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 15include "llvm/Target/Target.td" 16 17//===---------------------------------------------------------------------===// 18// AVR Device Definitions 19//===---------------------------------------------------------------------===// 20 21include "AVRDevices.td" 22 23//===---------------------------------------------------------------------===// 24// Register File Description 25//===---------------------------------------------------------------------===// 26 27include "AVRRegisterInfo.td" 28 29//===---------------------------------------------------------------------===// 30// Instruction Descriptions 31//===---------------------------------------------------------------------===// 32 33include "AVRInstrInfo.td" 34 35def AVRInstrInfo : InstrInfo; 36 37//===---------------------------------------------------------------------===// 38// Calling Conventions 39//===---------------------------------------------------------------------===// 40 41include "AVRCallingConv.td" 42 43//===---------------------------------------------------------------------===// 44// Assembly Printers 45//===---------------------------------------------------------------------===// 46 47def AVRAsmWriter : AsmWriter { 48 string AsmWriterClassName = "InstPrinter"; 49 bit isMCAsmWriter = 1; 50} 51 52//===---------------------------------------------------------------------===// 53// Assembly Parsers 54//===---------------------------------------------------------------------===// 55 56def AVRAsmParser : AsmParser { 57 let ShouldEmitMatchRegisterName = 1; 58 let ShouldEmitMatchRegisterAltName = 1; 59} 60 61def 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 73def AVR : Target { 74 let InstructionSet = AVRInstrInfo; 75 let AssemblyWriters = [AVRAsmWriter]; 76 77 let AssemblyParsers = [AVRAsmParser]; 78 let AssemblyParserVariants = [AVRAsmParserVariant]; 79} 80 81