gcc/testsuite/gcc.dg/vect/vect-46.c

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 256
   7
   8 typedef float afloat __attribute__ ((__aligned__(16)));
   9
  10 void bar (afloat *pa, afloat *pb, afloat *pc)
  11 {
  12   int i;
  13
  14   /* check results:  */
  15   for (i = 0; i < N; i++)
  16     {
  17       if (pa[i] != (pb[i] * pc[i]))
  18         abort();
  19     }
  20
  21   return;
  22 }
  23
  24
  25 int
  26 main1 (int n , afloat * __restrict__ pa, afloat * __restrict__ pb, afloat * __restrict__ pc)
  27 {
  28   int i;
  29
  30   for (i = 0; i < n; i++)
  31     {
  32       pa[i] = pb[i] * pc[i];
  33     }
  34
  35   return 0;
  36 }
  37
  38 int main (void)
  39 {
  40   int i;
  41   int n=N;
  42   afloat a[N];
  43   afloat b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  44   afloat c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  45
  46   check_vect ();
  47
  48   main1 (n,a,b,c);
  49   bar (a,b,c);
  50   return 0;
  51 }
  52
  53 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  54 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */