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

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