Author: Robert Hyatt
Date: 11:04:09 01/21/04
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On January 21, 2004 at 02:40:53, Steve Maughan wrote: >Bob, > >>It is a "classic bit scan first with potential bugs" implementation. :) >> >>It depends on undefined behavior that could change at any time. It assumes >>that the second BSF instruction won't change eax if no bits are set. This is >>_not_ guaranteed. > >Sure - I realize that but what the heck. I'll be going 64 bit within the next >year! > >Any idea what the magic trick is to inline the assembler? You could look at Crafty. I have some inline asm (inlineamd.h) that works with gcc. Eugene has some inline asm for MSCV in vcinline.h.. > >Thanks, > >Steve
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