/* { dg-do compile } */ /* { dg-options "-c -O2 -ftree-vectorize" { target *-*-* } } */ typedef struct eqn_d { int *coef; } *eqn; typedef struct omega_pb_d { eqn subs; } *omega_pb; omega_pb omega_solve_problem (omega_pb); omega_pb omega_solve_geq (omega_pb pb, int n) { int i, e; int j = 0; for (e = n - 1; e >= 0; e--) if (pb->subs[e].coef[i] != pb->subs[e].coef[j]) { pb->subs[e].coef[i] = j; pb->subs[e].coef[j] = i; } return omega_solve_problem (pb); }