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Add carry support to MostSignificantWord

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Tillmann Karras
2016-08-06 21:03:57 +01:00
parent 01aebcb385
commit b9f4f1ed0f
4 changed files with 23 additions and 11 deletions
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6
src/frontend/ir/ir_emitter.cpp
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@@ -127,8 +127,10 @@ IR::Value IREmitter::LeastSignificantWord(const IR::Value& value) {
return Inst(IR::Opcode::LeastSignificantWord, {value});
}
IR::Value IREmitter::MostSignificantWord(const IR::Value& value) {
return Inst(IR::Opcode::MostSignificantWord, {value});
IREmitter::ResultAndCarry IREmitter::MostSignificantWord(const IR::Value& value) {
auto result = Inst(IR::Opcode::MostSignificantWord, {value});
auto carry_out = Inst(IR::Opcode::GetCarryFromOp, {result});
return {result, carry_out};
}
IR::Value IREmitter::LeastSignificantHalf(const IR::Value& value) {