How do I implement a count of 1-bits within a 16/32/64bit word using the very fast Intel POPCNT instruction, under Delphi XE or XE2? Is there a library routine giving direct access to this instruction? Can someone write a demo asm section illustrating its use please? And finally, what are the options for 64bit Delphi (no asm available)? thanks in advance t
POPCNT in Delphi XE/ XE2 64bit
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As Rob Kennedy sugested, here you have functions for 32bit and 64bit Delphi IDE.
EDIT: This is 32bit and 64bit Delphi compatible version