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GeneralRe: Anything wrong Pin
Waldermort31-Mar-11 6:14
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Smith#31-Mar-11 6:22
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Waldermort31-Mar-11 6:35
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Luc Pattyn31-Mar-11 7:18
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CPallini31-Mar-11 7:36
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CPallini31-Mar-11 8:02
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QuestionCompare And Set 64 bit Pin
Waldermort31-Mar-11 1:40
MemberWaldermort31-Mar-11 1:40 
On most 32 bit systems bit 1 and 2 are not used in an address. This allows the CAS algorithm to test an address and also test a flag (very useful for non blocking linked lists).

However on a 64 bit system those 2 bit are in use.

After doing some googling I have found that AMD64 and IA64 use 48 bits. AMD plans to extend that 52 bits.

So my question is, Am I safe to use bit 1 of a 64 bit address, if so will it be portable?
Waldermort

AnswerRe: Compare And Set 64 bit Pin
Klaus-Werner Konrad31-Mar-11 9:06
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QuestionNeed help on windows socket programming Pin
John50231-Mar-11 0:30
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Nelek31-Mar-11 0:33
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Dave Calkins31-Mar-11 6:28
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QuestionVC 6 bug? Pin
includeh1030-Mar-11 16:01
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Albert Holguin30-Mar-11 17:10
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Smith#31-Mar-11 5:12
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Questioninvisible the file or folder Pin
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