gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s222.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 s222(struct args_t * func_args)
  10 {
  11 //    loop distribution
  12 //    partial loop vectorizatio recurrence in middle
  13
  14     initialise_arrays(__func__);
  15
  16     for (int nl = 0; nl < iterations/2; nl++) {
  17         for (int i = 1; i < LEN_1D; i++) {
  18             a[i] += b[i] * c[i];
  19             e[i] = e[i - 1] * e[i - 1];
  20             a[i] -= b[i] * c[i];
  21         }
  22         dummy(a, b, c, d, e, aa, bb, cc, 0.);
  23     }
  24
  25     return calc_checksum(__func__);
  26 }
  27
  28 int main (int argc, char **argv)
  29 {
  30   int n1 = 1;
  31   int n3 = 1;
  32   int* ip;
  33   real_t s1,s2;
  34   init(&ip, &s1, &s2);
  35
  36   run(&s222, "s222", NULL);
  37
  38   return 0;
  39 }
  40
  41 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail *-*-* } } } */