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| From: | "Alexandre Devaure" <Alexandre DOT Devaure AT leroy-autom DOT com> |
| Newsgroups: | comp.os.msdos.djgpp |
| References: | <fAeL4.1879$_d1 DOT 3770486 AT nnrp4 DOT proxad DOT net> <8dk3aa$m6a$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> <9LgL4.1906$D21 DOT 3649551 AT nnrp4 DOT proxad DOT net> <8dkfaj$rk1$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE> |
| Subject: | Re: 'volatile' undeclared from here |
| Lines: | 43 |
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| Message-ID: | <XljL4.1955$C91.3755056@nnrp4.proxad.net> |
| Date: | Wed, 19 Apr 2000 14:25:59 GMT |
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| NNTP-Posting-Date: | Wed, 19 Apr 2000 16:25:59 CEST |
| Organization: | Guest of ProXad - France |
| To: | djgpp AT delorie DOT com |
| DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
| Reply-To: | djgpp AT delorie DOT com |
Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de> a écrit dans le
message : 8dkfaj$rk1$1 AT nets3 DOT rz DOT RWTH-Aachen DOT DE...
> Alexandre Devaure <Alexandre DOT Devaure AT leroy-autom DOT com> wrote:
>
> > template<class T, unsigned Size>
> > class TValueFifo
> > {
> [...]
> > int PutSecure(const T& Value)
> > {
> > asm volatile ("pushf"); <= the problem is here
> > disable();
> > int Error = Put(Value);
> > popf();
>
> > return Error;
> > }
>
> Compiler error message was:
>
> > tfifo.h: In method `int TValueFifo<STaskMessage,64>::PutSecure(const
> > STaskMessage &)':
> > taskmgr.cpp:542: instantiated from here
> > tfifo.h:35: `volatile' undeclared (first use this function)
> > tfifo.h:35: (Each undeclared identifier is reported only once
> > tfifo.h:35: for each function it appears in.)
> > tfifo.h:35: warning: qualifier ignored on asm
>
> [Some of the other warnings are also quite nasty, so this is
> definitely not the only problem int that code...]
>
> I've never used or seen anyone use inline assembly in C++ programs,
> but even so, one of the things you should try is to replace the
> keywords by their ANSI standard-blessed equivalents,
>
> __asm__ __volatile__ ("pushf");
>
I tried and the error message was the same.
Alex
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