From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.5-pre1 (2020-06-20) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.5-pre1 Path: eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail From: Paul Rubin Newsgroups: comp.lang.ada Subject: Re: is there a version of unix written in Ada Date: Thu, 01 Oct 2020 16:14:16 -0700 Organization: A noiseless patient Spider Message-ID: <87blhllet3.fsf@nightsong.com> References: <00cd3aaa-d518-43a2-b321-58d6fae70aebo@googlegroups.com> <57eb7a65-51ea-4624-b9dc-9c4dda0fee59n@googlegroups.com> <5f70fd3b$0$13541$426a74cc@news.free.fr> <87wo0d3iac.fsf@nightsong.com> <87sgb02l7b.fsf@nightsong.com> <875z7vyy1u.fsf@nightsong.com> <87wo0bkns3.fsf@nightsong.com> <87sgayl6o0.fsf@nightsong.com> <87o8lml1md.fsf@nightsong.com> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: reader02.eternal-september.org; posting-host="48b6a69cd5a7821c692db7c8bfac35a1"; logging-data="29436"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19/sFCMAKGdEKdDW6SxsRCn" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) Cancel-Lock: sha1:ITcH1qzHIOE0z+nqZcIh+xIw+d4= sha1:hrCm1ujTxdFwpdltbsvsWhhmWjw= Xref: reader02.eternal-september.org comp.lang.ada:60377 List-Id: "Randy Brukardt" writes: > Sure, but it's impractical on the Intel architectures as the machines are > too register-poor to use them unnecessarily. That was before the 64-bit extensions. They have 16 GPR's now, plus a lot of special purpose (XMM etc.) registers where you can put stuff.