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libroot: remove ATOMIC_FUNCS_ARE_SYSCALLS

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GCC knows whether these functions need to be implemented using syscalls
(or more clever solutions like in Linux) and calls libgcc in such case.

Signed-off-by: Paweł Dziepak <pdziepak@quarnos.org>
This commit is contained in:
Paweł Dziepak 2014-08-25 15:45:26 +02:00
parent a4cdc6072c
commit 721a07ac24
1 changed files with 0 additions and 4 deletions
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4
src/system/libroot/os/arch/generic/generic_atomic.cpp
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@ -7,8 +7,6 @@
#include <atomic> #include <atomic>
#include <sys/types.h> #include <sys/types.h>
#ifndef ATOMIC_FUNCS_ARE_SYSCALLS
extern "C" [[gnu::optimize("omit-frame-pointer")]] void extern "C" [[gnu::optimize("omit-frame-pointer")]] void
atomic_set(int32_t* ptr, int32_t value) atomic_set(int32_t* ptr, int32_t value)
@ -123,5 +121,3 @@ atomic_get64(int64_t* ptr)
return obj.load(std::memory_order_acquire); return obj.load(std::memory_order_acquire);
} }
#endif /* ATOMIC64_FUNCS_ARE_SYSCALLS */