From: Nate Eldredge Newsgroups: comp.os.msdos.djgpp Subject: Re: Usign C variables in ASM with gcc Date: 01 Apr 2001 13:09:09 -0700 Organization: InterWorld Communications Lines: 20 Sender: nate AT mercury DOT st DOT hmc DOT edu Message-ID: <83zoe0757e.fsf@mercury.st.hmc.edu> References: <9a750m$j2r$1 AT news1 DOT sunrise DOT ch> NNTP-Posting-Host: mercury.st.hmc.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: nntp1.interworld.net 986155749 40539 134.173.57.219 (1 Apr 2001 20:09:09 GMT) X-Complaints-To: usenet AT news DOT interworld DOT net NNTP-Posting-Date: Sun, 1 Apr 2001 20:09:09 +0000 (UTC) User-Agent: Gnus/5.0802 (Gnus v5.8.2) Emacs/20.5 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com "Christophe Pollet" writes: > Hi ! > I'd like to use C variable in ASM peration... > > I have : > asm ("mov %al, my_variable"); > but it doesn't work... > > What have I to do ?? Read about Extended Asm in the gcc manual. From memory, I think what you want is asm("mov %%al, %0" : "=g" (my_variable)); -- Nate Eldredge neldredge AT hmc DOT edu