220 37103 <2140195.afrQ3jm2S5@tjmaciei-mobl1> article Path: news.gmane.org!.POSTED!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: More conservative version of P0907 "Signed Integers are Two's Complement" Date: Mon, 26 Feb 2018 17:33:57 -0800 Lines: 19 Approved: news@gmane.org Message-ID: <2140195.afrQ3jm2S5@tjmaciei-mobl1> References: <5fd8159b-f69a-9009-a736-f1ab6e7af7d4@gmail.com> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1519695120 11904 195.159.176.226 (27 Feb 2018 01:32:00 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 27 Feb 2018 01:32:00 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBB7L2LKAKGQEPFQYVHA@isocpp.org Tue Feb 27 02:31:56 2018 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-qt0-f200.google.com ([209.85.216.200]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eqU7X-0002g8-HB for gclcip-std-proposals@m.gmane.org; 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[2001:19f0:5:2221::1:3]) by mx.google.com with ESMTPS id y186si8905499qkd.306.2018.02.26.17.33.59 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Feb 2018 17:33:59 -0800 (PST) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 2001:19f0:5:2221::1:3 as permitted sender) client-ip=2001:19f0:5:2221::1:3; Original-Received: from tjmaciei-mobl1.localnet (unknown [134.134.139.83]) by smtp.macieira.info (Postfix) with ESMTPSA id 8AD4993B8 for ; Mon, 26 Feb 2018 17:33:58 -0800 (PST) In-Reply-To: X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 2001:19f0:5:2221::1:3 as permitted sender) smtp.mailfrom=thiago@macieira.org Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:37103 Archived-At: On segunda-feira, 26 de fevereiro de 2018 17:28:13 PST Arthur O'Dwyer wrote: > unfolds as you described; on GCC -9223372036854775808 is actually of type > signed __int128, so it gets a signed-to-signed conversion.... which is > still implementation-defined, though.) Only if the target type cannot represent the value. In this case, it can. -- Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org Software Architect - Intel Open Source Technology Center -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/2140195.afrQ3jm2S5%40tjmaciei-mobl1. .