学了10多年英语，结果看一下英文资料还是基本上一点都看不懂。
哎。。。。。。浪费了那么多年的时间。
所以我说，没有那种环境，怎么学也没有用。如果我到美国，我估计几年，英语就会很强。
看的英文如下，看看你们有没有人能看的懂。晕！
rlwinm rA,rS,SH,MB,ME
The contents of register rS are rotated left by the number of bits specified
by operand SH. A mask is generated having ’1’ bits from the bit specified
by operand MB + 32 through the bit specified by operand ME + 32 and 0
bits elsewhere. The rotated data is ANDed with the generated mask and
the result is placed into register rA.
