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 FeatureMessageSecurityAssist4 : SystemZFeature<
  72   "message-security-assist-extension4", "MessageSecurityAssist4",
  73   "Assume that the message-security-assist extension facility 4 is installed"
  74 >;
  75
  76 def Arch9NewFeatures : SystemZFeatureList<[
  77     FeatureDistinctOps,
  78     FeatureFastSerialization,
  79     FeatureFPExtension,
  80     FeatureHighWord,
  81     FeatureInterlockedAccess1,
  82     FeatureLoadStoreOnCond,
  83     FeaturePopulationCount,
  84     FeatureMessageSecurityAssist4
  85 ]>;
  86
  87 //===----------------------------------------------------------------------===//
  88 //
  89 // New features added in the Tenth Edition of the z/Architecture
  90 //
  91 //===----------------------------------------------------------------------===//
  92
  93 def FeatureExecutionHint : SystemZFeature<
  94   "execution-hint", "ExecutionHint",
  95   "Assume that the execution-hint facility is installed"
  96 >;
  97
  98 def FeatureLoadAndTrap : SystemZFeature<
  99   "load-and-trap", "LoadAndTrap",
 100   "Assume that the load-and-trap facility is installed"
 101 >;
 102
 103 def FeatureMiscellaneousExtensions : SystemZFeature<
 104   "miscellaneous-extensions", "MiscellaneousExtensions",
 105   "Assume that the miscellaneous-extensions facility is installed"
 106 >;
 107
 108 def FeatureProcessorAssist : SystemZFeature<
 109   "processor-assist", "ProcessorAssist",
 110   "Assume that the processor-assist facility is installed"
 111 >;
 112
 113 def FeatureTransactionalExecution : SystemZFeature<
 114   "transactional-execution", "TransactionalExecution",
 115   "Assume that the transactional-execution facility is installed"
 116 >;
 117
 118 def Arch10NewFeatures : SystemZFeatureList<[
 119     FeatureExecutionHint,
 120     FeatureLoadAndTrap,
 121     FeatureMiscellaneousExtensions,
 122     FeatureProcessorAssist,
 123     FeatureTransactionalExecution
 124 ]>;
 125
 126 //===----------------------------------------------------------------------===//
 127 //
 128 // New features added in the Eleventh Edition of the z/Architecture
 129 //
 130 //===----------------------------------------------------------------------===//
 131
 132 def FeatureLoadAndZeroRightmostByte : SystemZFeature<
 133   "load-and-zero-rightmost-byte", "LoadAndZeroRightmostByte",
 134   "Assume that the load-and-zero-rightmost-byte facility is installed"
 135 >;
 136
 137 def FeatureLoadStoreOnCond2 : SystemZFeature<
 138   "load-store-on-cond-2", "LoadStoreOnCond2",
 139   "Assume that the load/store-on-condition facility 2 is installed"
 140 >;
 141
 142 def FeatureMessageSecurityAssist5 : SystemZFeature<
 143   "message-security-assist-extension5", "MessageSecurityAssist5",
 144   "Assume that the message-security-assist extension facility 5 is installed"
 145 >;
 146
 147 def FeatureVector : SystemZFeature<
 148   "vector", "Vector",
 149   "Assume that the vectory facility is installed"
 150 >;
 151 def FeatureNoVector : SystemZMissingFeature<"Vector">;
 152
 153 def Arch11NewFeatures : SystemZFeatureList<[
 154     FeatureLoadAndZeroRightmostByte,
 155     FeatureLoadStoreOnCond2,
 156     FeatureMessageSecurityAssist5,
 157     FeatureVector
 158 ]>;
 159
 160 //===----------------------------------------------------------------------===//
 161 //
 162 // Cumulative supported and unsupported feature sets
 163 //
 164 //===----------------------------------------------------------------------===//
 165
 166 def Arch8SupportedFeatures
 167   : SystemZFeatureList<[]>;
 168 def Arch9SupportedFeatures
 169   : SystemZFeatureAdd<Arch8SupportedFeatures.List,  Arch9NewFeatures.List>;
 170 def Arch10SupportedFeatures
 171   : SystemZFeatureAdd<Arch9SupportedFeatures.List,  Arch10NewFeatures.List>;
 172 def Arch11SupportedFeatures
 173   : SystemZFeatureAdd<Arch10SupportedFeatures.List, Arch11NewFeatures.List>;
 174
 175 def Arch11UnsupportedFeatures
 176   : SystemZFeatureList<[]>;
 177 def Arch10UnsupportedFeatures
 178   : SystemZFeatureAdd<Arch11UnsupportedFeatures.List, Arch11NewFeatures.List>;
 179 def Arch9UnsupportedFeatures
 180   : SystemZFeatureAdd<Arch10UnsupportedFeatures.List, Arch10NewFeatures.List>;
 181 def Arch8UnsupportedFeatures
 182   : SystemZFeatureAdd<Arch9UnsupportedFeatures.List,  Arch9NewFeatures.List>;
 183