ARM RWC+addr+dmbaa+A "RfeANa DpAddrdR FreNaA DMBdWRAA FreAA" Cycle=RfeANa DpAddrdR FreNaA DMBdWRAA FreAA Prefetch=1:x=F,1:y=T,2:y=F,2:x=T Com=Rf Fr Fr Orig=RfeANa DpAddrdR FreNaA DMBdWRAA FreAA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#1 | LDR R0,[%x1] | MOV %T3,#1 ; LDREX R0,[%x0] | EOR R1,R0,R0 | LDREX R0,[%y2] ; STREX %T2,%T3,[%x0] | LDR R2,[R1,%y1] | STREX %T2,%T3,[%y2] ; CMP %T2,#0 | | CMP %T2,#0 ; BNE Fail0 | | BNE Fail2 ; B Exit0 | | DMB ; Fail0: | | LDREX R1,[%x2] ; MOV R1,#0 | | STREX %T2,R1,[%x2] ; STR R1,[%ok0] | | CMP %T2,#0 ; Exit0: | | BNE Fail2 ; | | B Exit2 ; | | Fail2: ; | | MOV R2,#0 ; | | STR R2,[%ok2] ; | | Exit2: ; Observed 0:R0=0; 1:R0=1; 1:R2=0; 2:R0=0; 2:R1=0; ok=0; x=1; y=1;