Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!oliveb!sun!fatcity!khb From: khb@fatcity.Sun.COM (fatcity) Newsgroups: comp.arch Subject: Re: Unaligned data and old FORTRAN Keywords: RISC alignment FORTRAN validation suite Message-ID: <98036@sun.Eng.Sun.COM> Date: 7 Apr 89 20:17:10 GMT References: <13998@sequent.UUCP> Sender: news@sun.Eng.Sun.COM Reply-To: khb@sun.UUCP (fatcity) Organization: Sun Microsystems, Mountain View Lines: 18 In article <13998@sequent.UUCP> jjb@sequent.UUCP (Jeff Berkowitz) writes: >The now-defunct Culler machine was originally going to "just do the >wrong thing" on unaligned accesses. Fairly late in design, logic >was added to trap on unaligned accesses. As I recall, one of the >arguments for adding that logic was that it was difficult >(impossible?) to achieve F77 validation on a machine which "just >did the wrong thing". Can anyone comment on this? Does the F77 >validation suite actually force oddly aligned access and expect >them to work? Is there a qualified F77 for the RT PC? >-- There is no x3j3 equivalent of Ada validation. There are suites which purport to validate a compiler, but they have no x3j3, ansi, or iso standing. Keith H. Bierman It's Not My Fault ---- I Voted for Bill & Opus