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* Re: c++/5000: volatile asm code fails in template class member functions
@ 2001-12-03 17:17 rodrigc
0 siblings, 0 replies; 6+ messages in thread
From: rodrigc @ 2001-12-03 17:17 UTC (permalink / raw)
To: gcc-bugs, gcc-gnats, gcc-prs, nobody, sethml
Synopsis: volatile asm code fails in template class member functions
State-Changed-From-To: open->analyzed
State-Changed-By: rodrigc
State-Changed-When: Mon Dec 3 17:17:36 2001
State-Changed-Why:
Compiling your testcase with gcc 3.0 yielded the following
compilation error:
b.cc: In function `int main()':
b.cc:5: invalid `asm': operand number missing after %-letter
b.cc:5: invalid `asm': operand number missing after %-letter
If I changed the __asm__ line in your code to:
__asm__ __volatile__ ("movl %%eax,%%eax");
Then it compiled without problem.
Please see http://www.linuxassembly.org for a good tutorial
on the asm syntax.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5000&database=gcc
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: c++/5000: volatile asm code fails in template class member functions
@ 2001-12-04 0:16 rodrigc
0 siblings, 0 replies; 6+ messages in thread
From: rodrigc @ 2001-12-04 0:16 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/5000; it has been noted by GNATS.
From: rodrigc@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
nobody@gcc.gnu.org, sethml@ofb.net
Cc:
Subject: Re: c++/5000: volatile asm code fails in template class member functions
Date: 4 Dec 2001 08:06:16 -0000
Synopsis: volatile asm code fails in template class member functions
State-Changed-From-To: analyzed->closed
State-Changed-By: rodrigc
State-Changed-When: Tue Dec 4 00:06:16 2001
State-Changed-Why:
Not a bug, testcase is faulty, even though it may have
compiled under older gcc versions.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5000&database=gcc
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: c++/5000: volatile asm code fails in template class member functions
@ 2001-12-04 0:06 rodrigc
0 siblings, 0 replies; 6+ messages in thread
From: rodrigc @ 2001-12-04 0:06 UTC (permalink / raw)
To: gcc-bugs, gcc-gnats, gcc-prs, nobody, sethml
Synopsis: volatile asm code fails in template class member functions
State-Changed-From-To: analyzed->closed
State-Changed-By: rodrigc
State-Changed-When: Tue Dec 4 00:06:16 2001
State-Changed-Why:
Not a bug, testcase is faulty, even though it may have
compiled under older gcc versions.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5000&database=gcc
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: c++/5000: volatile asm code fails in template class member functions
@ 2001-12-03 21:36 sethml
0 siblings, 0 replies; 6+ messages in thread
From: sethml @ 2001-12-03 21:36 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/5000; it has been noted by GNATS.
From: sethml@ofb.net
To: rodrigc@gcc.gnu.org
Cc: gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
nobody@gcc.gnu.org, sethml@ofb.net
Subject: Re: c++/5000: volatile asm code fails in template class member functions
Date: Mon, 03 Dec 2001 21:29:57 -0800
> Synopsis: volatile asm code fails in template class member functions
>
> State-Changed-From-To: open->analyzed
> State-Changed-By: rodrigc
> State-Changed-When: Mon Dec 3 17:17:36 2001
> State-Changed-Why:
> Compiling your testcase with gcc 3.0 yielded the following
> compilation error:
>
> b.cc: In function `int main()':
> b.cc:5: invalid `asm': operand number missing after %-letter
> b.cc:5: invalid `asm': operand number missing after %-letter
>
> If I changed the __asm__ line in your code to:
>
> __asm__ __volatile__ ("movl %%eax,%%eax");
>
> Then it compiled without problem.
And then if you try to compile it on gcc 2.95, it will fail to
compile. See bug report c++/4999.
Seth
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: c++/5000: volatile asm code fails in template class member functions
@ 2001-12-03 17:26 rodrigc
0 siblings, 0 replies; 6+ messages in thread
From: rodrigc @ 2001-12-03 17:26 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR c++/5000; it has been noted by GNATS.
