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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Thomas Koenig Newsgroups: comp.arch Subject: Re: IBM architectural goals, Byte Addressability And Beyond Date: Thu, 30 May 2024 15:57:51 -0000 (UTC) Organization: A noiseless patient Spider Lines: 17 Message-ID: References: <8L%5O.1029$nd%8.627@fx45.iad> <20240530171222.00005f5a@yahoo.com> Injection-Date: Thu, 30 May 2024 17:57:51 +0200 (CEST) Injection-Info: dont-email.me; posting-host="944cb8743c41371018806bf99f5e6551"; logging-data="1856789"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18+x66xaef8tzT6+hRvA+Qg8t/Jv3+Fl7Q=" User-Agent: slrn/1.0.3 (Linux) Cancel-Lock: sha1:46ufJYdlZjiEZY+x3RNVz1qY+ZU= Bytes: 1745 John Levine schrieb: > According to Michael S : >>> Note that the feature was introduced in Znext (2012). That it is >>> still there must indicate that it gets some usage. >> >>Not necessarily. >>After feature was given publicly documented opcode it's very hard to >>remove it. >>Naturally, I don't know if this particular feature got publicly >>documented opcode and don't know where too look. > > They never remove anything from the architecture. If you're asking > about decimal FP, it's still there, both scalar and vector. I don't think the vector instructions of the /390 are in there any more. But those were markeded as extensions, so maybe that doesn't count. (And they were very underwhelming, so...)