sdcc/support/regression/tests/gcc-torture-execute-20060102-1.c

   1 /*
   2    20060102-1.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 #include <limits.h>
  12
  13 int f(int x)
  14 {
  15   return (x >> (sizeof (x) * CHAR_BIT - 1)) ? -1 : 1;
  16 }
  17
  18 volatile int one = 1;
  19 void testTortureExecute (void)
  20 {
  21   /* Test that the function above returns different values for
  22      different signs.  */
  23   if (f(one) == f(-one))
  24     ASSERT (0);
  25   return;
  26 }
  27