builit-in function

chingfu zongyue.chen@gmail.com
Wed Aug 2 01:07:00 GMT 2006



Ian Lance Taylor-3 wrote:
> 
> chingfu <zongyue.chen@gmail.com> writes:
> 
>>    How the builit-in function work? Does built-in function will reference
>> to
>> GLIB ?
> 
> When a built-in function is supported on your architecture, it will
> be compiled directly, and will not result in an external reference.
> 
> Some built-in functions are always supported.  Some are only supported
> directly if the architecture supports them.  Some have a fallback in
> libgcc.a, which means that the C library does not need to provide a
> version.
> 
> If you have a question about a specific built-in function, please ask
> that question.
> 
> Ian
> 
> 

Thanks a lot.

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