Re: [parisc-linux] Re: [PATCH 3/6] C-language equivalents of include/asm-*/bitops.h
From: "David S. Miller" <davem@davemloft.net>
Date: 2006-01-30 04:03:35
Also in:
linux-mips, lkml, sparclinux
From: Stuart Brady <redacted> 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 :-)