AMDGPU: Mark test as XFAIL in expensive_checks builds
[llvm-project.git] / llvm / lib / Target / Sparc / Sparc.td
blob8b1122741b661630f667454c04eca6e8fc8e31bc
1 //===-- Sparc.td - Describe the Sparc Target Machine -------*- tablegen -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 //
10 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
13 // Target-independent interfaces which we are implementing
14 //===----------------------------------------------------------------------===//
16 include "llvm/Target/Target.td"
17 include "llvm/TableGen/SearchableTable.td"
19 //===----------------------------------------------------------------------===//
20 // SPARC Subtarget features.
23 def FeatureSoftMulDiv
24   : SubtargetFeature<"soft-mul-div", "UseSoftMulDiv", "true",
25                      "Use software emulation for integer multiply and divide">;
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.">;
34 def FeatureV9
35   : SubtargetFeature<"v9", "IsV9", "true",
36                      "Enable SPARC-V9 instructions">;
37 def FeatureV8Plus
38   : SubtargetFeature<"v8plus", "IsV8Plus", "true",
39                      "Enable V8+ mode, allowing use of 64-bit V9 instructions in 32-bit code">;
40 def FeatureV8Deprecated
41   : SubtargetFeature<"deprecated-v8", "UseV8DeprecatedInsts", "true",
42                      "Enable deprecated V8 instructions in V9 mode">;
43 def FeatureVIS
44   : SubtargetFeature<"vis", "IsVIS", "true",
45                      "Enable UltraSPARC Visual Instruction Set extensions">;
46 def FeatureVIS2
47   : SubtargetFeature<"vis2", "IsVIS2", "true",
48                      "Enable Visual Instruction Set extensions II">;
49 def FeatureVIS3
50   : SubtargetFeature<"vis3", "IsVIS3", "true",
51                      "Enable Visual Instruction Set extensions III">;
52 def FeatureLeon
53   : SubtargetFeature<"leon", "IsLeon", "true",
54                      "Enable LEON extensions">;
55 def FeaturePWRPSR
56   : SubtargetFeature<"leonpwrpsr", "HasPWRPSR", "true",
57                      "Enable the PWRPSR instruction">;
59 def FeatureHardQuad
60   : SubtargetFeature<"hard-quad-float", "HasHardQuad", "true",
61                      "Enable quad-word floating point instructions">;
63 def UsePopc : SubtargetFeature<"popc", "UsePopc", "true",
64                                "Use the popc (population count) instruction">;
66 def FeatureSoftFloat : SubtargetFeature<"soft-float", "UseSoftFloat", "true",
67                               "Use software emulation for floating point">;
69 //===----------------------------------------------------------------------===//
70 // SPARC Subtarget tuning features.
73 def TuneSlowRDPC : SubtargetFeature<"slow-rdpc", "HasSlowRDPC", "true",
74                                     "rd %pc, %XX is slow", [FeatureV9]>;
76 //==== Features added predmoninantly for LEON subtarget support
77 include "LeonFeatures.td"
79 //==== Register allocation tweaks needed by some low-level software
80 foreach i = 1 ... 7  in
81     def FeatureReserveG#i : SubtargetFeature<"reserve-g"#i, "ReserveRegister["#i#" + SP::G0]", "true",
82                                              "Reserve G"#i#", making it unavailable as a GPR">;
83 foreach i = 0 ... 5 in
84     def FeatureReserveO#i : SubtargetFeature<"reserve-o"#i, "ReserveRegister["#i#" + SP::O0]", "true",
85                                              "Reserve O"#i#", making it unavailable as a GPR">;
86 foreach i = 0 ... 7 in
87     def FeatureReserveL#i : SubtargetFeature<"reserve-l"#i, "ReserveRegister["#i#" + SP::L0]", "true",
88                                              "Reserve L"#i#", making it unavailable as a GPR">;
89 foreach i = 0 ... 5 in
90     def FeatureReserveI#i : SubtargetFeature<"reserve-i"#i, "ReserveRegister["#i#" + SP::I0]", "true",
91                                              "Reserve I"#i#", making it unavailable as a GPR">;
93 //===----------------------------------------------------------------------===//
94 // Register File, Calling Conv, Instruction Descriptions
95 //===----------------------------------------------------------------------===//
97 include "SparcASITags.td"
98 include "SparcPrefetchTags.td"
99 include "SparcRegisterInfo.td"
100 include "SparcCallingConv.td"
101 include "SparcSchedule.td"
102 include "SparcInstrInfo.td"
104 def SparcInstrInfo : InstrInfo;
106 def SparcAsmParser : AsmParser {
107   let ShouldEmitMatchRegisterAltName = true;
108   let AllowDuplicateRegisterNames = true;
111 def SparcAsmParserVariant : AsmParserVariant {
112   let RegisterPrefix = "%";
115 //===----------------------------------------------------------------------===//
116 // SPARC processors supported.
