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Diffstat (limited to 'utils/TableGen/NeonEmitter.h')
| -rw-r--r-- | utils/TableGen/NeonEmitter.h | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/utils/TableGen/NeonEmitter.h b/utils/TableGen/NeonEmitter.h new file mode 100644 index 0000000000..708ad3c06a --- /dev/null +++ b/utils/TableGen/NeonEmitter.h @@ -0,0 +1,176 @@ +//===- 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 +}; + +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 |