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Pull in r200452 from upstream clang trunk (by Jakob Stoklund Olesen):
SPARCv9 supports atomic operations up to 64 bits.
Patch by Roman Divacky!
Introduced here: http://svn.freebsd.org/changeset/base/262262
Index: tools/clang/lib/Basic/Targets.cpp
===================================================================
--- tools/clang/lib/Basic/Targets.cpp
+++ tools/clang/lib/Basic/Targets.cpp
@@ -4535,6 +4535,7 @@ class SparcV9TargetInfo : public SparcTargetInfo {
LongDoubleWidth = 128;
LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::IEEEquad;
+ MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
virtual void getTargetDefines(const LangOptions &Opts,
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