sdcc/support/regression/tests/gcc-torture-execute-20020503-1.c

   1 /*
   2    20020503-1.c from the execute part of the gcc torture suite.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #ifdef __SDCC
   8 #pragma std_c99
   9 #endif
  10
  11 #if !defined(__SDCC_mcs51) && !defined(__SDCC_pdk14) && !defined(__SDCC_pic14) // Lack of memory
  12 /* PR 6534 */
  13 /* GCSE unified the two i<0 tests, but if-conversion to ui=abs(i)
  14    insertted the code at the wrong place corrupting the i<0 test.  */
  15
  16 static char *
  17 inttostr (long i, char buf[128])
  18 {
  19   unsigned long ui = i;
  20   char *p = buf + 127;
  21   *p = '\0';
  22   if (i < 0)
  23     ui = -ui;
  24   do
  25     *--p = '0' + ui % 10;
  26   while ((ui /= 10) != 0);
  27   if (i < 0)
  28     *--p = '-';
  29   return p;
  30 }
  31 #endif
  32
  33 void
  34 testTortureExecute (void)
  35 {
  36 #if !defined(__SDCC_mcs51) && !defined(__SDCC_pdk14) && !defined(__SDCC_pic14) // Lack of memory
  37   char buf[128], *p;
  38
  39   p = inttostr (-1, buf);
  40   if (*p != '-')
  41     ASSERT (0);
  42   return;
  43 #endif
  44 }