contrib/llvm/lib/Target/SystemZ/SystemZFeatures.td

   1 //===-- SystemZ.td - SystemZ processors and features ---------*- tblgen -*-===//
   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 // Feature definitions.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 class SystemZFeature<string extname, string intname, string desc>
  15   : Predicate<"Subtarget->has"##intname##"()">,
  16     AssemblerPredicate<"Feature"##intname, extname>,
  17     SubtargetFeature<extname, "Has"##intname, "true", desc>;
  18
  19 class SystemZMissingFeature<string intname>
  20   : Predicate<"!Subtarget->has"##intname##"()">;
  21
  22 class SystemZFeatureList<list<SystemZFeature> x> {
  23   list<SystemZFeature> List = x;
  24 }
  25
  26 class SystemZFeatureAdd<list<SystemZFeature> x, list<SystemZFeature> y>
  27   : SystemZFeatureList<!listconcat(x, y)>;
  28
  29 //===----------------------------------------------------------------------===//
  30 //
  31 // New features added in the Ninth Edition of the z/Architecture
  32 //
  33 //===----------------------------------------------------------------------===//
  34
  35 def FeatureDistinctOps : SystemZFeature<
  36   "distinct-ops", "DistinctOps",
  37   "Assume that the distinct-operands facility is installed"
  38 >;
  39
  40 def FeatureFastSerialization : SystemZFeature<
  41   "fast-serialization", "FastSerialization",
  42   "Assume that the fast-serialization facility is installed"
  43 >;
  44
  45 def FeatureFPExtension : SystemZFeature<
  46   "fp-extension", "FPExtension",
  47   "Assume that the floating-point extension facility is installed"
  48 >;
  49
  50 def FeatureHighWord : SystemZFeature<
  51   "high-word", "HighWord",
  52   "Assume that the high-word facility is installed"
  53 >;
  54
  55 def FeatureInterlockedAccess1 : SystemZFeature<
  56   "interlocked-access1", "InterlockedAccess1",
  57   "Assume that interlocked-access facility 1 is installed"
  58 >;
  59 def FeatureNoInterlockedAccess1 : SystemZMissingFeature<"InterlockedAccess1">;
  60
  61 def FeatureLoadStoreOnCond : SystemZFeature<
  62   "load-store-on-cond", "LoadStoreOnCond",
  63   "Assume that the load/store-on-condition facility is installed"
  64 >;
  65
  66 def FeaturePopulationCount : SystemZFeature<
  67   "population-count", "PopulationCount",
  68   "Assume that the population-count facility is installed"
  69 >;
  70
  71 def Arch9NewFeatures : SystemZFeatureList<[
  72     FeatureDistinctOps,
  73     FeatureFastSerialization,
  74     FeatureFPExtension,
  75     FeatureHighWord,
  76     FeatureInterlockedAccess1,
  77     FeatureLoadStoreOnCond,
  78     FeaturePopulationCount
  79 ]>;
  80
  81 //===----------------------------------------------------------------------===//
  82 //
  83 // New features added in the Tenth Edition of the z/Architecture
  84 //
  85 //===----------------------------------------------------------------------===//
  86
  87 def FeatureExecutionHint : SystemZFeature<
  88   "execution-hint", "ExecutionHint",
  89   "Assume that the execution-hint facility is installed"
  90 >;
  91
  92 def FeatureLoadAndTrap : SystemZFeature<
  93   "load-and-trap", "LoadAndTrap",
  94   "Assume that the load-and-trap facility is installed"
  95 >;
  96
  97 def FeatureMiscellaneousExtensions : SystemZFeature<
  98   "miscellaneous-extensions", "MiscellaneousExtensions",
  99   "Assume that the miscellaneous-extensions facility is installed"
 100 >;
 101
 102 def FeatureProcessorAssist : SystemZFeature<
 103   "processor-assist", "ProcessorAssist",
 104   "Assume that the processor-assist facility is installed"
 105 >;
 106
 107 def FeatureTransactionalExecution : SystemZFeature<
 108   "transactional-execution", "TransactionalExecution",
 109   "Assume that the transactional-execution facility is installed"
 110 >;
 111
 112 def Arch10NewFeatures : SystemZFeatureList<[
 113     FeatureExecutionHint,
 114     FeatureLoadAndTrap,
 115     FeatureMiscellaneousExtensions,
 116     FeatureProcessorAssist,
 117     FeatureTransactionalExecution
 118 ]>;
 119
 120 //===----------------------------------------------------------------------===//
 121 //
 122 // New features added in the Eleventh Edition of the z/Architecture
 123 //
 124 //===----------------------------------------------------------------------===//
 125
 126 def FeatureLoadAndZeroRightmostByte : SystemZFeature<
 127   "load-and-zero-rightmost-byte", "LoadAndZeroRightmostByte",
 128   "Assume that the load-and-zero-rightmost-byte facility is installed"
 129 >;
 130
 131 def FeatureLoadStoreOnCond2 : SystemZFeature<
 132   "load-store-on-cond-2", "LoadStoreOnCond2",
 133   "Assume that the load/store-on-condition facility 2 is installed"
 134 >;
 135
 136 def FeatureVector : SystemZFeature<
 137   "vector", "Vector",
 138   "Assume that the vectory facility is installed"
 139 >;
 140 def FeatureNoVector : SystemZMissingFeature<"Vector">;
 141
 142 def Arch11NewFeatures : SystemZFeatureList<[
 143     FeatureLoadAndZeroRightmostByte,
 144     FeatureLoadStoreOnCond2,
 145     FeatureVector
 146 ]>;
 147
 148 //===----------------------------------------------------------------------===//
 149 //
 150 // Cumulative supported and unsupported feature sets
 151 //
 152 //===----------------------------------------------------------------------===//
 153
 154 def Arch8SupportedFeatures
 155   : SystemZFeatureList<[]>;
 156 def Arch9SupportedFeatures
 157   : SystemZFeatureAdd<Arch8SupportedFeatures.List,  Arch9NewFeatures.List>;
 158 def Arch10SupportedFeatures
 159   : SystemZFeatureAdd<Arch9SupportedFeatures.List,  Arch10NewFeatures.List>;
 160 def Arch11SupportedFeatures
 161   : SystemZFeatureAdd<Arch10SupportedFeatures.List, Arch11NewFeatures.List>;
 162
 163 def Arch11UnsupportedFeatures
 164   : SystemZFeatureList<[]>;
 165 def Arch10UnsupportedFeatures
 166   : SystemZFeatureAdd<Arch11UnsupportedFeatures.List, Arch11NewFeatures.List>;
 167 def Arch9UnsupportedFeatures
 168   : SystemZFeatureAdd<Arch10UnsupportedFeatures.List, Arch10NewFeatures.List>;
 169 def Arch8UnsupportedFeatures
 170   : SystemZFeatureAdd<Arch9UnsupportedFeatures.List,  Arch9NewFeatures.List>;
 171