foreach_element(8, (dest).e[_i] = \
(u8)(source_a).e[_i] | ((u8)(source_b).e[_i] << 8)) \
+#define zip_4x32b(dest, source_a, source_b) \
+ foreach_element(4, (dest).e[_i] = \
+ (u16)(source_a).e[_i] | ((u16)(source_b).e[_i] << 16)) \
+
#define zip_2x64b(dest, source_a, source_b) \
foreach_element(2, (dest).e[_i] = \
(u64)(source_a).e[_i] | ((u64)(source_b).e[_i] << 32)) \