117 //===----------------------------------------------------------------------===//
119 class Proc<string Name, list<SubtargetFeature> Features,
120            list<SubtargetFeature> TuneFeatures = []>
121  : Processor<Name, NoItineraries, Features, TuneFeatures>;
123 def : Proc<"generic",         []>;
124 def : Proc<"v7",              [FeatureSoftMulDiv, FeatureNoFSMULD]>;
125 def : Proc<"v8",              []>;
126 def : Proc<"supersparc",      []>;
127 def : Proc<"sparclite",       []>;
128 def : Proc<"f934",            []>;
129 def : Proc<"hypersparc",      []>;
130 def : Proc<"sparclite86x",    []>;
131 def : Proc<"sparclet",        []>;
132 def : Proc<"tsc701",          []>;
133 def : Proc<"myriad2",         [FeatureLeon, LeonCASA]>;
134 def : Proc<"myriad2.1",       [FeatureLeon, LeonCASA]>;
135 def : Proc<"myriad2.2",       [FeatureLeon, LeonCASA]>;
136 def : Proc<"myriad2.3",       [FeatureLeon, LeonCASA]>;
137 def : Proc<"ma2100",          [FeatureLeon, LeonCASA]>;
138 def : Proc<"ma2150",          [FeatureLeon, LeonCASA]>;
139 def : Proc<"ma2155",          [FeatureLeon, LeonCASA]>;
140 def : Proc<"ma2450",          [FeatureLeon, LeonCASA]>;
141 def : Proc<"ma2455",          [FeatureLeon, LeonCASA]>;
142 def : Proc<"ma2x5x",          [FeatureLeon, LeonCASA]>;
143 def : Proc<"ma2080",          [FeatureLeon, LeonCASA]>;
144 def : Proc<"ma2085",          [FeatureLeon, LeonCASA]>;
145 def : Proc<"ma2480",          [FeatureLeon, LeonCASA]>;
146 def : Proc<"ma2485",          [FeatureLeon, LeonCASA]>;
147 def : Proc<"ma2x8x",          [FeatureLeon, LeonCASA]>;
148 def : Proc<"v9",              [FeatureV9]>;
149 def : Proc<"ultrasparc",      [FeatureV9, FeatureV8Deprecated, FeatureVIS],
150                               [TuneSlowRDPC]>;
151 def : Proc<"ultrasparc3",     [FeatureV9, FeatureV8Deprecated, FeatureVIS,
152                                FeatureVIS2],
153                               [TuneSlowRDPC]>;
154 def : Proc<"niagara",         [FeatureV9, FeatureV8Deprecated, FeatureVIS,
155                                FeatureVIS2]>;
156 def : Proc<"niagara2",        [FeatureV9, FeatureV8Deprecated, UsePopc,
157                                FeatureVIS, FeatureVIS2]>;
158 def : Proc<"niagara3",        [FeatureV9, FeatureV8Deprecated, UsePopc,
159                                FeatureVIS, FeatureVIS2]>;
160 def : Proc<"niagara4",        [FeatureV9, FeatureV8Deprecated, UsePopc,
161                                FeatureVIS, FeatureVIS2, FeatureVIS3]>;
163 // LEON 2 FT generic
164 def : Processor<"leon2", LEON2Itineraries,
165                 [FeatureLeon]>;
167 // LEON 2 FT (AT697E)
168 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
169 def : Processor<"at697e", LEON2Itineraries,
170                 [FeatureLeon, InsertNOPLoad]>;
172 // LEON 2 FT (AT697F)
173 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
174 def : Processor<"at697f", LEON2Itineraries,
175                 [FeatureLeon, InsertNOPLoad]>;
178 // LEON 3 FT generic
179 def : Processor<"leon3", LEON3Itineraries,
180                 [FeatureLeon, UMACSMACSupport]>;
182 // LEON 3 FT (UT699). Provides features for the UT699 processor
183 // - covers all the erratum fixes for LEON3, but does not support the CASA instruction.
184 def : Processor<"ut699", LEON3Itineraries,
185                 [FeatureLeon, InsertNOPLoad, FeatureNoFSMULD, FeatureNoFMULS, FixAllFDIVSQRT]>;
187 // LEON3 FT (GR712RC). Provides features for the GR712RC processor.
188 // - covers all the erratum fixed for LEON3 and support for the CASA instruction.
189 def : Processor<"gr712rc", LEON3Itineraries,
190                 [FeatureLeon, LeonCASA]>;
192 // LEON 4 FT generic
193 def : Processor<"leon4", LEON4Itineraries,
194                 [FeatureLeon, UMACSMACSupport, LeonCASA]>;
196 // LEON 4 FT (GR740)
197 // TO DO: Place-holder: Processor specific features will be added *very* soon here.
198 def : Processor<"gr740", LEON4Itineraries,
199                 [FeatureLeon, UMACSMACSupport, LeonCASA, LeonCycleCounter,
200                  FeaturePWRPSR]>;
202 //===----------------------------------------------------------------------===//
203 // Declare the target which we are implementing
204 //===----------------------------------------------------------------------===//
206 def SparcAsmWriter : AsmWriter {
207   string AsmWriterClassName  = "InstPrinter";
208   int PassSubtarget = 1;
209   int Variant = 0;
212 def Sparc : Target {
213   // Pull in Instruction Info:
214   let InstructionSet = SparcInstrInfo;
215   let AssemblyParsers  = [SparcAsmParser];
216   let AssemblyParserVariants = [SparcAsmParserVariant];
217   let AssemblyWriters = [SparcAsmWriter];
218   let AllowRegisterRenaming = 1;