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#include <limits.h>
#include <assert.h>
 
#if __INT_MAX__ > 2147483647L
# if __INT_MAX__ >= 9223372036854775807L
#  define BITSIZEOF_INT 64
# else
#  define BITSIZEOF_INT 32
# endif
#else
# if __INT_MAX__ >= 2147483647L
#  define BITSIZEOF_INT 32
# else
#  define BITSIZEOF_INT 16
# endif
#endif
 
#if __LONG_MAX__ > 2147483647L
# if __LONG_MAX__ >= 9223372036854775807L
#  define BITSIZEOF_LONG 64
# else
#  define BITSIZEOF_LONG 32
# endif
#else
# define BITSIZEOF_LONG 32
#endif
 
#if __LONG_LONG_MAX__ > 2147483647L
# if __LONG_LONG_MAX__ >= 9223372036854775807L
#  define BITSIZEOF_LONG_LONG 64
# else
#  define BITSIZEOF_LONG_LONG 32
# endif
#else
# define BITSIZEOF_LONG_LONG 32
#endif
 
#define MAKE_FUNS(suffix, type)                                         \
int my_ffs##suffix(type x) {                                            \
    int i;                                                              \
    if (x == 0)                                                          \
         return 0;                                                       \
    for (i = 0; i < CHAR_BIT * sizeof (type); i++)                       \
        if (x & ((type) 1  << i))                                       \
            break;                                                      \
    return i + 1;                                                       \
}                                                                       \
                                                                        \
int my_ctz##suffix(type x) {                                            \
    int i;                                                              \
    for (i = 0; i < CHAR_BIT * sizeof (type); i++)                       \
        if (x & ((type) 1  << i))                                       \
            break;                                                      \
    return i;                                                           \
}                                                                       \
                                                                        \
int my_clz##suffix(type x) {                                            \
    int i;                                                              \
    for (i = 0; i < CHAR_BIT * sizeof (type); i++)                       \
        if (x & ((type) 1 << ((CHAR_BIT * sizeof (type)) - i - 1)))     \
            break;                                                      \
    return i;                                                           \
}                                                                       \
                                                                        \
int my_popcount##suffix(type x) {                                       \
    int i;                                                              \
    int count = 0;                                                       \
    for (i = 0; i < CHAR_BIT * sizeof (type); i++)                       \
        if (x & ((type) 1 << i))                                        \
            count++;                                                    \
    return count;                                                       \
}                                                                       \
                                                                        \
int my_parity##suffix(type x) {                                         \
    int i;                                                              \
    int count = 0;                                                       \
    for (i = 0; i < CHAR_BIT * sizeof (type); i++)                       \
        if (x & ((type) 1 << i))                                        \
            count++;                                                    \
    return count & 1;                                                   \
}
 
MAKE_FUNS (, unsigned);
MAKE_FUNS (l, unsigned long);
MAKE_FUNS (ll, unsigned long long);
 
extern void abort (void);
extern void exit (int);
 
#define NUMS16                                  \
  {                                             \
    0x0000U,                                    \
    0x0001U,                                    \
    0x8000U,                                    \
    0x0002U,                                    \
    0x4000U,                                    \
    0x0100U,                                    \
    0x0080U,                                    \
    0xa5a5U,                                    \
    0x5a5aU,                                    \
    0xcafeU,                                    \
    0xffffU                                     \
  }
 
#define NUMS32                                  \
  {                                             \
    0x00000000UL,                               \
    0x00000001UL,                               \
    0x80000000UL,                               \
    0x00000002UL,                               \
    0x40000000UL,                               \
    0x00010000UL,                               \
    0x00008000UL,                               \
    0xa5a5a5a5UL,                               \
    0x5a5a5a5aUL,                               \
    0xcafe0000UL,                               \
    0x00cafe00UL,                               \
    0x0000cafeUL,                               \
    0xffffffffUL                                \
  }
 
