mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-19 04:29:21 +00:00
Add support for frameidx and literal immediates for instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7749 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
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57fb6ab871
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@ -117,7 +117,7 @@ void TreePatternNode::dump() const { std::cerr << *this; }
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//
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Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec,
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InstrSelectorEmitter &ise)
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: PTy(pty), Result(0), TheRecord(TheRec), ISE(ise) {
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: PTy(pty), ResultNode(0), TheRecord(TheRec), ISE(ise) {
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// First, parse the pattern...
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Tree = ParseTreePattern(RawPat);
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@ -137,7 +137,7 @@ Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec,
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assert(Tree->getNumChildren() == 2 && "Set with != 2 arguments?");
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if (!Tree->getChild(0)->isLeaf())
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error("Arg #0 of set should be a register or register class!");
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Result = Tree->getChild(0)->getValueRecord();
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ResultNode = Tree->getChild(0);
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ResultName = Tree->getChildName(0);
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Tree = Tree->getChild(1);
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}
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@ -855,11 +855,14 @@ static void ReduceAllOperands(TreePatternNode *N, const std::string &Name,
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/// name.
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void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg,
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const std::string &NameVar,
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Record *ArgDecl,
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TreePatternNode *ArgDeclNode,
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Pattern *P, bool PrintArg,
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std::ostream &OS) {
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if (DefInit *DI = dynamic_cast<DefInit*>(Arg)) {
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Record *Arg = DI->getDef();
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if (!ArgDeclNode->isLeaf())
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P->error("Expected leaf node as argument!");
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Record *ArgDecl = ArgDeclNode->getValueRecord();
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if (Arg->isSubClassOf("Register")) {
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// This is a physical register reference... make sure that the instruction
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// requested a register!
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@ -882,8 +885,28 @@ void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg,
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OS << NameVar;
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if (PrintArg) OS << ")";
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return;
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} else if (Arg->getName() == "frameidx") {
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if (!PrintArg) P->error("Cannot define a new frameidx value!");
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OS << ".addFrameIndex(" << NameVar << ")";
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return;
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}
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P->error("Unknown operand type '" + Arg->getName() + "' to expander!");
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} else if (IntInit *II = dynamic_cast<IntInit*>(Arg)) {
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if (!NameVar.empty())
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P->error("Illegal to specify a name for a constant initializer arg!");
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// Hack this check to allow R32 values with 0 as the initializer for memory
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// references... FIXME!
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if (ArgDeclNode->isLeaf() && II->getValue() == 0 &&
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ArgDeclNode->getValueRecord()->getName() == "R32") {
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OS << ".addReg(0)";
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} else {
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if (ArgDeclNode->isLeaf() || ArgDeclNode->getOperator()->getName()!="imm")
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P->error("Illegal immediate int value '" + itostr(II->getValue()) +
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"' operand!");
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OS << ".addZImm(" << II->getValue() << ")";
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}
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return;
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}
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P->error("Unknown operand type to expander!");
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}
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@ -1201,7 +1224,8 @@ void InstrSelectorEmitter::run(std::ostream &OS) {
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std::string ArgNameVal =
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getArgName(P, DIInst->getArgName(0), Operands);
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PrintExpanderOperand(DIInst->getArg(0), ArgNameVal,
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R, P, false, OS << ", ");
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InstPat->getResultNode(), P, false,
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OS << ", ");
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}
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OS << ")";
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@ -1210,7 +1234,7 @@ void InstrSelectorEmitter::run(std::ostream &OS) {
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getArgName(P, DIInst->getArgName(i), Operands);
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PrintExpanderOperand(DIInst->getArg(i), ArgNameVal,
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InstPat->getArgRec(i-hasResult), P, true, OS);
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InstPat->getArg(i-hasResult), P, true, OS);
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}
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OS << ";\n";
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@ -141,8 +141,8 @@ private:
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/// Result - If this is an instruction or expander pattern, this is the
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/// register result, specified with a (set) in the pattern.
