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Date: Sat, 27 Oct 2007 16:01:40 +0300
From: "Blue Swirl" <blauwirbel@gmail.com>
Subject: Re: [Qemu-devel] Mips 64 emulation not compiling
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To: qemu-devel@nongnu.org

On 10/27/07, J. Mayer <l_indien@magic.fr> wrote:
> I also got optimized versions of bit population count which could also
> be shared:
> static always_inline int ctpop32 (uint32_t val)
> {
>     int i;
>
>     for (i = 0; val != 0; i++)
>         val = val ^ (val - 1);
>
>     return i;
> }
>
> If you prefer, I can add those shared functions (ctz32, ctz64, cto32,
> cto64, ctpop32, ctpop64) later, as they do not seem as widely used as
> clxxx functions.

This would be interesting for Sparc64. Could you compare your version
to do_popc() in target-sparc/op_helper.c?