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Re: [PATCH] Remove bogus optimization from may_alias_p

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Richard Guenther <rguenther at suse dot de>
Cc: Daniel Berlin <dberlin at dberlin dot org>, Richard Guenther <richard dot guenther at gmail dot com>, gcc-patches at gcc dot gnu dot org
Date: Wed, 22 Oct 2008 12:17:58 +0200
Subject: Re: [PATCH] Remove bogus optimization from may_alias_p
References: <alpine.LNX.1.10.0810191907060.3746@zhemvz.fhfr.qr> <alpine.LNX.1.10.0810211728330.3746@zhemvz.fhfr.qr> <alpine.LNX.1.10.0810211742190.3746@zhemvz.fhfr.qr>

> Index: tree-ssa-alias-warnings.c
> ===================================================================
> --- tree-ssa-alias-warnings.c	(revision 141264)
> +++ tree-ssa-alias-warnings.c	(working copy)
> @@ -896,7 +896,7 @@ skip_this_pointer (tree ptr ATTRIBUTE_UN
>      return true;
>
>    /* This would probably cause too many false positives.  */
> -  if (pi->value_escapes_p || pi->pt_anything)
> +  if (pi->value_escapes_p || pi->pt_anything || pi->pt_global_mem)
>      return true;
>
>    return false;

Do you plan to install it or...?

-- 
Eric Botcazou

Follow-Ups:
- Re: [PATCH] Remove bogus optimization from may_alias_p
  - From: Richard Guenther

References:
- [PATCH] Remove bogus optimization from may_alias_p
  - From: Richard Guenther
- Re: [PATCH] Remove bogus optimization from may_alias_p
  - From: Richard Guenther
- Re: [PATCH] Remove bogus optimization from may_alias_p
  - From: Richard Guenther

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