Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!pasteur!ucbvax!decwrl!nsc!voder!apple!baum
From: baum@Apple.COM (Allen J. Baum)
Newsgroups: comp.arch
Subject: Re: Shifting question
Message-ID: <14236@apple.Apple.COM>
Date: 19 Jul 88 02:09:29 GMT
References: <705@bnr-rsc.UUCP> <60137@sun.uucp>
Reply-To: baum@apple.UUCP (Allen Baum)
Organization: Apple Computer, Inc.
Lines: 19

[]
>In article <60137@sun.uucp> alanf%smile@Sun.COM (Alan Fargusson) writes:
>In article <705@bnr-rsc.UUCP>, jim@bnr-rsc.UUCP (Jim Somerville) writes:
>> I have a question on how compilers should handle shifting.
>
>> What should be the value of y after the shifting is complete?
>> a) x
>> b) 0
>> c) none of the above
>
>D: All of the above.  It is implemetation dependent.
>
>> Do I have a valid complaint if the compiler I am using gives x?
>
>No.  Since different hardware will implements the shift in different ways it
>would be rather difficult to define this.

Our Cray will give x!=0, since an int is 64 bits....

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