Executions for behaviour:
"0:R0=1 ; 0:R2=0 ; 1:R0=1 ; 1:R1=0 ; ok=1 ; x=1 ; y=1"
ARM LB+dataaa+pora "DpDatadWAA RfeAR PodRWRA RfeAA" Cycle=RfeAA DpDatadWAA RfeAR PodRWRA Prefetch=0:x=F,0:y=W,1:y=F,1:x=W Com=Rf Rf Orig=DpDatadWAA RfeAR PodRWRA RfeAA { ok=1; %x0=x; %y0=y; %ok0=ok; %y1=y; %x1=x; %ok1=ok; } P0 | P1 ; LDREX R0,[%x0] | LDREX R0,[%y1] ; STREX %T2,R0,[%x0] | MOV %T3,#1 ; CMP %T2,#0 | LDREX R1,[%x1] ; BNE Fail0 | STREX %T2,%T3,[%x1] ; EOR R1,R0,R0 | CMP %T2,#0 ; ADD R1,R1,#1 | BNE Fail1 ; LDREX R2,[%y0] | B Exit1 ; STREX %T2,R1,[%y0] | Fail1: ; CMP %T2,#0 | MOV R2,#0 ; BNE Fail0 | STR R2,[%ok1] ; B Exit0 | Exit1: ; Fail0: | ; MOV R3,#0 | ; STR R3,[%ok0] | ; Exit0: | ; Observed 0:R0=1; 0:R2=0; 1:R0=1; 1:R1=0; ok=1; x=1; y=1;