An attempt was made to execute a floating point instruction when the floating point available bit in the MSR (machine status register) was disabled.
如果在MSR(机器状态寄存器)中可用的浮点位被禁用,将尝试执行一个浮点指令。
UNIX-based environments are often 64-bit, and most UNIX vendors don't support the x86 instruction set.
基于UNIX的环境通常是64位的,并且大多数UNIX供应商都不支持x86指令集。
For addition, spu_add, when given two vector unsigned ints as parameters, will generate the a (32-bit add) instruction.
另外,当 spu_add 被传递两个 vector unsigned int 作为参数时,就会生成一条 a(32 位加法)指令。
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