ARM WWC+addraa+poaa "RfeNaA DpAddrdWAA RfeAA PodRWAA WseANa" Cycle=RfeNaA DpAddrdWAA RfeAA PodRWAA WseANa Prefetch=1:x=F,1:y=W,2:y=F,2:x=W Com=Rf Rf Ws Orig=RfeNaA DpAddrdWAA RfeAA PodRWAA WseANa { ok=1; %x0=x; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV R0,#2 | LDREX R0,[%x1] | LDREX R0,[%y2] ; STR R0,[%x0] | STREX %T2,R0,[%x1] | STREX %T2,R0,[%y2] ; | CMP %T2,#0 | CMP %T2,#0 ; | BNE Fail1 | BNE Fail2 ; | EOR R1,R0,R0 | MOV %T3,#1 ; | ADD %T1,R1,%y1 | LDREX R1,[%x2] ; | MOV %T3,#1 | STREX %T2,%T3,[%x2] ; | LDREX R2,[%T1] | CMP %T2,#0 ; | STREX %T2,%T3,[%T1] | BNE Fail2 ; | CMP %T2,#0 | B Exit2 ; | BNE Fail1 | Fail2: ; | B Exit1 | MOV R2,#0 ; | Fail1: | STR R2,[%ok2] ; | MOV R3,#0 | Exit2: ; | STR R3,[%ok1] | ; | Exit1: | ; Observed 1:R0=2; 1:R2=0; 2:R0=1; 2:R1=0; ok=1; x=2; y=1;