diff --git a/support/tools/TableGen/CodeEmitterGen.cpp b/support/tools/TableGen/CodeEmitterGen.cpp index 0d378871e8c..90474cf4c02 100644 --- a/support/tools/TableGen/CodeEmitterGen.cpp +++ b/support/tools/TableGen/CodeEmitterGen.cpp @@ -18,9 +18,10 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { std::string ClassName = "SparcV9CodeEmitter::"; //const std::string &Namespace = Inst->getValue("Namespace")->getName(); - o << "unsigned " << ClassName + o << "static unsigned " << ClassName << "getBinaryCodeForInstr(MachineInstr &MI) {\n" << " unsigned Value = 0;\n" + << " std::cerr << MI;\n" << " switch (MI.getOpcode()) {\n"; for (std::vector::iterator I = Insts.begin(), E = Insts.end(); I != E; ++I) @@ -38,18 +39,25 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { unsigned Value = 0; const std::vector &Vals = R->getValues(); + o << " // prefilling: "; // Start by filling in fixed values... - for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i) - if (BitInit *B = dynamic_cast(BI->getBit(i))) - Value |= B->getValue() << i; + for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i) { + if (BitInit *B = dynamic_cast(BI->getBit(e-i-1))) { + Value |= B->getValue() << (e-i-1); + o << B->getValue(); + } else { + o << "0"; + } + } + o << "\n\n"; - o << " Value = " << Value << "U;\n"; - o << " // " << *InstVal << "\n"; + o << " // " << *InstVal << "\n\n"; + o << " Value = " << Value << "U;\n\n"; // Loop over all of the fields in the instruction adding in any // contributions to this value (due to bit references). // - unsigned Offset = 31, opNum=0; + unsigned op = 0; std::map OpOrder; for (unsigned i = 0, e = Vals.size(); i != e; ++i) { if (Vals[i].getName() != "Inst" && @@ -58,11 +66,15 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { Vals[i].getName() != "cc" && Vals[i].getName() != "predict") { - o << " // " << opNum << ": " << Vals[i].getName() << "\n"; - OpOrder[Vals[i].getName()] = opNum++; + o << " // op" << op << ": " << Vals[i].getName() << "\n" + << " int64_t op" << op + <<" = getMachineOpValue(MI.getOperand("<= 0; --f) { if (Vals[f].getPrefix()) { BitsInit *FieldInitializer = (BitsInit*)Vals[f].getValue(); @@ -70,7 +82,6 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { // Scan through the field looking for bit initializers of the current // variable... for (int i = FieldInitializer->getNumBits()-1; i >= 0; --i) { - if (BitInit *BI=dynamic_cast(FieldInitializer->getBit(i))){ --Offset; } else if (UnsetInit *UI = @@ -80,26 +91,32 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { dynamic_cast(FieldInitializer->getBit(i))) { TypedInit *TI = VBI->getVariable(); if (VarInit *VI = dynamic_cast(TI)) { - o << " Value |= getValueBit(MI.getOperand(" - << OpOrder[VI->getName()] - << "), " << VBI->getBitNum() + o << " Value |= getValueBit(op" << OpOrder[VI->getName()] + << ", " << VBI->getBitNum() << ")" << " << " << Offset << ";\n"; --Offset; } else if (FieldInit *FI = dynamic_cast(TI)) { // FIXME: implement this! o << "FIELD INIT not implemented yet!\n"; } else { - o << "something else\n"; + o << "Error: UNIMPLEMENTED\n"; } } - } + } + } else { + if (Vals[f].getName() == "annul" || Vals[f].getName() == "cc" || + Vals[f].getName() == "predict") + --Offset; } } o << " break;\n" << " }\n"; } - o << " }\n" + o << " default:\n" + << " std::cerr << \"Not supported instr: \" << MI << \"\\n\";\n" + << " abort();\n" + << " }\n" << " return Value;\n" << "}\n"; } diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp index 0d378871e8c..90474cf4c02 100644 --- a/utils/TableGen/CodeEmitterGen.cpp +++ b/utils/TableGen/CodeEmitterGen.cpp @@ -18,9 +18,10 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { std::string ClassName = "SparcV9CodeEmitter::"; //const std::string &Namespace = Inst->getValue("Namespace")->getName(); - o << "unsigned " << ClassName + o << "static unsigned " << ClassName << "getBinaryCodeForInstr(MachineInstr &MI) {\n" << " unsigned Value = 0;\n" + << " std::cerr << MI;\n" << " switch (MI.getOpcode()) {\n"; for (std::vector::iterator I = Insts.begin(), E = Insts.end(); I != E; ++I) @@ -38,18 +39,25 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { unsigned Value = 0; const std::vector &Vals = R->getValues(); + o << " // prefilling: "; // Start by filling in fixed values... - for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i) - if (BitInit *B = dynamic_cast(BI->getBit(i))) - Value |= B->getValue() << i; + for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i) { + if (BitInit *B = dynamic_cast(BI->getBit(e-i-1))) { + Value |= B->getValue() << (e-i-1); + o << B->getValue(); + } else { + o << "0"; + } + } + o << "\n\n"; - o << " Value = " << Value << "U;\n"; - o << " // " << *InstVal << "\n"; + o << " // " << *InstVal << "\n\n"; + o << " Value = " << Value << "U;\n\n"; // Loop over all of the fields in the instruction adding in any // contributions to this value (due to bit references). // - unsigned Offset = 31, opNum=0; + unsigned op = 0; std::map OpOrder; for (unsigned i = 0, e = Vals.size(); i != e; ++i) { if (Vals[i].getName() != "Inst" && @@ -58,11 +66,15 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { Vals[i].getName() != "cc" && Vals[i].getName() != "predict") { - o << " // " << opNum << ": " << Vals[i].getName() << "\n"; - OpOrder[Vals[i].getName()] = opNum++; + o << " // op" << op << ": " << Vals[i].getName() << "\n" + << " int64_t op" << op + <<" = getMachineOpValue(MI.getOperand("<= 0; --f) { if (Vals[f].getPrefix()) { BitsInit *FieldInitializer = (BitsInit*)Vals[f].getValue(); @@ -70,7 +82,6 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { // Scan through the field looking for bit initializers of the current // variable... for (int i = FieldInitializer->getNumBits()-1; i >= 0; --i) { - if (BitInit *BI=dynamic_cast(FieldInitializer->getBit(i))){ --Offset; } else if (UnsetInit *UI = @@ -80,26 +91,32 @@ void CodeEmitterGen::createEmitter(std::ostream &o) { dynamic_cast(FieldInitializer->getBit(i))) { TypedInit *TI = VBI->getVariable(); if (VarInit *VI = dynamic_cast(TI)) { - o << " Value |= getValueBit(MI.getOperand(" - << OpOrder[VI->getName()] - << "), " << VBI->getBitNum() + o << " Value |= getValueBit(op" << OpOrder[VI->getName()] + << ", " << VBI->getBitNum() << ")" << " << " << Offset << ";\n"; --Offset; } else if (FieldInit *FI = dynamic_cast(TI)) { // FIXME: implement this! o << "FIELD INIT not implemented yet!\n"; } else { - o << "something else\n"; + o << "Error: UNIMPLEMENTED\n"; } } - } + } + } else { + if (Vals[f].getName() == "annul" || Vals[f].getName() == "cc" || + Vals[f].getName() == "predict") + --Offset; } } o << " break;\n" << " }\n"; } - o << " }\n" + o << " default:\n" + << " std::cerr << \"Not supported instr: \" << MI << \"\\n\";\n" + << " abort();\n" + << " }\n" << " return Value;\n" << "}\n"; }