From: leathm AT solwarra DOT gbrmpa DOT gov DOT au (Leath Muller)
Message-Id: <199712030539.PAA16554@solwarra.gbrmpa.gov.au>
Subject: Re: Inline asm
To: eldredge AT ap DOT net (Nate Eldredge)
Date: Wed, 3 Dec 1997 15:39:10 +1000 (EST)
Cc: fabrice AT trash DOT lip6 DOT fr, djgpp AT delorie DOT com
In-Reply-To: <199712030228.SAA21769@adit.ap.net> from "Nate Eldredge" at Dec 2, 97 06:28:16 pm
Content-Type: text
Precedence: bulk

> >	You MUST !!

> Not necessarily. In many cases you can use GCC's extended asm features to
> inform it that a certain register has been clobbered. I can't think of a
> simple realistic example, so here's an imaginary one. The `frob' instruction
> does something useful and puts undefined stuff into the given register.
> asm("frob %ebx" : /* no outputs */ : /* no inputs */ : "%ebx");

Correct me if I am wrong, but if you have a piece of assembly in its own
subroutine:

	void whatever()
	{
		asm {
		}
	}

then you don't have to push/pop any registers other than the stack/stack
frame ones (like ebp if you use it) as the subroutine has its own stack
frame anyway...

Leathal.