gcc/testsuite/gcc.target/i386/pr68956.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -ffast-math -mfpmath=sse -mavx2 -ftree-vectorize" } */
   3 /* { dg-require-effective-target avx2 } */
   4
   5 #include "avx2-check.h"
   6
   7 extern void abort (void);
   8
   9 int l;
  10
  11 static void __attribute__((noclone,noinline))
  12 test1 (double *in1, double *in2, double *out,
  13        int l1, int l2, int *n)
  14 {
  15   double sum;
  16   int na = n[0];
  17   int nb = n[1];
  18   int i;
  19   _Bool ic, jc;
  20
  21   jc = (l > na) && (l > nb);
  22   for (int i = 0; i < l2; i++)
  23     {
  24       ic = (i <= na) && (i <= nb);
  25       sum = 0;
  26       if (ic && jc)
  27         sum = in1[i] + in2[i];
  28       out[i] = sum;
  29     }
  30 }
  31
  32 static void
  33 avx2_test (void)
  34 {
  35   double in1[40], in2[40], out[40], sum;
  36   int n[2],l1,l2,i,na,nb;
  37   _Bool ic, jc;
  38
  39   l = 0;
  40   l1 = 8;
  41   l2 = 40;
  42   n[0] = 14;
  43   n[1] = 13;
  44
  45   for (i = 0; i < l2; i++)
  46     {
  47       in1[i] = i;
  48       in2[i] = i;
  49       out[i] = 0;
  50     }
  51
  52   test1 (in1, in2, out, l1, l2, n);
  53
  54   na = n[0];
  55   nb = n[1];
  56
  57   jc = (l > na) && (l > nb);
  58   for (int i = 0; i < l2; i++)
  59     {
  60       ic = (i <= na) && (i <= nb);
  61       sum = 0;
  62       if (ic && jc)
  63         sum = in1[i] + in2[i];
  64       if (out[i] != sum)
  65         abort ();
  66     }
  67 }