gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s252.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 s252(struct args_t * func_args)
  10 {
  11 //    scalar and array expansion
  12 //    loop with ambiguous scalar temporary
  13
  14     initialise_arrays(__func__);
  15
  16     real_t t, s;
  17     for (int nl = 0; nl < iterations; nl++) {
  18         t = (real_t) 0.;
  19         for (int i = 0; i < LEN_1D; i++) {
  20             s = b[i] * c[i];
  21             a[i] = s + t;
  22             t = s;
  23         }
  24         dummy(a, b, c, d, e, aa, bb, cc, 0.);
  25     }
  26
  27     return calc_checksum(__func__);
  28 }
  29
  30 int main (int argc, char **argv)
  31 {
  32   int n1 = 1;
  33   int n3 = 1;
  34   int* ip;
  35   real_t s1,s2;
  36   init(&ip, &s1, &s2);
  37
  38   run(&s252, "s252", NULL);
  39
  40   return 0;
  41 }
  42
  43 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */