try -march=amdfam10
That works.That's strange... are we sure that's the same thing? tcatm, try amdfam10 and make sure you get the same speed measurement.
SN-2362 已核对来源，附原文与上下文。
试试 -march=amdfam10
可以了。
有点奇怪……我们确定这是同一个东西吗？tcatm，试试 amdfam10，确认测出来的速度一样。