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Pointless instruction?

Name: Anonymous 2010-04-26 13:49

What does this x86 assembler instruction do?

lea  eax, [eax+0]

AFAIK this has no effect. Then what the hell did GCC generate this for? (in /O3 mode!)

Name: Anonymous 2010-04-26 13:56

what the hell does lea do anyways? i tried to find out but i never got any good explenation.
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