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--- cfe/trunk/lib/Basic/Targets.cpp 2013/04/04 23:51:36 178815
+++ cfe/trunk/lib/Basic/Targets.cpp 2013/04/04 23:53:43 178816
@@ -2730,6 +2730,14 @@
case NoMMX3DNow:
break;
}
+
+ if (CPU >= CK_i486) {
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
+ }
+ if (CPU >= CK_i586)
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
}
bool X86TargetInfo::hasFeature(StringRef Feature) const {
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