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///
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Record *Result;
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std::string ResultName; // The name of the result value...
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std::string ResultName; // The name of the result value...
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TreePatternNode *ResultNode; // The leaf node for the result register...
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/// TheRecord - The actual TableGen record corresponding to this pattern.
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///
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@ -172,8 +172,9 @@ public:
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/// Pattern - Constructor used for cloning nonterminal patterns
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Pattern(TreePatternNode *tree, Record *rec, bool res,
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InstrSelectorEmitter &ise) : PTy(Nonterminal), Tree(tree), Result(0),
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TheRecord(rec), Resolved(res), ISE(ise) {
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InstrSelectorEmitter &ise)
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: PTy(Nonterminal), Tree(tree), ResultNode(0), TheRecord(rec),
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Resolved(res), ISE(ise) {
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calculateArgs(Tree, "");
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}
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@ -185,8 +186,11 @@ public:
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///
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TreePatternNode *getTree() const { return Tree; }
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Record *getResult() const { return Result; }
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Record *getResult() const {
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return ResultNode ? ResultNode->getValueRecord() : 0;
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}
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const std::string &getResultName() const { return ResultName; }
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TreePatternNode *getResultNode() const { return ResultNode; }
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/// getRecord - Return the actual TableGen record corresponding to this
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/// pattern.
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@ -201,6 +205,9 @@ public:
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Record *getArgRec(unsigned i) const {
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return getArg(i)->getValueRecord();
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}
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Init *getArgVal(unsigned i) const {
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return getArg(i)->getValue();
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}
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const std::string &getArgName(unsigned i) const {
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assert(i < Args.size() && "Argument reference out of range!");
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return Args[i].second;
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@ -372,7 +379,7 @@ private:
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/// to the BuildMI call. If it is false, we are printing the result register
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/// name.
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void PrintExpanderOperand(Init *Arg, const std::string &NameVar,
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Record *ArgDecl, Pattern *P,
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TreePatternNode *ArgDecl, Pattern *P,
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bool PrintArg, std::ostream &OS);
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};
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@ -117,7 +117,7 @@ void TreePatternNode::dump() const { std::cerr << *this; }
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//
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Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec,
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InstrSelectorEmitter &ise)
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: PTy(pty), Result(0), TheRecord(TheRec), ISE(ise) {
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: PTy(pty), ResultNode(0), TheRecord(TheRec), ISE(ise) {
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// First, parse the pattern...
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Tree = ParseTreePattern(RawPat);
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@ -137,7 +137,7 @@ Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec,
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assert(Tree->getNumChildren() == 2 && "Set with != 2 arguments?");
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if (!Tree->getChild(0)->isLeaf())
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error("Arg #0 of set should be a register or register class!");
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Result = Tree->getChild(0)->getValueRecord();
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ResultNode = Tree->getChild(0);
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ResultName = Tree->getChildName(0);
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Tree = Tree->getChild(1);
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}
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@ -855,11 +855,14 @@ static void ReduceAllOperands(TreePatternNode *N, const std::string &Name,
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/// name.
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void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg,
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const std::string &NameVar,
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Record *ArgDecl,
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TreePatternNode *ArgDeclNode,
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Pattern *P, bool PrintArg,
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std::ostream &OS) {
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if (DefInit *DI = dynamic_cast<DefInit*>(Arg)) {
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Record *Arg = DI->getDef();
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if (!ArgDeclNode->isLeaf())
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P->error("Expected leaf node as argument!");
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Record *ArgDecl = ArgDeclNode->getValueRecord();
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if (Arg->isSubClassOf("Register")) {
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// This is a physical register reference... make sure that the instruction
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// requested a register!
