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//===- NeonEmitter.h - Generate arm_neon.h for use with clang ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This tablegen backend is responsible for emitting arm_neon.h, which includes
// a declaration and definition of each function specified by the ARM NEON
// compiler interface. See ARM document DUI0348B.
//
//===----------------------------------------------------------------------===//
#ifndef NEON_EMITTER_H
#define NEON_EMITTER_H
#include "Record.h"
#include "TableGenBackend.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
enum OpKind {
OpNone,
OpAdd,
OpSub,
OpMul,
OpMla,
OpMls,
OpEq,
OpGe,
OpLe,
OpGt,
OpLt,
OpNeg,
OpNot,
OpAnd,
OpOr,
OpXor,
OpAndNot,
OpOrNot,
OpCast,
OpConcat,
OpDup
};
enum ClassKind {
ClassNone,
ClassI,
ClassS,
ClassW,
ClassB
};
namespace llvm {
class NeonEmitter : public TableGenBackend {
RecordKeeper &Records;
StringMap<OpKind> OpMap;
DenseMap<Record*, ClassKind> ClassMap;
public:
NeonEmitter(RecordKeeper &R) : Records(R) {
OpMap["OP_NONE"] = OpNone;
OpMap["OP_ADD"] = OpAdd;
OpMap["OP_SUB"] = OpSub;
OpMap["OP_MUL"] = OpMul;
OpMap["OP_MLA"] = OpMla;
OpMap["OP_MLS"] = OpMls;
OpMap["OP_EQ"] = OpEq;
OpMap["OP_GE"] = OpGe;
OpMap["OP_LE"] = OpLe;
OpMap["OP_GT"] = OpGt;
OpMap["OP_LT"] = OpLt;
OpMap["OP_NEG"] = OpNeg;
OpMap["OP_NOT"] = OpNot;
OpMap["OP_AND"] = OpAnd;
OpMap["OP_OR"] = OpOr;
OpMap["OP_XOR"] = OpXor;
OpMap["OP_ANDN"] = OpAndNot;
OpMap["OP_ORN"] = OpOrNot;
OpMap["OP_CAST"] = OpCast;
OpMap["OP_CONC"] = OpConcat;
OpMap["OP_DUP"] = OpDup;
Record *SI = R.getClass("SInst");
Record *II = R.getClass("IInst");
Record *WI = R.getClass("WInst");
Record *BI = R.getClass("BInst");
ClassMap[SI] = ClassS;
ClassMap[II] = ClassI;
ClassMap[WI] = ClassW;
ClassMap[BI] = ClassB;
}
// run - Emit arm_neon.h.inc
void run(raw_ostream &o);
// runHeader - Emit all the __builtin prototypes used in arm_neon.h
void runHeader(raw_ostream &o);
};
} // End llvm namespace
#endif
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