gcc/testsuite/gcc.dg/vect/vect-multitypes-17.c

   1 /* { dg-require-effective-target vect_long_long } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
   9 unsigned char uresultX[N];
  10 unsigned long long uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
  11 unsigned char uresultY[N];
  12
  13 /* Unsigned type demotion (si->qi) */
  14
  15 __attribute__ ((noinline)) int
  16 foo1(int len) {
  17   int i;
  18
  19   for (i=0; i<len; i++) {
  20     uresultX[i] = uX[i];
  21     uresultY[i] = (unsigned char)uY[i];
  22   }
  23 }
  24
  25 int main (void)
  26 {
  27   int i;
  28
  29   check_vect ();
  30
  31   foo1 (N);
  32
  33   for (i=0; i<N; i++) {
  34     if (uresultX[i] != uX[i])
  35       abort ();
  36     if (uresultY[i] != (unsigned char)uY[i])
  37       abort ();
  38   }
  39
  40   return 0;
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_pack_trunc } } } */
  44