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-rw-r--r--Eigen/src/Core/arch/AltiVec/MatrixProductMMA.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Eigen/src/Core/arch/AltiVec/MatrixProductMMA.h b/Eigen/src/Core/arch/AltiVec/MatrixProductMMA.h
index bfee9ee92..37db1a6f1 100644
--- a/Eigen/src/Core/arch/AltiVec/MatrixProductMMA.h
+++ b/Eigen/src/Core/arch/AltiVec/MatrixProductMMA.h
@@ -12,9 +12,11 @@
#pragma GCC target("cpu=power10")
+#ifdef __has_builtin
#if !__has_builtin(__builtin_vsx_assemble_pair)
#define __builtin_vsx_assemble_pair __builtin_mma_assemble_pair
#endif
+#endif
namespace Eigen {