diff options
Diffstat (limited to 'support/tools/TableGen/InstrSelectorEmitter.cpp')
-rw-r--r-- | support/tools/TableGen/InstrSelectorEmitter.cpp | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/support/tools/TableGen/InstrSelectorEmitter.cpp b/support/tools/TableGen/InstrSelectorEmitter.cpp index d9f333be6e..4f6a018413 100644 --- a/support/tools/TableGen/InstrSelectorEmitter.cpp +++ b/support/tools/TableGen/InstrSelectorEmitter.cpp @@ -117,7 +117,7 @@ void TreePatternNode::dump() const { std::cerr << *this; } // Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec, InstrSelectorEmitter &ise) - : PTy(pty), Result(0), TheRecord(TheRec), ISE(ise) { + : PTy(pty), ResultNode(0), TheRecord(TheRec), ISE(ise) { // First, parse the pattern... Tree = ParseTreePattern(RawPat); @@ -137,7 +137,7 @@ Pattern::Pattern(PatternType pty, DagInit *RawPat, Record *TheRec, assert(Tree->getNumChildren() == 2 && "Set with != 2 arguments?"); if (!Tree->getChild(0)->isLeaf()) error("Arg #0 of set should be a register or register class!"); - Result = Tree->getChild(0)->getValueRecord(); + ResultNode = Tree->getChild(0); ResultName = Tree->getChildName(0); Tree = Tree->getChild(1); } @@ -855,11 +855,14 @@ static void ReduceAllOperands(TreePatternNode *N, const std::string &Name, /// name. void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg, const std::string &NameVar, - Record *ArgDecl, + TreePatternNode *ArgDeclNode, Pattern *P, bool PrintArg, std::ostream &OS) { if (DefInit *DI = dynamic_cast<DefInit*>(Arg)) { Record *Arg = DI->getDef(); + if (!ArgDeclNode->isLeaf()) + P->error("Expected leaf node as argument!"); + Record *ArgDecl = ArgDeclNode->getValueRecord(); if (Arg->isSubClassOf("Register")) { // This is a physical register reference... make sure that the instruction // requested a register! @@ -882,8 +885,28 @@ void InstrSelectorEmitter::PrintExpanderOperand(Init *Arg, OS << NameVar; if (PrintArg) OS << ")"; return; + } else if (Arg->getName() == "frameidx") { + if (!PrintArg) P->error("Cannot define a new frameidx value!"); + OS << ".addFrameIndex(" << NameVar << ")"; + return; } P->error("Unknown operand type '" + Arg->getName() + "' to expander!"); + } else if (IntInit *II = dynamic_cast<IntInit*>(Arg)) { + if (!NameVar.empty()) + P->error("Illegal to specify a name for a constant initializer arg!"); + + // Hack this check to allow R32 values with 0 as the initializer for memory + // references... FIXME! + if (ArgDeclNode->isLeaf() && II->getValue() == 0 && + ArgDeclNode->getValueRecord()->getName() == "R32") { + OS << ".addReg(0)"; + } else { + if (ArgDeclNode->isLeaf() || ArgDeclNode->getOperator()->getName()!="imm") + P->error("Illegal immediate int value '" + itostr(II->getValue()) + + "' operand!"); + OS << ".addZImm(" << II->getValue() << ")"; + } + return; } P->error("Unknown operand type to expander!"); } @@ -1201,7 +1224,8 @@ void InstrSelectorEmitter::run(std::ostream &OS) { std::string ArgNameVal = getArgName(P, DIInst->getArgName(0), Operands); PrintExpanderOperand(DIInst->getArg(0), ArgNameVal, - R, P, false, OS << ", "); + InstPat->getResultNode(), P, false, + OS << ", "); } OS << ")"; @@ -1210,7 +1234,7 @@ void InstrSelectorEmitter::run(std::ostream &OS) { getArgName(P, DIInst->getArgName(i), Operands); PrintExpanderOperand(DIInst->getArg(i), ArgNameVal, - InstPat->getArgRec(i-hasResult), P, true, OS); + InstPat->getArg(i-hasResult), P, true, OS); } OS << ";\n"; |