AArch64 WW+R+dmb.sysw4w0+q0+BIS "DMB.SYsWWw4w0 Rfew0q0 Freq0w4" Cycle=Rfew0q0 Freq0w4 DMB.SYsWWw4w0 Generator=diycross7 (version 7.52+7(dev)) Prefetch= Com=Rf Fr Orig=DMB.SYsWWw4w0 Rfew0q0 Freq0w4 { uint64_t x; uint64_t 1:X0; 0:X0=0x1010101; 0:X1=x; 0:X2=0x2020202; 1:X2=0x3030303; 1:X1=x; } P0 | P1 ; STR W0,[X1,#4] | STR W2,[X1,#4] ; DMB SY | LDR X0,[X1] ; STR W2,[X1] | ; Observed x=0x101010102020202; 1:X0=0x303030302020202;