Re: Why all glibc2 programs are FPU programs

James Mastros (root@jennifer-unix.dyn.ml.org)
Fri, 29 May 1998 15:24:09 -0400 (EDT)

On 29 May 1998, Andreas Schwab wrote:
> On the m68k both the kernel and libc use zero to get IEEE defaults.
> Although the m68k port does not use lazy fpu switches it is still a win
> not to touch the fpu unless necessary, because it makes context switches
> cheaper.

FWIW, there is a known bug in my code now -- it treats zero as speical.
(Meaning to roll with the FPUs default. Good thing it was ia32 specific
anyway. (Is zero a legal fpu cwd on Intels?))

-=- James Mastros

-- 
True mastery is knowing enough to bullshit the rest.
	-=- Me
http://www.rtweb.net/theorb coming soon (or when I get around to it).




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