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| author | Alon Zakai <alonzakai@gmail.com> | 2013-11-22 15:54:08 -0800 |
|---|---|---|
| committer | Alon Zakai <alonzakai@gmail.com> | 2013-11-22 15:54:08 -0800 |
| commit | 2f231412e31b8a79f3378d1b8331130634e78d0c (patch) | |
| tree | 12204a6ff77ea62ef67d48b8c1051667fdf3adf0 /lib/Target/CppBackend/CPPBackend.cpp | |
| parent | 52d85bf3381566f834cd0c81b003c5743f1bb652 (diff) | |
Math.imul
Diffstat (limited to 'lib/Target/CppBackend/CPPBackend.cpp')
| -rw-r--r-- | lib/Target/CppBackend/CPPBackend.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp index 06ab671cee..5972a4383f 100644 --- a/lib/Target/CppBackend/CPPBackend.cpp +++ b/lib/Target/CppBackend/CPPBackend.cpp @@ -194,6 +194,7 @@ namespace { std::string getCast(const StringRef &, const Type *); std::string getParenCast(const StringRef &, const Type *); std::string getDoubleToInt(const StringRef &); + std::string getIMul(const Value *, const Value *); void printConstant(const Constant *CPV); void printConstants(const Module* M); @@ -810,6 +811,11 @@ std::string CppWriter::getDoubleToInt(const StringRef &s) { return ("~~(" + s + ")").str(); } +std::string CppWriter::getIMul(const Value *V1, const Value *V2) { + // TODO: if small enough, emit direct multiply + return "Math_imul(" + getValueAsStr(V1) + ", " + getValueAsStr(V2) + ")"; +} + // printConstant - Print out a constant pool entry... void CppWriter::printConstant(const Constant *CV) { // First, if the constant is actually a GlobalValue (variable or function) @@ -1299,7 +1305,7 @@ std::string CppWriter::generateInstruction(const Instruction *I) { switch (I->getOpcode()) { case Instruction::Add: text += getParenCast(getValueAsParenStr(I->getOperand(0)) + " + " + getValueAsParenStr(I->getOperand(1)), I->getType()) + ";"; break; case Instruction::Sub: text += getParenCast(getValueAsParenStr(I->getOperand(0)) + " - " + getValueAsParenStr(I->getOperand(1)), I->getType()) + ";"; break; - case Instruction::Mul: text += getParenCast(getValueAsParenStr(I->getOperand(0)) + " * " + getValueAsParenStr(I->getOperand(1)), I->getType()) + ";"; break; + case Instruction::Mul: text += getIMul(I->getOperand(0), I->getOperand(1)) + ";"; break; case Instruction::SRem: text += getDoubleToInt(getValueAsParenStr(I->getOperand(0)) + " % " + getValueAsParenStr(I->getOperand(1))) + ";"; break; case Instruction::SDiv: text += getDoubleToInt(getValueAsParenStr(I->getOperand(0)) + " / " + getValueAsParenStr(I->getOperand(1))) + ";"; break; case Instruction::FMul: text += getParenCast(getValueAsStr(I->getOperand(0)) + " * " + getValueAsStr(I->getOperand(1)), I->getType()) + ";"; break; // TODO: not cast, but ensurefloat here |