#define NUMS64                                  \
  {                                             \
    0x0000000000000000ULL,                      \
    0x0000000000000001ULL,                      \
    0x8000000000000000ULL,                      \
    0x0000000000000002ULL,                      \
    0x4000000000000000ULL,                      \
    0x0000000100000000ULL,                      \
    0x0000000080000000ULL,                      \
    0xa5a5a5a5a5a5a5a5ULL,                      \
    0x5a5a5a5a5a5a5a5aULL,                      \
    0xcafecafe00000000ULL,                      \
    0x0000cafecafe0000ULL,                      \
    0x00000000cafecafeULL,                      \
    0xffffffffffffffffULL                       \
  }
 
unsigned int ints[] =
#if BITSIZEOF_INT == 64
NUMS64;
#elif BITSIZEOF_INT == 32
NUMS32;
#else
NUMS16;
#endif
 
unsigned long longs[] =
#if BITSIZEOF_LONG == 64
NUMS64;
#else
NUMS32;
#endif
 
unsigned long long longlongs[] =
#if BITSIZEOF_LONG_LONG == 64
NUMS64;
#else
NUMS32;
#endif
 
#define N(table) (sizeof (table) / sizeof (table[0]))
 
int
main (void)
{
  int i;
 
  for (i = 0; i < N(ints); i++)
    {
      if (__builtin_ffs (ints[i]) != my_ffs (ints[i]))
        abort ();
      if (ints[i] != 0
          && __builtin_clz (ints[i]) != my_clz (ints[i]))
        abort ();
      if (ints[i] != 0
          && __builtin_ctz (ints[i]) != my_ctz (ints[i]))
        abort ();
      if (__builtin_popcount (ints[i]) != my_popcount (ints[i]))
        abort ();
      if (__builtin_parity (ints[i]) != my_parity (ints[i]))
        abort ();
    }
 
  for (i = 0; i < N(longs); i++)
    {
      if (__builtin_ffsl (longs[i]) != my_ffsl (longs[i]))
        abort ();
      if (longs[i] != 0
          && __builtin_clzl (longs[i]) != my_clzl (longs[i]))
        abort ();
      if (longs[i] != 0
          && __builtin_ctzl (longs[i]) != my_ctzl (longs[i]))
        abort ();
      if (__builtin_popcountl (longs[i]) != my_popcountl (longs[i]))
        abort ();
      if (__builtin_parityl (longs[i]) != my_parityl (longs[i]))
        abort ();
    }
 
  for (i = 0; i < N(longlongs); i++)
    {
      if (__builtin_ffsll (longlongs[i]) != my_ffsll (longlongs[i]))
        abort ();
      if (longlongs[i] != 0
          && __builtin_clzll (longlongs[i]) != my_clzll (longlongs[i]))
        abort ();
      if (longlongs[i] != 0
          && __builtin_ctzll (longlongs[i]) != my_ctzll (longlongs[i]))
        abort ();
      if (__builtin_popcountll (longlongs[i]) != my_popcountll (longlongs[i]))
        abort ();
      if (__builtin_parityll (longlongs[i]) != my_parityll (longlongs[i]))
        abort ();
    }
 
  /* Test constant folding.  */
 
#define TEST(x, suffix)                                                 \
  if (__builtin_ffs##suffix (x) != my_ffs##suffix (x))                  \
    abort ();                                                           \
  if (x != 0 && __builtin_clz##suffix (x) != my_clz##suffix (x)) \
    abort ();                                                           \
  if (x != 0 && __builtin_ctz##suffix (x) != my_ctz##suffix (x)) \
    abort ();                                                           \
  if (__builtin_popcount##suffix (x) != my_popcount##suffix (x))        \
    abort ();                                                           \
  if (__builtin_parity##suffix (x) != my_parity##suffix (x))            \
    abort ();
 
