sdcc/support/regression/tests/gcc-torture-execute-20100430-1.c

   1 /*
   2 20100430-1.c from the execute part of the gcc torture tests.
   3 */
   4
   5 #include <testfwk.h>
   6
   7 /* This used to generate unaligned accesses at -O2 because of IVOPTS.  */
   8
   9 #if !(defined(__SDCC_mcs51) && (defined(__SDCC_MODEL_SMALL) || defined(__SDCC_MODEL_MEDIUM) || defined(__SDCC_STACK_AUTO))) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) && !defined(__SDCC_pic14) // Lack of memory
  10 struct packed_struct
  11 {
  12   struct packed_struct1
  13   {
  14     unsigned char cc11;
  15     unsigned char cc12;
  16   } pst1;
  17   struct packed_struct2
  18   {
  19     unsigned char cc21;
  20     unsigned char cc22;
  21     unsigned short ss[104];
  22     unsigned char cc23[13];
  23   } pst2[4];
  24 };
  25
  26 typedef struct
  27 {
  28   int ii;
  29   struct packed_struct buf;
  30 } info_t;
  31
  32 static unsigned short g;
  33
  34 static void
  35 dummy (unsigned short s)
  36 {
  37   g = s;
  38 }
  39
  40 static int
  41 foo (info_t *info)
  42 {
  43   int i, j;
  44
  45   for (i = 0; i < info->buf.pst1.cc11; i++)
  46     for (j = 0; j < info->buf.pst2[i].cc22; j++)
  47       dummy (info->buf.pst2[i].ss[j]);
  48
  49   return 0;
  50 }
  51
  52 int
  53 wrapper (void)
  54 {
  55   info_t info;
  56   info.buf.pst1.cc11 = 2;
  57   info.buf.pst2[0].cc22 = info.buf.pst2[1].cc22 = 8;
  58   return foo (&info);
  59 }
  60 #endif
  61
  62 void
  63 testTortureExecute (void)
  64 {
  65 #if !(defined(__SDCC_mcs51) && (defined(__SDCC_MODEL_SMALL) || defined(__SDCC_MODEL_MEDIUM) || defined(__SDCC_STACK_AUTO))) && !defined(__SDCC_pdk14) && !defined(__SDCC_pdk15) && !defined(__SDCC_pic14) // Lack of memory
  66   wrapper();
  67 #endif
  68 }
  69