RE: Inlining function pointers

[yavuz yetim <yavuzyetim at hotmail dot com>]

When I try it with -O1, it does inline the pointer as well...
Sorry for my spams.

Thanks,
Yavuz

----------------------------------------
> From: yavuzyetim@hotmail.com
> To: gcc-help@gcc.gnu.org
> Subject: FW: Inlining function pointers
> Date: Wed, 26 Aug 2009 14:34:40 +0000
>
>
>
>
> ----------------------------------------
>> From: yavuzyetim@hotmail.com
>> To: eljay@adobe.com
>> Subject: RE: Inlining function pointers
>> Date: Wed, 26 Aug 2009 14:34:09 +0000
>>
>>
>> Sorry, my mistake, so I tried the below: It does inline the regular call but why can't it inline the function pointer? It knows which function this pointer is pointing to beforehand. So shouldn't it inline it?
>>
>> #include
>>
>> static inline void print_stuff() __attribute__((always_inline));
>> static inline void print_stuff()
>> {
>> printf("yavuz");
>> }
>> static inline void call_func(void (*my_func)()) __attribute__((always_inline));
>> static inline void call_func(void (*my_func)()) {
>> my_func();
>> }
>>
>> int main() {
>> call_func(print_stuff);
>> }
>>
>> and the result is:
>> trash$gcc -S den.c
>> trash$more den.s
>> .file "den.c"
>> .text
>> .globl main
>> .type main, @function
>> main:
>> leal 4(%esp), %ecx
>> andl $-16, %esp
>> pushl -4(%ecx)
>> pushl %ebp
>> movl %esp, %ebp
>> pushl %ecx
>> subl $20, %esp
>> movl $print_stuff, -8(%ebp)
>> movl -8(%ebp), %eax
>> call *%eax
>> addl $20, %esp
>> popl %ecx
>> popl %ebp
>> leal -4(%ecx), %esp
>> ret
>> .size main, .-main
>> .section .rodata
>> .LC0:
>> .string "yavuz"
>> .text
>> .type print_stuff, @function
>> print_stuff:
>> pushl %ebp
>> movl %esp, %ebp
>> subl $8, %esp
>> movl $.LC0, (%esp)
>> call printf
>> leave
>> ret
>> .size print_stuff, .-print_stuff
>> .ident "GCC: (Ubuntu 4.3.3-5ubuntu4) 4.3.3"
>> .section .note.GNU-stack,"",@progbits
>>
>>
>>
>> ----------------------------------------
>>> From: eljay@adobe.com
>>> To: yavuzyetim@hotmail.com
>>> Date: Wed, 26 Aug 2009 07:30:35 -0700
>>> Subject: Re: Inlining function pointers
>>>
>>> Hi yavuz,
>>>
>>>> trash$gcc -finline-functions -S den.c
>>>
>>> That won't result in the functions to be inlined.
>>>
>>> You have to enable optimization as well: -O1 -finline-functions
>>>
>>> Sincerely,
>>> --Eljay
>>>
>>
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