gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s4116.c

/*  This file is distributed under the University of Illinois Open Source
    License. See license.txt for details.  */

/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
/* { dg-require-effective-target vect_float } */

#include "tsvc.h"

real_t s4116(struct args_t * func_args)
{
//    indirect addressing
//    more complicated sparse sdot
//    gather is required

    struct{int * __restrict__ a;int b;int c;} * x = func_args->arg_info;
    int * __restrict__ ip = x->a;
    int j = x->b;
    int inc = x->c;

    initialise_arrays(__func__);

    real_t sum;
    int off;
    for (int nl = 0; nl < 100*iterations; nl++) {
        sum = 0.;
        for (int i = 0; i < LEN_2D-1; i++) {
            off = inc + i;
            sum += a[off] * aa[j-1][ip[i]];
        }
        dummy(a, b, c, d, e, aa, bb, cc, 0.);
    }

    return sum;
}

int main (int argc, char **argv)
{
  int n1 = 1;
  int n3 = 1;
  int* ip;
  real_t s1,s2;
  init(&ip, &s1, &s2);

  run(&s4116, "s4116", &(struct{int * a; int b; int c;}){ip, LEN_2D/2, n1});

  return 0;
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */