Re: [PATCH 2/3] powerpc: fix build errors

On Thu, Feb 24, 2022 at 11:39:16PM +1100, Michael Ellerman wrote:

...

/* Calculate the parity of the value */

• asm ("popcntd %0,%1" : "=r" (parity) : "r" (val));

• asm (".machine "push"\n"

•     ".machine \"power7\"\n"
  

•     "popcntd %0,%1\n"
  

•     ".machine \"pop\"\n"
  

•     : "=r" (parity) : "r" (val));
  

This was actually present in an older CPU, but it doesn't really matter, this is fine.

popcntd was new on p7 (popcntb is the older one :-) ) And it does not matter indeed.

Segher