gcc/testsuite/gcc.c-torture/compile/930621-1.c

   1 /* { dg-add-options stack_size } */
   2
   3 #if defined(STACK_SIZE) && (STACK_SIZE < 65536)
   4 # define BYTEMEM_SIZE 10000L
   5 #endif
   6
   7 #ifndef BYTEMEM_SIZE
   8 # define BYTEMEM_SIZE 45000L
   9 #endif
  10
  11 int bytestart[5000 + 1];
  12 unsigned char modtext[400 + 1];
  13 unsigned char bytemem[2][BYTEMEM_SIZE + 1];
  14
  15 long
  16 modlookup (int l)
  17 {
  18   signed char c;
  19   long j;
  20   long k;
  21   signed char w;
  22   long p;
  23   while (p != 0)
  24     {
  25       while ((k < bytestart[p + 2]) && (j <= l) && (modtext[j] == bytemem[w][k]))
  26         {
  27           k = k + 1;
  28           j = j + 1;
  29         }
  30       if (k == bytestart[p + 2])
  31         if (j > l)
  32           c = 1;
  33         else c = 4;
  34       else if (j > l)
  35         c = 3;
  36       else if (modtext[j] < bytemem[w][k])
  37         c = 0;
  38       else c = 2;
  39     }
  40 }