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GCC Explorer - an interactive take on compilationGCC Explorer - an interactive take on compilationPosted May 24, 2012 17:33 UTC (Thu) by cborni (subscriber, #12949)In reply to: GCC Explorer - an interactive take on compilation by ncm Parent article: GCC Explorer - an interactive take on compilation
> How do you turn it off?
-fno-builtin should turn that off
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GCC Explorer - an interactive take on compilation Posted May 24, 2012 18:10 UTC (Thu) by njs (guest, #40338) [Link]
-fno-builtin-printf, I think, unless you also hate things like memcpy optimisations.
(It's not actually that uncommon to log some strings from inside a CPU-intensive loop, and printf does have a fair amount of overhead relative to puts.)
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