1 //===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===// 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 // 11 //===----------------------------------------------------------------------===// 12 13 //===----------------------------------------------------------------------===// 14 // Target-independent interfaces which we are implementing 15 //===----------------------------------------------------------------------===// 16 17 include "llvm/Target/Target.td" 18 19 //===----------------------------------------------------------------------===// 20 // SPARC Subtarget features. 21 // 22 23 def FeatureSoftMulDiv 24 : SubtargetFeature<"soft-mul-div", "UseSoftMulDiv", "true", 25 "Use software emulation for integer multiply and divide">; 26 27 def FeatureNoFSMULD 28 : SubtargetFeature<"no-fsmuld", "HasNoFSMULD", "true", 29 "Disable the fsmuld instruction.">; 30 def FeatureNoFMULS 31 : SubtargetFeature<"no-fmuls", "HasNoFMULS", "true", 32 "Disable the fmuls instruction.">; 33 34 def FeatureV9 35 : SubtargetFeature<"v9", "IsV9", "true", 36 "Enable SPARC-V9 instructions">; 37 def FeatureV8Deprecated 38 : SubtargetFeature<"deprecated-v8", "V8DeprecatedInsts", "true", 39 "Enable deprecated V8 instructions in V9 mode">; 40 def FeatureVIS 41 : SubtargetFeature<"vis", "IsVIS", "true", 42 "Enable UltraSPARC Visual Instruction Set extensions">; 43 def FeatureVIS2 44 : SubtargetFeature<"vis2", "IsVIS2", "true", 45 "Enable Visual Instruction Set extensions II">; 46 def FeatureVIS3 47 : SubtargetFeature<"vis3", "IsVIS3", "true", 48 "Enable Visual Instruction Set extensions III">; 49 def FeatureLeon 50 : SubtargetFeature<"leon", "IsLeon", "true", 51 "Enable LEON extensions">; 52 53 def FeatureHardQuad 54 : SubtargetFeature<"hard-quad-float", "HasHardQuad", "true", 55 "Enable quad-word floating point instructions">; 56 57 def UsePopc : SubtargetFeature<"popc", "UsePopc", "true", 58 "Use the popc (population count) instruction">; 59 60 def FeatureSoftFloat : SubtargetFeature<"soft-float", "UseSoftFloat", "true", 61 "Use software emulation for floating point">; 62 63 //==== Features added predmoninantly for LEON subtarget support 64 include "LeonFeatures.td" 65 66 //===----------------------------------------------------------------------===// 67 // Register File, Calling Conv, Instruction Descriptions 68 //===----------------------------------------------------------------------===// 69 70 include "SparcRegisterInfo.td" 71 include "SparcCallingConv.td" 72 include "SparcSchedule.td" 73 include "SparcInstrInfo.td" 74 75 def SparcInstrInfo : InstrInfo; 76 77 def SparcAsmParser : AsmParser { 78 bit ShouldEmitMatchRegisterName = 0; 79 } 80 81 //===----------------------------------------------------------------------===// 82 // SPARC processors supported. 83 //===----------------------------------------------------------------------===// 84 85 class Proc<string Name, list<SubtargetFeature> Features> 86 : Processor<Name, NoItineraries, Features>; 87 88 def : Proc<"generic", []>; 89 def : Proc<"v7", [FeatureSoftMulDiv, FeatureNoFSMULD]>; 90 def : Proc<"v8", []>; 91 def : Proc<"supersparc", []>; 92 def : Proc<"sparclite", []>; 93 def : Proc<"f934", []>; 94 def : Proc<"hypersparc", []>; 95 def : Proc<"sparclite86x", []>; 96 def : Proc<"sparclet", []>; 97 def : Proc<"tsc701", []>; 98 def : Proc<"myriad2", [FeatureLeon, LeonCASA]>; 99 def : Proc<"myriad2.1", [FeatureLeon, LeonCASA]>; 100 def : Proc<"myriad2.2", [FeatureLeon, LeonCASA]>; 101 def : Proc<"myriad2.3", [FeatureLeon, LeonCASA]>; 102 def : Proc<"ma2100", [FeatureLeon, LeonCASA]>; 103 def : Proc<"ma2150", [FeatureLeon, LeonCASA]>; 104 def : Proc<"ma2155", [FeatureLeon, LeonCASA]>; 105 def : Proc<"ma2450", [FeatureLeon, LeonCASA]>; 106 def : Proc<"ma2455", [FeatureLeon, LeonCASA]>; 107 def : Proc<"ma2x5x", [FeatureLeon, LeonCASA]>; 108 def : Proc<"ma2080", [FeatureLeon, LeonCASA]>; 109 def : Proc<"ma2085", [FeatureLeon, LeonCASA]>; 110 def : Proc<"ma2480", [FeatureLeon, LeonCASA]>; 111 def : Proc<"ma2485", [FeatureLeon, LeonCASA]>; 112 def : Proc<"ma2x8x", [FeatureLeon, LeonCASA]>; 113 def : Proc<"v9", [FeatureV9]>; 114 def : Proc<"ultrasparc", [FeatureV9, FeatureV8Deprecated, FeatureVIS]>; 115 def : Proc<"ultrasparc3", [FeatureV9, FeatureV8Deprecated, FeatureVIS, 116 FeatureVIS2]>; 117 def : Proc<"niagara", [FeatureV9, FeatureV8Deprecated, FeatureVIS, 118 FeatureVIS2]>; 119 def : Proc<"niagara2", [FeatureV9, FeatureV8Deprecated, UsePopc, 120 FeatureVIS, FeatureVIS2]>; 121 def : Proc<"niagara3", [FeatureV9, FeatureV8Deprecated, UsePopc, 122 FeatureVIS, FeatureVIS2]>; 123 def : Proc<"niagara4", [FeatureV9, FeatureV8Deprecated, UsePopc, 124 FeatureVIS, FeatureVIS2, FeatureVIS3]>; 125 126 // LEON 2 FT generic 127 def : Processor<"leon2", LEON2Itineraries, 128 [FeatureLeon]>; 129 130 // LEON 2 FT (AT697E) 131 // TO DO: Place-holder: Processor specific features will be added *very* soon here. 132 def : Processor<"at697e", LEON2Itineraries, 133 [FeatureLeon, InsertNOPLoad]>; 134 135 // LEON 2 FT (AT697F) 136 // TO DO: Place-holder: Processor specific features will be added *very* soon here. 137 def : Processor<"at697f", LEON2Itineraries, 138 [FeatureLeon, InsertNOPLoad]>; 139 140 141 // LEON 3 FT generic 142 def : Processor<"leon3", LEON3Itineraries, 143 [FeatureLeon, UMACSMACSupport]>; 144 145 // LEON 3 FT (UT699). Provides features for the UT699 processor 146 // - covers all the erratum fixes for LEON3, but does not support the CASA instruction. 147 def : Processor<"ut699", LEON3Itineraries, 148 [FeatureLeon, InsertNOPLoad, FeatureNoFSMULD, FeatureNoFMULS, FixAllFDIVSQRT]>; 149 150 // LEON3 FT (GR712RC). Provides features for the GR712RC processor. 151 // - covers all the erratum fixed for LEON3 and support for the CASA instruction. 152 def : Processor<"gr712rc", LEON3Itineraries, 153 [FeatureLeon, LeonCASA]>; 154 155 // LEON 4 FT generic 156 def : Processor<"leon4", LEON4Itineraries, 157 [FeatureLeon, UMACSMACSupport, LeonCASA]>; 158 159 // LEON 4 FT (GR740) 160 // TO DO: Place-holder: Processor specific features will be added *very* soon here. 161 def : Processor<"gr740", LEON4Itineraries, 162 [FeatureLeon, UMACSMACSupport, LeonCASA]>; 163 164 //===----------------------------------------------------------------------===// 165 // Declare the target which we are implementing 166 //===----------------------------------------------------------------------===// 167 168 def SparcAsmWriter : AsmWriter { 169 string AsmWriterClassName = "InstPrinter"; 170 int PassSubtarget = 1; 171 int Variant = 0; 172 } 173 174 def Sparc : Target { 175 // Pull in Instruction Info: 176 let InstructionSet = SparcInstrInfo; 177 let AssemblyParsers = [SparcAsmParser]; 178 let AssemblyWriters = [SparcAsmWriter]; 179 let AllowRegisterRenaming = 1; 180 } 181
