From: dontmailme AT iname DOT com (Steamer)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: THE -O2 PROBLEM
Date: Fri, 14 Apr 2000 19:41:50 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hans-Bernhard Broeker wrote:

>Exactly. The problem is that with the AT&T assembly syntax used by gas
>and gcc, it may well be impossible to use the "g" constraint for any
>input/output operand.

I don't understand this comment.
E.g., what's wrong with something like:

    __asm__ (
        "roll $16, %0"
        : "=g" (x)
        : "0" (x)
        : "cc"
    );

S.