Re: Patch to cache TLS in %fp7 to avoid _lwp_getprivate syscalls

To: Jake Hamby <jake.hamby%gmail.com@localhost>
Subject: Re: Patch to cache TLS in %fp7 to avoid _lwp_getprivate syscalls
From: Matthias Scheler <tron%zhadum.org.uk@localhost>
Date: Wed, 18 Jan 2012 22:29:05 +0000

On Tue, Jan 17, 2012 at 02:03:32PM -0800, Jake Hamby wrote:
> I patched lib/libc/arch/m68k/sys/__m68k_read_tp.S to cache the value
> returned from _lwp_getprivate in %fp7, ...

Some m68k ports (e.g. NetBSD/amiga and NetBSD/mac68k) support CPUs
without a FPU (e.g. Motorola 68LC040). I don't think that your change
would work very well on such machines.

        Kind regards

-- 
Matthias Scheler                                  http://zhadum.org.uk/

References:
- Patch to cache TLS in %fp7 to avoid _lwp_getprivate syscalls
  - From: Jake Hamby

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