Re: inline functions

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On Sat, Jun 4, 2016 at 9:08 PM, Augusto Mecking Caringi
<augustocaringi@xxxxxxxxx> wrote:
> On Sat, Jun 4, 2016 at 11:59 AM, Muni Sekhar <munisekharrms@xxxxxxxxx> wrote:
>> Hi,
>>
>> I tested with the below mentioned code("inline.c") to understand about
>> inline functions.
>>
>> I explicitly instructed gcc to translate inline.c to inline.s.
>>
>> Next I removed the inline keyword from inline.c and re-created the
>> inline.s file, but I don’t see any difference in the assembly code. Is
>> it correct behavior?
>>
>> Could you guys point few good examples to understand the concept of inline?
>
> Hi Muni,
>
>     Probably gcc is automatic inlining your function even in the
> absence of 'inline' keyword...
>
>     Take a look here:
>
>     http://www.cocoabuilder.com/archive/xcode/269025-how-to-disable-gcc-automatic-inlining.html

Thanks Augusto.


>
>     And here:
>
>     https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html
>
>     There are a few inline related flags, including this:
>
>     -finline-functions-called-once
> Consider all static functions called once for inlining into their
> caller even if they are not marked inline. If a call to a given
> function is integrated, then the function is not output as assembler
> code in its own right.
> Enabled at levels -O1, -O2, -O3 and -Os.
>
>     Best regards,
>
> --
> Augusto Mecking Caringi



-- 
Thanks,
Sekhar

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