From: rodrigc@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org, gcc-gnats@gcc.gnu.org, gcc-prs@gcc.gnu.org,
nobody@gcc.gnu.org, sethml@ofb.net
Cc:
Subject: Re: c++/5000: volatile asm code fails in template class member functions
Date: 4 Dec 2001 01:17:37 -0000
Synopsis: volatile asm code fails in template class member functions
State-Changed-From-To: open->analyzed
State-Changed-By: rodrigc
State-Changed-When: Mon Dec 3 17:17:36 2001
State-Changed-Why:
Compiling your testcase with gcc 3.0 yielded the following
compilation error:
b.cc: In function `int main()':
b.cc:5: invalid `asm': operand number missing after %-letter
b.cc:5: invalid `asm': operand number missing after %-letter
If I changed the __asm__ line in your code to:
__asm__ __volatile__ ("movl %%eax,%%eax");
Then it compiled without problem.
Please see http://www.linuxassembly.org for a good tutorial
on the asm syntax.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=5000&database=gcc
^ permalink raw reply [flat|nested] 6+ messages in thread
* c++/5000: volatile asm code fails in template class member functions
@ 2001-12-03 16:16 sethml
0 siblings, 0 replies; 6+ messages in thread
From: sethml @ 2001-12-03 16:16 UTC (permalink / raw)
To: gcc-gnats
>Number: 5000
>Category: c++
>Synopsis: volatile asm code fails in template class member functions
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Mon Dec 03 16:16:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: sethml@ofb.net
>Release: 2.95.4
>Organization:
>Environment:
Debian unstable (sid) i386, Linux 2.2.17
>Description:
The compiler gets confused when a member function (static or not) of a template class contains volatile asm. Attempting to compile the following:
template <class X> struct test {
static int foo() {
__asm__ __volatile__ ("movl %eax %eax");
}
};
int main() {
test<int>::foo();
return 0;
}
results in:
% g++ -v --save-temps bug2.cc
Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs
gcc version 2.95.4 20011006 (Debian prerelease)
/usr/lib/gcc-lib/i386-linux/2.95.4/cpp0 -lang-c++ -v -D__GNUC__=2 -D__GNUG__=2 -D__GNUC_MINOR__=95 -D__cplusplus -D__ELF__ -Dunix -D__i386__ -Dlinux -D__ELF__ -D__unix__ -D__i386__ -D__linux__ -D__unix -D__linux -Asystem(posix) -D__EXCEPTIONS -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ bug2.cc bug2.ii
GNU CPP version 2.95.4 20011006 (Debian prerelease) (i386 Linux/ELF)
#include "..." search starts here:
#include <...> search starts here:
/usr/lib/gcc-lib/i386-linux/2.95.4/../../../../include/g++-3
/usr/local/include
/usr/lib/gcc-lib/i386-linux/2.95.4/include
/usr/include
End of search list.
The following default directories have been omitted from the search path:
/usr/lib/gcc-lib/i386-linux/2.95.4/../../../../i386-linux/include
End of omitted list.
/usr/lib/gcc-lib/i386-linux/2.95.4/cc1plus bug2.ii -quiet -dumpbase bug2.cc -version -o bug2.s
GNU C++ version 2.95.4 20011006 (Debian prerelease) (i386-linux) compiled by GNU C version 2.95.4 20011006 (Debian prerelease).
bug2.cc: In function `static int test<int>::foo()':
bug2.cc:8: instantiated from here
bug2.cc:3: `volatile' undeclared (first use this function)
bug2.cc:3: (Each undeclared identifier is reported only once
bug2.cc:3: for each function it appears in.)
bug2.cc:3: warning: qualifier ignored on asm
See also bug report titled "asm code with concatenated content fails in template class member functions".
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2001-12-04 8:16 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2001-12-03 17:17 c++/5000: volatile asm code fails in template class member functions rodrigc
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2001-12-04 0:16 rodrigc
2001-12-04 0:06 rodrigc
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2001-12-03 17:26 rodrigc
2001-12-03 16:16 sethml
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