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Home » Extra libraries, Code snippets, applications etc. » C++ language problems and code snippets » Time for little quiz!
Re: Time for little quiz! [message #2265 is a reply to message #2263] Wed, 05 April 2006 14:52 Go to previous messageGo to previous message
victorb is currently offline  victorb
Messages: 78
Registered: December 2005
Location: Nice, France
Member
Interesting to see that none of the 3 suggested solution generate a conditional jump... they make use of the "setne" opcode...
I don't have the cycle count for each instruction but it might be as optimal as "(-q >> 31) & 1" with the benefit of being understandable.

-> I vote for coloccount += (q != 0);

Victor
 
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