Re: mulsi3 and other inbuilt functions

["Michael K. Elwood" <mkelwood@qsicorp.com>]

>Where is the function mulsi3 hidden? I am compiling with an m68k cross
>gcc and anytime I put a multiply in my code the compiler generates a
>call to this mysterious function. Anyone know 1) where it is 2) why it's
>not 'in-lined' by the code generator and 3) what other special functions
>like this there are hard coded into the compiler...


mulsi3 is in libgcc, where the "helper functions" for the compiler live. It
can be quite substantial on many processors (I'm not familiar with the
m68k), so inlining may not always be desirable. Try listing symbols in
libgcc.a with nm if you are curious about the other goodies in there.

Hope this helps.

Best regards,

MKE


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