220 35505 <1527647.07Qi8WvUZa@tjmaciei-mobl1> article Path: news.gmane.org!.POSTED!not-for-mail From: Thiago Macieira Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Rotational shift operator Date: Fri, 24 Nov 2017 16:09:48 -0800 Lines: 20 Approved: news@gmane.org Message-ID: <1527647.07Qi8WvUZa@tjmaciei-mobl1> References: <69593098-e2cc-487e-bd14-9001b27aa7c1@isocpp.org> <89af4d41-950e-4f4c-8f04-999db6c17b76@isocpp.org> 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 1511568599 17559 195.159.176.226 (25 Nov 2017 00:09:59 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 25 Nov 2017 00:09:59 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCB4TK757YBRBT7J4LIAKGQEJALNUUA@isocpp.org Sat Nov 25 01:09:51 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-wr0-f199.google.com ([209.85.128.199]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIO2X-0003d5-M2 for gclcip-std-proposals@m.gmane.org; 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[78.47.120.188]) by mx.google.com with ESMTP id g17si18620333wrg.377.2017.11.24.16.09.50 for ; Fri, 24 Nov 2017 16:09:50 -0800 (PST) Received-SPF: pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 as permitted sender) client-ip=78.47.120.188; Original-Received: from tjmaciei-mobl1.localnet (unknown [IPv6:2601:1c0:4501:5f9f:10a8:5dac:57fd:2747]) by gondolin.macieira.info (Postfix) with ESMTPSA id 7E67111A4E6 for ; Fri, 24 Nov 2017 16:09:50 -0800 (PST) In-Reply-To: <89af4d41-950e-4f4c-8f04-999db6c17b76@isocpp.org> X-Original-Sender: thiago@macieira.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of thiago@macieira.org designates 78.47.120.188 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-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:35505 Archived-At: On sexta-feira, 24 de novembro de 2017 10:46:09 PST Nicol Bolas wrote: > Bit-*rotation* is a less common operation than bit shifting. Proof: the fact that there's no built-in rotation operator in any major language, not even in C that was supposed to be "portable assembly". Especially in the olden days when you coudn't count on the compilers understanding what you meant. And if you want an even less common operation: rotate with carry. -- 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/1527647.07Qi8WvUZa%40tjmaciei-mobl1. .