Re: Patch to remove undefined C code

[Bernd Schmidt]

On Tue, 17 Oct 2000, Helge Hafting wrote:

> Bernd Schmidt wrote:
> > 
> > I've been playing with some gcc patches to detect code with undefined
> > behaviour of the i = i++ variety.  The patch below fixes all places in
> > the kernel that I could find.  Note that in some cases, it wasn't
> > entirely clear what the code intended, so I had to guess.
> 
> Please don't guess.  Look at the generated assembly, then make the
> unambigous code do whatever the old code did.  Chances are high it
> worked ok by luck, as misbehaving code tend to get noticed as
> it fails.

That does seem to be true for all parts except the tulip code.  I did
look at the assembly where I was in doubt.

Bernd

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