lib/Target/PowerPC/PPC.td

   1 //===-- PPC.td - Describe the PowerPC 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 // This is the top level entry point for the PowerPC target.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 // Get the target-independent interfaces which we are implementing.
  15 //
  16 include "llvm/Target/Target.td"
  17
  18 //===----------------------------------------------------------------------===//
  19 // PowerPC Subtarget features.
  20 //
  21
  22 //===----------------------------------------------------------------------===//
  23 // CPU Directives                                                             //
  24 //===----------------------------------------------------------------------===//
  25
  26 def Directive440 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_440", "">;
  27 def Directive601 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_601", "">;
  28 def Directive602 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_602", "">;
  29 def Directive603 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">;
  30 def Directive604 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">;
  31 def Directive620 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">;
  32 def Directive7400: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_7400", "">;
  33 def Directive750 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_750", "">;
  34 def Directive970 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_970", "">;
  35 def Directive32  : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_32", "">;
  36 def Directive64  : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_64", "">;
  37 def DirectiveA2  : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_A2", "">;
  38 def DirectiveE500mc : SubtargetFeature<"", "DarwinDirective",
  39                                        "PPC::DIR_E500mc", "">;
  40 def DirectiveE5500  : SubtargetFeature<"", "DarwinDirective",
  41                                        "PPC::DIR_E5500", "">;
  42 def DirectivePwr6: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR6", "">;
  43 def DirectivePwr7: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR7", "">;
  44
  45 def Feature64Bit     : SubtargetFeature<"64bit","Has64BitSupport", "true",
  46                                         "Enable 64-bit instructions">;
  47 def Feature64BitRegs : SubtargetFeature<"64bitregs","Use64BitRegs", "true",
  48                               "Enable 64-bit registers usage for ppc32 [beta]">;
  49 def FeatureAltivec   : SubtargetFeature<"altivec","HasAltivec", "true",
  50                                         "Enable Altivec instructions">;
  51 def FeatureMFOCRF    : SubtargetFeature<"mfocrf","HasMFOCRF", "true",
  52                                         "Enable the MFOCRF instruction">;
  53 def FeatureFSqrt     : SubtargetFeature<"fsqrt","HasFSQRT", "true",
  54                                         "Enable the fsqrt instruction">;
  55 def FeatureSTFIWX    : SubtargetFeature<"stfiwx","HasSTFIWX", "true",
  56                                         "Enable the stfiwx instruction">;
  57 def FeatureISEL      : SubtargetFeature<"isel","HasISEL", "true",
  58                                         "Enable the isel instruction">;
  59 def FeatureBookE     : SubtargetFeature<"booke", "IsBookE", "true",
  60                                         "Enable Book E instructions">;
  61 def FeatureQPX       : SubtargetFeature<"qpx","HasQPX", "true",
  62                                         "Enable QPX instructions">;
  63
  64 //===----------------------------------------------------------------------===//
  65 // Register File Description
  66 //===----------------------------------------------------------------------===//
  67
  68 include "PPCRegisterInfo.td"
  69 include "PPCSchedule.td"
  70 include "PPCInstrInfo.td"
  71
  72 //===----------------------------------------------------------------------===//
  73 // PowerPC processors supported.
  74 //
  75
  76 def : Processor<"generic", G3Itineraries, [Directive32]>;
  77 def : Processor<"440", PPC440Itineraries, [Directive440, FeatureISEL,
  78                                            FeatureBookE]>;
  79 def : Processor<"450", PPC440Itineraries, [Directive440, FeatureISEL,
  80                                            FeatureBookE]>;
  81 def : Processor<"601", G3Itineraries, [Directive601]>;
  82 def : Processor<"602", G3Itineraries, [Directive602]>;
  83 def : Processor<"603", G3Itineraries, [Directive603]>;
  84 def : Processor<"603e", G3Itineraries, [Directive603]>;
  85 def : Processor<"603ev", G3Itineraries, [Directive603]>;
  86 def : Processor<"604", G3Itineraries, [Directive604]>;
  87 def : Processor<"604e", G3Itineraries, [Directive604]>;
  88 def : Processor<"620", G3Itineraries, [Directive620]>;
  89 def : Processor<"750", G4Itineraries, [Directive750]>;
  90 def : Processor<"g3", G3Itineraries, [Directive750]>;
  91 def : Processor<"7400", G4Itineraries, [Directive7400, FeatureAltivec]>;
  92 def : Processor<"g4", G4Itineraries, [Directive7400, FeatureAltivec]>;
  93 def : Processor<"7450", G4PlusItineraries, [Directive7400, FeatureAltivec]>;
  94 def : Processor<"g4+", G4PlusItineraries, [Directive7400, FeatureAltivec]>;
  95 def : Processor<"970", G5Itineraries,
  96                   [Directive970, FeatureAltivec,
  97                    FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX,
  98                    Feature64Bit /*, Feature64BitRegs */]>;
  99 def : Processor<"g5", G5Itineraries,
 100                   [Directive970, FeatureAltivec,
 101                    FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX,
 102                    Feature64Bit /*, Feature64BitRegs */]>;
 103 def : ProcessorModel<"e500mc", PPCE500mcModel,
 104                   [DirectiveE500mc, FeatureMFOCRF,
 105                    FeatureSTFIWX, FeatureBookE, FeatureISEL]>;
 106 def : ProcessorModel<"e5500", PPCE5500Model,
 107                   [DirectiveE5500, FeatureMFOCRF, Feature64Bit,
 108                    FeatureSTFIWX, FeatureBookE, FeatureISEL]>;
 109 def : Processor<"a2", PPCA2Itineraries, [DirectiveA2, FeatureBookE,
 110                                          FeatureMFOCRF, FeatureFSqrt,
 111                                          FeatureSTFIWX, FeatureISEL,
 112                                          Feature64Bit
 113                                      /*, Feature64BitRegs */]>;
 114 def : Processor<"a2q", PPCA2Itineraries, [DirectiveA2, FeatureBookE,
 115                                           FeatureMFOCRF, FeatureFSqrt,
 116                                           FeatureSTFIWX, FeatureISEL,
 117                                           Feature64Bit /*, Feature64BitRegs */,
 118                                           FeatureQPX]>;
 119 def : Processor<"pwr6", G5Itineraries,
 120                   [DirectivePwr6, FeatureAltivec,
 121                    FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX,
 122                    Feature64Bit /*, Feature64BitRegs */]>;
 123 def : Processor<"pwr7", G5Itineraries,
 124                   [DirectivePwr7, FeatureAltivec,
 125                    FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX,
 126                    FeatureISEL, Feature64Bit /*, Feature64BitRegs */]>;
 127 def : Processor<"ppc", G3Itineraries, [Directive32]>;
 128 def : Processor<"ppc64", G5Itineraries,
 129                   [Directive64, FeatureAltivec,
 130                    FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX,
 131                    Feature64Bit /*, Feature64BitRegs */]>;
 132
 133
 134 //===----------------------------------------------------------------------===//
 135 // Calling Conventions
 136 //===----------------------------------------------------------------------===//
 137
 138 include "PPCCallingConv.td"
 139
 140 def PPCInstrInfo : InstrInfo {
 141   let isLittleEndianEncoding = 1;
 142 }
 143
 144 def PPCAsmWriter : AsmWriter {
 145   string AsmWriterClassName  = "InstPrinter";
 146   bit isMCAsmWriter = 1;
 147 }
 148
 149 def PPC : Target {
 150   // Information about the instructions.
 151   let InstructionSet = PPCInstrInfo;
 152
 153   let AssemblyWriters = [PPCAsmWriter];
 154 }