diff options
Diffstat (limited to 'examples/synthetic/bitfield/program.cpp')
-rw-r--r-- | examples/synthetic/bitfield/program.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/examples/synthetic/bitfield/program.cpp b/examples/synthetic/bitfield/program.cpp new file mode 100644 index 0000000000000..5276824a2fb42 --- /dev/null +++ b/examples/synthetic/bitfield/program.cpp @@ -0,0 +1,74 @@ +typedef unsigned int uint32_t; + +enum MaskingOperator +{ + eMaskingOperatorDefault = 0, + eMaskingOperatorAnd = 1, + eMaskingOperatorOr = 2, + eMaskingOperatorXor = 3, + eMaskingOperatorNand = 4, + eMaskingOperatorNor = 5 +}; + +class MaskedData +{ +private: + uint32_t value; + uint32_t mask; + MaskingOperator oper; +public: + MaskedData( uint32_t V = 0, + uint32_t M = 0, + MaskingOperator P = eMaskingOperatorDefault) : + value(V), + mask(M), + oper(P) + { + } + + uint32_t apply() + { + switch(oper) + { + case eMaskingOperatorAnd: + return value & mask; + case eMaskingOperatorOr: + return value | mask; + case eMaskingOperatorXor: + return value ^ mask; + case eMaskingOperatorNand: + return ~(value & mask); + case eMaskingOperatorNor: + return ~(value | mask); + case eMaskingOperatorDefault: // fall through + default: + return value; + } + } + + void setValue(uint32_t V) + { + value = V; + } + + void setMask (uint32_t M) + { + mask = M; + } + + void setOperator(MaskingOperator P) + { + oper = P; + } +}; + +int main() +{ + MaskedData data_1(0xFF0F,0xA01F,eMaskingOperatorAnd); + MaskedData data_2(data_1.apply(),0x1AFC,eMaskingOperatorXor); + MaskedData data_3(data_2.apply(),0xFFCF,eMaskingOperatorOr); + MaskedData data_4(data_3.apply(),0xAABC,eMaskingOperatorAnd); + MaskedData data_5(data_4.apply(),0xFFAC,eMaskingOperatorNor); + MaskedData data_6(data_5.apply(),0x0000BEEF,eMaskingOperatorAnd); + return data_6.apply(); // <-- what comes out of here? +}
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