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1 //===-- Nios2.td - Describe the Nios2 Target Machine -------*- tablegen -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 //===----------------------------------------------------------------------===//
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11 // Calling Conv, Instruction Descriptions
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12 //===----------------------------------------------------------------------===//
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13
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14 include "llvm/Target/Target.td"
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15 include "Nios2RegisterInfo.td"
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134
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16 include "Nios2Schedule.td"
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121
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17 include "Nios2InstrInfo.td"
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134
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18 include "Nios2CallingConv.td"
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121
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19
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20 //===----------------------------------------------------------------------===//
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21 // Nios2 Subtarget features
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22 //===----------------------------------------------------------------------===//
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23 def FeatureNios2r1 : SubtargetFeature<"nios2r1", "Nios2ArchVersion",
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24 "Nios2r1", "Nios2 R1 ISA Support">;
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25 def FeatureNios2r2 : SubtargetFeature<"nios2r2", "Nios2ArchVersion",
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26 "Nios2r2", "Nios2 R2 ISA Support">;
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27
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28 //===----------------------------------------------------------------------===//
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29 // Nios2 processors supported.
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30 //===----------------------------------------------------------------------===//
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31
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32 class Proc<string Name, list<SubtargetFeature> Features>
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33 : Processor<Name, Nios2GenericItineraries, Features>;
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34
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35 def : Proc<"nios2r1", [FeatureNios2r1]>;
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36 def : Proc<"nios2r2", [FeatureNios2r2]>;
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134
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37
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38 def Nios2InstrInfo : InstrInfo;
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39
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40 def Nios2AsmParser : AsmParser {
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41 let ShouldEmitMatchRegisterName = 0;
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42 }
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43
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44 //===----------------------------------------------------------------------===//
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45 // Declare the target which we are implementing
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46 //===----------------------------------------------------------------------===//
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47
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48 def Nios2AsmWriter : AsmWriter {
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49 string AsmWriterClassName = "InstPrinter";
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50 int PassSubtarget = 1;
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51 int Variant = 0;
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52 }
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53
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54 def Nios2 : Target {
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55 // def Nios2InstrInfo : InstrInfo as before.
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56 let InstructionSet = Nios2InstrInfo;
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57 let AssemblyParsers = [Nios2AsmParser];
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58 let AssemblyWriters = [Nios2AsmWriter];
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59 }
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