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Re: [PATCH] Don't fold away division by zero (PR middle-end/66127)
- From: Marek Polacek <polacek at redhat dot com>
- To: Richard Biener <richard dot guenther at gmail dot com>
- Cc: Joseph Myers <joseph at codesourcery dot com>, Jakub Jelinek <jakub at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Richard Biener <rguenther at suse dot de>
- Date: Thu, 14 May 2015 10:10:35 +0200
- Subject: Re: [PATCH] Don't fold away division by zero (PR middle-end/66127)
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- References: <20150513134111 dot GA27320 at redhat dot com> <20150513135509 dot GE1751 at tucnak dot redhat dot com> <20150513141115 dot GC27320 at redhat dot com> <alpine dot DEB dot 2 dot 10 dot 1505131456470 dot 30846 at digraph dot polyomino dot org dot uk> <20150513191803 dot GG27320 at redhat dot com> <alpine dot DEB dot 2 dot 10 dot 1505132240340 dot 29221 at digraph dot polyomino dot org dot uk> <C9ED8DD0-5813-4FFC-BB30-26780D2980B0 at gmail dot com>
On Thu, May 14, 2015 at 09:59:49AM +0200, Richard Biener wrote:
> Do the patches allow us to remove the restrictions from the folding patterns?
With the c_fully_fold_internal patches there's no need to tweak any match.pd
patterns. So PR66127 + PR66066 are to be solved solely in the C FE. Is that
what you're asking about?
Marek