contrib/llvm/lib/Target/MSP430/MSP430.td

   1 //===-- MSP430.td - Describe the MSP430 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 MSP430 target.
   9 //===----------------------------------------------------------------------===//
  10
  11 //===----------------------------------------------------------------------===//
  12 // Target-independent interfaces
  13 //===----------------------------------------------------------------------===//
  14
  15 include "llvm/Target/Target.td"
  16
  17 //===----------------------------------------------------------------------===//
  18 // Subtarget Features.
  19 //===----------------------------------------------------------------------===//
  20 def FeatureX
  21  : SubtargetFeature<"ext", "ExtendedInsts", "true",
  22                     "Enable MSP430-X extensions">;
  23
  24 def FeatureHWMult16
  25  : SubtargetFeature<"hwmult16", "HWMultMode", "HWMult16",
  26                     "Enable 16-bit hardware multiplier">;
  27
  28 def FeatureHWMult32
  29  : SubtargetFeature<"hwmult32", "HWMultMode", "HWMult32",
  30                     "Enable 32-bit hardware multiplier">;
  31
  32 def FeatureHWMultF5
  33  : SubtargetFeature<"hwmultf5", "HWMultMode", "HWMultF5",
  34                     "Enable F5 series hardware multiplier">;
  35
  36 //===----------------------------------------------------------------------===//
  37 // MSP430 supported processors.
  38 //===----------------------------------------------------------------------===//
  39 class Proc<string Name, list<SubtargetFeature> Features>
  40  : Processor<Name, NoItineraries, Features>;
  41
  42 def : Proc<"generic",         []>;
  43 def : Proc<"msp430",          []>;
  44 def : Proc<"msp430x",         [FeatureX]>;
  45
  46 //===----------------------------------------------------------------------===//
  47 // Register File Description
  48 //===----------------------------------------------------------------------===//
  49
  50 include "MSP430RegisterInfo.td"
  51
  52 //===----------------------------------------------------------------------===//
  53 // Calling Convention Description
  54 //===----------------------------------------------------------------------===//
  55
  56 include "MSP430CallingConv.td"
  57
  58 //===----------------------------------------------------------------------===//
  59 // Instruction Descriptions
  60 //===----------------------------------------------------------------------===//
  61
  62 include "MSP430InstrInfo.td"
  63
  64 def MSP430InstrInfo : InstrInfo;
  65
  66 //===---------------------------------------------------------------------===//
  67 // Assembly Printers
  68 //===---------------------------------------------------------------------===//
  69
  70 def MSP430AsmWriter : AsmWriter {
  71   string AsmWriterClassName = "InstPrinter";
  72 }
  73
  74 //===---------------------------------------------------------------------===//
  75 // Assembly Parsers
  76 //===---------------------------------------------------------------------===//
  77
  78 def MSP430AsmParser : AsmParser {
  79   let AllowDuplicateRegisterNames = 1;
  80   let ShouldEmitMatchRegisterAltName = 1;
  81 }
  82
  83 //===----------------------------------------------------------------------===//
  84 // Target Declaration
  85 //===----------------------------------------------------------------------===//
  86
  87 def MSP430 : Target {
  88   let InstructionSet = MSP430InstrInfo;
  89   let AssemblyParsers = [MSP430AsmParser];
  90 }
  91