...寄存器 PowerPC 的应用级寄存器分为三类：通用寄存器（general-purpose register，GPR）、浮点寄存器（floating-point register [FPR] 和浮点状态和控制寄存器 [Floating-Point Status and Control Register，FPSCR]）和专用寄存器（special-purpose register...
An instruction where each parameter is independent of the others, for example, when moving data from memory to a floating-pointregister.
一条指令，其中每一个参数与其它参数无关，例如，把数据从存储器。
2
For floating-point values only, both the integer register and the floating-pointregister will contain the float value in case the callee expects the value in the integer registers.
仅对于浮点值，被调用方希望使用整数寄存器中的值时，整数寄存器和浮点寄存器都将包含浮点值。
3
An attempt was made to execute a floatingpoint instruction when the floatingpoint available bit in the MSR (machine status register) was disabled.