Mail Archives: djgpp/1997/05/13/17:33:00
From: | Keith Hull <keithh AT zetnet DOT co DOT uk>
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Newsgroups: | comp.os.msdos.djgpp
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Subject: | Bitwise ASM with DJGPP GCC
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Date: | Tue, 13 May 1997 21:30:19 +0100
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Message-ID: | <1997051321301977565@zetnet.co.uk>
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NNTP-Posting-Host: | crescent.zetnet.co.uk
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Lines: | 28
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To: | djgpp AT delorie DOT com
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DJ-Gateway: | from newsgroup comp.os.msdos.djgpp
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Hi everyone,
I would like some help with GCC and inline asm (i've looked at
Brennan's Guide to Inline ASM - it seems to make sense ;) .... heres
my problem..
asm ("rorl _val, _num_of_rotates");
asm ("roll _val, _num_of_rotates");
asm ("sall _val, _num_of_rotates");
asm ("sarl _val, _num_of_rotates");
asm ("shll _val, _num_of_rotates");
asm ("shrl _val, _num_of_rotates");
none of the above statements compile under GCC!! They seem to have a
problem with the first operand!
Can anyone shed any light, i'm completely baffled.
Regards,
Keith
--
Keith Hull - Bournemouth
keithh AT zetnet DOT co DOT uk
keithh AT yeomanh DOT spsxch DOT p4 DOT sps DOT co DOT uk
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