From: NoEmailAds AT execpc DOT com (Chris Giese)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Prolog
Date: Thu, 01 Aug 2002 02:46:32 GMT
Organization: PROPULSION GROUP
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"Lawrence Rust" <lvr AT nospam DOT softsystem DOT co DOT uk> wrote:

>Is it possible to suppress the prolog and epilog code emitted by gcc in an
>extern function just consisting of asm statements?  E.g in:
>
>extern void foo( void)
>{
>  __asm__ __volatile ( "...");
>}
>
>Even in an optimised (-O3) build the compiler emits:
>
> pushl %ebp
> movl %esp,%ebp
> ...
> movl %ebp,%esp
> popl %ebp
> ret

Maybe "gcc -fomit-frame-pointer ..." ?