gomp-20050608-branch/gcc/testsuite/gcc.c-torture/execute/builtins/abs-3.c

   1 /* Test for builtin abs, labs, llabs, imaxabs.  Test for __builtin versions. */
   2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
   3
   4 #include <limits.h>
   5 typedef __INTMAX_TYPE__ intmax_t;
   6 #define INTMAX_MAX __INTMAX_MAX__
   7
   8 extern void abort (void);
   9 extern void link_error (void);
  10
  11 void
  12 main_test (void)
  13 {
  14   /* For each type, test both runtime and compile time (constant folding)
  15      optimization.  */
  16   volatile int i0 = 0, i1 = 1, im1 = -1, imin = -INT_MAX, imax = INT_MAX;
  17   volatile long l0 = 0L, l1 = 1L, lm1 = -1L, lmin = -LONG_MAX, lmax = LONG_MAX;
  18   volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL;
  19   volatile long long llmin = -__LONG_LONG_MAX__, llmax = __LONG_LONG_MAX__;
  20   volatile intmax_t imax0 = 0, imax1 = 1, imaxm1 = -1;
  21   volatile intmax_t imaxmin = -INTMAX_MAX, imaxmax = INTMAX_MAX;
  22   if (__builtin_abs (i0) != 0)
  23     abort ();
  24   if (__builtin_abs (0) != 0)
  25     link_error ();
  26   if (__builtin_abs (i1) != 1)
  27     abort ();
  28   if (__builtin_abs (1) != 1)
  29     link_error ();
  30   if (__builtin_abs (im1) != 1)
  31     abort ();
  32   if (__builtin_abs (-1) != 1)
  33     link_error ();
  34   if (__builtin_abs (imin) != INT_MAX)
  35     abort ();
  36   if (__builtin_abs (-INT_MAX) != INT_MAX)
  37     link_error ();
  38   if (__builtin_abs (imax) != INT_MAX)
  39     abort ();
  40   if (__builtin_abs (INT_MAX) != INT_MAX)
  41     link_error ();
  42   if (__builtin_labs (l0) != 0L)
  43     abort ();
  44   if (__builtin_labs (0L) != 0L)
  45     link_error ();
  46   if (__builtin_labs (l1) != 1L)
  47     abort ();
  48   if (__builtin_labs (1L) != 1L)
  49     link_error ();
  50   if (__builtin_labs (lm1) != 1L)
  51     abort ();
  52   if (__builtin_labs (-1L) != 1L)
  53     link_error ();
  54   if (__builtin_labs (lmin) != LONG_MAX)
  55     abort ();
  56   if (__builtin_labs (-LONG_MAX) != LONG_MAX)
  57     link_error ();
  58   if (__builtin_labs (lmax) != LONG_MAX)
  59     abort ();
  60   if (__builtin_labs (LONG_MAX) != LONG_MAX)
  61     link_error ();
  62   if (__builtin_llabs (ll0) != 0LL)
  63     abort ();
  64   if (__builtin_llabs (0LL) != 0LL)
  65     link_error ();
  66   if (__builtin_llabs (ll1) != 1LL)
  67     abort ();
  68   if (__builtin_llabs (1LL) != 1LL)
  69     link_error ();
  70   if (__builtin_llabs (llm1) != 1LL)
  71     abort ();
  72   if (__builtin_llabs (-1LL) != 1LL)
  73     link_error ();
  74   if (__builtin_llabs (llmin) != __LONG_LONG_MAX__)
  75     abort ();
  76   if (__builtin_llabs (-__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
  77     link_error ();
  78   if (__builtin_llabs (llmax) != __LONG_LONG_MAX__)
  79     abort ();
  80   if (__builtin_llabs (__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
  81     link_error ();
  82   if (__builtin_imaxabs (imax0) != 0)
  83     abort ();
  84   if (__builtin_imaxabs (0) != 0)
  85     link_error ();
  86   if (__builtin_imaxabs (imax1) != 1)
  87     abort ();
  88   if (__builtin_imaxabs (1) != 1)
  89     link_error ();
  90   if (__builtin_imaxabs (imaxm1) != 1)
  91     abort ();
  92   if (__builtin_imaxabs (-1) != 1)
  93     link_error ();
  94   if (__builtin_imaxabs (imaxmin) != INTMAX_MAX)
  95     abort ();
  96   if (__builtin_imaxabs (-INTMAX_MAX) != INTMAX_MAX)
  97     link_error ();
  98   if (__builtin_imaxabs (imaxmax) != INTMAX_MAX)
  99     abort ();
 100   if (__builtin_imaxabs (INTMAX_MAX) != INTMAX_MAX)
 101     link_error ();
 102 }