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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [20040709-2.c] - Blame information for rev 801

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Line No. Rev Author Line
1 688 jeremybenn
/* Test arithmetics on bitfields.  */
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extern void abort (void);
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extern void exit (int);
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unsigned int
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myrnd (void)
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{
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  static unsigned int s = 1388815473;
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  s *= 1103515245;
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  s += 12345;
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  return (s / 65536) % 2048;
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}
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#define T(S)                                    \
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struct S s##S;                                  \
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struct S retme##S (struct S x)                  \
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{                                               \
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  return x;                                     \
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}                                               \
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                                                \
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unsigned int fn1##S (unsigned int x)            \
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{                                               \
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  struct S y = s##S;                            \
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  y.k += x;                                     \
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  y = retme##S (y);                             \
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  return y.k;                                   \
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}                                               \
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                                                \
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unsigned int fn2##S (unsigned int x)            \
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{                                               \
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  struct S y = s##S;                            \
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  y.k += x;                                     \
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  y.k %= 15;                                    \
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  return y.k;                                   \
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}                                               \
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                                                \
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unsigned int retit##S (void)                    \
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{                                               \
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  return s##S.k;                                \
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}                                               \
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                                                \
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unsigned int fn3##S (unsigned int x)            \
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{                                               \
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  s##S.k += x;                                  \
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  return retit##S ();                           \
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}                                               \
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                                                \
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void test##S (void)                             \
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{                                               \
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  int i;                                        \
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  unsigned int mask, v, a, r;                   \
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  struct S x;                                   \
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  char *p = (char *) &s##S;                     \
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  for (i = 0; i < sizeof (s##S); ++i)            \
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    *p++ = myrnd ();                            \
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  if (__builtin_classify_type (s##S.l) == 8)    \
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    s##S.l = 5.25;                              \
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  s##S.k = -1;                                  \
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  mask = s##S.k;                                \
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  v = myrnd ();                                 \
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  a = myrnd ();                                 \
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  s##S.k = v;                                   \
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  x = s##S;                                     \
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  r = fn1##S (a);                               \
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  if (x.i != s##S.i || x.j != s##S.j            \
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      || x.k != s##S.k || x.l != s##S.l         \
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      || ((v + a) & mask) != r)                 \
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    abort ();                                   \
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  v = myrnd ();                                 \
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  a = myrnd ();                                 \
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  s##S.k = v;                                   \
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  x = s##S;                                     \
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  r = fn2##S (a);                               \
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  if (x.i != s##S.i || x.j != s##S.j            \
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      || x.k != s##S.k || x.l != s##S.l         \
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      || ((((v + a) & mask) % 15) & mask) != r) \
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    abort ();                                   \
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  v = myrnd ();                                 \
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  a = myrnd ();                                 \
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  s##S.k = v;                                   \
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  x = s##S;                                     \
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  r = fn3##S (a);                               \
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  if (x.i != s##S.i || x.j != s##S.j            \
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      || s##S.k != r || x.l != s##S.l           \
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      || ((v + a) & mask) != r)                 \
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    abort ();                                   \
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}
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#define pck __attribute__((packed))
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struct pck A { unsigned short i : 1, l : 1, j : 3, k : 11; }; T(A)
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struct pck B { unsigned short i : 4, j : 1, k : 11; unsigned int l; }; T(B)
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struct pck C { unsigned int l; unsigned short i : 4, j : 1, k : 11; }; T(C)
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struct pck D { unsigned long long l : 6, i : 6, j : 23, k : 29; }; T(D)
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struct pck E { unsigned long long l, i : 12, j : 23, k : 29; }; T(E)
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struct pck F { unsigned long long i : 12, j : 23, k : 29, l; }; T(F)
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struct pck G { unsigned short i : 1, j : 1, k : 6; unsigned long long l; }; T(G)
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struct pck H { unsigned short i : 6, j : 2, k : 8; unsigned long long l; }; T(H)
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struct pck I { unsigned short i : 1, j : 6, k : 1; unsigned long long l; }; T(I)
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struct pck J { unsigned short i : 1, j : 8, k : 7; unsigned short l; }; T(J)
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struct pck K { unsigned int k : 6, l : 1, j : 10, i : 15; }; T(K)
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struct pck L { unsigned int k : 6, j : 11, i : 15; unsigned int l; }; T(L)
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struct pck M { unsigned int l; unsigned short k : 6, j : 11, i : 15; }; T(M)
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struct pck N { unsigned long long l : 6, k : 6, j : 23, i : 29; }; T(N)
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struct pck O { unsigned long long l, k : 12, j : 23, i : 29; }; T(O)
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struct pck P { unsigned long long k : 12, j : 23, i : 29, l; }; T(P)
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struct pck Q { unsigned short k : 12, j : 1, i : 3; unsigned long long l; }; T(Q)
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struct pck R { unsigned short k : 2, j : 11, i : 3; unsigned long long l; }; T(R)
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struct pck S { unsigned short k : 1, j : 6, i : 9; unsigned long long l; }; T(S)
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struct pck T { unsigned short k : 1, j : 8, i : 7; unsigned short l; }; T(T)
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struct pck U { unsigned short j : 6, k : 1, i : 9; unsigned long long l; }; T(U)
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struct pck V { unsigned short j : 8, k : 1, i : 7; unsigned short l; }; T(V)
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struct pck W { long double l; unsigned int k : 12, j : 13, i : 7; }; T(W)
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struct pck X { unsigned int k : 12, j : 13, i : 7; long double l; }; T(X)
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struct pck Y { unsigned int k : 12, j : 11, i : 9; long double l; }; T(Y)
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struct pck Z { long double l; unsigned int j : 13, i : 7, k : 12; }; T(Z)
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int
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main (void)
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{
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  testA ();
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  testB ();
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  testC ();
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  testD ();
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  testE ();
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  testF ();
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  testG ();
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  testH ();
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  testI ();
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  testJ ();
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  testK ();
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  testL ();
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  testM ();
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  testN ();
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  testO ();
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  testP ();
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  testQ ();
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  testR ();
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  testS ();
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  testT ();
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  testU ();
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  testV ();
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  testW ();
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  testX ();
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  testY ();
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  testZ ();
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  exit (0);
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}

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