gcc/testsuite/gcc.dg/vect/vect-multitypes-7.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 short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  12 signed short 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   short prod;
  20
  21   for (i=0; i<len; i++) {
  22     result1 += (X[i] * Y[i]);
  23     CX[i] = 5;
  24   }
  25
  26   if (result1 != DOT1)
  27     abort ();
  28 }
  29
  30
  31 int main (void)
  32 {
  33   int i, dot1, dot2;
  34
  35   check_vect ();
  36
  37   for (i=0; i<N; i++) {
  38     X[i] = i;
  39     Y[i] = 64-i;
  40     CX[i] = i;
  41     __asm__ volatile ("");
  42   }
  43
  44   foo1 (N);
  45
  46   return 0;
  47 }
  48
  49 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_sdot_hi } } } */
  50