gcc/testsuite/gcc.target/s390/dwarfregtable-2.c

   1 /* Make sure the dwarf reg size table doesn't change for 31 bit zarch.  */
   2
   3 /* { dg-do compile { target { ! lp64 } } } */
   4 /* { dg-options "-mzarch" } */
   5
   6 #define DWARF_FRAME_REGISTERS 34
   7
   8 static unsigned char dwarf_reg_size_table[DWARF_FRAME_REGISTERS + 1];
   9 static unsigned char ref_reg_size_table[DWARF_FRAME_REGISTERS + 1] =
  10   { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
  11     8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 0 };
  12
  13 int
  14 main ()
  15 {
  16   __builtin_init_dwarf_reg_size_table (dwarf_reg_size_table);
  17   if (__builtin_memcmp (ref_reg_size_table,
  18                         dwarf_reg_size_table, DWARF_FRAME_REGISTERS + 1) != 0)
  19     __builtin_abort ();
  20   return 0;
  21 }