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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [ieee/] [pr30704.c] - Rev 825
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/* PR middle-end/30704 */ typedef __SIZE_TYPE__ size_t; extern void abort (void); extern int memcmp (const void *, const void *, size_t); extern void *memcpy (void *, const void *, size_t); long long __attribute__((noinline)) f1 (void) { long long t; double d = 0x0.fffffffffffff000p-1022; memcpy (&t, &d, sizeof (long long)); return t; } double __attribute__((noinline)) f2 (void) { long long t = 0x000fedcba9876543LL; double d; memcpy (&d, &t, sizeof (long long)); return d; } int main () { union { long long ll; double d; } u; if (sizeof (long long) != sizeof (double) || __DBL_MIN_EXP__ != -1021) return 0; u.ll = f1 (); if (u.d != 0x0.fffffffffffff000p-1022) abort (); u.d = f2 (); if (u.ll != 0x000fedcba9876543LL) abort (); double b = 234.0; long long c; double d = b; memcpy (&c, &b, sizeof (double)); long long e = c; if (memcmp (&e, &d, sizeof (double)) != 0) abort (); return 0; }
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