#if BITSIZEOF_INT == 32
  TEST(0x00000000UL,);
  TEST(0x00000001UL,);
  TEST(0x80000000UL,);
  TEST(0x40000000UL,);
  TEST(0x00010000UL,);
  TEST(0x00008000UL,);
  TEST(0xa5a5a5a5UL,);
  TEST(0x5a5a5a5aUL,);
  TEST(0xcafe0000UL,);
  TEST(0x00cafe00UL,);
  TEST(0x0000cafeUL,);
  TEST(0xffffffffUL,);
#endif
 
#if BITSIZEOF_LONG_LONG == 64
  TEST(0x0000000000000000ULL, ll);
  TEST(0x0000000000000001ULL, ll);
  TEST(0x8000000000000000ULL, ll);
  TEST(0x0000000000000002ULL, ll);
  TEST(0x4000000000000000ULL, ll);
  TEST(0x0000000100000000ULL, ll);
  TEST(0x0000000080000000ULL, ll);
  TEST(0xa5a5a5a5a5a5a5a5ULL, ll);
  TEST(0x5a5a5a5a5a5a5a5aULL, ll);
  TEST(0xcafecafe00000000ULL, ll);
  TEST(0x0000cafecafe0000ULL, ll);
  TEST(0x00000000cafecafeULL, ll);
  TEST(0xffffffffffffffffULL, ll);
#endif
 
  exit (0);
}

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Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [builtin-bitops-1.c] - Blame information for rev 301

