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

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-additional-options "-fdump-tree-optimized-details-blocks" } */
   3 /* Assuming we can vectorize char multiplication, here's an execute test.  */
   4
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 extern void abort (void);
   9
  10 __attribute__ ((noinline))
  11 void foo()
  12 {
  13   static unsigned char A[256], B[256], C[256];
  14   int i;
  15
  16   for (i = 0; i < 256; ++i)
  17     A[i] = B[i] = i;
  18
  19   for (i = 0; i < 256; ++i)
  20     C[i] = A[i] * B[i];
  21
  22 #pragma GCC novector
  23   for (i = 0; i < 256; ++i)
  24     if (C[i] != (unsigned char)(i * i))
  25       abort ();
  26 }
  27
  28 int main()
  29 {
  30   check_vect ();
  31   foo();
  32   return 0;
  33 }
  34
  35 /* { dg-final { scan-tree-dump-not "Invalid sum" "optimized" } } */