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Mail Archives: djgpp/2002/04/27/18:30:10

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From: "Graham Warren" <Moosehead AT tesco DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Inline Assembly with DJGPP
Date: Sat, 27 Apr 2002 22:28:44 +0000 (UTC)
Organization: BT Openworld
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To: djgpp AT delorie DOT com
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I have been attempting to use some inline assembly language in a plain C
program. The following code (taken straight from 'Brennan's Guide to Inline
Assembly'), will not compile as part of a program.

asm ("cld\n\t"
     "rep\n\t"
     "stosl"
     : /* no output registers */
     : "c" (count), "a" (fill_value), "D" (dest)
     : "%ecx", "%edi" );

I get the following error messages:
"Error: Invalid asm statement"
"Error: fixed or forbidden register 2 (cx) was spilled for class CREG"

Can anyone explain what is wrong with my syntax or give me a hint to what
the problem is here?

Thanks very much.
Graham





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