#define zip_4x32b(dest, source_a, source_b) \
foreach_element(4, (dest).e[_i] = \
#define zip_4x32b(dest, source_a, source_b) \
foreach_element(4, (dest).e[_i] = \
#define zip_2x64b(dest, source_a, source_b) \
foreach_element(2, (dest).e[_i] = \
#define zip_2x64b(dest, source_a, source_b) \
foreach_element(2, (dest).e[_i] = \