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//===-- SystemZ.td - SystemZ processors and features ---------*- tblgen -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Processor and feature definitions.
//
//===----------------------------------------------------------------------===//

class SystemZFeature<string extname, string intname, string desc>
  : Predicate<"Subtarget->has"##intname##"()">,
    AssemblerPredicate<"Feature"##intname, extname>,
    SubtargetFeature<extname, "Has"##intname, "true", desc>;

class SystemZMissingFeature<string intname>
  : Predicate<"!Subtarget->has"##intname##"()">;

def FeatureDistinctOps : SystemZFeature<
  "distinct-ops", "DistinctOps",
  "Assume that the distinct-operands facility is installed"
>;

def FeatureLoadStoreOnCond : SystemZFeature<
  "load-store-on-cond", "LoadStoreOnCond",
  "Assume that the load/store-on-condition facility is installed"
>;

def FeatureHighWord : SystemZFeature<
  "high-word", "HighWord",
  "Assume that the high-word facility is installed"
>;

def FeatureFPExtension : SystemZFeature<
  "fp-extension", "FPExtension",
  "Assume that the floating-point extension facility is installed"
>;

def FeatureFastSerialization : SystemZFeature<
  "fast-serialization", "FastSerialization",
  "Assume that the fast-serialization facility is installed"
>;

def FeatureInterlockedAccess1 : SystemZFeature<
  "interlocked-access1", "InterlockedAccess1",
  "Assume that interlocked-access facility 1 is installed"
>;
def FeatureNoInterlockedAccess1 : SystemZMissingFeature<"InterlockedAccess1">;

def : Processor<"generic", NoItineraries, []>;
def : Processor<"z10", NoItineraries, []>;
def : Processor<"z196", NoItineraries,
                [FeatureDistinctOps, FeatureLoadStoreOnCond, FeatureHighWord,
                 FeatureFPExtension, FeatureFastSerialization,
                 FeatureInterlockedAccess1]>;
def : Processor<"zEC12", NoItineraries,
                [FeatureDistinctOps, FeatureLoadStoreOnCond, FeatureHighWord,
                 FeatureFPExtension, FeatureFastSerialization,
                 FeatureInterlockedAccess1]>;