| /* Test arithmetics on bitfields. */ |
| /* { dg-require-effective-target int32plus } */ |
| |
| 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 (); \ |
| } |
| |
| #define pck __attribute__((packed)) |
| struct pck A { unsigned short i : 1, l : 1, j : 3, k : 11; }; T(A) |
| struct pck B { unsigned short i : 4, j : 1, k : 11; unsigned int l; }; T(B) |
| struct pck C { unsigned int l; unsigned short i : 4, j : 1, k : 11; }; T(C) |
| struct pck D { unsigned long long l : 6, i : 6, j : 23, k : 29; }; T(D) |
| struct pck E { unsigned long long l, i : 12, j : 23, k : 29; }; T(E) |
| struct pck F { unsigned long long i : 12, j : 23, k : 29, l; }; T(F) |
| struct pck G { unsigned short i : 1, j : 1, k : 6; unsigned long long l; }; T(G) |
| struct pck H { unsigned short i : 6, j : 2, k : 8; unsigned long long l; }; T(H) |
| struct pck I { unsigned short i : 1, j : 6, k : 1; unsigned long long l; }; T(I) |
| struct pck J { unsigned short i : 1, j : 8, k : 7; unsigned short l; }; T(J) |
| struct pck K { unsigned int k : 6, l : 1, j : 10, i : 15; }; T(K) |
| struct pck L { unsigned int k : 6, j : 11, i : 15; unsigned int l; }; T(L) |
| struct pck M { unsigned int l; unsigned short k : 6, j : 11, i : 15; }; T(M) |
| struct pck N { unsigned long long l : 6, k : 6, j : 23, i : 29; }; T(N) |
| struct pck O { unsigned long long l, k : 12, j : 23, i : 29; }; T(O) |
| struct pck P { unsigned long long k : 12, j : 23, i : 29, l; }; T(P) |
| struct pck Q { unsigned short k : 12, j : 1, i : 3; unsigned long long l; }; T(Q) |
| struct pck R { unsigned short k : 2, j : 11, i : 3; unsigned long long l; }; T(R) |
| struct pck S { unsigned short k : 1, j : 6, i : 9; unsigned long long l; }; T(S) |
| struct pck T { unsigned short k : 1, j : 8, i : 7; unsigned short l; }; T(T) |
| struct pck U { unsigned short j : 6, k : 1, i : 9; unsigned long long l; }; T(U) |
| struct pck V { unsigned short j : 8, k : 1, i : 7; unsigned short l; }; T(V) |
| struct pck W { long double l; unsigned int k : 12, j : 13, i : 7; }; T(W) |
| struct pck X { unsigned int k : 12, j : 13, i : 7; long double l; }; T(X) |
| struct pck Y { unsigned int k : 12, j : 11, i : 9; long double l; }; T(Y) |
| struct pck 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); |
| } |