/** * Create the ECC field corresponding to a 8-byte data field * * @data: The 8 byte data to generate ECC for. * @return: The 1 byte ECC corresponding to the data. */ static uint8_t eccgenerate(uint64_t data) { int i; uint8_t result = 0; for (i = 0; i < 8; i++) result |= __builtin_parityl(eccmatrix[i] & data) << i; return result; }
char popcount5[__builtin_popcountl(0L) == 0 ? 1 : -1]; char popcount6[__builtin_popcountl(0xF0F0L) == 8 ? 1 : -1]; char popcount7[__builtin_popcountl(~0L) == BITSIZE(long) ? 1 : -1]; char popcount8[__builtin_popcountll(0LL) == 0 ? 1 : -1]; char popcount9[__builtin_popcountll(0xF0F0LL) == 8 ? 1 : -1]; char popcount10[__builtin_popcountll(~0LL) == BITSIZE(long long) ? 1 : -1]; char parity1[__builtin_parity(0) == 0 ? 1 : -1]; char parity2[__builtin_parity(0xb821) == 0 ? 1 : -1]; char parity3[__builtin_parity(0xb822) == 0 ? 1 : -1]; char parity4[__builtin_parity(0xb823) == 1 ? 1 : -1]; char parity5[__builtin_parity(0xb824) == 0 ? 1 : -1]; char parity6[__builtin_parity(0xb825) == 1 ? 1 : -1]; char parity7[__builtin_parity(0xb826) == 1 ? 1 : -1]; char parity8[__builtin_parity(~0) == 0 ? 1 : -1]; char parity9[__builtin_parityl(1L << (BITSIZE(long) - 1)) == 1 ? 1 : -1]; char parity10[__builtin_parityll(1LL << (BITSIZE(long long) - 1)) == 1 ? 1 : -1]; char ffs1[__builtin_ffs(0) == 0 ? 1 : -1]; char ffs2[__builtin_ffs(1) == 1 ? 1 : -1]; char ffs3[__builtin_ffs(0xfbe71) == 1 ? 1 : -1]; char ffs4[__builtin_ffs(0xfbe70) == 5 ? 1 : -1]; char ffs5[__builtin_ffs(1U << (BITSIZE(int) - 1)) == BITSIZE(int) ? 1 : -1]; char ffs6[__builtin_ffsl(0x10L) == 5 ? 1 : -1]; char ffs7[__builtin_ffsll(0x100LL) == 9 ? 1 : -1]; #undef BITSIZE // GCC misc stuff extern int f();