Model | Tegra3 | Exynos4412 | Exynos5410 | APQ8064 | |
WRR+2W+ctrlisb+dmb.st | Forbid | Ok, 2/3.4G | No, 0/14G | No, 0/3.1G | No, 0/2.3G |
Allow unseen | Allow unseen | Allow unseen |
Executions for behaviour: "1:R0=1 ; 1:R1=0 ; x=1"
ARM WRR+2W+ctrlisb+dmb.st "Rfe DpCtrlIsbdR Fre DMB.STdWW Wse" Cycle=Rfe DpCtrlIsbdR Fre DMB.STdWW Wse Prefetch=0:x=F,1:x=F,1:y=T,2:y=F,2:x=W Com=Rf Fr Ws Orig=Rfe DpCtrlIsbdR Fre DMB.STdWW Wse { %x0=x; %x1=x; %y1=y; %y2=y; %x2=x; } P0 | P1 | P2 ; MOV R0,#2 | LDR R0,[%x1] | MOV R0,#1 ; STR R0,[%x0] | CMP R0,R0 | STR R0,[%y2] ; | BNE LC00 | DMB ST ; | LC00: | MOV R1,#1 ; | ISB | STR R1,[%x2] ; | LDR R1,[%y1] | ; Observed 1:R0=1; 1:R1=0; x=1;