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Re: glibc 2.1.92 make check results under Linux PPC

> From: Andreas Jaeger <aj@suse.de>
> Date: 14 Aug 2000 07:50:42 +0200

>  > control word is 0xd4 but should be 0x0.

> That's easy to track down - the kernel initializes the FPU to a
> different value than glibc expects.  Check the program, check the
> value of _FPU_DEFAULT in sysdeps/powerpc/fpu_control.h - and see what
> the kernel does.  Either of them is at fault.

It looks like it's a kernel bug.  0xd4 is non-IEEE mode with several
exceptions enabled, you don't want that by default.  The ABI specifies
that the FPSCR should be cleared at process startup.  Of course, glibc
could be reading the register wrong...

-- 
- Geoffrey Keating <geoffk@cygnus.com>
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