gcc/testsuite/gcc.dg/vect/vect-54.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/2; i++)
  16     {
  17       if (pa[i+1] != (pb[i+1] * pc[i+1]))
  18         abort ();
  19     }
  20
  21   return;
  22 }
  23
  24
  25 int
  26 main1 (afloat * __restrict__ pa, afloat * __restrict__ pb, afloat * __restrict__ pc)
  27 {
  28   int i;
  29
  30   for (i = 0; i < N/2; i++)
  31     {
  32       pa[i+1] = pb[i+1] * pc[i+1];
  33     }
  34
  35   bar (pa,pb,pc);
  36
  37   return 0;
  38 }
  39
  40 int main (void)
  41 {
  42   int i;
  43   afloat a[N];
  44   afloat b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  45   afloat c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  46
  47   check_vect ();
  48
  49   main1 (a,b,c);
  50   return 0;
  51 }
  52
  53 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail vect_no_align } } } */
  54 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */
  55 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail vect_no_align } } } */