gcc/testsuite/gcc.dg/vect/vect-multitypes-15.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 64
   7
   8 #define DOT1 43680
   9 #define DOT2 -20832
  10
  11 signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  12 signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  13 unsigned char CX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  14
  15 __attribute__ ((noinline)) void
  16 foo1(int len) {
  17   int i;
  18   int result1 = 0;
  19
  20   for (i=0; i<len; i++) {
  21     result1 += (X[i] * Y[i]);
  22     CX[i] = 5;
  23   }
  24
  25   if (result1 != DOT1)
  26     abort ();
  27 }
  28
  29
  30 int main (void)
  31 {
  32   int i, dot1, dot2;
  33
  34   check_vect ();
  35
  36   for (i=0; i<N; i++) {
  37     X[i] = i;
  38     Y[i] = 64-i;
  39     CX[i] = i;
  40     __asm__ volatile ("");
  41   }
  42
  43   foo1 (N);
  44
  45   return 0;
  46 }
  47
  48 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_sdot_hi  || vect_unpack } } } } */
  49