This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: Patch to purify some functions.

To: grahams <grahams at rcp dot co dot uk>
Subject: Re: Patch to purify some functions.
From: Andi Kleen <ak at suse dot de>
Date: 20 Apr 2000 19:17:08 +0200
Cc: gcc-patches at gcc dot gnu dot org
References: <20000420160740.I9657@atrey.karlin.mff.cuni.cz> <20000420082355N.mitchell@codesourcery.com> <38FF29F9.C422AE9E@rcp.co.uk>

grahams <grahams@rcp.co.uk> writes:

> Mark
> 
> Would it not be possible for the compiler to check that
> functions marked as pure are indeed pure.

That is pretty hard when the function calls other functions
which are not marked pure (unless you do global analysis) 

-Andi

References:
- Patch to purify some functions.
  - From: Jan Hubicka
- Re: Patch to purify some functions.
  - From: Mark Mitchell
- Re: Patch to purify some functions.
  - From: grahams

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]