boundary address

基本解釋

Since all ARM instructions will align themselves on either a 32- or 16-bit boundary, the LSB of the address is not used in the branch directly.
由于所有ARM指令將對齊，無論是32 - 或16位邊界本身，該地址的LSB是不是用在直接分支。
czhihao2008.blog.163.com
If it is given an address to load from that is not at a 16-byte boundary, it simply zeroes out the last four bits of the address before loading it so that it will be an aligned load.
如果要加載自的地址不是一個 16 字節(jié)的邊界，它就會將該地址的最后四位截斷然后再加載，以便使其能夠加載。

She commended the Minister for his efforts to preserve the city of St Petersburg through the establishment of an open-ended group of experts to address the delineation of the boundary of the historic centre of the city, as well as to enhance the legal protection of the property with a view to respecting its outstanding universal value.
UNESCO: MEDIA SERVICES