Line No.	Rev	Author	Line
1	297	jeremybenn	`#include <limits.h>`
2			`#include <assert.h>`
3
4			`#if __INT_MAX__ > 2147483647L`
5			`# if __INT_MAX__ >= 9223372036854775807L`
6			`# define BITSIZEOF_INT 64`
7			`# else`
8			`# define BITSIZEOF_INT 32`
9			`# endif`
10			`#else`
11			`# if __INT_MAX__ >= 2147483647L`
12			`# define BITSIZEOF_INT 32`
13			`# else`
14			`# define BITSIZEOF_INT 16`
15			`# endif`
16			`#endif`
17
18			`#if __LONG_MAX__ > 2147483647L`
19			`# if __LONG_MAX__ >= 9223372036854775807L`
20			`# define BITSIZEOF_LONG 64`
21			`# else`
22			`# define BITSIZEOF_LONG 32`
23			`# endif`
24			`#else`
25			`# define BITSIZEOF_LONG 32`
26			`#endif`
27
28			`#if __LONG_LONG_MAX__ > 2147483647L`
29			`# if __LONG_LONG_MAX__ >= 9223372036854775807L`
30			`# define BITSIZEOF_LONG_LONG 64`
31			`# else`
32			`# define BITSIZEOF_LONG_LONG 32`
33			`# endif`
34			`#else`
35			`# define BITSIZEOF_LONG_LONG 32`
36			`#endif`
37
38			`#define MAKE_FUNS(suffix, type) \`
39			`int my_ffs##suffix(type x) { \`
40			`int i; \`
41			`if (x == 0) \`
42			`return 0; \`
43			`for (i = 0; i < CHAR_BIT * sizeof (type); i++) \`
44			`if (x & ((type) 1 << i)) \`
45			`break; \`
46			`return i + 1; \`
47			`} \`
48			`\`
49			`int my_ctz##suffix(type x) { \`
50			`int i; \`
51			`for (i = 0; i < CHAR_BIT * sizeof (type); i++) \`
52			`if (x & ((type) 1 << i)) \`
53			`break; \`
54			`return i; \`
55			`} \`
56			`\`
57			`int my_clz##suffix(type x) { \`
58			`int i; \`
59			`for (i = 0; i < CHAR_BIT * sizeof (type); i++) \`
60			`if (x & ((type) 1 << ((CHAR_BIT * sizeof (type)) - i - 1))) \`
61			`break; \`
62			`return i; \`
63			`} \`
64			`\`
65			`int my_popcount##suffix(type x) { \`
66			`int i; \`
67			`int count = 0; \`
68			`for (i = 0; i < CHAR_BIT * sizeof (type); i++) \`
69			`if (x & ((type) 1 << i)) \`
70			`count++; \`
71			`return count; \`
72			`} \`
73			`\`
74			`int my_parity##suffix(type x) { \`
75			`int i; \`
76			`int count = 0; \`
77			`for (i = 0; i < CHAR_BIT * sizeof (type); i++) \`
78			`if (x & ((type) 1 << i)) \`
79			`count++; \`
80			`return count & 1; \`
81			`}`
82
83			`MAKE_FUNS (, unsigned);`
84			`MAKE_FUNS (l, unsigned long);`
85			`MAKE_FUNS (ll, unsigned long long);`
86
87			`extern void abort (void);`
88			`extern void exit (int);`
89
90			`#define NUMS16 \`
91			`{ \`
92			`0x0000U, \`
93			`0x0001U, \`
94			`0x8000U, \`
95			`0x0002U, \`
96			`0x4000U, \`
97			`0x0100U, \`
98			`0x0080U, \`
99			`0xa5a5U, \`
100			`0x5a5aU, \`
101			`0xcafeU, \`
102			`0xffffU \`
103			`}`
104
105			`#define NUMS32 \`
106			`{ \`
107			`0x00000000UL, \`
108			`0x00000001UL, \`
109			`0x80000000UL, \`
110			`0x00000002UL, \`
111			`0x40000000UL, \`
112			`0x00010000UL, \`
113			`0x00008000UL, \`
114			`0xa5a5a5a5UL, \`
115			`0x5a5a5a5aUL, \`
116			`0xcafe0000UL, \`
117			`0x00cafe00UL, \`
118			`0x0000cafeUL, \`
119			`0xffffffffUL \`
120			`}`
121
122			`#define NUMS64 \`
123			`{ \`
124			`0x0000000000000000ULL, \`
125			`0x0000000000000001ULL, \`
126			`0x8000000000000000ULL, \`
127			`0x0000000000000002ULL, \`
128			`0x4000000000000000ULL, \`
129			`0x0000000100000000ULL, \`
130			`0x0000000080000000ULL, \`
131			`0xa5a5a5a5a5a5a5a5ULL, \`
132			`0x5a5a5a5a5a5a5a5aULL, \`
133			`0xcafecafe00000000ULL, \`
134			`0x0000cafecafe0000ULL, \`
135			`0x00000000cafecafeULL, \`
136			`0xffffffffffffffffULL \`
137			`}`
138
139			`unsigned int ints[] =`
140			`#if BITSIZEOF_INT == 64`
141			`NUMS64;`
142			`#elif BITSIZEOF_INT == 32`
143			`NUMS32;`
144			`#else`
145			`NUMS16;`
146			`#endif`
