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-rw-r--r--arch/arm/atomic_arch.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/atomic_arch.h b/arch/arm/atomic_arch.h
index e427836a..9e3937cc 100644
--- a/arch/arm/atomic_arch.h
+++ b/arch/arm/atomic_arch.h
@@ -83,7 +83,7 @@ static inline void a_crash()
: : : "memory");
}
-#if __ARM_ARCH >= 5
+#if __ARM_ARCH >= 5 && (!__thumb__ || __thumb2__)
#define a_clz_32 a_clz_32
static inline int a_clz_32(uint32_t x)