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29a6072d06
Summary: Partial write %PSR (WRPSR) is a SPARC V8e option that allows WRPSR instructions to only affect the %PSR.ET field. It is supported by the GR740 and GR716. Reviewers: jyknight, venkatra Subscribers: fedor.sergeev, jrtc27, llvm-commits Differential Revision: https://reviews.llvm.org/D48644 llvm-svn: 343202
185 lines
7.3 KiB
TableGen
185 lines
7.3 KiB
TableGen
//===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Target-independent interfaces which we are implementing
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//===----------------------------------------------------------------------===//
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include "llvm/Target/Target.td"
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//===----------------------------------------------------------------------===//
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// SPARC Subtarget features.
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//
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def FeatureSoftMulDiv
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: SubtargetFeature<"soft-mul-div", "UseSoftMulDiv", "true",
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"Use software emulation for integer multiply and divide">;
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def FeatureNoFSMULD
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: SubtargetFeature<"no-fsmuld", "HasNoFSMULD", "true",
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"Disable the fsmuld instruction.">;
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def FeatureNoFMULS
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: SubtargetFeature<"no-fmuls", "HasNoFMULS", "true",
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"Disable the fmuls instruction.">;
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def FeatureV9
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: SubtargetFeature<"v9", "IsV9", "true",
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"Enable SPARC-V9 instructions">;
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def FeatureV8Deprecated
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: SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true",
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"Enable deprecated V8 instructions in V9 mode">;
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def FeatureVIS
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: SubtargetFeature<"vis", "IsVIS", "true",
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"Enable UltraSPARC Visual Instruction Set extensions">;
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def FeatureVIS2
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: SubtargetFeature<"vis2", "IsVIS2", "true",
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"Enable Visual Instruction Set extensions II">;
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def FeatureVIS3
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: SubtargetFeature<"vis3", "IsVIS3", "true",
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"Enable Visual Instruction Set extensions III">;
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def FeatureLeon
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: SubtargetFeature<"leon", "IsLeon", "true",
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"Enable LEON extensions">;
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def FeaturePWRPSR
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: SubtargetFeature<"leonpwrpsr", "HasPWRPSR", "true",
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"Enable the PWRPSR instruction">;
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def FeatureHardQuad
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: SubtargetFeature<"hard-quad-float", "HasHardQuad", "true",
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"Enable quad-word floating point instructions">;
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def UsePopc : SubtargetFeature<"popc", "UsePopc", "true",
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"Use the popc (population count) instruction">;
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def FeatureSoftFloat : SubtargetFeature<"soft-float", "UseSoftFloat", "true",
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"Use software emulation for floating point">;
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//==== Features added predmoninantly for LEON subtarget support
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include "LeonFeatures.td"
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//===----------------------------------------------------------------------===//
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// Register File, Calling Conv, Instruction Descriptions
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//===----------------------------------------------------------------------===//
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include "SparcRegisterInfo.td"
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include "SparcCallingConv.td"
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include "SparcSchedule.td"
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include "SparcInstrInfo.td"
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def SparcInstrInfo : InstrInfo;
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def SparcAsmParser : AsmParser {
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bit ShouldEmitMatchRegisterName = 0;
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}
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//===----------------------------------------------------------------------===//
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// SPARC processors supported.
