llvm/lib/Target/AVR/AVR.td

   1 //===-- AVR.td - Describe the AVR Target Machine ----------*- tablegen -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===---------------------------------------------------------------------===//
   8 // This is the top level entry point for the AVR target.
   9 //===---------------------------------------------------------------------===//
  10
  11 //===---------------------------------------------------------------------===//
  12 // Target-independent interfaces which we are implementing
  13 //===---------------------------------------------------------------------===//
  14
  15 include "llvm/Target/Target.td"
  16
  17 //===---------------------------------------------------------------------===//
  18 // AVR Device Definitions
  19 //===---------------------------------------------------------------------===//
  20
  21 include "AVRDevices.td"
  22
  23 //===---------------------------------------------------------------------===//
  24 // Register File Description
  25 //===---------------------------------------------------------------------===//
  26
  27 include "AVRRegisterInfo.td"
  28
  29 //===---------------------------------------------------------------------===//
  30 // Instruction Descriptions
  31 //===---------------------------------------------------------------------===//
  32
  33 include "AVRInstrInfo.td"
  34
  35 def AVRInstrInfo : InstrInfo;
  36
  37 //===---------------------------------------------------------------------===//
  38 // Calling Conventions
  39 //===---------------------------------------------------------------------===//
  40
  41 include "AVRCallingConv.td"
  42
  43 //===---------------------------------------------------------------------===//
  44 // Assembly Printers
  45 //===---------------------------------------------------------------------===//
  46
  47 def AVRAsmWriter : AsmWriter {
  48   string AsmWriterClassName = "InstPrinter";
  49   bit isMCAsmWriter = 1;
  50 }
  51
  52 //===---------------------------------------------------------------------===//
  53 // Assembly Parsers
  54 //===---------------------------------------------------------------------===//
  55
  56 def AVRAsmParser : AsmParser {
  57   let ShouldEmitMatchRegisterName = 1;
  58   let ShouldEmitMatchRegisterAltName = 1;
  59 }
  60
  61 def AVRAsmParserVariant : AsmParserVariant {
  62   int Variant = 0;
  63
  64   // Recognize hard coded registers.
  65   string RegisterPrefix = "$";
  66   string TokenizingCharacters = "+";
  67 }
  68
  69 //===---------------------------------------------------------------------===//
  70 // Target Declaration
  71 //===---------------------------------------------------------------------===//
  72
  73 def AVR : Target {
  74   let InstructionSet = AVRInstrInfo;
  75   let AssemblyWriters = [AVRAsmWriter];
  76
  77   let AssemblyParsers = [AVRAsmParser];
  78   let AssemblyParserVariants = [AVRAsmParserVariant];
  79 }