Basically, the first word is the preferred word, and then the other alignments are on the least-significant byte or halfword of that word.
基本上，第一个字就是首选字，而其他字对齐到最低有效字节或半字上。
It also provides for byte, halfword, word, and quadword operand fetches and stores between storage and a set of 32 Vector Registers (VRs).
它还规定在存储设备与一组32位矢量寄存器(Vector Register,VR)之间存取和储存的字节、半字、字和四字操作数。
Vector instructions operate on vectors of scalar quantities and on scalar quantities, where the scalar size is byte, halfword, word, and quadword.
矢量指令作用于标量的矢量及标量，其中标量范围为字节、半字、字和四字。
Vector instructions operate on vectors of scalar quantities and on scalar quantities, where the scalar size is byte, halfword, word, and quadword.
矢量指令作用于标量的矢量及标量，其中标量范围为字节、半字、字和四字。
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