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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 15:20

Have you read your ``Intel® 64 and IA-32 Architectures Optimization Reference Manual'' §3.4.1.5 and §3.5.1.8 today?
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