gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-fast-math-vect-pr29925.c

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdlib.h>
   4 #include "../../tree-vect.h"
   5
   6 __attribute__ ((noinline)) void
   7 interp_pitch(float *exc, float *interp, int pitch, int len)
   8 {
   9    int i,k;
  10    int maxj;
  11
  12    maxj=3;
  13    for (i=0;i<len;i++)
  14    {
  15       float tmp = 0;
  16       for (k=0;k<7;k++)
  17       {
  18          tmp += exc[i-pitch+k+maxj-6];
  19       }
  20       interp[i] = tmp;
  21    }
  22 }
  23
  24 int main()
  25 {
  26    float *exc = calloc(126,sizeof(float));
  27    float *interp = calloc(80,sizeof(float));
  28    int pitch = -35;
  29
  30    check_vect ();
  31
  32    interp_pitch(exc, interp, pitch, 80);
  33    free(exc);
  34    free(interp);
  35    return 0;
  36 }
  37
  38 /* { dg-final { scan-tree-dump-times "vectorization not profitable" 1 "vect" } } */
  39 /* { dg-final { cleanup-tree-dump "vect" } } */
  40