From: "John M. Aldrich" Newsgroups: comp.os.msdos.djgpp Subject: Re: push %eax, %ebx instead of pusha Date: Tue, 17 Feb 1998 18:46:19 -0500 Organization: Two pounds of chaos and a pinch of salt. Lines: 24 Message-ID: <34EA214B.3B96@cs.com> References: <34E9DE96 DOT 5339 AT bluewin DOT ch> NNTP-Posting-Host: ppp213.cs.com 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 Precedence: bulk leger_v AT bluewin DOT ch wrote: > > I'm sorry but I don't use the inline assembly. > So here's my question : > How could I push not all the registers but only one or two. > I'd like to use "push %eax, %ebx" but it doesn't work. > Should I put "pushl" or "pushw". I don't know. (sorry for this silly > question) > but please help me thanx. Issue one push instruction per register that you want to move to the stack. You must pop them in reverse order once finished. If you are using gcc's extended inline assembly, you can tell it which registers you use and gcc will automatically decide if they need to be saved. -- John M. Aldrich, aka Fighteer I UIN# 7406319 -----BEGIN GEEK CODE BLOCK----- Version: 3.1 GCS d- s+:- a-->? C++>$ U@>++$ p>+ L>++ E>++ W++ N++ o+>++ K? w(---) O- M-- V? PS+ PE Y+ PGP- t+(-) 5- X- R+(++) tv+() b+++ DI++ D++ G>++ e(*)>++++ h!() !r !y+() ------END GEEK CODE BLOCK------