gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s122.c

   1 /*  This file is distributed under the University of Illinois Open Source
   2     License. See license.txt for details.  */
   3
   4 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
   5 /* { dg-require-effective-target vect_float } */
   6
   7 #include "tsvc.h"
   8
   9 real_t s122(struct args_t * func_args)
  10 {
  11 //    induction variable recognition
  12 //    variable lower and upper bound, and stride
  13 //    reverse data access and jump in data access
  14
  15     struct{int a;int b;} * x = func_args->arg_info;
  16     int n1 = x->a;
  17     int n3 = x->b;
  18
  19     initialise_arrays(__func__);
  20
  21     int j, k;
  22     for (int nl = 0; nl < iterations; nl++) {
  23         j = 1;
  24         k = 0;
  25         for (int i = n1-1; i < LEN_1D; i += n3) {
  26             k += j;
  27             a[i] += b[LEN_1D - k];
  28         }
  29         dummy(a, b, c, d, e, aa, bb, cc, 0.);
  30     }
  31
  32     return calc_checksum(__func__);
  33 }
  34
  35 int main (int argc, char **argv)
  36 {
  37   int n1 = 1;
  38   int n3 = 1;
  39   int* ip;
  40   real_t s1,s2;
  41   init(&ip, &s1, &s2);
  42
  43   run(&s122, "s122", &(struct{int a;int b;}){n1, n3});
  44
  45   return 0;
  46 }
  47
  48 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail *-*-* } } } */