sdcc/support/regression/tests/gcc-torture-execute-20181120-1.c

   1 /*
   2    20181120-1.c from the execute part of the gcc torture tests.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 /* PR rtl-optimization/85925 */
   8 /* { dg-require-effective-target int32plus } */
   9 /* Testcase by <sudi@gcc.gnu.org> */
  10
  11 int a, c, d;
  12 volatile int b;
  13 int *e = &d;
  14
  15 union U1 {
  16   unsigned f0;
  17   unsigned f1 : 15;
  18 };
  19 volatile union U1 u = { 0x4030201 };
  20
  21 void
  22 testTortureExecute (void)
  23 {
  24   for (c = 0; c <= 1; c++) {
  25     union U1 f = {0x4030201};
  26     if (c == 1)
  27       b;
  28     *e = f.f1;
  29   }
  30
  31   if (d != u.f1)
  32     ASSERT (0);
  33
  34   return;
  35 }