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[Bug tree-optimization/23049] [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x
- From: "pinskia at physics dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Sep 2005 19:38:40 -0000
- Subject: [Bug tree-optimization/23049] [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x
- References: <20050724142245.23049.drab@kepler.fjfi.cvut.cz>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at physics dot uc dot edu 2005-09-17 19:38 -------
Subject: Re: [4.1 Regression] ICE with -O3 -ftree-vectorize on 4.1.x
>
>
> ------- Additional Comments From rguenth at tat dot physik dot uni-tuebingen dot de 2005-09-17 19:31 -------
> Please fix the caller who is not folding the condition in the first place instead.
we have "a = b == 0 ? 1 : 2;" before in DOM and then we replace b with the value that DOM thinks is correct and then we have "0 == 0 ? 1 : 2;" which is then passed to fold
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23049