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Re: [v3] avoid alignment of static variables affecting stack's

From: Bernd Schmidt <bschmidt at redhat dot com>
To: Jan Beulich <JBeulich at suse dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Thu, 10 Dec 2015 18:22:27 +0100
Subject: Re: [v3] avoid alignment of static variables affecting stack's
Authentication-results: sourceware.org; auth=none
References: <5669805902000078000BE192 at prv-mh dot provo dot novell dot com> <566983F3 dot 5070605 at redhat dot com> <5669B16802000078000BE33A at prv-mh dot provo dot novell dot com>

On 12/10/2015 05:07 PM, Jan Beulich wrote:

If not reaching

   if (TREE_CODE (origvar) == SSA_NAME)
     {
       gcc_assert (TREE_CODE (var) != VAR_DECL
		  || (!DECL_EXTERNAL (var)
		      && !DECL_HAS_VALUE_EXPR_P (var)
		      && !TREE_STATIC (var)
		      && TREE_TYPE (var) != error_mark_node
		      && !DECL_HARD_REGISTER (var)
		      && really_expand));
     }

in that case is not a problem, this would make for even simpler a
change. Please let me know.

I think that's fine. BTW there's a is_global_var predicate that{c,sh}ould be used for your test.



Bernd

References:
- [v3] avoid alignment of static variables affecting stack's
  - From: Jan Beulich
- Re: [v3] avoid alignment of static variables affecting stack's
  - From: Bernd Schmidt
- Re: [v3] avoid alignment of static variables affecting stack's
  - From: Jan Beulich

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