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authorRickard Green <[email protected]>2015-03-20 22:05:10 +0100
committerRickard Green <[email protected]>2015-03-20 22:05:10 +0100
commitb99ce1c3a64f24e68b8a937338546fdf60501c65 (patch)
treef05aca3b1f87413ea9f04cd9b3569597da0f996f /erts/include/internal/ethread_header_config.h.in
parent6642d62c071f94d3e76254453099e2df01f7ad0e (diff)
parent24fa075b5c0d54f2035a2ff510a82aa19187eda4 (diff)
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Merge branch 'rickard/gcc-atomics/OTP-12383'
* rickard/gcc-atomics/OTP-12383: Improve ethread atomics based on GCC builtins Conflicts: erts/aclocal.m4
Diffstat (limited to 'erts/include/internal/ethread_header_config.h.in')
-rw-r--r--erts/include/internal/ethread_header_config.h.in68
1 files changed, 49 insertions, 19 deletions
diff --git a/erts/include/internal/ethread_header_config.h.in b/erts/include/internal/ethread_header_config.h.in
index 618fcba380..a9727568a2 100644
--- a/erts/include/internal/ethread_header_config.h.in
+++ b/erts/include/internal/ethread_header_config.h.in
@@ -1,7 +1,7 @@
/*
* %CopyrightBegin%
*
- * Copyright Ericsson AB 2004-2011. All Rights Reserved.
+ * Copyright Ericsson AB 2004-2015. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
@@ -84,32 +84,62 @@
/* Define if run in Sparc RMO, PSO, or TSO mode */
#undef ETHR_SPARC_RMO
-/* Define if you have __sync_add_and_fetch() for 32-bit integers */
-#undef ETHR_HAVE___SYNC_ADD_AND_FETCH32
+/* Define as a boolean indicating whether you have a gcc compatible compiler
+ capable of generating the ARM DMB instruction, and are compiling for an ARM
+ processor with ARM DMB instruction support, or not */
+#undef ETHR_HAVE_GCC_ASM_ARM_DMB_INSTRUCTION
-/* Define if you have __sync_add_and_fetch() for 64-bit integers */
-#undef ETHR_HAVE___SYNC_ADD_AND_FETCH64
+/* Define as a bitmask corresponding to the word sizes that
+ __sync_synchronize() can handle on your system */
+#undef ETHR_HAVE___sync_synchronize
-/* Define if you have __sync_fetch_and_and() for 32-bit integers */
-#undef ETHR_HAVE___SYNC_FETCH_AND_AND32
+/* Define as a bitmask corresponding to the word sizes that
+ __sync_add_and_fetch() can handle on your system */
+#undef ETHR_HAVE___sync_add_and_fetch
-/* Define if you have __sync_fetch_and_and() for 64-bit integers */
-#undef ETHR_HAVE___SYNC_FETCH_AND_AND64
+/* Define as a bitmask corresponding to the word sizes that
+ __sync_fetch_and_and() can handle on your system */
+#undef ETHR_HAVE___sync_fetch_and_and
-/* Define if you have __sync_fetch_and_or() for 32-bit integers */
-#undef ETHR_HAVE___SYNC_FETCH_AND_OR32
+/* Define as a bitmask corresponding to the word sizes that
+ __sync_fetch_and_or() can handle on your system */
+#undef ETHR_HAVE___sync_fetch_and_or
-/* Define if you have __sync_fetch_and_or() for 64-bit integers */
-#undef ETHR_HAVE___SYNC_FETCH_AND_OR64
+/* Define as a bitmask corresponding to the word sizes that
+ __sync_val_compare_and_swap() can handle on your system */
+#undef ETHR_HAVE___sync_val_compare_and_swap
-/* Define if you have __sync_val_compare_and_swap() for 32-bit integers */
-#undef ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP32
+/* Define as a boolean indicating whether you have a gcc __atomic builtins or
+ not */
+#undef ETHR_HAVE_GCC___ATOMIC_BUILTINS
-/* Define if you have __sync_val_compare_and_swap() for 64-bit integers */
-#undef ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP64
+/* Define as a boolean indicating whether you trust gcc's __atomic_* builtins
+ memory barrier implementations, or not */
+#undef ETHR_TRUST_GCC_ATOMIC_BUILTINS_MEMORY_BARRIERS
-/* Define if you have __sync_val_compare_and_swap() for 128-bit integers */
-#undef ETHR_HAVE___SYNC_VAL_COMPARE_AND_SWAP128
+/* Define as a bitmask corresponding to the word sizes that __atomic_store_n()
+ can handle on your system */
+#undef ETHR_HAVE___atomic_store_n
+
+/* Define as a bitmask corresponding to the word sizes that __atomic_load_n()
+ can handle on your system */
+#undef ETHR_HAVE___atomic_load_n
+
+/* Define as a bitmask corresponding to the word sizes that
+ __atomic_add_fetch() can handle on your system */
+#undef ETHR_HAVE___atomic_add_fetch
+
+/* Define as a bitmask corresponding to the word sizes that
+ __atomic_fetch_and() can handle on your system */
+#undef ETHR_HAVE___atomic_fetch_and
+
+/* Define as a bitmask corresponding to the word sizes that
+ __atomic_fetch_or() can handle on your system */
+#undef ETHR_HAVE___atomic_fetch_or
+
+/* Define as a bitmask corresponding to the word sizes that
+ __atomic_compare_exchange_n() can handle on your system */
+#undef ETHR_HAVE___atomic_compare_exchange_n
/* Define if you prefer gcc native ethread implementations */
#undef ETHR_PREFER_GCC_NATIVE_IMPLS