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dtoolbase: prefer GCC AtomicAdjust implementation over i386 asm one

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rdb 2018-08-19 16:05:39 +02:00
parent 5da8b63a66
commit 21f5e77467
1 changed files with 14 additions and 14 deletions
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28
dtool/src/dtoolbase/atomicAdjust.h
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@ -30,6 +30,20 @@ struct AtomicAdjust {
#include "atomicAdjustDummyImpl.h"
typedef AtomicAdjustDummyImpl AtomicAdjust;
#elif (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))) || (defined(__clang__) && (__clang_major__ >= 3))
// GCC 4.7 and above has built-in __atomic functions for atomic operations.
// Clang 3.0 and above also supports them.
#include "atomicAdjustGccImpl.h"
typedef AtomicAdjustGccImpl AtomicAdjust;
#if (__GCC_ATOMIC_INT_LOCK_FREE + __GCC_ATOMIC_LONG_LOCK_FREE) > 0
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE 1
#endif
#if __GCC_ATOMIC_POINTER_LOCK_FREE > 0
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE_PTR 1
#endif
#elif (defined(__i386__) || defined(_M_IX86)) && !defined(__APPLE__)
// For an i386 architecture, we'll always use the i386 implementation. It
// should be safe for any OS, and it might be a bit faster than any OS-
@ -45,20 +59,6 @@ typedef AtomicAdjustI386Impl AtomicAdjust;
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE 1
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE_PTR 1
#elif (defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 7))) || (defined(__clang__) && (__clang_major__ >= 3))
// GCC 4.7 and above has built-in __atomic functions for atomic operations.
// Clang 3.0 and above also supports them.
#include "atomicAdjustGccImpl.h"
typedef AtomicAdjustGccImpl AtomicAdjust;
#if (__GCC_ATOMIC_INT_LOCK_FREE + __GCC_ATOMIC_INT_LOCK_FREE) > 0
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE 1
#endif
#if __GCC_ATOMIC_POINTER_LOCK_FREE > 0
#define HAVE_ATOMIC_COMPARE_AND_EXCHANGE_PTR 1
#endif
#elif defined(THREAD_WIN32_IMPL)
#include "atomicAdjustWin32Impl.h"