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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [torture/] [pr44806.c] - Rev 298
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/* { dg-do run } */ #include <stdint.h> extern void abort (void); #define N_DEV_BITS_4 5 #define N_INO_BITS_4 (32 - N_DEV_BITS_4 - 2 - 1) #define N_DEV_BITS_8 8 #define N_INO_BITS_8 (64 - N_DEV_BITS_8 - 2 - 1) struct dev_ino_4 { uint32_t mode:2; uint32_t short_ino:N_INO_BITS_4; uint32_t mapped_dev:N_DEV_BITS_4; uint32_t always_set:1; }; struct dev_ino_8 { uint32_t mode:2; uint64_t short_ino:N_INO_BITS_8; uint32_t mapped_dev:N_DEV_BITS_8; uint32_t always_set:1; }; struct dev_ino_full { uint32_t mode:2; uint32_t dev; uint32_t ino; }; enum di_mode { DI_MODE_4 = 1, DI_MODE_8 = 2, DI_MODE_FULL = 3 }; struct di_ent { union { struct dev_ino_4 di4; struct dev_ino_8 di8; struct dev_ino_full full; uint32_t u32; uint64_t u64; void *ptr; } u; }; static struct di_ent decode_ptr (struct di_ent const *v) { struct di_ent di; di.u.ptr = (void *) v; return di; } static int di_ent_equal (void const *x, void const *y) { struct di_ent a = decode_ptr (x); struct di_ent b = decode_ptr (y); if (a.u.di4.mode != b.u.di4.mode) return 0; if (a.u.di4.mode == DI_MODE_4) return (a.u.di4.short_ino == b.u.di4.short_ino && a.u.di4.mapped_dev == b.u.di4.mapped_dev); if (a.u.di8.mode == DI_MODE_8) return (a.u.di8.short_ino == b.u.di8.short_ino && a.u.di8.mapped_dev == b.u.di8.mapped_dev); return (a.u.full.ino == b.u.full.ino && a.u.full.dev == b.u.full.dev); } int main () { if (di_ent_equal ((void *) 0x80143c4d, (void *) 0x80173851) != 0) abort (); return 0; }
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