2 /* { dg-require-effective-target arm_eabi } */
3 /* { dg-options "" } */
5 /* Check that long long divmod functions pass the right argument to
6 __aeabi_ldiv0 on divide by zero. */
11 extern void abort (void);
14 /* Override div zero handler and simply return the provided value. */
15 long long __aeabi_ldiv0 (long long r
)
20 long long lldiv (long long a
, long long b
)
25 unsigned long long ulldiv (unsigned long long a
, unsigned long long b
)
30 void check (long long num
, long long expected
)
32 long long res
= lldiv (num
, 0LL);
36 printf ("num=%08X:%08X\n", (unsigned)(num
>> 32), (unsigned)num
);
37 printf ("res=%08X:%08X\n", (unsigned)(res
>> 32), (unsigned)res
);
44 void ucheck (unsigned long long num
, unsigned long long expected
)
46 unsigned long long res
= ulldiv (num
, 0ULL);
50 printf ("num=%08X:%08X\n", (unsigned)(num
>> 32), (unsigned)num
);
51 printf ("res=%08X:%08X\n", (unsigned)(res
>> 32), (unsigned)res
);
58 #define POS_BIG 0x7fffffffffffffffLL
59 #define NEG_BIG 0x8000000000000000LL
60 #define UNS_BIG 0xffffffffffffffffULL
66 check (0x000000007fffffffLL
, POS_BIG
);
67 check (0x00000000ffffffffLL
, POS_BIG
);
68 check (0x0000000100000000LL
, POS_BIG
);
69 check (POS_BIG
, POS_BIG
);
70 check (-1LL, NEG_BIG
);
71 check (-0x000000007fffffffLL
, NEG_BIG
);
72 check (-0x00000000ffffffffLL
, NEG_BIG
);
73 check (-0x0000000100000000LL
, NEG_BIG
);
74 check (NEG_BIG
, NEG_BIG
);
77 ucheck (1ULL, UNS_BIG
);
78 ucheck (0x000000007fffffffULL
, UNS_BIG
);
79 ucheck (0x00000000ffffffffULL
, UNS_BIG
);
80 ucheck (0x0000000100000000ULL
, UNS_BIG
);
81 ucheck ((unsigned long long)POS_BIG
, UNS_BIG
);
82 ucheck (UNS_BIG
, UNS_BIG
);