Messages in this thread |  | | Date | Tue, 17 Oct 2000 10:21:22 +0100 (BST) | From | Bernd Schmidt <> | Subject | Re: Patch to remove undefined C code |
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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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