| //===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Target-independent interfaces which we are implementing |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/Target/Target.td" |
| |
| //===----------------------------------------------------------------------===// |
| // SPARC Subtarget features. |
| // |
| |
| def FeatureSoftMulDiv |
| : SubtargetFeature<"soft-mul-div", "UseSoftMulDiv", "true", |
| "Use software emulation for integer multiply and divide">; |
| |
| def FeatureNoFSMULD |
| : SubtargetFeature<"no-fsmuld", "HasNoFSMULD", "true", |
| "Disable the fsmuld instruction.">; |
| def FeatureNoFMULS |
| : SubtargetFeature<"no-fmuls", "HasNoFMULS", "true", |
| "Disable the fmuls instruction.">; |
| |
| 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 FeaturePWRPSR |
| : SubtargetFeature<"leonpwrpsr", "HasPWRPSR", "true", |
| "Enable the PWRPSR instruction">; |
| |
| 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", [FeatureSoftMulDiv, FeatureNoFSMULD]>; |
| 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", [FeatureLeon, LeonCASA]>; |
| def : Proc<"myriad2.1", [FeatureLeon, LeonCASA]>; |
| def : Proc<"myriad2.2", [FeatureLeon, LeonCASA]>; |
| def : Proc<"myriad2.3", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2100", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2150", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2155", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2450", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2455", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2x5x", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2080", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2085", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2480", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2485", [FeatureLeon, LeonCASA]>; |
| def : Proc<"ma2x8x", [FeatureLeon, LeonCASA]>; |
| 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) |
| // TO DO: Place-holder: Processor specific features will be added *very* soon here. |
| def : Processor<"at697e", LEON2Itineraries, |
| [FeatureLeon, InsertNOPLoad]>; |
| |
| // LEON 2 FT (AT697F) |
| // TO DO: Place-holder: Processor specific features will be added *very* soon here. |
| def : Processor<"at697f", LEON2Itineraries, |
| [FeatureLeon, InsertNOPLoad]>; |
| |
| |
| // 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, InsertNOPLoad, FeatureNoFSMULD, FeatureNoFMULS, FixAllFDIVSQRT]>; |
| |
| // 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, UMACSMACSupport, LeonCASA]>; |
| |
| // LEON 4 FT (GR740) |
| // TO DO: Place-holder: Processor specific features will be added *very* soon here. |
| def : Processor<"gr740", LEON4Itineraries, |
| [FeatureLeon, UMACSMACSupport, LeonCASA, LeonCycleCounter, |
| FeaturePWRPSR]>; |
| |
| //===----------------------------------------------------------------------===// |
| // 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]; |
| let AllowRegisterRenaming = 1; |
| } |
