contrib/llvm/lib/Target/AVR/AVR.td

   1 //===-- AVR.td - Describe the AVR Target Machine ----------*- tablegen -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===---------------------------------------------------------------------===//
   9 // This is the top level entry point for the AVR target.
  10 //===---------------------------------------------------------------------===//
  11
  12 //===---------------------------------------------------------------------===//
  13 // Target-independent interfaces which we are implementing
  14 //===---------------------------------------------------------------------===//
  15
  16 include "llvm/Target/Target.td"
  17
  18 //===---------------------------------------------------------------------===//
  19 // AVR Device Definitions
  20 //===---------------------------------------------------------------------===//
  21
  22 include "AVRDevices.td"
  23
  24 //===---------------------------------------------------------------------===//
  25 // Register File Description
  26 //===---------------------------------------------------------------------===//
  27
  28 include "AVRRegisterInfo.td"
  29
  30 //===---------------------------------------------------------------------===//
  31 // Instruction Descriptions
  32 //===---------------------------------------------------------------------===//
  33
  34 include "AVRInstrInfo.td"
  35
  36 def AVRInstrInfo : InstrInfo;
  37
  38 //===---------------------------------------------------------------------===//
  39 // Calling Conventions
  40 //===---------------------------------------------------------------------===//
  41
  42 include "AVRCallingConv.td"
  43
  44 //===---------------------------------------------------------------------===//
  45 // Assembly Printers
  46 //===---------------------------------------------------------------------===//
  47
  48 def AVRAsmWriter : AsmWriter {
  49  string AsmWriterClassName = "InstPrinter";
  50  bit isMCAsmWriter = 1;
  51 }
  52
  53 //===---------------------------------------------------------------------===//
  54 // Assembly Parsers
  55 //===---------------------------------------------------------------------===//
  56
  57 def AVRAsmParser : AsmParser {
  58   let ShouldEmitMatchRegisterName = 1;
  59   let ShouldEmitMatchRegisterAltName = 1;
  60 }
  61
  62 def AVRAsmParserVariant : AsmParserVariant {
  63   int Variant = 0;
  64
  65   // Recognize hard coded registers.
  66   string RegisterPrefix = "$";
  67   string TokenizingCharacters = "+";
  68 }
  69
  70 //===---------------------------------------------------------------------===//
  71 // Target Declaration
  72 //===---------------------------------------------------------------------===//
  73
  74 def AVR : Target {
  75   let InstructionSet         = AVRInstrInfo;
  76   let AssemblyWriters        = [AVRAsmWriter];
  77
  78   let AssemblyParsers        = [AVRAsmParser];
  79   let AssemblyParserVariants = [AVRAsmParserVariant];
  80 }
  81