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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.c-torture/] [execute/] [20040709-1.c] - Rev 378
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/* Test arithmetics on bitfields. */ extern void abort (void); extern void exit (int); unsigned int myrnd (void) { static unsigned int s = 1388815473; s *= 1103515245; s += 12345; return (s / 65536) % 2048; } #define T(S) \ struct S s##S; \ struct S retme##S (struct S x) \ { \ return x; \ } \ \ unsigned int fn1##S (unsigned int x) \ { \ struct S y = s##S; \ y.k += x; \ y = retme##S (y); \ return y.k; \ } \ \ unsigned int fn2##S (unsigned int x) \ { \ struct S y = s##S; \ y.k += x; \ y.k %= 15; \ return y.k; \ } \ \ unsigned int retit##S (void) \ { \ return s##S.k; \ } \ \ unsigned int fn3##S (unsigned int x) \ { \ s##S.k += x; \ return retit##S (); \ } \ \ void test##S (void) \ { \ int i; \ unsigned int mask, v, a, r; \ struct S x; \ char *p = (char *) &s##S; \ for (i = 0; i < sizeof (s##S); ++i) \ *p++ = myrnd (); \ if (__builtin_classify_type (s##S.l) == 8) \ s##S.l = 5.25; \ s##S.k = -1; \ mask = s##S.k; \ v = myrnd (); \ a = myrnd (); \ s##S.k = v; \ x = s##S; \ r = fn1##S (a); \ if (x.i != s##S.i || x.j != s##S.j \ || x.k != s##S.k || x.l != s##S.l \ || ((v + a) & mask) != r) \ abort (); \ v = myrnd (); \ a = myrnd (); \ s##S.k = v; \ x = s##S; \ r = fn2##S (a); \ if (x.i != s##S.i || x.j != s##S.j \ || x.k != s##S.k || x.l != s##S.l \ || ((((v + a) & mask) % 15) & mask) != r) \ abort (); \ v = myrnd (); \ a = myrnd (); \ s##S.k = v; \ x = s##S; \ r = fn3##S (a); \ if (x.i != s##S.i || x.j != s##S.j \ || s##S.k != r || x.l != s##S.l \ || ((v + a) & mask) != r) \ abort (); \ } struct A { unsigned int i : 6, l : 1, j : 10, k : 15; }; T(A) struct B { unsigned int i : 6, j : 11, k : 15; unsigned int l; }; T(B) struct C { unsigned int l; unsigned int i : 6, j : 11, k : 15; }; T(C) struct D { unsigned long long l : 6, i : 6, j : 23, k : 29; }; T(D) struct E { unsigned long long l, i : 12, j : 23, k : 29; }; T(E) struct F { unsigned long long i : 12, j : 23, k : 29, l; }; T(F) struct G { unsigned int i : 12, j : 13, k : 7; unsigned long long l; }; T(G) struct H { unsigned int i : 12, j : 11, k : 9; unsigned long long l; }; T(H) struct I { unsigned short i : 1, j : 6, k : 9; unsigned long long l; }; T(I) struct J { unsigned short i : 1, j : 8, k : 7; unsigned short l; }; T(J) struct K { unsigned int k : 6, l : 1, j : 10, i : 15; }; T(K) struct L { unsigned int k : 6, j : 11, i : 15; unsigned int l; }; T(L) struct M { unsigned int l; unsigned int k : 6, j : 11, i : 15; }; T(M) struct N { unsigned long long l : 6, k : 6, j : 23, i : 29; }; T(N) struct O { unsigned long long l, k : 12, j : 23, i : 29; }; T(O) struct P { unsigned long long k : 12, j : 23, i : 29, l; }; T(P) struct Q { unsigned int k : 12, j : 13, i : 7; unsigned long long l; }; T(Q) struct R { unsigned int k : 12, j : 11, i : 9; unsigned long long l; }; T(R) struct S { unsigned short k : 1, j : 6, i : 9; unsigned long long l; }; T(S) struct T { unsigned short k : 1, j : 8, i : 7; unsigned short l; }; T(T) struct U { unsigned short j : 6, k : 1, i : 9; unsigned long long l; }; T(U) struct V { unsigned short j : 8, k : 1, i : 7; unsigned short l; }; T(V) struct W { long double l; unsigned int k : 12, j : 13, i : 7; }; T(W) struct X { unsigned int k : 12, j : 13, i : 7; long double l; }; T(X) struct Y { unsigned int k : 12, j : 11, i : 9; long double l; }; T(Y) struct Z { long double l; unsigned int j : 13, i : 7, k : 12; }; T(Z) int main (void) { testA (); testB (); testC (); testD (); testE (); testF (); testG (); testH (); testI (); testJ (); testK (); testL (); testM (); testN (); testO (); testP (); testQ (); testR (); testS (); testT (); testU (); testV (); testW (); testX (); testY (); testZ (); exit (0); }
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