gcc/testsuite/gcc.target/i386/vect-double-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -ftree-vectorize -mfpmath=sse -msse2 -mtune=atom -fdump-tree-vect-stats" } */
   3
   4 extern void abort (void);
   5
   6 #ifndef STATIC
   7 #define STATIC
   8 #endif
   9
  10 #define N 16
  11
  12 double cb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  13 double ca[N];
  14
  15 STATIC void
  16 __attribute__ ((noinline))
  17 sse2_test (void)
  18 {
  19   int i;
  20
  21   for (i = 0; i < N; i++)
  22     {
  23       ca[i] = cb[i];
  24     }
  25
  26   /* check results:  */
  27   for (i = 0; i < N; i++)
  28     {
  29       if (ca[i] != cb[i])
  30         abort ();
  31     }
  32 }
  33
  34 /* { dg-final { scan-tree-dump-times "Vectorized loops: 1" 1 "vect" } } */