[chbot] Macros describing optimization

[Charles Manning]

Thanks but it would appear that these just say if the code has been
optimised, not what the optimised level is.

eg. Can't tell the difference between -O1 and -Og.




On Tue, Jun 30, 2020 at 3:15 PM Bevin Brett <bevin_brett at hotmail.com> wrote:

> Try these
>
> https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html#Common-Predefined-Macros
>
> Common Predefined Macros (The C Preprocessor)
> <https://gcc.gnu.org/onlinedocs/cpp/Common-Predefined-Macros.html#Common-Predefined-Macros>
> 3.7.2 Common Predefined Macros. The common predefined macros are GNU C
> extensions. They are available with the same meanings regardless of the
> machine or operating system on which you are using GNU C or GNU Fortran.
> gcc.gnu.org
> __OPTIMIZE__ __OPTIMIZE_SIZE__ __NO_INLINE__
>
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