gcc/testsuite/gcc.c-torture/execute/921202-1.c

   1 /* { dg-require-effective-target untyped_assembly } */
   2 /* { dg-add-options stack_size } */
   3
   4 #ifndef STACK_SIZE
   5 #define VLEN    2055
   6 #else
   7 #define VLEN ((STACK_SIZE/16) - 1)
   8 #endif
   9 main ()
  10 {
  11   long dx[VLEN+1];
  12   long dy[VLEN+1];
  13   long s1[VLEN];
  14   int cyx, cyy;
  15   int i;
  16   long size;
  17
  18   for (;;)
  19     {
  20       size = VLEN;
  21       mpn_random2 (s1, size);
  22
  23       for (i = 0; i < 1; i++)
  24         ;
  25
  26       dy[size] = 0x12345678;
  27
  28       for (i = 0; i < 1; i++)
  29         cyy = mpn_mul_1 (dy, s1, size);
  30
  31       if (cyx != cyy || mpn_cmp (dx, dy, size + 1) != 0 || dx[size] != 0x12345678)
  32         {
  33           foo ("", 8, cyy); mpn_print (dy, size);
  34         }
  35       exxit();
  36     }
  37 }
  38
  39 foo (){}
  40 mpn_mul_1(){}
  41 mpn_print (){}
  42 mpn_random2(){}
  43 mpn_cmp(){}
  44 exxit(){exit(0);}