gcc/testsuite/gcc.dg/vect/bb-slp-pr90006.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fno-math-errno" } */
   3 /* { dg-additional-options "-march=x86-64" { target x86_64-*-* i?86-*-* } } */
   4
   5 long int lrint(double x);
   6
   7 int a, b;
   8 union c {
   9     int d;
  10 };
  11
  12 int e()
  13 {
  14   int f, g, h;
  15   long i, j, k;
  16   double l, m = b = lrint(0.3127);
  17   a = b >> 16 >> 8 & 255;
  18   ((union c *)e)->d = a;
  19   k = m;
  20   h = k >> 16 >> 8 & 255;
  21   ((union c *)(e + 4))->d = h;
  22   j = lrint(l);
  23   g = j >> 16 >> 8 & 255;
  24   ((union c *)(e + 8))->d = g;
  25   i = lrint(0.292);
  26   f = i >> 16 >> 8 & 255;
  27   ((union c *)(e + 12))->d = f;
  28   return 0;
  29 }
  30
  31 /* { dg-final { scan-tree-dump "basic block vectorized" "slp2" { target { { x86_64-*-* i?86-*-* } && ilp32 } } } } */