This instruction format provides up to three registers as source operands , and one target operand 这一指令格式提供至多三个寄存器作为源操作数,以及一个目的操作数。
This instruction format provides up to two registers as source operands and up to two target operands 这一指令格式提供至多两个寄存器作为源操作数,至多两个目的操作数。
This instruction format provides up to two registers as source operands , one immediate source , and up to two registers as target operands 这一指令格式提供至多两个寄存器作为源操作数,一个立即源,至多两个寄存器作为目的操作数。
Fprs are the source and destination operands of all floating - point operations and can contain 32 - bit and 64 - bit signed and unsigned integer values , as well as single - precision and double - precision floating - point values Fpr是所有浮点操作的源和目的操作数,可以存放32位和64位的有符号和无符号整数,以及单精度和双精度浮点数。