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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,
+ OpMulN,
+ OpMlaN,
+ OpMlsN,
+ OpEq,
+ OpGe,
+ OpLe,
+ OpGt,
+ OpLt,
+ OpNeg,
+ OpNot,
+ OpAnd,
+ OpOr,
+ OpXor,
+ OpAndNot,
+ OpOrNot,
+ OpCast,
+ OpConcat,
+ OpDup,
+ OpHi,
+ OpLo,
+ OpSelect,
+ OpRev16,
+ OpRev32,
+ OpRev64
+};
+
+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_MUL_N"] = OpMulN;
+ OpMap["OP_MLA_N"] = OpMlaN;
+ OpMap["OP_MLS_N"] = OpMlsN;
+ 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_HI"] = OpHi;
+ OpMap["OP_LO"] = OpLo;
+ OpMap["OP_DUP"] = OpDup;
+ OpMap["OP_SEL"] = OpSelect;
+ OpMap["OP_REV16"] = OpRev16;
+ OpMap["OP_REV32"] = OpRev32;
+ OpMap["OP_REV64"] = OpRev64;
+
+ Record *SI = R.getClass("SInst");
+ Record *II = R.getClass("IInst");
+ Record *WI = R.getClass("WInst");
+ ClassMap[SI] = ClassS;
+ ClassMap[II] = ClassI;
+ ClassMap[WI] = ClassW;
+ }
+
+ // 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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