Fix type punning in AArch64_AM_isSVEMaskOfIdenticalElements

capstone-engine · Jan 7, 2024 · 52d7560 · 52d7560
1 parent b9c260e
commit 52d7560
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/arch/AArch64/AArch64AddressingModes.h b/arch/AArch64/AArch64AddressingModes.h
@@ -827,7 +827,8 @@ static inline uint64_t AArch64_AM_decodeAdvSIMDModImmType12(uint8_t Imm)
 #define DEFINE_isSVEMaskOfIdenticalElements(T)                                 \
 	static inline bool CONCAT(AArch64_AM_isSVEMaskOfIdenticalElements, T)(int64_t Imm)    \
 	{                                                                          \
-		T *Parts = (T *)(&(Imm));					\
+		T Parts[sizeof(int64_t) / sizeof(T)];                  \
+		memcpy(Parts, &Imm, sizeof(int64_t) / sizeof(T) * sizeof(T));                 \
 		for (int i = 0; i < (sizeof(int64_t) / sizeof(T)); i++) {   \
 			if (Parts[i] != Parts[0]) \
 				return false; \