lib/Target/ARM/ARM.td

   1 //===- ARM.td - Describe the ARM Target Machine -----------------*- C++ -*-===//
   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 "../Target.td"
  18
  19 //===----------------------------------------------------------------------===//
  20 // ARM Subtarget features.
  21 //
  22
  23 def ArchV4T     : SubtargetFeature<"v4t", "ARMArchVersion", "V4T",
  24                                    "ARM v4T">;
  25 def ArchV5T     : SubtargetFeature<"v5t", "ARMArchVersion", "V5T",
  26                                    "ARM v5T">;
  27 def ArchV5TE    : SubtargetFeature<"v5te", "ARMArchVersion", "V5TE",
  28                                    "ARM v5TE, v5TEj, v5TExp">;
  29 def ArchV6      : SubtargetFeature<"v6", "ARMArchVersion", "V6",
  30                                    "ARM v6">;
  31 def FeatureVFP2 : SubtargetFeature<"vfp2", "HasVFP2", "true",
  32                                    "Enable VFP2 instructions ">;
  33
  34 //===----------------------------------------------------------------------===//
  35 // ARM Processors supported.
  36 //
  37
  38 class Proc<string Name, list<SubtargetFeature> Features>
  39  : Processor<Name, NoItineraries, Features>;
  40
  41 // V4 Processors.
  42 def : Proc<"generic",         []>;
  43 def : Proc<"arm8",            []>;
  44 def : Proc<"arm810",          []>;
  45 def : Proc<"strongarm",       []>;
  46 def : Proc<"strongarm110",    []>;
  47 def : Proc<"strongarm1100",   []>;
  48 def : Proc<"strongarm1110",   []>;
  49
  50 // V4T Processors.
  51 def : Proc<"arm7tdmi",        [ArchV4T]>;
  52 def : Proc<"arm7tdmi-s",      [ArchV4T]>;
  53 def : Proc<"arm710t",         [ArchV4T]>;
  54 def : Proc<"arm720t",         [ArchV4T]>;
  55 def : Proc<"arm9",            [ArchV4T]>;
  56 def : Proc<"arm9tdmi",        [ArchV4T]>;
  57 def : Proc<"arm920",          [ArchV4T]>;
  58 def : Proc<"arm920t",         [ArchV4T]>;
  59 def : Proc<"arm922t",         [ArchV4T]>;
  60 def : Proc<"arm940t",         [ArchV4T]>;
  61 def : Proc<"ep9312",          [ArchV4T]>;
  62
  63 // V5T Processors.
  64 def : Proc<"arm10tdmi",       [ArchV5T]>;
  65 def : Proc<"arm1020t",        [ArchV5T]>;
  66
  67 // V5TE Processors.
  68 def : Proc<"arm9e",           [ArchV5TE]>;
  69 def : Proc<"arm926ej-s",      [ArchV5TE]>;
  70 def : Proc<"arm946e-s",       [ArchV5TE]>;
  71 def : Proc<"arm966e-s",       [ArchV5TE]>;
  72 def : Proc<"arm968e-s",       [ArchV5TE]>;
  73 def : Proc<"arm10e",          [ArchV5TE]>;
  74 def : Proc<"arm1020e",        [ArchV5TE]>;
  75 def : Proc<"arm1022e",        [ArchV5TE]>;
  76 def : Proc<"xscale",          [ArchV5TE]>;
  77 def : Proc<"iwmmxt",          [ArchV5TE]>;
  78
  79 // V6 Processors.
  80 def : Proc<"arm1136j-s",      [ArchV6]>;
  81 def : Proc<"arm1136jf-s",     [ArchV6, FeatureVFP2]>;
  82 def : Proc<"arm1176jz-s",     [ArchV6]>;
  83 def : Proc<"arm1176jzf-s",    [ArchV6, FeatureVFP2]>;
  84 def : Proc<"mpcorenovfp",     [ArchV6]>;
  85 def : Proc<"mpcore",          [ArchV6, FeatureVFP2]>;
  86
  87 //===----------------------------------------------------------------------===//
  88 // Register File Description
  89 //===----------------------------------------------------------------------===//
  90
  91 include "ARMRegisterInfo.td"
  92
  93 //===----------------------------------------------------------------------===//
  94 // Instruction Descriptions
  95 //===----------------------------------------------------------------------===//
  96
  97 include "ARMInstrInfo.td"
  98
  99 def ARMInstrInfo : InstrInfo {
 100   // Define how we want to layout our target-specific information field.
 101   let TSFlagsFields = ["AddrModeBits",
 102                        "SizeFlag",
 103                        "IndexModeBits",
 104                        "Opcode",
 105                        "Form"];
 106   let TSFlagsShifts = [0,
 107                        4,
 108                        7,
 109                        9,
 110                        13];
 111 }
 112
 113 //===----------------------------------------------------------------------===//
 114 // Declare the target which we are implementing
 115 //===----------------------------------------------------------------------===//
 116
 117 def ARM : Target {
 118   // Pull in Instruction Info:
 119   let InstructionSet = ARMInstrInfo;
 120 }