147
148			`unsigned long longs[] =`
149			`#if BITSIZEOF_LONG == 64`
150			`NUMS64;`
151			`#else`
152			`NUMS32;`
153			`#endif`
154
155			`unsigned long long longlongs[] =`
156			`#if BITSIZEOF_LONG_LONG == 64`
157			`NUMS64;`
158			`#else`
159			`NUMS32;`
160			`#endif`
161
162			`#define N(table) (sizeof (table) / sizeof (table[0]))`
163
164			`int`
165			`main (void)`
166			`{`
167			`int i;`
168
169			`for (i = 0; i < N(ints); i++)`
170			`{`
171			`if (__builtin_ffs (ints[i]) != my_ffs (ints[i]))`
172			`abort ();`
173			`if (ints[i] != 0`
174			`&& __builtin_clz (ints[i]) != my_clz (ints[i]))`
175			`abort ();`
176			`if (ints[i] != 0`
177			`&& __builtin_ctz (ints[i]) != my_ctz (ints[i]))`
178			`abort ();`
179			`if (__builtin_popcount (ints[i]) != my_popcount (ints[i]))`
180			`abort ();`
181			`if (__builtin_parity (ints[i]) != my_parity (ints[i]))`
182			`abort ();`
183			`}`
184
185			`for (i = 0; i < N(longs); i++)`
186			`{`
187			`if (__builtin_ffsl (longs[i]) != my_ffsl (longs[i]))`
188			`abort ();`
189			`if (longs[i] != 0`
190			`&& __builtin_clzl (longs[i]) != my_clzl (longs[i]))`
191			`abort ();`
192			`if (longs[i] != 0`
193			`&& __builtin_ctzl (longs[i]) != my_ctzl (longs[i]))`
194			`abort ();`
195			`if (__builtin_popcountl (longs[i]) != my_popcountl (longs[i]))`
196			`abort ();`
197			`if (__builtin_parityl (longs[i]) != my_parityl (longs[i]))`
198			`abort ();`
199			`}`
200
201			`for (i = 0; i < N(longlongs); i++)`
202			`{`
203			`if (__builtin_ffsll (longlongs[i]) != my_ffsll (longlongs[i]))`
204			`abort ();`
205			`if (longlongs[i] != 0`
206			`&& __builtin_clzll (longlongs[i]) != my_clzll (longlongs[i]))`
207			`abort ();`
208			`if (longlongs[i] != 0`
209			`&& __builtin_ctzll (longlongs[i]) != my_ctzll (longlongs[i]))`
210			`abort ();`
211			`if (__builtin_popcountll (longlongs[i]) != my_popcountll (longlongs[i]))`
212			`abort ();`
213			`if (__builtin_parityll (longlongs[i]) != my_parityll (longlongs[i]))`
214			`abort ();`
215			`}`
216
217			`/* Test constant folding. */`
218
219			`#define TEST(x, suffix) \`
220			`if (__builtin_ffs##suffix (x) != my_ffs##suffix (x)) \`
221			`abort (); \`
222			`if (x != 0 && __builtin_clz##suffix (x) != my_clz##suffix (x)) \`
223			`abort (); \`
224			`if (x != 0 && __builtin_ctz##suffix (x) != my_ctz##suffix (x)) \`
225			`abort (); \`
226			`if (__builtin_popcount##suffix (x) != my_popcount##suffix (x)) \`
227			`abort (); \`
228			`if (__builtin_parity##suffix (x) != my_parity##suffix (x)) \`
229			`abort ();`
230
231			`#if BITSIZEOF_INT == 32`
232			`TEST(0x00000000UL,);`
233			`TEST(0x00000001UL,);`
234			`TEST(0x80000000UL,);`
235			`TEST(0x40000000UL,);`
236			`TEST(0x00010000UL,);`
237			`TEST(0x00008000UL,);`
238			`TEST(0xa5a5a5a5UL,);`
239			`TEST(0x5a5a5a5aUL,);`
240			`TEST(0xcafe0000UL,);`
241			`TEST(0x00cafe00UL,);`
242			`TEST(0x0000cafeUL,);`
243			`TEST(0xffffffffUL,);`
244			`#endif`
245
246			`#if BITSIZEOF_LONG_LONG == 64`
247			`TEST(0x0000000000000000ULL, ll);`
248			`TEST(0x0000000000000001ULL, ll);`
249			`TEST(0x8000000000000000ULL, ll);`
250			`TEST(0x0000000000000002ULL, ll);`
251			`TEST(0x4000000000000000ULL, ll);`
252			`TEST(0x0000000100000000ULL, ll);`
253			`TEST(0x0000000080000000ULL, ll);`
254			`TEST(0xa5a5a5a5a5a5a5a5ULL, ll);`
255			`TEST(0x5a5a5a5a5a5a5a5aULL, ll);`
256			`TEST(0xcafecafe00000000ULL, ll);`
257			`TEST(0x0000cafecafe0000ULL, ll);`
258			`TEST(0x00000000cafecafeULL, ll);`
259			`TEST(0xffffffffffffffffULL, ll);`
260			`#endif`
261
262			`exit (0);`
263			`}`