Re: Unaligned data and old FORTRAN

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Article #20705

#20705

From: Guy Harris
Date: Sat, 08 Apr 1989 22:42

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>Fortunately for current RISCs, the only legal kind of misalignment in Fortran
>77 puts a doubleword on a singleword boundary, and processors with 32-bit
>busses tend not to notice that.

SPARC notices it, though.  (Was this put into the architecture for the
benefit of potential future implementations with 64-bit buses?)

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!lll-winken!uunet!auspex!guy
From: guy@auspex.auspex.com (Guy Harris)
Newsgroups: comp.arch
Subject: Re: Unaligned data and old FORTRAN
Keywords: RISC alignment FORTRAN validation suite
Message-ID: <1405@auspex.auspex.com>
Date: 8 Apr 89 22:42:33 GMT
References: <13998@sequent.UUCP> <747@key.COM>
Reply-To: guy@auspex.auspex.com (Guy Harris)
Organization: Auspex Systems, Santa Clara
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