gcc/testsuite/gcc.target/mips/wrap-delay.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-g -mframe-header-opt -mbranch-likely" } */
   3
   4 /* GCC was generating an ICE with the above options and -Os because
   5    it was putting the save of $31 in two annulled delay slots but
   6    there was only one restore since only one of the two saves could be
   7    executed.  This was correct code but it confused dwarf2cfi and
   8    caused it to ICE when using the -g option.  */
   9
  10
  11 enum demangle_component_type
  12 {
  13         DEMANGLE_COMPONENT_TRINARY_ARG2,
  14 };
  15 struct demangle_component
  16 {
  17   enum demangle_component_type type;
  18 };
  19 struct d_info
  20 {
  21   int next_comp;
  22   int num_comps;
  23 };
  24 struct demangle_component * d_make_empty (struct d_info *di)
  25 {
  26   if (di->next_comp >= di->num_comps) return ((void *)0);
  27   ++di->next_comp;
  28 }
  29 struct demangle_component *d_make_comp (
  30         struct d_info *di,
  31         enum demangle_component_type type,
  32         struct demangle_component *left)
  33 {
  34   struct demangle_component *p;
  35   switch (type)
  36     {
  37     case DEMANGLE_COMPONENT_TRINARY_ARG2:
  38       if (left == ((void *)0)) return ((void *)0);
  39     }
  40   p = d_make_empty (di);
  41   p->type = type;
  42 }