gcc/testsuite/gcc.dg/vect/pr31699.c

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdlib.h>
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 float x[256];
   8
   9 __attribute__ ((noinline))
  10 float *foo(void)
  11 {
  12  float *z = malloc (sizeof(float) * 256);
  13
  14  int i;
  15  for (i=0; i<256; ++i)
  16    z[i] = x[i] + 1.0f;
  17
  18  return z;
  19 }
  20
  21
  22 int main()
  23 {
  24  int i;
  25
  26  check_vect ();
  27
  28  for (i = 0; i < 256; i++)
  29    x[i] = (float) i;
  30
  31  foo();
  32
  33  return 0;
  34 }
  35
  36 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_intfloat_cvt } } } */
  37 /* { dg-final { scan-tree-dump-times "vector alignment may not be reachable" 1 "vect" { target { ! vector_alignment_reachable } } } } */
  38 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 1 "vect" { target { ! vector_alignment_reachable } } } } */