[vorbis-dev] res0.c / by 0?
msmith at labyrinth.net.au
Wed Oct 17 15:37:33 PDT 2001
At 01:04 PM 10/17/01 -0700, you wrote:
>> Note that you don't see the exception unless you insert
>> push edx
>> sub esp, 4
>> fstcw [esp]
>> mov dx, [esp]
>> and dx, 0xFFFE
>> mov [esp], dx
>> fldcw [esp]
>> add esp, 4
>> pop edx
>There's a slightly less hairy way of doing this using the MSVC functions
>_controlfp() and _control87(), at least it avoids inline asm. I believe
>most other compilers on Win32 also provide similarly named constructs.
>Adding a generic interface to disable/enable exceptions may be a good
Yeah, we occasionally add them into our local trees depending on the
compiler in use at the time for debugging purposes. This sort of thing
kills alpha, since it doesn't mask these by default, so we always get
the alpha guys reporting this sort of bug :-)
In this particular case, I think it's just debugging code that can be
safely removed (and won't be in any releases anyway). Since CVS doesn't
work all that well anyway at the moment, it's not a big deal.
Thanks for the bugreport anyway.
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