Re: Is this a form of Data Flow Analysis, and what is the proper way solution to the problem?

A Pietu Pohjalainen <pohjalai@cc.helsinki.fi>
26 Jan 2006 14:15:11 -0500

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Re: Is this a form of Data Flow Analysis, and what is the proper way s henry@spsystems.net (2006-01-17)
Re: Is this a form of Data Flow Analysis, and what is the proper way s DrDiettrich@compuserve.de (Hans-Peter Diettrich) (2006-01-17)
Re: Is this a form of Data Flow Analysis, and what is the proper way s paolo.bonzini@gmail.com (2006-01-17)
Re: Is this a form of Data Flow Analysis, and what is the proper way s owong@castortech.com (Oliver Wong) (2006-01-20)
Re: Is this a form of Data Flow Analysis, and what is the proper way s gneuner2@comcast.net (George Neuner) (2006-01-26)
Re: Is this a form of Data Flow Analysis, and what is the proper way s paolo.bonzini@gmail.com (2006-01-26)
Re: Is this a form of Data Flow Analysis, and what is the proper way s pohjalai@cc.helsinki.fi (A Pietu Pohjalainen) (2006-01-26)
Re: Is this a form of Data Flow Analysis, and what is the proper way s owong@castortech.com (Oliver Wong) (2006-01-28)
Re: Is this a form of Data Flow Analysis, and what is the proper way s pohjalai@cc.helsinki.fi (A Pietu Pohjalainen) (2006-02-03)
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From: A Pietu Pohjalainen <pohjalai@cc.helsinki.fi>
Newsgroups: comp.compilers
Date: 26 Jan 2006 14:15:11 -0500
Organization: University of Helsinki
References: 06-01-037 06-01-055
Keywords: Java

paolo.bonzini@gmail.com wrote:
>> In the statement:
>> z = y = x;
>> Which of the following outputs would be more "correct"?
>>
>> * There is a read from x, which leads to a write to y.
>> * There is a write to y.
>> * There is a read from y, which leads to a write to z.
>> * There is a write to z.


> This one, according to the JLS.


JLS = Java Language Specification ?


Java compiler does to bytecode level:
read x;
duplicate;
write y;
write z;


There is no read from y.


br,
Pietu Pohjalainen


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