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Index > Compiler Internals > Lock

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roticv



Joined: 19 Jun 2003
Posts: 374
Location: Singapore
roticv
Fasm should not allow input such as lock mov eax, [Sequence] because the lock prefix is not allowed in such a manner... Will be nice if there is some warning error instead of my application crashing because of unknown software exception.
Post 05 Jun 2004, 12:57
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Ralph



Joined: 04 Oct 2003
Posts: 86
Ralph
LOCK is a prefix, and it's perfectly legal to use it infront of any instruction just like you could do REP MOV EAX,[Sequence]. I don't think fasm should report an error here. I'm sure tasm, nasm, masm, etc would, but that's why I use fasm. Warning sure, but fasm has no warnings.
Post 17 Jun 2004, 08:36
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