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@ -882,8 +885,28 @@ void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg,
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OS << NameVar;
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if (PrintArg) OS << ")";
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return;
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} else if (Arg->getName() == "frameidx") {
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if (!PrintArg) P->error("Cannot define a new frameidx value!");
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OS << ".addFrameIndex(" << NameVar << ")";
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return;
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}
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P->error("Unknown operand type '" + Arg->getName() + "' to expander!");
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} else if (IntInit *II = dynamic_cast<IntInit*>(Arg)) {
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if (!NameVar.empty())
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P->error("Illegal to specify a name for a constant initializer arg!");
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// Hack this check to allow R32 values with 0 as the initializer for memory
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// references... FIXME!
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if (ArgDeclNode->isLeaf() && II->getValue() == 0 &&
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ArgDeclNode->getValueRecord()->getName() == "R32") {
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OS << ".addReg(0)";
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} else {
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if (ArgDeclNode->isLeaf() || ArgDeclNode->getOperator()->getName()!="imm")
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P->error("Illegal immediate int value '" + itostr(II->getValue()) +
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"' operand!");
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OS << ".addZImm(" << II->getValue() << ")";
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}
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return;
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}
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P->error("Unknown operand type to expander!");
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}
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@ -1201,7 +1224,8 @@ void InstrSelectorEmitter::run(std::ostream &OS) {
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std::string ArgNameVal =
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getArgName(P, DIInst->getArgName(0), Operands);
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PrintExpanderOperand(DIInst->getArg(0), ArgNameVal,
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R, P, false, OS << ", ");
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InstPat->getResultNode(), P, false,
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OS << ", ");
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}
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OS << ")";
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@ -1210,7 +1234,7 @@ void InstrSelectorEmitter::run(std::ostream &OS) {
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getArgName(P, DIInst->getArgName(i), Operands);
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PrintExpanderOperand(DIInst->getArg(i), ArgNameVal,
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InstPat->getArgRec(i-hasResult), P, true, OS);
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InstPat->getArg(i-hasResult), P, true, OS);
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}
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OS << ";\n";
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@ -141,8 +141,8 @@ private:
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/// Result - If this is an instruction or expander pattern, this is the
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/// register result, specified with a (set) in the pattern.
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///
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Record *Result;
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std::string ResultName; // The name of the result value...
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std::string ResultName; // The name of the result value...
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TreePatternNode *ResultNode; // The leaf node for the result register...
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/// TheRecord - The actual TableGen record corresponding to this pattern.
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///
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@ -172,8 +172,9 @@ public:
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/// Pattern - Constructor used for cloning nonterminal patterns
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Pattern(TreePatternNode *tree, Record *rec, bool res,
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InstrSelectorEmitter &ise) : PTy(Nonterminal), Tree(tree), Result(0),
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TheRecord(rec), Resolved(res), ISE(ise) {
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InstrSelectorEmitter &ise)
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: PTy(Nonterminal), Tree(tree), ResultNode(0), TheRecord(rec),
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Resolved(res), ISE(ise) {
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calculateArgs(Tree, "");
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}
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@ -185,8 +186,11 @@ public:
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///
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TreePatternNode *getTree() const { return Tree; }
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Record *getResult() const { return Result; }
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Record *getResult() const {
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return ResultNode ? ResultNode->getValueRecord() : 0;
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}
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const std::string &getResultName() const { return ResultName; }
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TreePatternNode *getResultNode() const { return ResultNode; }
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/// getRecord - Return the actual TableGen record corresponding to this
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/// pattern.
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@ -201,6 +205,9 @@ public:
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Record *getArgRec(unsigned i) const {
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return getArg(i)->getValueRecord();
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}
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Init *getArgVal(unsigned i) const {
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return getArg(i)->getValue();
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}
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const std::string &getArgName(unsigned i) const {
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assert(i < Args.size() && "Argument reference out of range!");
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return Args[i].second;
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@ -372,7 +379,7 @@ private:
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/// to the BuildMI call. If it is false, we are printing the result register
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/// name.
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void PrintExpanderOperand(Init *Arg, const std::string &NameVar,
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Record *ArgDecl, Pattern *P,
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TreePatternNode *ArgDecl, Pattern *P,
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bool PrintArg, std::ostream &OS);
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};
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