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-rw-r--r--erts/include/internal/ethread.h40
1 files changed, 24 insertions, 16 deletions
diff --git a/erts/include/internal/ethread.h b/erts/include/internal/ethread.h
index 564f8f057c..9921247a06 100644
--- a/erts/include/internal/ethread.h
+++ b/erts/include/internal/ethread.h
@@ -694,25 +694,33 @@ ETHR_INLINE_FUNC_NAME_(ethr_write_lock)(ethr_rwlock_t *lock)
#endif
/* For CPU-optimised atomics, spinlocks, and rwlocks. */
-#if !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(__GNUC__)
-# if ETHR_SIZEOF_PTR == 4
-# if defined(__i386__)
-# include "i386/ethread.h"
-# elif (defined(__powerpc__) || defined(__ppc__)) && !defined(__powerpc64__)
-# include "ppc32/ethread.h"
-# elif defined(__sparc__)
-# include "sparc32/ethread.h"
-# elif defined(__tile__)
-# include "tile/ethread.h"
+#if !defined(ETHR_DISABLE_NATIVE_IMPLS)
+# if defined(__GNUC__)
+# if defined(ETHR_PREFER_GCC_NATIVE_IMPLS)
+# include "gcc/ethread.h"
# endif
-# elif ETHR_SIZEOF_PTR == 8
-# if defined(__x86_64__)
-# include "x86_64/ethread.h"
-# elif defined(__sparc__) && defined(__arch64__)
-# include "sparc64/ethread.h"
+# ifndef ETHR_HAVE_NATIVE_ATOMICS
+# if ETHR_SIZEOF_PTR == 4
+# if defined(__i386__)
+# include "i386/ethread.h"
+# elif (defined(__powerpc__)||defined(__ppc__))&&!defined(__powerpc64__)
+# include "ppc32/ethread.h"
+# elif defined(__sparc__)
+# include "sparc32/ethread.h"
+# elif defined(__tile__)
+# include "tile/ethread.h"
+# endif
+# elif ETHR_SIZEOF_PTR == 8
+# if defined(__x86_64__)
+# include "x86_64/ethread.h"
+# elif defined(__sparc__) && defined(__arch64__)
+# include "sparc64/ethread.h"
+# endif
+# endif
+# include "gcc/ethread.h"
# endif
# endif
-#endif /* !defined(ETHR_DISABLE_NATIVE_IMPLS) && defined(__GNUC__) */
+#endif /* !defined(ETHR_DISABLE_NATIVE_IMPLS) */
#ifdef ETHR_HAVE_OPTIMIZED_ATOMIC_OPS
# undef ETHR_HAVE_NATIVE_ATOMICS