http://llvm.org/bugs/show_bug.cgi?id=16650
Bug ID: 16650
Summary: atomic_add_fetch
Product: clang
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
I cannot compile libstdc++'s atomic library with long long type on 32 bit
machine.
So the following code cannot be compiled:
#include <atomic>
int main()
{
std::atomic<long long> l(0);
++l;
return 0;
}
With the following error:
clang++ -std=c++11 atomic.cpp
In file included from atomic.cpp:1:
In file included from
/usr/lib/gcc/i486-linux-gnu/4.7/../../../../include/c++/4.7/atomic:41:
/usr/lib/gcc/i486-linux-gnu/4.7/../../../../include/c++/4.7/bits/atomic_base.h:369:16:
error: cannot compile this atomic
library call yet
{ return __atomic_add_fetch(&_M_i, 1, memory_order_seq_cst); }
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
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