From: Elliott Oti <e DOT oti AT stud DOT warande DOT ruu DOT nl>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: %ebp weirdness (and >10 operands problems)
Date: Thu, 30 Jan 1997 07:14:22 -0800
Organization: Academic Computer Centre Utrecht, (ACCU)
Lines: 16
Message-ID: <32F0BACE.5AC0@stud.warande.ruu.nl>
References: <5cq47n$nd AT flex DOT uunet DOT pipex DOT com>
NNTP-Posting-Host: warande1078.warande.ruu.nl
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp

nikki wrote:
> 
> is there any reason why
> 
> asm volatile ("movl $32,%%ebp"
>                 ::: "%ebp" );
> 
> is completely ignored by gcc? by that i mean that i've told it ebp has been
> clobbered and on the next line it generates in the .S file it promptly tries
> to load something using ebp and hence crashes miserably :)
> i thought the whole idea of having a clobber list was so that it knew not
> to use that value and to reload it, or push/pull it whatever.

Compiling with -fomit-frame-pointer might help

Elliott