From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-0.5 required=3.0 tests=BAYES_05,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.6 X-Received: by 2002:a37:d86:: with SMTP id 128mr3120737qkn.299.1626370237337; Thu, 15 Jul 2021 10:30:37 -0700 (PDT) X-Received: by 2002:a25:690e:: with SMTP id e14mr6759226ybc.277.1626370237140; Thu, 15 Jul 2021 10:30:37 -0700 (PDT) Path: eternal-september.org!reader02.eternal-september.org!news.mixmin.net!proxad.net!feeder1-2.proxad.net!209.85.160.216.MISMATCH!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Thu, 15 Jul 2021 10:30:36 -0700 (PDT) In-Reply-To: <73f3c6be-8de5-4ad7-a420-d33866d3c87bn@googlegroups.com> Injection-Info: google-groups.googlegroups.com; posting-host=86.28.147.129; posting-account=L2-UcQkAAAAfd_BqbeNHs3XeM0jTXloS NNTP-Posting-Host: 86.28.147.129 References: <5a1cegtfm5ibqej3ldebpc4g99ujniqt9u@4ax.com> <0e6ee3e9-baad-47b3-872b-90ec6c735920n@googlegroups.com> <73f3c6be-8de5-4ad7-a420-d33866d3c87bn@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <0f45b73c-9904-4e1f-bda7-2df8473fca7dn@googlegroups.com> Subject: Re: Not good for Ada endorsement From: Lucretia Injection-Date: Thu, 15 Jul 2021 17:30:37 +0000 Content-Type: text/plain; charset="UTF-8" Xref: reader02.eternal-september.org comp.lang.ada:62395 List-Id: On Thursday, 15 July 2021 at 17:29:52 UTC+1, Anh Vo wrote: > > A packed array of Boolean requires all the operations above, plus shifting the > > bit to the LSB and treating the result as a Boolean, so it may not be that > > surprising that it's slower. > Should fixed lower bound index array (-gnatX) speed it up? On GCC 9.3.0: -gnatX Language extensions permitted