gcc/testsuite/gcc.dg/vect/vect-116.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* Assuming we can vectorize char multiplication, here's an execute test.  */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 extern void abort (void);
   8
   9 __attribute__ ((noinline))
  10 void foo()
  11 {
  12   static unsigned char A[256], B[256], C[256];
  13   int i;
  14
  15   for (i = 0; i < 256; ++i)
  16     A[i] = B[i] = i;
  17
  18   for (i = 0; i < 256; ++i)
  19     C[i] = A[i] * B[i];
  20
  21   for (i = 0; i < 256; ++i)
  22     if (C[i] != (unsigned char)(i * i))
  23       abort ();
  24 }
  25
  26 int main()
  27 {
  28   check_vect ();
  29   foo();
  30   return 0;
  31 }
  32
  33 /* { dg-final { cleanup-tree-dump "vect" } } */