AArch64 ARMARM04+BIS "RfeLA PodRWAP Rfe DpAddrdRPA FreAL" Prefetch=1:x=F,1:y=W,2:y=F,2:x=T Com=Rf Rf Fr Orig=RfeLA PodRWAP Rfe DpAddrdRPA FreAL { 0:X1=x; 1:X1=x; 1:X3=y; 2:X1=y; 2:X4=x; 2:X3=-1; } P0 | P1 | P2 ; MOV W0,#1 | LDAR W0,[X1] | LDR W0,[X1] ; STLR W0,[X1] | CMP W0,#1 | CMP W0,#1 ; | B.NE Exit1 | B.NE Exit2 ; | MOV W2,#1 | EOR W2,W0,W0 ; | STR W2,[X3] | ADD X5,X4,W2,SXTW ; | Exit1: | LDR W3,[X5] ; | | Exit2: ; exists (1:X0=1 /\ 2:X0=1 /\ 2:X3=0) (* Variation on ARM ARM F.2.3, basically WRC+ctrl+addr+L, Should be allowed ? *)