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Re: function attribute const

From: Tony Finch <dot at dotat dot at>
To: Jan Hubicka <jh at suse dot cz>
Cc: Tony Finch <dot at dotat dot at>, gcc at gcc dot gnu dot org
Date: Wed, 13 Mar 2002 14:45:26 +0000
Subject: Re: function attribute const
References: <20020313142936.B12067@chiark.greenend.org.uk> <20020313143836.GA1542@atrey.karlin.mff.cuni.cz>

On Wed, Mar 13, 2002 at 03:38:36PM +0100, Jan Hubicka wrote:
> > 
> > If the programmer knows that the data structures which a function
> > examines will not change from one invocation of the function to
> > another, why can't the function be declared const?
> 
> Compiler may want to move the function call around and may get it before
> the structure is initialized.

I can make sure that a valid pointer implies that what is pointed to has
been initialized.

Tony.

Follow-Ups:
- Re: function attribute const
  - From: Alexandre Oliva

References:
- function attribute const
  - From: Tony Finch
- Re: function attribute const
  - From: Jan Hubicka

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