title: What's meaning of word "clobber" in inline asm of GCC
body: <p>Couldn't quite understand the meaning of word &quot;clobber&quot;. &quot;hit (someone) hard.&quot; or &quot;treat or deal with harshly.&quot;
  gcc manual <a href="https://gcc.gnu.org/onlinedocs/gcc-7.5.0/gcc/Extended-Asm.html" rel="nofollow noreferrer">6.45.2</a>.6 Clobbers</p>