{
const __m128i k1 = _mm_loadu_si128((const __m128i *) key1);
const __m128i k2 = _mm_loadu_si128((const __m128i *) key2);
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_1
const __m128i x = _mm_xor_si128(k1, k2);
return !_mm_test_all_zeros(x, x);
+#else
+ const __m128i x = _mm_cmpeq_epi32(k1, k2);
+
+ return (_mm_movemask_epi8(x) != 0xffff);
+#endif
}
static int