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Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."

From: Richard Kenner
Subject: Re: changing "configure" to default to "gcc -g -O2 -fwrapv ..."
Date: Sun, 31 Dec 2006 08:33:05 EST

> On the other hand, C does not have a way to tell the compiler:
>     "this is my loop variable, it must not be modified inside the loop"
> neither you can say:
>     "this is the upper bound of the loop, it must not be modified"
> either.

No, but the compiler can almost always trivially determine that nothing in
the loop can modify the variable, so I'm not sure I understand your point.

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