ARM WRC+ctrlisbana+ctrlisbnaa+A "RfeAA DpCtrlIsbdWANa Rfe DpCtrlIsbdRNaA FreAA" Cycle=Rfe DpCtrlIsbdRNaA FreAA RfeAA DpCtrlIsbdWANa Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=RfeAA DpCtrlIsbdWANa Rfe DpCtrlIsbdRNaA FreAA { ok=1; %x0=x; %ok0=ok; %x1=x; %y1=y; %ok1=ok; %y2=y; %x2=x; %ok2=ok; } P0 | P1 | P2 ; MOV %T3,#1 | LDREX R0,[%x1] | LDR R0,[%y2] ; LDREX R0,[%x0] | STREX %T2,R0,[%x1] | CMP R0,R0 ; STREX %T2,%T3,[%x0] | CMP %T2,#0 | BNE LC01 ; CMP %T2,#0 | BNE Fail1 | LC01: ; BNE Fail0 | CMP R0,R0 | ISB ; B Exit0 | BNE LC00 | LDREX R1,[%x2] ; Fail0: | LC00: | STREX %T2,R1,[%x2] ; MOV R1,#0 | ISB | CMP %T2,#0 ; STR R1,[%ok0] | MOV R1,#1 | BNE Fail2 ; Exit0: | STR R1,[%y1] | B Exit2 ; | B Exit1 | Fail2: ; | Fail1: | MOV R2,#0 ; | MOV R2,#0 | STR R2,[%ok2] ; | STR R2,[%ok1] | Exit2: ; | Exit1: | ; Observed 0:R0=0; 1:R0=1; 2:R0=1; 2:R1=0; ok=0; x=1;