gcc/testsuite/gcc.dg/vect/vect-22.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 64
   8
   9   int ia[N];
  10   int ib[N]=
  11     {1,1,0,0,1,0,1,0,
  12      1,1,0,0,1,0,1,0,
  13      1,1,0,0,1,0,1,0,
  14      1,1,0,0,1,0,1,0,
  15      1,1,0,0,1,0,1,0,
  16      1,1,0,0,1,0,1,0,
  17      1,1,0,0,1,0,1,0,
  18      1,1,0,0,1,0,1,0};
  19
  20   signed char ca[N];
  21   signed char cb[N] =
  22     {1,1,0,0,1,0,1,0,
  23      1,1,0,0,1,0,1,0,
  24      1,1,0,0,1,0,1,0,
  25      1,1,0,0,1,0,1,0,
  26      1,1,0,0,1,0,1,0,
  27      1,1,0,0,1,0,1,0,
  28      1,1,0,0,1,0,1,0,
  29      1,1,0,0,1,0,1,0};
  30
  31   short sa[N];
  32   short sb[N] =
  33     {1,1,0,0,1,0,1,0,
  34      1,1,0,0,1,0,1,0,
  35      1,1,0,0,1,0,1,0,
  36      1,1,0,0,1,0,1,0,
  37      1,1,0,0,1,0,1,0,
  38      1,1,0,0,1,0,1,0,
  39      1,1,0,0,1,0,1,0,
  40      1,1,0,0,1,0,1,0};
  41
  42   float fa[N];
  43   float fb[N] =
  44     {1,1,0,0,1,0,1,0,
  45      1,1,0,0,1,0,1,0,
  46      1,1,0,0,1,0,1,0,
  47      1,1,0,0,1,0,1,0,
  48      1,1,0,0,1,0,1,0,
  49      1,1,0,0,1,0,1,0,
  50      1,1,0,0,1,0,1,0,
  51      1,1,0,0,1,0,1,0};
  52
  53 __attribute__ ((noinline)) int
  54 main1 ()
  55 {
  56   int i;
  57   /* Check ints.  */
  58
  59   for (i = 0; i < N; i++)
  60     {
  61       ia[i] = -ib[i];
  62     }
  63
  64   /* check results:  */
  65   for (i = 0; i <N; i++)
  66     {
  67       if (ia[i] != -ib[i])
  68         abort ();
  69     }
  70
  71   /* Check chars.  */
  72
  73   for (i = 0; i < N; i++)
  74     {
  75       ca[i] = -cb[i];
  76     }
  77
  78   /* check results:  */
  79   for (i = 0; i <N; i++)
  80     {
  81       if (ca[i] != -cb[i])
  82         abort ();
  83     }
  84
  85   /* Check shorts.  */
  86
  87   for (i = 0; i < N; i++)
  88     {
  89       sa[i] = -sb[i];
  90     }
  91
  92   /* check results:  */
  93   for (i = 0; i <N; i++)
  94     {
  95       if (sa[i] != -sb[i])
  96         abort ();
  97     }
  98
  99   /* Check floats.  */
 100
 101   for (i = 0; i < N; i++)
 102     {
 103       fa[i] = -fb[i];
 104     }
 105
 106   /* check results:  */
 107   for (i = 0; i <N; i++)
 108     {
 109       if (fa[i] != -fb[i])
 110         abort ();
 111     }
 112
 113   return 0;
 114 }
 115
 116 int main (void)
 117 {
 118   check_vect ();
 119
 120   return main1 ();
 121 }
 122
 123 /* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */
 124 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
 125
 126 /* { dg-final { cleanup-tree-dump "vect" } } */