diff options
Diffstat (limited to 'include/my_atomic.h')
| -rw-r--r-- | include/my_atomic.h | 37 |
1 files changed, 34 insertions, 3 deletions
diff --git a/include/my_atomic.h b/include/my_atomic.h index c75b65db38d..8f13a0ab89b 100644 --- a/include/my_atomic.h +++ b/include/my_atomic.h @@ -112,9 +112,26 @@ #undef MY_ATOMIC_HAS_8_16 /* - * Attempt to do atomic ops without locks - */ -#include "atomic/nolock.h" + We choose implementation as follows: + ------------------------------------ + On Windows using Visual C++ the native implementation should be + preferrable. When using gcc we prefer the Solaris implementation + before the gcc because of stability preference, we choose gcc + builtins if available, otherwise we choose the somewhat broken + native x86 implementation. If neither Visual C++ or gcc we still + choose the Solaris implementation on Solaris (mainly for SunStudio + compilers). +*/ +#if defined(_MSC_VER) +#include "atomic/generic-msvc.h" +#elif defined(HAVE_SOLARIS_ATOMIC) +#include "atomic/solaris.h" +#elif defined(HAVE_GCC_ATOMIC_BUILTINS) +#include "atomic/gcc_builtins.h" +#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) +#include "atomic/x86-gcc.h" +#endif + #ifndef make_atomic_cas_body /* nolock.h was not able to generate even a CAS function, fall back */ @@ -280,6 +297,20 @@ make_atomic_store(32) make_atomic_store(64) make_atomic_store(ptr) +#if SIZEOF_LONG == 4 +#define my_atomic_addlong(A,B) my_atomic_add32((int32*) (A), (B)) +#define my_atomic_loadlong(A) my_atomic_load32((int32*) (A)) +#define my_atomic_storelong(A,B) my_atomic_store32((int32*) (A), (B)) +#define my_atomic_faslong(A,B) my_atomic_fas32((int32*) (A), (B)) +#define my_atomic_caslong(A,B,C) my_atomic_cas32((int32*) (A), (int32*) (B), (C)) +#else +#define my_atomic_addlong(A,B) my_atomic_add64((int64*) (A), (B)) +#define my_atomic_loadlong(A) my_atomic_load64((int64*) (A)) +#define my_atomic_storelong(A,B) my_atomic_store64((int64*) (A), (B)) +#define my_atomic_faslong(A,B) my_atomic_fas64((int64*) (A), (B)) +#define my_atomic_caslong(A,B,C) my_atomic_cas64((int64*) (A), (int64*) (B), (C)) +#endif + #ifdef _atomic_h_cleanup_ #include _atomic_h_cleanup_ #undef _atomic_h_cleanup_ |