+#ifdef __AVX__
+
+typedef __m256i ymm_t;
+
+#define YMM_SIZE (sizeof(ymm_t))
+#define YMM_MASK (YMM_SIZE - 1)
+
+typedef union rte_ymm {
+ ymm_t y;
+ xmm_t x[YMM_SIZE / sizeof(xmm_t)];
+ uint8_t u8[YMM_SIZE / sizeof(uint8_t)];
+ uint16_t u16[YMM_SIZE / sizeof(uint16_t)];
+ uint32_t u32[YMM_SIZE / sizeof(uint32_t)];
+ uint64_t u64[YMM_SIZE / sizeof(uint64_t)];
+ double pd[YMM_SIZE / sizeof(double)];
+} rte_ymm_t;
+
+#endif /* __AVX__ */
+