+++ /dev/null
-/* Test for builtin abs, labs, llabs, imaxabs. */
-/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
-
-/* These next definitions are kludges. When GCC has a <stdint.h> it
- should be used.
-*/
-#include <limits.h>
-#if INT_MAX == __LONG_LONG_MAX__
-typedef int intmax_t;
-#define INTMAX_MAX INT_MAX
-#elif LONG_MAX == __LONG_LONG_MAX__
-typedef long intmax_t;
-#define INTMAX_MAX LONG_MAX
-#else
-typedef long long intmax_t;
-#define INTMAX_MAX __LONG_LONG_MAX__
-#endif
-
-extern int abs (int);
-extern long labs (long);
-extern long long llabs (long long);
-extern intmax_t imaxabs (intmax_t);
-extern void abort (void);
-extern void exit (int);
-
-extern void link_failure (void);
-
-int
-main (void)
-{
- /* For each type, test both runtime and compile time (constant folding)
- optimization. */
- volatile int i0 = 0, i1 = 1, im1 = -1, imin = -INT_MAX, imax = INT_MAX;
- volatile long l0 = 0L, l1 = 1L, lm1 = -1L, lmin = -LONG_MAX, lmax = LONG_MAX;
- volatile long long ll0 = 0LL, ll1 = 1LL, llm1 = -1LL;
- volatile long long llmin = -__LONG_LONG_MAX__, llmax = __LONG_LONG_MAX__;
- volatile intmax_t imax0 = 0, imax1 = 1, imaxm1 = -1;
- volatile intmax_t imaxmin = -INTMAX_MAX, imaxmax = INTMAX_MAX;
- if (abs (i0) != 0)
- abort ();
- if (abs (0) != 0)
- link_failure ();
- if (abs (i1) != 1)
- abort ();
- if (abs (1) != 1)
- link_failure ();
- if (abs (im1) != 1)
- abort ();
- if (abs (-1) != 1)
- link_failure ();
- if (abs (imin) != INT_MAX)
- abort ();
- if (abs (-INT_MAX) != INT_MAX)
- link_failure ();
- if (abs (imax) != INT_MAX)
- abort ();
- if (abs (INT_MAX) != INT_MAX)
- link_failure ();
- if (labs (l0) != 0L)
- abort ();
- if (labs (0L) != 0L)
- link_failure ();
- if (labs (l1) != 1L)
- abort ();
- if (labs (1L) != 1L)
- link_failure ();
- if (labs (lm1) != 1L)
- abort ();
- if (labs (-1L) != 1L)
- link_failure ();
- if (labs (lmin) != LONG_MAX)
- abort ();
- if (labs (-LONG_MAX) != LONG_MAX)
- link_failure ();
- if (labs (lmax) != LONG_MAX)
- abort ();
- if (labs (LONG_MAX) != LONG_MAX)
- link_failure ();
- if (llabs (ll0) != 0LL)
- abort ();
- if (llabs (0LL) != 0LL)
- link_failure ();
- if (llabs (ll1) != 1LL)
- abort ();
- if (llabs (1LL) != 1LL)
- link_failure ();
- if (llabs (llm1) != 1LL)
- abort ();
- if (llabs (-1LL) != 1LL)
- link_failure ();
- if (llabs (llmin) != __LONG_LONG_MAX__)
- abort ();
- if (llabs (-__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
- link_failure ();
- if (llabs (llmax) != __LONG_LONG_MAX__)
- abort ();
- if (llabs (__LONG_LONG_MAX__) != __LONG_LONG_MAX__)
- link_failure ();
- if (imaxabs (imax0) != 0)
- abort ();
- if (imaxabs (0) != 0)
- link_failure ();
- if (imaxabs (imax1) != 1)
- abort ();
- if (imaxabs (1) != 1)
- link_failure ();
- if (imaxabs (imaxm1) != 1)
- abort ();
- if (imaxabs (-1) != 1)
- link_failure ();
- if (imaxabs (imaxmin) != INTMAX_MAX)
- abort ();
- if (imaxabs (-INTMAX_MAX) != INTMAX_MAX)
- link_failure ();
- if (imaxabs (imaxmax) != INTMAX_MAX)
- abort ();
- if (imaxabs (INTMAX_MAX) != INTMAX_MAX)
- link_failure ();
- exit (0);
-}
-
-/* All the above cases should have been optimized to something else,
- even if not optimizing (unless -fno-builtin was specified). So any
- remaining calls to the original functions should abort. */
-
-static int
-abs (int x)
-{
- abort ();
-}
-
-static long
-labs (long x)
-{
- abort ();
-}
-
-static long long
-llabs (long long x)
-{
- abort ();
-}
-
-static intmax_t
-imaxabs (intmax_t x)
-{
- abort ();
-}
-
-/* When optimizing, all the constant cases should have been
- constant folded, so no calls to link_failure should remain. In any case,
- link_failure should not be called. */
-
-#ifndef __OPTIMIZE__
-void
-link_failure (void)
-{
- abort ();
-}
-#endif