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From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?=
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Newsgroups: comp.lang.ada
Subject: Re: expression function bug or think?
Date: Fri, 17 Jun 2011 05:56:34 +0200
Organization: Ada @ Home
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Date: 2011-06-17T05:56:34+02:00
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Le Thu, 16 Jun 2011 17:56:32 +0200, Adam Beneschan <adam@irvine.com> a  =

=C3=A9crit:
> However, this is the kind
> of thing that's easy to screw up in a compiler.  You have a tree
> representing the conditional expression, and then you try to rearrange=

> the nodes in the tree in order make the code run faster and avoid
> redundant computations, and if you don't do it right then something
> that was supposed to be evaluated conditionally gets moved so that
> it's evaluated before the condition is checked, and then your code
> blows up.

There is no formal proofs the applied transformations are valid ?


-- =

=E2=80=9CSyntactic sugar causes cancer of the semi-colons.=E2=80=9D  [Ep=
igrams on  =

Programming =E2=80=94 Alan J. =E2=80=94 P. Yale University]
=E2=80=9CStructured Programming supports the law of the excluded muddle.=
=E2=80=9D [Idem]
Java: Write once, Never revisit