gcc/testsuite/gcc.dg/vect/tsvc/vect-tsvc-s292.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 s292(struct args_t * func_args)
  10 {
  11 //    loop peeling
  12 //    wrap around variable, 2 levels
  13 //    similar to S291
  14
  15     initialise_arrays(__func__);
  16
  17     int im1, im2;
  18     for (int nl = 0; nl < iterations; nl++) {
  19         im1 = LEN_1D-1;
  20         im2 = LEN_1D-2;
  21         for (int i = 0; i < LEN_1D; i++) {
  22             a[i] = (b[i] + b[im1] + b[im2]) * (real_t).333;
  23             im2 = im1;
  24             im1 = i;
  25         }
  26         dummy(a, b, c, d, e, aa, bb, cc, 0.);
  27     }
  28
  29     return calc_checksum(__func__);
  30 }
  31
  32 int main (int argc, char **argv)
  33 {
  34   int n1 = 1;
  35   int n3 = 1;
  36   int* ip;
  37   real_t s1,s2;
  38   init(&ip, &s1, &s2);
  39
  40   run(&s292, "s292", NULL);
  41
  42   return 0;
  43 }
  44
  45 /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { xfail *-*-* } } } */