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Re: [RFC] Ignore TREE_CONSTANT_OVERFLOW in integer_zerop
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Roger Sayle <roger at eyesopen dot com>
- Cc: gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org
- Date: Mon, 3 Apr 2006 00:50:09 +0000 (UTC)
- Subject: Re: [RFC] Ignore TREE_CONSTANT_OVERFLOW in integer_zerop
- References: <Pine.LNX.4.44.0604011958030.17330-100000@www.eyesopen.com>
On Sat, 1 Apr 2006, Roger Sayle wrote:
> As a step in this direction, the patch below removes the
> TREE_CONSTANT_OVERFLOW checks from integer_zerop, integer_onep,
Has there been a patch to the C++ front end corresponding to my patch
<http://gcc.gnu.org/ml/gcc-patches/2005-12/msg00315.html> to the C front
end, or did you determine that one was not needed for the C++ front end to
avoid counting overflowed 0 as a null pointer constant?
--
Joseph S. Myers http://www.srcf.ucam.org/~jsm28/gcc/
jsm@polyomino.org.uk (personal mail)
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