Messages in this thread | | | From | "Ulrich Windl" <> | Date | Sat, 13 Apr 1996 09:07:09 +0100 | Subject | Re: gcc 2.7.2 common subexpression bug with possible kernel |
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On 12 Apr 96 at 15:42, Tom May wrote:
> Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de> writes: > [...] > > >This is a classical aliasing situation; you are modifying *p > >indirectly via buf. I think almost every compiler assumes > >"no-pointer-aliasing" when optimizing; otherwise it's very hard to > >optimize. > > When I was looking at the source to cse.c in gcc, it was apparent that > gcc does not assume no-pointer-aliasing. I suppose it could actually
Then I was wrong.
Ulrich
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