extern void abort (void); poly16x4x2_t test_vtrnp16 (poly16x4_t _a, poly16x4_t _b) { return vtrn_p16 (_a, _b); } int main (int argc, char **argv) { int i; poly16_t first[] = {1, 2, 3, 4}; poly16_t second[] = {5, 6, 7, 8}; poly16x4x2_t result = test_vtrnp16 (vld1_p16 (first), vld1_p16 (second)); poly16x4_t res1 = result.val[0], res2 = result.val[1]; poly16_t exp1[] = {1, 5, 3, 7}; poly16_t exp2[] = {2, 6, 4, 8}; poly16x4_t expected1 = vld1_p16 (exp1); poly16x4_t expected2 = vld1_p16 (exp2); for (i = 0; i < 4; i++) if ((res1[i] != expected1[i]) || (res2[i] != expected2[i])) abort (); return 0; }