gcc/testsuite/gcc.target/sparc/ultrasp8.c

   1 /* PR target/10067 */
   2 /* Originator: <dat94ali@ludat.lth.se> */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O2 -mtune=supersparc" } */
   6
   7 struct _reent;
   8
   9 extern unsigned long __malloc_trim_threshold;
  10 extern unsigned long __malloc_top_pad;
  11
  12 void __malloc_lock (void *);
  13 void __malloc_unlock (void *);
  14
  15 int _mallopt_r(struct _reent *reent_ptr, int param_number, int value)
  16 {
  17   __malloc_lock(reent_ptr);
  18
  19   switch(param_number)
  20   {
  21     case -1:
  22       __malloc_trim_threshold = value;
  23       __malloc_unlock(reent_ptr);
  24       return 1;
  25
  26     case -2:
  27       __malloc_top_pad = value;
  28       __malloc_unlock(reent_ptr);
  29       return 1;
  30
  31     case -3:
  32       __malloc_unlock(reent_ptr);
  33       return 1;
  34
  35     case -4:
  36       __malloc_unlock(reent_ptr);
  37       return value == 0;
  38
  39     default:
  40       __malloc_unlock(reent_ptr);
  41       return 0;
  42   }
  43 }