lib/Target/XCore/XCore.td

   1 //===- XCore.td - Describe the XCore 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 //
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 //===----------------------------------------------------------------------===//
  14 // Target-independent interfaces which we are implementing
  15 //===----------------------------------------------------------------------===//
  16
  17 include "llvm/Target/Target.td"
  18
  19 //===----------------------------------------------------------------------===//
  20 // Descriptions
  21 //===----------------------------------------------------------------------===//
  22
  23 include "XCoreRegisterInfo.td"
  24 include "XCoreInstrInfo.td"
  25 include "XCoreCallingConv.td"
  26
  27 def XCoreInstrInfo : InstrInfo {
  28   let TSFlagsFields = [];
  29   let TSFlagsShifts = [];
  30 }
  31
  32 //===----------------------------------------------------------------------===//
  33 // XCore Subtarget features.
  34 //===----------------------------------------------------------------------===//
  35
  36 def FeatureXS1A
  37   : SubtargetFeature<"xs1a", "IsXS1A", "true",
  38                      "Enable XS1A instructions">;
  39
  40 def FeatureXS1B
  41   : SubtargetFeature<"xs1b", "IsXS1B", "true",
  42                      "Enable XS1B instructions">;
  43
  44 //===----------------------------------------------------------------------===//
  45 // XCore processors supported.
  46 //===----------------------------------------------------------------------===//
  47
  48 class Proc<string Name, list<SubtargetFeature> Features>
  49  : Processor<Name, NoItineraries, Features>;
  50
  51 def : Proc<"generic",      [FeatureXS1A]>;
  52 def : Proc<"xs1a-generic", [FeatureXS1A]>;
  53 def : Proc<"xs1b-generic", [FeatureXS1B]>;
  54
  55 //===----------------------------------------------------------------------===//
  56 // Declare the target which we are implementing
  57 //===----------------------------------------------------------------------===//
  58
  59 def XCore : Target {
  60   // Pull in Instruction Info:
  61   let InstructionSet = XCoreInstrInfo;
  62 }