gnu/dist/gcc4/gcc/testsuite/gcc.dg/vect/fast-math-vect-pr29925.c

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdlib.h>
   4 #include "tree-vect.h"
   5
   6 void interp_pitch(float *exc, float *interp, int pitch, int len)
   7 {
   8    int i,k;
   9    int maxj;
  10
  11    maxj=3;
  12    for (i=0;i<len;i++)
  13    {
  14       float tmp = 0;
  15       for (k=0;k<7;k++)
  16       {
  17          tmp += exc[i-pitch+k+maxj-6];
  18       }
  19       interp[i] = tmp;
  20    }
  21 }
  22
  23 int main()
  24 {
  25    float *exc = calloc(126,sizeof(float));
  26    float *interp = calloc(80,sizeof(float));
  27    int pitch = -35;
  28
  29    check_vect ();
  30
  31    interp_pitch(exc, interp, pitch, 80);
  32    free(exc);
  33    free(interp);
  34    return 0;
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  38 /* { dg-final { cleanup-tree-dump "vect" } } */
  39