lib/Target/CellSPU/SPU.td

   1 //===- SPU.td - Describe the STI Cell SPU Target Machine ----*- tablegen -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 //
   6 // This file was developed by a team from the Computer Systems Research
   7 // Department at The Aerospace Corporation.
   8 //
   9 // See README.txt for details.
  10 //===----------------------------------------------------------------------===//
  11 //
  12 // This is the top level entry point for the STI Cell SPU target machine.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 // Get the target-independent interfaces which we are implementing.
  17 //
  18 include "../Target.td"
  19
  20 //===----------------------------------------------------------------------===//
  21 // Register File Description
  22 //===----------------------------------------------------------------------===//
  23
  24 include "SPURegisterInfo.td"
  25
  26 //===----------------------------------------------------------------------===//
  27 // Instruction formats, instructions
  28 //===----------------------------------------------------------------------===//
  29
  30 include "SPUNodes.td"
  31 include "SPUOperands.td"
  32 include "SPUSchedule.td"
  33 include "SPUInstrFormats.td"
  34 include "SPUInstrInfo.td"
  35
  36 //===----------------------------------------------------------------------===//
  37 // Subtarget features:
  38 //===----------------------------------------------------------------------===//
  39
  40 def DefaultProc: SubtargetFeature<"", "ProcDirective", "SPU::DEFAULT_PROC", "">;
  41 def LargeMemFeature:
  42   SubtargetFeature<"large_mem","UseLargeMem", "true",
  43                    "Use large (>256) LSA memory addressing [default = false]">;
  44
  45 def SPURev0 : Processor<"v0", SPUItineraries, [DefaultProc]>;
  46
  47 //===----------------------------------------------------------------------===//
  48 // Calling convention:
  49 //===----------------------------------------------------------------------===//
  50
  51 include "SPUCallingConv.td"
  52
  53 // Target:
  54
  55 def SPUInstrInfo : InstrInfo {
  56   let isLittleEndianEncoding = 1;
  57 }
  58
  59 def SPU : Target {
  60   let InstructionSet = SPUInstrInfo;
  61 }