Viewing file:  20041011-1.c (1.27 KB) -rw-r--r--
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typedef unsigned long long ull;
volatile int gvol[32];
ull gull;
#define MULTI(X) \
X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), X(10), \
X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19), X(20), \
X(21), X(22), X(23), X(24), X(25), X(26), X(27), X(28), X(29), X(30)
#define DECLARE(INDEX) x##INDEX
#define COPYIN(INDEX) x##INDEX = gvol[INDEX]
#define COPYOUT(INDEX) gvol[INDEX] = x##INDEX
#define BUILD_TEST(NAME, N) \
ull __attribute__((noinline)) \
NAME (int n, ull x) \
{ \
while (n--) \
{ \
int MULTI (DECLARE); \
MULTI (COPYIN); \
MULTI (COPYOUT); \
x += N; \
} \
return x; \
}
#define RUN_TEST(NAME, N) \
if (NAME (3, ~0ULL) != N * 3 - 1) \
abort (); \
if (NAME (3, 0xffffffffULL) \
!= N * 3 + 0xffffffffULL) \
abort ();
#define DO_TESTS(DO_TEST) \
DO_TEST (t1, -2048) \
DO_TEST (t2, -513) \
DO_TEST (t3, -512) \
DO_TEST (t4, -511) \
DO_TEST (t5, -1) \
DO_TEST (t6, 1) \
DO_TEST (t7, 511) \
DO_TEST (t8, 512) \
DO_TEST (t9, 513) \
DO_TEST (t10, gull) \
DO_TEST (t11, -gull)
DO_TESTS (BUILD_TEST)
ull neg (ull x) { return -x; }
int
main ()
{
gull = 100;
DO_TESTS (RUN_TEST)
if (neg (gull) != -100ULL)
abort ();
exit (0);
}
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