gcc/testsuite/gcc.dg/vect/vect-50.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
   9 void bar (float *pa, float *pb, float *pc)
  10 {
  11   int i;
  12
  13   /* check results:  */
  14   for (i = 0; i < N; i++)
  15     {
  16       if (pa[i] != (pb[i] * pc[i]))
  17         abort ();
  18     }
  19
  20   return;
  21 }
  22
  23
  24 int
  25 main1 (int n, float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc)
  26 {
  27   int i;
  28
  29   for (i = 0; i < n; i++)
  30     {
  31       pa[i] = pb[i] * pc[i];
  32     }
  33
  34   bar (pa,pb,pc);
  35
  36   return 0;
  37 }
  38
  39 int main (void)
  40 {
  41   int i;
  42   float a[N];
  43   float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  44   float 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   return 0;
  50 }
  51
  52 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */
  53 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */
  54 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail vect_no_align } } } */