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10d019 |
diff --git a/configure.ac b/configure.ac
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10d019 |
index 26c509e..c1bfd62 100644
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10d019 |
--- a/configure.ac
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10d019 |
+++ b/configure.ac
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10d019 |
@@ -4152,6 +4152,10 @@ if test "yes" = "$use_atomic"; then
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2e2c49 |
AC_MSG_RESULT($arch)
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2e2c49 |
fi
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2e2c49 |
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2e2c49 |
+if test ! "$arch" = "x86_64" -a "$have_xaddq" = "yes"; then
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2e2c49 |
+ AC_MSG_ERROR([XADDQ present but disabled by Fedora patch!])
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2e2c49 |
+fi
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2e2c49 |
+
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2e2c49 |
if test "yes" = "$have_atomic"; then
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2e2c49 |
AC_MSG_CHECKING([compiler support for inline assembly code])
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2e2c49 |
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2e2c49 |
diff --git a/lib/isc/include/isc/platform.h.in b/lib/isc/include/isc/platform.h.in
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10d019 |
index c902d46..9c7c342 100644
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2e2c49 |
--- a/lib/isc/include/isc/platform.h.in
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2e2c49 |
+++ b/lib/isc/include/isc/platform.h.in
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10d019 |
@@ -284,19 +284,25 @@
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2e2c49 |
* If the "xaddq" operation (64bit xadd) is available on this architecture,
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2e2c49 |
* ISC_PLATFORM_HAVEXADDQ will be defined.
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2e2c49 |
*/
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2e2c49 |
-@ISC_PLATFORM_HAVEXADDQ@
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89a891 |
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89a891 |
/*
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89a891 |
- * If the 32-bit "atomic swap" operation is available on this
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89a891 |
- * architecture, ISC_PLATFORM_HAVEATOMICSTORE" will be defined.
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89a891 |
+ * If the 64-bit "atomic swap" operation is available on this
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89a891 |
+ * architecture, ISC_PLATFORM_HAVEATOMICSTOREQ" will be defined.
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89a891 |
*/
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89a891 |
-@ISC_PLATFORM_HAVEATOMICSTORE@
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89a891 |
+
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2e2c49 |
+#ifdef __x86_64__
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2e2c49 |
+#define ISC_PLATFORM_HAVEXADDQ 1
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89a891 |
+#define ISC_PLATFORM_HAVEATOMICSTOREQ 1
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2e2c49 |
+#else
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2e2c49 |
+#undef ISC_PLATFORM_HAVEXADDQ
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89a891 |
+#undef ISC_PLATFORM_HAVEATOMICSTOREQ
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2e2c49 |
+#endif
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2e2c49 |
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2e2c49 |
/*
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89a891 |
- * If the 64-bit "atomic swap" operation is available on this
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89a891 |
+ * If the 32-bit "atomic swap" operation is available on this
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89a891 |
* architecture, ISC_PLATFORM_HAVEATOMICSTORE" will be defined.
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89a891 |
*/
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89a891 |
-@ISC_PLATFORM_HAVEATOMICSTOREQ@
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89a891 |
+@ISC_PLATFORM_HAVEATOMICSTORE@
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89a891 |
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|
89a891 |
/*
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89a891 |
* If the "compare-and-exchange" operation is available on this architecture,
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