Re: Number of uses per value ?

=?ISO-8859-1?Q?Pertti_Kellom=E4ki?= <pertti.kellomaki@tut.fi>
Wed, 31 Oct 2007 16:49:46 +0200

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Related articles
Number of uses per value ? pertti.kellomaki@tut.fi (=?ISO-8859-1?Q?Pertti_Kellom=E4ki?=) (2007-10-24)
Re: Number of uses per value ? derek@_NOSPAM_knosof.co.uk (Derek M. Jones) (2007-10-25)
Re: Number of uses per value ? pertti.kellomaki@tut.fi (=?ISO-8859-1?Q?Pertti_Kellom=E4ki?=) (2007-10-30)
Re: Number of uses per value ? derek@_NOSPAM_knosof.co.uk (Derek M. Jones) (2007-10-31)
Re: Number of uses per value ? pertti.kellomaki@tut.fi (=?ISO-8859-1?Q?Pertti_Kellom=E4ki?=) (2007-10-31)
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From: =?ISO-8859-1?Q?Pertti_Kellom=E4ki?= <pertti.kellomaki@tut.fi>
Newsgroups: comp.compilers
Date: Wed, 31 Oct 2007 16:49:46 +0200
Organization: Compilers Central
References: 07-10-077 07-10-086 07-10-099 07-10-104
Keywords: practice
Posted-Date: 31 Oct 2007 12:52:23 EDT

Derek M. Jones kirjoitti:
> By value do you mean object (see Figure 721.1) or specific
> value (not sure I can help).


What I am after is the number of reads before a value is killed,
e.g. (e1, e2, e3 stand for arbitrary expressions)


        x = e1; y = x; z = x; x = e2 ; w = x; x = e3; ...


the value e1 is used twice and e2 once.


But I think I will be able to find something if I chase the
references given in the caption of the figure. Thanks!
--
Pertti


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