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//===----------------------------------------------------------------------===//
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class Proc<string Name, list<SubtargetFeature> Features>
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: Processor<Name, NoItineraries, Features>;
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def : Proc<"generic", []>;
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def : Proc<"v7", [FeatureSoftMulDiv, FeatureNoFSMULD]>;
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def : Proc<"v8", []>;
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def : Proc<"supersparc", []>;
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def : Proc<"sparclite", []>;
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def : Proc<"f934", []>;
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def : Proc<"hypersparc", []>;
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def : Proc<"sparclite86x", []>;
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def : Proc<"sparclet", []>;
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def : Proc<"tsc701", []>;
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def : Proc<"myriad2", [FeatureLeon, LeonCASA]>;
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def : Proc<"myriad2.1", [FeatureLeon, LeonCASA]>;
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def : Proc<"myriad2.2", [FeatureLeon, LeonCASA]>;
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def : Proc<"myriad2.3", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2100", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2150", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2155", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2450", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2455", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2x5x", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2080", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2085", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2480", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2485", [FeatureLeon, LeonCASA]>;
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def : Proc<"ma2x8x", [FeatureLeon, LeonCASA]>;
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def : Proc<"v9", [FeatureV9]>;
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def : Proc<"ultrasparc", [FeatureV9, FeatureV8Deprecated, FeatureVIS]>;
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def : Proc<"ultrasparc3", [FeatureV9, FeatureV8Deprecated, FeatureVIS,
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FeatureVIS2]>;
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def : Proc<"niagara", [FeatureV9, FeatureV8Deprecated, FeatureVIS,
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FeatureVIS2]>;
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def : Proc<"niagara2", [FeatureV9, FeatureV8Deprecated, UsePopc,
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FeatureVIS, FeatureVIS2]>;
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def : Proc<"niagara3", [FeatureV9, FeatureV8Deprecated, UsePopc,
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FeatureVIS, FeatureVIS2]>;
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def : Proc<"niagara4", [FeatureV9, FeatureV8Deprecated, UsePopc,
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FeatureVIS, FeatureVIS2, FeatureVIS3]>;
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// LEON 2 FT generic
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def : Processor<"leon2", LEON2Itineraries,
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[FeatureLeon]>;
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// LEON 2 FT (AT697E)
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// TO DO: Place-holder: Processor specific features will be added *very* soon here.
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def : Processor<"at697e", LEON2Itineraries,
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[FeatureLeon, InsertNOPLoad]>;
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// LEON 2 FT (AT697F)
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// TO DO: Place-holder: Processor specific features will be added *very* soon here.
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def : Processor<"at697f", LEON2Itineraries,
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[FeatureLeon, InsertNOPLoad]>;
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// LEON 3 FT generic
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def : Processor<"leon3", LEON3Itineraries,
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[FeatureLeon, UMACSMACSupport]>;
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// LEON 3 FT (UT699). Provides features for the UT699 processor
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// - covers all the erratum fixes for LEON3, but does not support the CASA instruction.
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def : Processor<"ut699", LEON3Itineraries,
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[FeatureLeon, InsertNOPLoad, FeatureNoFSMULD, FeatureNoFMULS, FixAllFDIVSQRT]>;
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// LEON3 FT (GR712RC). Provides features for the GR712RC processor.
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// - covers all the erratum fixed for LEON3 and support for the CASA instruction.
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def : Processor<"gr712rc", LEON3Itineraries,
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[FeatureLeon, LeonCASA]>;
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// LEON 4 FT generic
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def : Processor<"leon4", LEON4Itineraries,
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[FeatureLeon, UMACSMACSupport, LeonCASA]>;
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// LEON 4 FT (GR740)
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// TO DO: Place-holder: Processor specific features will be added *very* soon here.
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def : Processor<"gr740", LEON4Itineraries,
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[FeatureLeon, UMACSMACSupport, LeonCASA, LeonCycleCounter,
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FeaturePWRPSR]>;
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//===----------------------------------------------------------------------===//
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// Declare the target which we are implementing
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//===----------------------------------------------------------------------===//
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def SparcAsmWriter : AsmWriter {
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string AsmWriterClassName = "InstPrinter";
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int PassSubtarget = 1;
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int Variant = 0;
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}
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def Sparc : Target {
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// Pull in Instruction Info:
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let InstructionSet = SparcInstrInfo;
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let AssemblyParsers = [SparcAsmParser];
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let AssemblyWriters = [SparcAsmWriter];
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let AllowRegisterRenaming = 1;
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}
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