| //===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Target-independent interfaces which we are implementing |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/Target/Target.td" |
| |
| //===----------------------------------------------------------------------===// |
| // SPARC Subtarget features. |
| // |
| |
| def FeatureV9 |
| : SubtargetFeature<"v9", "IsV9", "true", "Enable SPARC-V9 instructions">; |
| def FeatureV8Deprecated |
| : SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true", |
| "Enable deprecated V8 instructions in V9 mode">; |
| def FeatureVIS |
| : SubtargetFeature<"vis", "IsVIS", "true", |
| "Enable UltraSPARC Visual Instruction Set extensions">; |
| def FeatureVIS2 |
| : SubtargetFeature<"vis2", "IsVIS2", "true", |
| "Enable Visual Instruction Set extensions II">; |
| def FeatureVIS3 |
| : SubtargetFeature<"vis3", "IsVIS3", "true", |
| "Enable Visual Instruction Set extensions III">; |
| def FeatureLeon |
| : SubtargetFeature<"leon", "IsLeon", "true", "Enable LEON extensions">; |
| |
| def FeatureHardQuad |
| : SubtargetFeature<"hard-quad-float", "HasHardQuad", "true", |
| "Enable quad-word floating point instructions">; |
| |
| def UsePopc : SubtargetFeature<"popc", "UsePopc", "true", |
| "Use the popc (population count) instruction">; |
| |
| def FeatureSoftFloat |
| : SubtargetFeature<"soft-float", "UseSoftFloat", "true", |
| "Use software emulation for floating point">; |
| |
| //==== Features added predmoninantly for LEON subtarget support |
| include "LeonFeatures.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Register File, Calling Conv, Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| include "SparcRegisterInfo.td" |
| include "SparcCallingConv.td" |
| include "SparcSchedule.td" |
| include "SparcInstrInfo.td" |
| |
| def SparcInstrInfo : InstrInfo; |
| |
| def SparcAsmParser : AsmParser { bit ShouldEmitMatchRegisterName = 0; } |
| |
| //===----------------------------------------------------------------------===// |
| // SPARC processors supported. |
| //===----------------------------------------------------------------------===// |
| |
| class Proc<string Name, list<SubtargetFeature> Features> |
| : Processor<Name, NoItineraries, Features>; |
| |
| def : Proc<"generic", []>; |
| def : Proc<"v7", []>; |
| def : Proc<"v8", []>; |
| def : Proc<"supersparc", []>; |
| def : Proc<"sparclite", []>; |
| def : Proc<"f934", []>; |
| def : Proc<"hypersparc", []>; |
| def : Proc<"sparclite86x", []>; |
| def : Proc<"sparclet", []>; |
| def : Proc<"tsc701", []>; |
| def : Proc<"myriad2", []>; |
| def : Proc<"myriad2.1", []>; |
| def : Proc<"myriad2.2", []>; |
| def : Proc<"v9", [ FeatureV9 ]>; |
| def : Proc<"ultrasparc", [ FeatureV9, FeatureV8Deprecated, FeatureVIS ]>; |
| def : Proc<"ultrasparc3", |
| [ FeatureV9, FeatureV8Deprecated, FeatureVIS, FeatureVIS2 ]>; |
| def : Proc<"niagara", |
| [ FeatureV9, FeatureV8Deprecated, FeatureVIS, FeatureVIS2 ]>; |
| def : Proc<"niagara2", [ |
| FeatureV9, FeatureV8Deprecated, UsePopc, FeatureVIS, FeatureVIS2 |
| ]>; |
| def : Proc<"niagara3", [ |
| FeatureV9, FeatureV8Deprecated, UsePopc, FeatureVIS, FeatureVIS2 |
| ]>; |
| def : Proc<"niagara4", [ |
| FeatureV9, FeatureV8Deprecated, UsePopc, FeatureVIS, FeatureVIS2, FeatureVIS3 |
| ]>; |
| |
| // LEON 2 FT generic |
| def : Processor<"leon2", LEON2Itineraries, [ FeatureLeon ]>; |
| |
| // LEON 2 FT (AT697E) |
| // AT697E: Provides full coverage of AT697E - covers all the erratum fixes for |
| // LEON2 AT697E |
| def : Processor<"at697e", LEON2Itineraries, [ |
| FeatureLeon, ReplaceSDIV, FixCALL, IgnoreZeroFlag, InsertNOPDoublePrecision |
| ]>; |
| |
| // LEON 2 FT (AT697F) |
| // AT697F: Provides full coverage of AT697F - covers all the erratum fixes for |
| // LEON2 AT697F |
| def : Processor<"at697f", LEON2Itineraries, |
| [ FeatureLeon, InsertNOPDoublePrecision ]>; |
| |
| // LEON 3 FT generic |
| def : Processor<"leon3", LEON3Itineraries, [ FeatureLeon, UMACSMACSupport ]>; |
| |
| // LEON 3 FT (UT699). Provides features for the UT699 processor |
| // - covers all the erratum fixes for LEON3, but does not support the CASA |
| // instruction. |
| def : Processor<"ut699", LEON3Itineraries, [ |
| FeatureLeon, FixFSMULD, ReplaceFMULS, PreventRoundChange, |
| FixAllFDIVSQRT, InsertNOPLoad, FlushCacheLineSWAP, InsertNOPsLoadStore |
| ]>; |
| |
| // LEON3 FT (GR712RC). Provides features for the GR712RC processor. |
| // - covers all the erratum fixed for LEON3 and support for the CASA |
| // instruction. |
| def : Processor<"gr712rc", LEON3Itineraries, |
| [ FeatureLeon, LeonCASA ]>; |
| |
| // LEON 4 FT generic |
| def : Processor<"leon4", LEON4Itineraries, |
| [ FeatureLeon, LeonCASA ]>; |
| |
| // GR740: Provides full coverage of GR740 - covers all the erratum fixes for |
| // LEON3 + support to CASA + LEON 4 instruction timings |
| def : Processor<"gr740", LEON4Itineraries, |
| [ FeatureLeon, LeonCASA ]> {} |
| |
| //===----------------------------------------------------------------------===// |
| // Declare the target which we are implementing |
| //===----------------------------------------------------------------------===// |
| |
| def SparcAsmWriter : AsmWriter { |
| string AsmWriterClassName = "InstPrinter"; |
| int PassSubtarget = 1; |
| int Variant = 0; |
| } |
| |
| def Sparc : Target { |
| // Pull in Instruction Info: |
| let InstructionSet = SparcInstrInfo; |
| let AssemblyParsers = [ SparcAsmParser ]; |
| let AssemblyWriters = [ SparcAsmWriter ]; |
| } |
