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From: | "Ben Peddell" <killer DOT lightspeed AT bigpond DOT com> |
Newsgroups: | comp.os.msdos.djgpp |
References: | <1814460936 DOT 20030115105536 AT elins DOT ru> |
Subject: | Re: Problem with inline AT&T assembler |
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Message-ID: | <0kaV9.24596$jM5.64926@newsfeeds.bigpond.com> |
Date: | Wed, 15 Jan 2003 20:11:21 +1000 |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
You should _never_ declare a register that is either input or output as being clobbered. GCC assumes that input registers are clobbered anyway, and declaring a register as clobbered just makes that register unavailable as input or output. Bokarev Alexandr <bokarev AT elins DOT ru> wrote in message news:1814460936 DOT 20030115105536 AT elins DOT ru... > I have DJGPP ver.3.1 and try to use inline assembler. > I write something like: > > int src; > __asm__ ( \ > "some code in assembler" > : > : "S" (src) > : "%esi" ); > > and think that this code is right. But compiler says: > "Error: can't find register in class 'SIREG' while reloading 'asm'" > (or CREG, DIREG etc.). > What must I do to fix this error ? > >
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