gcc/testsuite/gcc.dg/vect/vect-4.c

   1 /* { dg-do run { target powerpc*-*-* } } */
   2 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
   3 /* { dg-do run { target mipsisa64*-*-* } } */
   4 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -maltivec" { target powerpc*-*-* } } */
   5 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -msse2" { target i?86-*-* x86_64-*-* } } */
   6 /* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-stats -mpaired-single" { target mipsisa64*-*-* } } */
   7
   8 #include <stdarg.h>
   9 #include "tree-vect.h"
  10
  11 #define N 20
  12
  13 int
  14 main1 ()
  15 {
  16   int i;
  17   float a[N];
  18   float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
  19   float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
  20
  21   for (i = 0; i < N; i++)
  22     {
  23       a[i] = b[i] * c[i];
  24     }
  25
  26   /* check results:  */
  27   for (i = 0; i <N; i++)
  28     {
  29       if (a[i] != b[i] * c[i])
  30         abort ();
  31     }
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   check_vect ();
  39
  40   return main1 ();
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */