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

   1 /*
   2 floatunsisf-1.c from the execute part of the gcc torture tests.
   3 */
   4
   5 #include <testfwk.h>
   6
   7 /* The fp-bit.c function __floatunsisf had a latent bug where guard bits
   8    could be lost leading to incorrect rounding.  */
   9 /* Origin: Joseph Myers <joseph@codesourcery.com> */
  10
  11 #if __INT_MAX__ >= 0x7fffffff
  12 volatile unsigned u = 0x80000081;
  13 #else
  14 volatile unsigned long u = 0x80000081;
  15 #endif
  16 volatile float f1, f2;
  17 void
  18 testTortureExecute (void)
  19 {
  20 #ifndef __SDCC_pdk14
  21   f1 = (float) u;
  22   f2 = (float) 0x80000081;
  23   if (f1 != f2)
  24     ASSERT (0);
  25   return;
  26 #endif
  27 }