[x86_64] atomic operations disabled
-----------------------------------
Key: STDCXX-162
URL: http://issues.apache.org/jira/browse/STDCXX-162
Project: C++ Standard Library
Type: Improvement
Components: Configuration
Versions: 4.1.3
Environment: x86_64
Reporter: Martin Sebor
Priority: Critical
Fix For: 4.1.4
Atomic operations are disabled on AMD64 and EM64T.
$ uname -srp && cat t.cpp && make t && LD_LIBRARY_PATH=../lib:$LD_LIBRARY_PATH
./t
Linux 2.6.9-22.ELsmp x86_64
#include <cassert>
#include <string>
#include <pthread.h>
int main ()
{
typedef std::char_traits<char> Traits;
typedef std::allocator<char> Allocator;
typedef __rw::__string_ref<char, Traits, Allocator> strref;
struct SmallRef {
int ref_count;
std::string::size_type capacity;
std::string::size_type size;
};
struct LargeRef {
pthread_mutex_t mutex;
int ref_count;
std::string::size_type capacity;
std::string::size_type size;
};
assert (sizeof (strref) <= sizeof (SmallRef));
assert (sizeof (strref) < sizeof (LargeRef));
}
gcc -c -I/build/sebor/dev/stdlib/include/ansi -D_RWSTDDEBUG -pthread -D_RWSTD_USE_CONFIG
-I/build/sebor/gcc-3.4.4-15D/include -I/build/sebor/dev/stdlib/include -I/build/sebor/dev/stdlib/../rwtest
-I/build/sebor/dev/stdlib/../rwtest/include -I/build/sebor/dev/stdlib/tests/include -pedantic
-nostdinc++ -g -Wall -W -Wcast-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align
t.cpp
gcc t.o -o t -L/build/sebor/gcc-3.4.4-15D/rwtest -lrwtest15d -pthread -L/build/sebor/gcc-3.4.4-15D/lib
-lstd15d -lsupc++ -lm
t: t.cpp:24: int main(): Assertion `sizeof (strref) <= sizeof (SmallRef)' failed.
Aborted
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://issues.apache.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see:
http://www.atlassian.com/software/jira
|