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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 "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
enum OpKind {
OpNone,
OpAdd,
OpAddl,
OpAddw,
OpSub,
OpSubl,
OpSubw,
OpMul,
OpMla,
OpMlal,
OpMls,
OpMlsl,
OpMulN,
OpMlaN,
OpMlsN,
OpMlalN,
OpMlslN,
OpMulLane,
OpMullLane,
OpMlaLane,
OpMlsLane,
OpMlalLane,
OpMlslLane,
OpQDMullLane,
OpQDMlalLane,
OpQDMlslLane,
OpQDMulhLane,
OpQRDMulhLane,
OpEq,
OpGe,
OpLe,
OpGt,
OpLt,
OpNeg,
OpNot,
OpAnd,
OpOr,
OpXor,
OpAndNot,
OpOrNot,
OpCast,
OpConcat,
OpDup,
OpDupLane,
OpHi,
OpLo,
OpSelect,
OpRev16,
OpRev32,
OpRev64,
OpReinterpret,
OpAbdl,
OpAba,
OpAbal
};
enum ClassKind {
ClassNone,
ClassI, // generic integer instruction, e.g., "i8" suffix
ClassS, // signed/unsigned/poly, e.g., "s8", "u8" or "p8" suffix
ClassW, // width-specific instruction, e.g., "8" suffix
ClassB // bitcast arguments with enum argument to specify type
};
/// NeonTypeFlags - Flags to identify the types for overloaded Neon
/// builtins. These must be kept in sync with the flags in
/// include/clang/Basic/TargetBuiltins.h.
class NeonTypeFlags {
enum {
EltTypeMask = 0xf,
UnsignedFlag = 0x10,
QuadFlag = 0x20
};
uint32_t Flags;
public:
enum EltType {
Int8,
Int16,
Int32,
Int64,
Poly8,
Poly16,
Float16,
Float32
};
NeonTypeFlags(unsigned F) : Flags(F) {}
NeonTypeFlags(EltType ET, bool IsUnsigned, bool IsQuad) : Flags(ET) {
if (IsUnsigned)
Flags |= UnsignedFlag;
if (IsQuad)
Flags |= QuadFlag;
}
uint32_t getFlags() const { return Flags; }
};
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_ADDL"] = OpAddl;
OpMap["OP_ADDW"] = OpAddw;
OpMap["OP_SUB"] = OpSub;
OpMap["OP_SUBL"] = OpSubl;
OpMap["OP_SUBW"] = OpSubw;
OpMap["OP_MUL"] = OpMul;
OpMap["OP_MLA"] = OpMla;
OpMap["OP_MLAL"] = OpMlal;
OpMap["OP_MLS"] = OpMls;
OpMap["OP_MLSL"] = OpMlsl;
OpMap["OP_MUL_N"] = OpMulN;
OpMap["OP_MLA_N"] = OpMlaN;
OpMap["OP_MLS_N"] = OpMlsN;
OpMap["OP_MLAL_N"] = OpMlalN;
OpMap["OP_MLSL_N"] = OpMlslN;
OpMap["OP_MUL_LN"]= OpMulLane;
OpMap["OP_MULL_LN"] = OpMullLane;
OpMap["OP_MLA_LN"]= OpMlaLane;
OpMap["OP_MLS_LN"]= OpMlsLane;
OpMap["OP_MLAL_LN"] = OpMlalLane;
OpMap["OP_MLSL_LN"] = OpMlslLane;
OpMap["OP_QDMULL_LN"] = OpQDMullLane;
OpMap["OP_QDMLAL_LN"] = OpQDMlalLane;
OpMap["OP_QDMLSL_LN"] = OpQDMlslLane;
OpMap["OP_QDMULH_LN"] = OpQDMulhLane;
OpMap["OP_QRDMULH_LN"] = OpQRDMulhLane;
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_DUP_LN"] = OpDupLane;
OpMap["OP_SEL"] = OpSelect;
OpMap["OP_REV16"] = OpRev16;
OpMap["OP_REV32"] = OpRev32;
OpMap["OP_REV64"] = OpRev64;
OpMap["OP_REINT"] = OpReinterpret;
OpMap["OP_ABDL"] = OpAbdl;
OpMap["OP_ABA"] = OpAba;
OpMap["OP_ABAL"] = OpAbal;
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);
// runTests - Emit tests for all the Neon intrinsics.
void runTests(raw_ostream &o);
private:
void emitIntrinsic(raw_ostream &OS, Record *R);
};
} // End llvm namespace
#endif
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