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-rw-r--r--clang/lib/Basic/Targets/PPC.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 9120808e298d..ca01b44ae3a5 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -849,6 +849,9 @@ void PPCTargetInfo::adjust(DiagnosticsEngine &Diags, LangOptions &Opts) {
? &llvm::APFloat::IEEEquad()
: &llvm::APFloat::PPCDoubleDouble();
Opts.IEEE128 = 1;
+ if (getTriple().isOSAIX() && Opts.EnableAIXQuadwordAtomicsABI &&
+ HasQuadwordAtomics)
+ MaxAtomicInlineWidth = 128;
}
ArrayRef<Builtin::Info> PPCTargetInfo::getTargetBuiltins() const {