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 #include <stdio.h>
   6
   7 #define N 64
   8
   9 #define DOT1 43680
  10 #define DOT2 -20832
  11
  12 signed short X[N] __attribute__ ((__aligned__(16)));
  13 signed short Y[N] __attribute__ ((__aligned__(16)));
  14 unsigned char CX[N] __attribute__ ((__aligned__(16)));
  15
  16 __attribute__ ((noinline)) void
  17 foo1(int len) {
  18   int i;
  19   int result1 = 0;
  20   short prod;
  21
  22   for (i=0; i<len; i++) {
  23     result1 += (X[i] * Y[i]);
  24     CX[i] = 5;
  25   }
  26
  27   if (result1 != DOT1)
  28     abort ();
  29 }
  30
  31
  32 int main (void)
  33 {
  34   int i, dot1, dot2;
  35
  36   check_vect ();
  37
  38   for (i=0; i<N; i++) {
  39     X[i] = i;
  40     Y[i] = 64-i;
  41     CX[i] = i;
  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 /* { dg-final { cleanup-tree-dump "vect" } } */
  51