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rui314 / 8cc

A Small C Compiler
MIT License
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Emitting noop #54

Closed andrewchambers closed 9 years ago

andrewchambers commented 9 years ago

https://github.com/rui314/8cc/blob/ae00b675fd2a5948cfacb3fa3daffbeb347b5e63/gen.c#L245

mov #eax, #eax is a noop, I'm less sure that there is a logic error that can be triggered with a test case.

andrewchambers commented 9 years ago

I was wrong, it seems that this automatically zero's the top half of rax.