Re: [parisc-linux] Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h

From: David S. Miller <davem_at_davemloft.net>
Date: 2006-01-30 15:03:35
From: Stuart Brady <sdbrady@ntlworld.com>
Date: Sun, 29 Jan 2006 07:12:42 +0000

> There are versions of hweight*() for sparc64 which use POPC when
> ULTRA_HAS_POPULATION_COUNT is defined, but AFAICS, it's never defined.

That's right, the problem here is that no chips actually implement
the instruction in hardware, it is software emulated, ie. useless :-)
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Received on Mon Jan 30 15:04:28 2006

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