gcc/testsuite/gcc.target/i386/pr46085-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic -ffast-math" } */
   4
   5 #include "avx-check.h"
   6
   7 #define N 16
   8 #define DIFF 242
   9
  10 double b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  11 double c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  12
  13 void
  14 main1 (double x, double max_result)
  15 {
  16   int i;
  17   double diff = 2;
  18   double max = x;
  19   double min = 10;
  20
  21   for (i = 0; i < N; i++) {
  22     diff += (b[i] - c[i]);
  23   }
  24
  25   for (i = 0; i < N; i++) {
  26     max = max < c[i] ? c[i] : max;
  27   }
  28
  29   for (i = 0; i < N; i++) {
  30     min = min > c[i] ? c[i] : min;
  31   }
  32
  33   /* check results:  */
  34   if (diff != DIFF)
  35     abort ();
  36   if (max != max_result)
  37     abort ();
  38   if (min != 0)
  39     abort ();
  40 }
  41
  42 static void
  43 avx_test (void)
  44 {
  45   main1 (100, 100);
  46   main1 (0, 15);
  47 }