PodRRAR FreRNa DMBdWW WseNaA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV %T3,#2 | LDREX R0,[%x1] | MOV R0,#1 ; LDREX R0,[%x0] | STREX %T2,R0,[%x1] | STR R0,[%y2] ; STREX %T2,%T3,[%x0] | CMP %T2,#0 | DMB ; CMP %T2,#0 | BNE Fail1 | MOV R1,#1 ; BNE Fail0 | LDREX R1,[%y1] | STR R1,[%x2] ; B Exit0 | B Exit1 | ; Fail0: | Fail1: | ; MOV R1,#0 | MOV R2,#0 | ; STR R1,[%ok0] | STR R2,[%ok1] | ; Exit0: | Exit1: | ; Observed 0:R0=0; 1:R0=1; 1:R1=0; ok=1; x=1; and 0:R0=1; 1:R0=1; 1:R1=0; ok=1; x=2; and 0:R0=1; 1:R0=2; 1:R1=0; ok=1; x=2;