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.comm vs .largecomm


Hi,

What is the difference between .comm and .largecomm ( in gas for x86_64). May it be assumed that ( the address of a ) symbol defined by .comm is < 2G, e.g. after

   .comm foo,100,4,4
   movabsq $foo,%rax


'rax' has 0's in the upper 33 bits.



Thank you in advance.


Regards,

David


-- David Livshin


http://www.dalsoft.com



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